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1000 results found for “kruppel-like factor”

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  • View Data Sheet

    Description:

    Pegylated Rat Leptin Recombinant

    OB Protein, Obesity Protein, OBS, Obesity factor.

    Product # :

    CYT-592

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    Description

    Mono-Pegylated Leptin Rat Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and an additional Ala at N-terminus having a molecular mass of 35.6 kDa (with 20 kDa PEG) as determined by mass spectometry. However due to enlarged hydrodymanic volume it runs on the SDS-PAGE as 48 kDa protein and in gel-filtration on Superdex 200 as over 100 kDa protein. Its half-life in circulation after SC injection was over 20 hours. Rat Leptin was purified by proprietary chromatographic techniques according to Salomon et al (2006) Protein Expression and Purification 47, 128–136 and then pegylated.

    Source

    Escherichia Coli.

    Formulation

    The protein was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.

    Purity

    Greater than 99.0% as determined by:
    (a) Analysis by Gel-Filtration.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Pegylated Rat Leptin is capable of stimulatng proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Its in vitro activity is only slightly lower than the non-pegylated antagonist but in vivo it has profound weight reducing effect (as compared to the non-pegylated leptin), resulting mainly from reduced food intake.

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    • Introduction

      A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.

    • Synonyms

      OB Protein, Obesity Protein, OBS, Obesity factor.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized pegylated Rat Leptin Antagonist although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution of pegylated Rat Leptin at > 0.1 mg/ml and up to 2 mg/ml and filter sterilization Rat leptin can be stored at 4C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized pegylated Rat Leptin in sterile water or in sterile 0.4% NaHCO3 adjusted to pH-8.5, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Leptin Rat Pegylated
  • View Data Sheet

    Description:

    Activin-A Human Recombinant, Active

    Inhba, Inhibin beta A, FSH releasing protein.

    Product # :

    CYT-145

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    Description

    Active form Activin-A Human Recombinant produced in e.coli is a homodimeric, non-glycosylated, polypeptide chain containing 2 x 117 amino acids and having a molecular weight of 26.2kDa.The Active form Activin-A is purified by standard chromatographic techniques.

    Source

    E.Coli.

    Formulation

    Human Activin-A was lyophilized from a concentrated 1mg/ml protein solution containing 0.1% TFA.

    Purity

    Greater than 95% as obsereved by SDS-PAGE.

    Biological Activity

    Biological activity is assessed by the ability to induce cytotoxicity of MPC-11 cells and was found to be 8.95ng/ml corresponding to a specific activity of 1.1 x 105 units/mg.

    More Info

    • Introduction

      Activins are homodimers or heterodimers of the different β subunit isoforms, part of the TGFβ family. Mature Activin A has two 116 amino acids residues βA subunits (βA-βA). Activin displays an extensive variety of biological activities, including mesoderm induction, neural cell differentiation, bone remodelling, haematopoiesis, and reproductive physiology. Activins takes part in the production and regulation of hormones such as FSH, LH, GnRH and ACTH. Cells that are identified to express Activin A include fibroblasts, endothelial cells, hepatocytes, vascular smooth muscle cells, macrophages, keratinocytes, osteoclasts, bone marrow monocytes, prostatic epithelium, neurons, chondrocytes, osteoblasts, Leydig cells, Sertoli cells, and ovarian granulosa cells.

    • Synonyms

      Inhba, Inhibin beta A, FSH releasing protein.

    • Physical Appearance

      Lyophilized freeze dried powder.

    • Stability

      Lyophilized Activin-A although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Activin-A should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      Human INHBA protein should be reconstituted in distilled pyrogen free water to a concentration of 100ug /ml which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      MGLECDGKVN ICCKKQFFVS FKDIGWNDWI IAPSGYHANY CEGECPSHIA GTSGSSLSFH STVINHYRMR GHSPFANLKS CCVPTKLRPM SMLYYDDGQN IIKKDIQNMI VEECGCS.

    • Background

      Title: Research on Activin A Human Recombinant: Molecular Characteristics, Signaling Pathways, Physiological Functions, and Therapeutic Potential

      Introduction:

      Activin A, a member of the transforming growth factor-beta (TGF-β) superfamily, is a multifunctional cytokine that plays a significant role in various biological processes in the human body. Its involvement in diverse physiological and pathological functions has garnered considerable attention in scientific research. This paper aims to provide an overview of Activin A, encompassing its molecular characteristics, signaling pathways, physiological functions, and therapeutic potential.

      Activin A is encoded by the INHBA gene and is produced as a precursor protein that undergoes post-translational modifications to generate the mature form. The mature Activin A protein consists of two β-subunits held together by disulfide bonds. These structural features contribute to its functional properties and interactions with specific receptors.

      Upon binding to its cell surface receptors, Activin A triggers intracellular signaling cascades, leading to various cellular responses. Canonical SMAD-dependent pathway as well as non-SMAD pathways, such as MAPK/ERK, PI3K/Akt, and JNK signaling, are activated by Activin A. The intricate network of signaling pathways enables Activin A to regulate diverse biological processes, including cell proliferation, differentiation, apoptosis, and tissue homeostasis.

      Activin A exerts its physiological functions in a tissue-specific manner. It plays a critical role in embryonic development, particularly in organogenesis and patterning. Additionally, Activin A is involved in reproductive biology, where it participates in folliculogenesis, spermatogenesis, and hormonal regulation. It also contributes to neural development, immune system modulation, and skeletal homeostasis.

      The multifunctional properties of Activin A have positioned it as a potential therapeutic target for various diseases. Its involvement in cancer, neurodegenerative disorders, fibrosis, and reproductive disorders has prompted extensive research to explore its therapeutic potential. Understanding the molecular mechanisms underlying Activin A's actions provides valuable insights for developing innovative therapeutic strategies.

      In conclusion, Activin A is a versatile cytokine with diverse roles in human biology. This research aims to deepen our understanding of its molecular characteristics, signaling pathways, physiological functions, and therapeutic potential. By elucidating the complexities of Activin A, we strive to pave the way for novel therapeutic interventions in various human diseases.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Inhba Human
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    Description:

    Activin-A Human Recombinant, Plant-Active

    Inhba, Inhibin beta A, FSH releasing protein.

    Product # :

    CYT-414

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    Description

    Active form Activin-A Human Recombinant produced in Plant is a homodimeric, glycosylated, polypeptide chain containing 2 x 116 amino acids and having a molecular weight of 27.4kDa.The Active form Activin-A is fused to a 6-His tag at N-terminus and purified by standard chromatographic techniques.

    Source

    Nicotiana benthamiana.

    Formulation

    Active form Activin-A was lyophilized from a concentrated 1mg/ml protein solution containing 50mM Tris-HCl pH-7.4

    Purity

    Greater than 98% as obsereved by SDS-PAGE.

    Biological Activity

    The biological activity of INHBA is measured by its ability to inhibit mouse plasmacytoma cell line (MPC-11) cells proliferation ([3H]thymidine incorporation). ED50<5ng/ml.

    More Info

    • Introduction

      Activins are homodimers or heterodimers of the different β subunit isoforms, part of the TGFβ family. Mature Activin A has two 116 amino acids residues βA subunits (βA-βA). Activin displays an extensive variety of biological activities, including mesoderm induction, neural cell differentiation, bone remodelling, haematopoiesis, and reproductive physiology. Activins takes part in the production and regulation of hormones such as FSH, LH, GnRH and ACTH. Cells that are identified to express Activin A include fibroblasts, endothelial cells, hepatocytes, vascular smooth muscle cells, macrophages, keratinocytes, osteoclasts, bone marrow monocytes, prostatic epithelium, neurons, chondrocytes, osteoblasts, Leydig cells, Sertoli cells, and ovarian granulosa cells.

    • Synonyms

      Inhba, Inhibin beta A, FSH releasing protein.

    • Physical Appearance

      Lyophilized freeze dried powder.

    • Stability

      For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Repeated freezing and thawing is not recommended.

    • Solubility

      INHBA protein should be reconstituted in distilled water to a concentration of 50 ug /ml. Due to the protein nature, dimmers and multimers may be observed.

    • Amino Acid Sequence

      HHHHHHGLECDGKVNICCKKQFFVSFKDIGWNDWIIAPSG
      YHANYCEGECPSHIAGTSGSSLSFHSTVINHYRMRGHSPFA
      NLKSCCVPTKLRPMSMLYYDDGQNIIKKDIQNMIVEECGCS.

    • Background

      What is the molecular weight / Mw of Activin A Protein?
      Activin A Protein has a total Mw of 27.4 kDa.

      What is the source or expression system of Activin A Protein?
      Nicotiana benthamiana.

      What is the Purity of Activin A Protein?
      Activin A Protein is >98% pure as determined by SDS-PAGE.

      What is the Biological Activity of Activin A Protein?
      The biological activity of INHBA is measured by its ability to inhibit mouse plasmacytoma cell line (MPC-11) cells proliferation ([3H]thymidine incorporation). ED50<5ng/ml.

      What is the endotoxin level for Activin A Protein?
      The endotoxin level is minimal, ACTIVIN A Protein was purified using conventional chromatography techniques.

      What is the amino acid sequence of ACTIVIN A Protein?HHHHHHGLECDGKVNICCKKQFFVSFKDIGWNDWIIAPSGYHANYCEGECPSHIAGTSGSSLSFHSTVINHYRMRGHSPFANLKSCCVPTKLRPMSMLYYDDGQNIIKKDIQNMIVEECGCS

      What applications can ACTIVIN-A Protein be used in?

      ACTIVIN A Protein can probably be used in western blot, ELISA and Lateral Flow.

       

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Activin A Active
  • View Data Sheet

    Description:

    Galectin-4 Human Recombinant

    Galectin-4, Gal-4, Lactose-binding lectin 4, L-36 lactose-binding protein, L36LBP, Antigen NY-CO-27, LGALS4, lectin galactoside-binding soluble 4, GAL4.

    Product # :

    CYT-686

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    • sds-page

    Description

    Galectin-4 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 343 amino acids (1-323 a.a.) and having a molecular mass of 38.1kDa.Galectin-4 is fused to 20 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The LGALS4 protein solution contains 20mM Tris-HCl, pH-8, 1mM DTT and 10% glycerol.

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    sds-page

    More Info

    • Introduction

      Galectin-4 is a member of the subfamily of galectins composed of two carbohydrate recognition domains having similar peptide chains. The galectins are a family of beta-galactoside-binding proteins having a role in modulating cell-cell and cell-matrix interactions, which inhibits chronic inflammations, GVHD, and allergic responses. LGALS4 expression is limited to small intestine, colon, and rectum, and it is underexpressed in colorectal cancer. LGALS4 binds as an endogenous ligand to glycosphingolipids having 3-O-sulfated Gal residues and bind as well to cholesterol-3-sulfate. LGALS4 takes part in cell adhesion. LGALS4 plays a role in crosslinking the lateral cell membranes of the surface-lining epithelial cells, thus supporting epithelial integrity against mechanical stress exerted by the bowel lume. LGALS4 is in charge of intestinal inflammation via selective regulation of peripheral and mucosal T-cell cell cycle, in addition to cell death by apoptosis of T-cells by a pathway independent of the activation of caspases. LGALS4 blockade decreases TNF-alpha inhibitor induced T-cell death. LGALS4 decreases pro-inflammatory cytokine secretion including IL-6 & IL-17.

    • Synonyms

      Galectin-4, Gal-4, Lactose-binding lectin 4, L-36 lactose-binding protein, L36LBP, Antigen NY-CO-27, LGALS4, lectin galactoside-binding soluble 4, GAL4.

    • Physical Appearance

      Sterile filtered colorless solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      MGSSHHHHHH SSGLVPRGSH MAYVPAPGYQ PTYNPTLPYY QPIPGGLNVG MSVYIQGVAS EHMKRFFVNF VVGQDPGSDV AFHFNPRFDG WDKVVFNTLQ GGKWGSEERK RSMPFKKGAA FELVFIVLAE HYKVVVNGNP FYEYGHRLPL QMVTHLQVDG DLQLQSINFI GGQPLRPQGP PMMPPYPGPG HCHQQLNSLP TMEGPPTFNP PVPYFGRLQG GLTARRTIII KGYVPPTGKS FAINFKVGSS GDIALHINPR MGNGTVVRNS LLNGSWGSEE KKITHNPFGP GQFFDLSIRC GLDRFKVYAN GQHLFDFAHR LSAFQRVDTL EIQGDVTLSY VQI.

    • Background

      What is the molecular weight/Mw of LGALS4 HUMAN Protein?
      LGALS4 HUMAN Protein has a total Mw of 38.1kDa.

      What is the source or expression system of LGALS4 HUMAN Protein?
      Escherichia Coli.

      What is the Purity of LGALS4 HUMAN Protein?
      LGALS4 HUMAN Protein is >95% pure as determined by SDS-PAGE.

      What is the Biological Activity of LGALS4 HUMAN Protein?
      The biological functionality of LGALS4 HUMAN Protein will be determined in the future.

      What is the amino acid sequence of LGALS4 HUMAN Protein?
      MGSSHHHHHH SSGLVPRGSH MAYVPAPGYQ PTYNPTLPYY QPIPGGLNVG MSVYIQGVAS EHMKRFFVNF VVGQDPGSDV AFHFNPRFDG WDKVVFNTLQ GGKWGSEERK RSMPFKKGAA FELVFIVLAE HYKVVVNGNP FYEYGHRLPL QMVTHLQVDG DLQLQSINFI GGQPLRPQGP PMMPPYPGPG HCHQQLNSLP TMEGPPTFNP PVPYFGRLQG GLTARRTIII KGYVPPTGKS FAINFKVGSS GDIALHINPR MGNGTVVRNS LLNGSWGSEE KKITHNPFGP GQFFDLSIRC GLDRFKVYAN GQHLFDFAHR LSAFQRVDTL EIQGDVTLSY VQI.

      What applications can LGALS4 HUMAN Protein be used in?
      LGALS4 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

      What is the endotoxin level for LGALS4 HUMAN Protein?
      The endotoxin level is minimal, LGALS4 HUMAN Protein was purified using conventional chromatography techniques.


    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Lgals4 Human
  • View Data Sheet

    Description:

    V-maf Musculoaponeurotic Fibrosarcoma Oncogene K, Mouse Anti Human

    NFE2U, P18, Erythroid transcription factor NF-E2 p18 subunit, MAFK, Transcription factor MafK.

    Product # :

    ANT-463

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    Formulation

    1mg/ml containing PBS, pH-7.4, 10% Glycerol and 0.02% Sodium Azide.

    More Info

    • Introduction

      MAFK is a member of the bZIP family and Maf subfamily. Members from Maf family of basic region/leucine zipper (bZIP) transcription factors influence transcription in a positive or negative way, depending on their protein associate and the context of the target promoter. Small Mafs act as transcriptional repressors when they dimerize among themselves. Yet, they seem to function as transcriptional activators by dimerizing with other basic-zipper proteins and employing them to specific DNA-binding sites.

    • Synonyms

      NFE2U, P18, Erythroid transcription factor NF-E2 p18 subunit, MAFK, Transcription factor MafK.

    • Physical Appearance

      Sterile Filtered colorless solution.

    • Immunogen

      Anti-human MAFK mAb, clone PAT2F7A, is derived from hybridization of mouse F0 myeloma cells with spleen cells from BALB/c mice immunized with a recombinant human MAFK protein 1-156 amino acids purified from E. coli.

    • Ig Subclass

      Mouse IgG2a heavy chain and Kappa light chain.

    • Clone

      PAT2F7A.

    • Applications

      The antibody has been tested by ELISA, Western blot analysis to assure specificity and reactivity. Since application varies, however, each investigation should be titrated by the reagent to obtain optimal results. Recommended starting dilution is 1:1000.

    • Type

      Mouse Anti Human Monoclonal.

    • Storage Procedures

      For periods up to 1 month store at 4°C, for longer periods of time, store at -20°C. Prevent freeze thaw cycles.

    • Purification Method

      MAFK antibody was purified from mouse ascitic fluids by protein-G affinity chromatography.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Mafk Antibody
  • View Data Sheet

    Description:

    Placental Lactogen Human Recombinant

    Chorionic Somatomammotropin Hormone 1, CSH1, Choriomammotropin, Lactogen, CSH2, PL, CSA, CSMT, FLJ75407.

    Product # :

    CYT-656

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    Description

    Placental Lactogen Human Recombinant, is a single polypeptide chain containing 199 amino acids and an additional Ala at the N-terminus having a molecular mass of approximately 22.4 kDa. Placental Lactogen Recombinant is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The protein was lyophilized from a concentrated (1mg/ml) solution with 0.02-0.03% NaHCO3.

    Purity

    Greater than 99.0% as determined by:
    (a) Analysis by Gel Filtration.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Placental Lactogen Human is biologically active as evidenced by inducing proliferation of Nb2 cells.

    More Info

    • Introduction

      Placental Lactogen is a polypeptide hormone that is produced by the Syncytiotrophoblasts of the Placenta, also known as chorionic somatomammotropin. It has both GH and Prolactin activities on growth, lactation, and luteal steroid production. In women, placental lactogen secretion begins soon after implantation and increases to 1 g or more a day in late pregnancy. Placental lactogen is also an ins. antagonist.
      Placental Lactogen Bovine is also capable of activating human and other heterologous GH receptors but not ruminat GH receptors.

    • Synonyms

      Chorionic Somatomammotropin Hormone 1, CSH1, Choriomammotropin, Lactogen, CSH2, PL, CSA, CSMT, FLJ75407.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Placental Lactogen Human Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Placental Lactogen should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized Placental Lactogen in sterile water or 0.4% NaHCO3 adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted to other aqueous solutions, preferably in presence of carrier protein.

    • Amino Acid Sequence

      The sequence of the first 6 N-terminal amino acids was determined and was found to be Ala-Val-Gln-Thr-Val-Pro.

    • Protein content

      UV spectroscopy at 280 nm using the absorbency value of 0.73 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the DNAman computer analysis program of protein sequences.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Placental Lactogen Human
  • View Data Sheet

    Description:

    Interleukin-2 Human Recombinant

    T-cell growth factor (TCGF), Lymphokine, IL-2.

    Product # :

    CYT-209

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    Description

    Interleukin-2 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 133 amino acids and having a molecular mass of 15.4kDa. The IL-2 is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The protein was lyophilized from a 0.2μm filtered concentrated solution (1.0mg/ml) in PBS, pH 5.0.

    Purity

    Greater than 97.0% as determined by:
    (a) Analysis by RP-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    The ED50 as determined by the dose-dependent stimulation of murine CTLL-2 cells is less than 0.1 ng/ml, corresponding to a Specific Activity of 1x107IU/mg.

    More Info

    • Introduction

      IL2 is a secreted cytokine that is important for the proliferation of T and B lymphocytes. The receptor of this cytokine is a heterotrimeric protein complex whose gamma chain is also shared by interleukin 4 (IL4) and interleukin 7 (IL7). The expression of this gene in mature thymocytes is monoallelic, which represents an unusual regulatory mode for controlling the precise expression of a single gene. The targeted disruption of a similar gene in mice leads to ulcerative colitis-like disease, which suggests an essential role of this gene in the immune response to antigenic stimuli.

    • Synonyms

      T-cell growth factor (TCGF), Lymphokine, IL-2.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Interleukin-2 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL2 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized Interleukin-2 in sterile distilled water not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      APTSSSTKK TQLQLEHLLL DLQMILNGIN NYKNPKLTRM LTFKFYMPKK ATELKHLQCL EEELKPLEEV LNLAQSKNFH LRPRDLISNI NVIVLELKGS ETTFMCEYAD ETATIVEFLN RWITFCQSII STLT.

    • Background

      IL 2 HUMAN: A Vital Tool for Advancing Immunotherapy Research

      IL 2 HUMAN refers to the human form of Interleukin-2, a critical cytokine in the immune system. This protein is crucial for the growth and activity of T and B lymphocytes, the cells responsible for the body's immune defense against infections.

      By promoting the growth of these cells, IL 2 plays a vital role in maintaining and activating the immune response.

      Production and Characteristics

      Typically, IL 2 is produced through recombinant DNA technology using E. coli bacteria. This method allows for creating large quantities of pure and functional IL 2 protein.

      The product appears as a sterile, white lyophilized powder that is non-glycosylated and consists of 133 amino acids with a molecular mass of approximately 15.4 kDa.

      Reconstituting IL-2 Human for Laboratory Use

      To dissolve the lyophilized IL-2 effectively, it should be reconstituted with sterile distilled water to achieve a minimum 100µg/ml concentration. This makes the protein readily usable for further experimental procedures.

      Moreover, the concentration allows for easy adjustment in solubility and ensures optimal conditions for the protein's activity in various research setups. Proper dissolution and storage are crucial to maintain the protein's functionality and stability.

      Storage and Stability

      The stability of IL 2 is dependent on its storage conditions. When lyophilized, it can remain stable at room temperature for up to three weeks, but for long-term storage, it should be kept desiccated below -18°C.

      Once reconstituted, IL 2 should be used within a week if kept at 4°C, or it can be stored at below -18°C for future use. It's important to avoid freeze-thaw cycles, which can degrade the protein.

      Purity and Biological Activity

      IL 2 HUMAN's purity is generally greater than 97%, confirmed by reverse-phase high-performance liquid chromatography (RP-HPLC) and SDS-PAGE analyses.

      Its biological activity is evaluated by its ability to stimulate the proliferation of murine CTLL-2 cells, with an effective dose (ED50) typically less than 0.1 ng/ml. This indicates a very high specific activity, making it highly potent and effective in research settings.

      Applications in Research

      IL 2 is used extensively in research, particularly in studies focusing on the immune system, autoimmune diseases, and cancer. Furthermore, its role in T-cell growth and function makes it invaluable for developing new therapeutic strategies and understanding immune response mechanisms.

      Important Considerations

      It is important to remember that IL 2, like all cytokines used in research, is intended for laboratory use only. This protein is not suitable for drug, food, or cosmetic applications. Proper handling and usage instructions must be followed to ensure safety and efficacy in research environments.

      Essentially, IL 2 HUMAN is a vital tool in immunological research, offering insights into the complex workings of the immune system and providing avenues for potential therapeutic developments. The careful production, handling, and storage of IL 2 are crucial for its effective use in laboratory settings.

      What is the molecular weight/Mw of IL 2 HUMAN Protein?
      IL 2 HUMAN Protein has a total Mw of 15.4kDa.

      What is the source or expression system of IL 2 HUMAN Protein?
      Escherichia Coli.

      What is the Purity of IL 2 HUMAN Protein?
      IL 2 HUMAN Protein is >97% pure as determined by SDS-PAGE.

      What is the Biological Activity of IL 2 HUMAN Protein?
      The ED50 as determined by the dose-dependent stimulation of murine CTLL-2 cells is less than 0.1 ng/ml, corresponding to a Specific Activity of 1x107IU/mg.

      What is the amino acid sequence of IL 2 HUMAN Protein?
      APTSSSTKK TQLQLEHLLL DLQMILNGIN NYKNPKLTRM LTFKFYMPKK ATELKHLQCL EEELKPLEEV LNLAQSKNFH LRPRDLISNI NVIVLELKGS ETTFMCEYAD ETATIVEFLN RWITFCQSII STLT.

      What applications can IL 2 HUMAN Protein be used in?
      IL 2 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

      What is the endotoxin level for IL 2 HUMAN Protein?
      The endotoxin level is minimal, IL 2 HUMAN Protein was purified using conventional chromatography techniques.

      Who supplies recombinant IL 2 HUMAN that is in stock and available to order?
      ProSpec has the protein in stock and available for immediate delivery.

      Where can I order bulk mg quantities of IL 2 HUMAN?
      ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.


    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Il 2 Human
  • View Data Sheet

    Description:

    Growth Hormone Porcine Recombinant

    GH1, GH, GHN, GH-N, hGH-N,Pituitary growth hormone, Growth hormone 1, Somatotropin, pST.

    Product # :

    CYT-519

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    Description

    Porcine-Somatotropin Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 190 amino acids and having a molecular mass of 21730 Dalton. Growth Hormone is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The Growth-hormone (1 mg/ml) was lyophilized after extensive dialyses against 0.34 mg sodium phosphate buffer (0.02 mg sodium phosphate monobasic & 0.32 mg sodium phosphate dibasic).

    Purity

    Greater than 98.0% as determined by:
    (a) Analysis by RP-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Somatotropin contains 3 units/mg.

    More Info

    • Introduction

      GH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. The gene, along with four other related genes, is located at the growth hormone locus on chromosome 17 where they are interspersed in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. The five genes share a remarkably high degree of sequence identity. Alternative splicing generates additional isoforms of each of the five growth hormones, leading to further diversity and potential for specialization. This particular family member is expressed in the pituitary but not in placental tissue as is the case for the other four genes in the growth hormone locus. Mutations in or deletions of the gene lead to growth hormone deficiency and short stature.

    • Synonyms

      GH1, GH, GHN, GH-N, hGH-N,Pituitary growth hormone, Growth hormone 1, Somatotropin, pST.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized GH although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Somatotropin should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized pST in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      The sequence of the first five N-terminal amino acids was determined and was found to be Phe-Pro-Ala-Met-Pro.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Growth Hormone Porcine
  • View Data Sheet

    Description:

    Midkine Rat Recombinant

    Midkine, MK, Mdk.

    Product # :

    CYT-747

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    Description

    Midkine Rat Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 120 amino acids and having a molecular mass of 13.2kDa.The Midkine Rat is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Lyophilized from a 0.2µm filtered concentrated solution in 1xPBS, pH 7.4.

    Purity

    Greater than 97.0% as determined by:
    (a) Analysis by RP-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    The biological activity determined by a chemotaxis bioassay using human neutrophils is in a concentration range of 10-100 ng/ml.

    More Info

    • Introduction

      Midkine (MK) is the product of a retinoic acid responsive gene, MK, and is a member of a family of heparin binding factors. It contains 121 amino acid residues including 10 conserved cysteine residues, all of which appear to be disulphide linked.
      Midkine is expressed during embryogenesis, showing an expression pattern that suggests functions in neurogenesis, cell migration, secondary organogenetic induction, and mesoderm-epithelial interaction.
      The widespread downregulation of MK in the adult human is reverted in a number of cancers, in which polypeptides are able to act as both transforming growth factors and promoters of angiogenesis.
      Midkine (MK), induces chemotaxis of human neutrophils and was found to trigger mobilization of intracellular calcium of these cells.
      Midkine induces histamine release from rat peritoneal mast cells with a rapid response in a dose dependent manner.
      Midkine is also a potent stimulator of collagen and glycosaminoglycan synthesis.

    • Synonyms

      Midkine, MK, Mdk.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Midkine Rat although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Midkine Rat should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized Midkine Rat in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      VAKKKDKVKK GSECSEWTWG PCTPSSKDCG MGFREGTCGA QTQRIHCKVP CNWKKEFGAD CKYKFESWGA CDGSTGTKAR QGTLKKARYN AQCQETIRVT KPCTSKTKSK AKAKKGKGKD.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Midkine Rat
  • View Data Sheet

    Description:

    Erythropoietin-alpha Human Recombinant, HEK

    Erythropoietin-Alpha, EPO-a, EPO-alpha, Epoetin, EP, MGC138142.

    Product # :

    CYT-083

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    Description

    EPO-a Human Recombinant produced in HEK cells is a glycosylated monomer, having a total molecular weight of 36kDa.The EPO-alpha is purified by proprietary chromatographic techniques.

    Source

    HEK.

    Formulation

    The EPO-alpha was lyophilized from 1mg/ml in 1xPBS.

    Purity

    Greater than 95% as obsereved by SDS-PAGE.

    Biological Activity

    The specific activity was determined by the dose-dependent stimulation of the proliferation of human TF-1 cells (human erythroleukemic indicator cell line) and is typically 0.5-2.5ng/ml, corresponding to a specific activity of 400,000-2,000,000 units/mg.

    More Info

    • Introduction

      This gene is a member of the EPO/TPO family and encodes a secreted, glycosylated cytokine composed of four alpha helical bundles. The protein is found in the plasma and regulates red cell production by promoting erythroid differentiation and initiating hemoglobin synthesis. This protein also has neuroprotective activity against a variety of potential brain injuries and antiapoptotic functions in several tissue types.

    • Synonyms

      Erythropoietin-Alpha, EPO-a, EPO-alpha, Epoetin, EP, MGC138142.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized EPO-alpha although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution EPO-alpha should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized EPO-alpha in sterile water not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Background

      What is the molecular weight/Mw of EPOETIN Protein?
      EPOETIN Protein has a total Mw of 36kDa.

      What is the source or expression system of EPOETIN Protein?
      HEK.

      What is the Purity of EPOETIN Protein?
      EPOETIN Protein is >95% pure as determined by SDS-PAGE.

      What is the Biological Activity of EPOETIN Protein?
      The specific activity was determined by the dose-dependent stimulation of the proliferation of human TF-1 cells (human erythroleukemic indicator cell line) and is typically 0.5-2.5ng/ml, corresponding to a specific activity of 400,000-2,000,000 units/mg.

      What applications can EPOETIN Protein be used in?
      EPOETIN Protein can probably be used in western blot, ELISA and Lateral Flow.

      What is the endotoxin level for EPOETIN Protein?
      The endotoxin level is minimal, EPOETIN Protein was purified using conventional chromatography techniques.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Epo A Human Hek
  • View Data Sheet

    Description:

    Erythropoietin-alpha Human Recombinant, His Tag

    800x600 Erythropoietin, EP, INN=Epoetin, EPO a, Erythropoietin-alpha, EPO. Normal 0 false false false EN-US X-NONE HE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif";}

    Product # :

    CYT-791

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    • sds-page

    Description

    800x600 EPO a Human Recombinant produced in Baculovirus is a single, glycosylated polypeptide chain containing 174 amino acids (28-193a.a.) and having a molecular mass of 19.5kDa.EPO a is fused to an 8 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.

    Source

    Sf9, Baculovirus cells.

    Formulation

    EPO a protein solution (0.5mg/ml) contains Phosphate-Buffered Saline (pH 7.4) and 10% glycerol.

    Purity

    Greater than 95% as determined by SDS-PAGE.

    Biological Activity

    The ED50 range is ≤0.5ng/ml and measured in a cell proliferation assay using TF-1 human erythroleukemic cells.

    sds-page

    More Info

    • Introduction

      EPO a is a member of the EPO/TPO family and encodes a secreted, glycosylated cytokine composed of four alpha helical bundles. EPO a is found in the plasma and regulates red cell production by promoting erythroid differentiation and initiating hemoglobin synthesis. EPO a also has neuroprotective activity against a variety of potential brain injuries and antiapoptotic functions in several tissue types.

    • Synonyms

      Erythropoietin, EP, INN=Epoetin, EPO a, Erythropoietin-alpha, EPO.

    • Physical Appearance

      Sterile Filtered clear solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      APPRLICDSR VLERYLLEAK EAENITTGCA EHCSLNENIT VPDTKVNFYA WKRMEVGQQA VEVWQGLALL SEAVLRGQAL LVNSSQPWEP LQLHVDKAVS GLRSLTTLLR ALRAQKEAIS PPDAASAAPL RTITADTFRK LFRVYSNFLR GKLKLYTGEA CRTGDRLEHH HHHH.

    • Background

      What is the molecular weight/Mw of EPOETIN Protein?
      EPOETIN Protein has a total Mw of 19.5kDa.

      What is the source or expression system of EPOETIN Protein?
      Sf9, Baculovirus cells.

      What is the Purity of EPOETIN Protein?
      EPOETIN Protein is >95% pure as determined by SDS-PAGE.

      What is the Biological Activity of EPOETIN Protein?
      The ED50 range is ≤0.5ng/ml and measured in a cell proliferation assay using TF-1 human erythroleukemic cells.

      What is the amino acid sequence of EPOETIN Protein?
      APPRLICDSR VLERYLLEAK EAENITTGCA EHCSLNENIT VPDTKVNFYA WKRMEVGQQA VEVWQGLALL SEAVLRGQAL LVNSSQPWEP LQLHVDKAVS GLRSLTTLLR ALRAQKEAIS PPDAASAAPL RTITADTFRK LFRVYSNFLR GKLKLYTGEA CRTGDRLEHH HHHH.

      What applications can EPOETIN Protein be used in?
      EPOETIN Protein can probably be used in western blot, ELISA and Lateral Flow.

      What is the endotoxin level for EPOETIN Protein?
      The endotoxin level is minimal, EPOETIN Protein was purified using conventional chromatography techniques.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Epo A His Human
  • View Data Sheet

    Description:

    Galectin-2 Mouse Recombinant

    Galectin-2, Gal-2, Lgals2, AI324147, 2200008F12Rik.

    Product # :

    CYT-019

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    • SDS-PAGE

    Description

    LGALS2 mouse Recombinant produced E. coli is a single polypeptide chain containing 153 amino acids (1-130) and having a molecular mass of 17.3kDa.LGALS2 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The LGALS2 solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.1M NaCl, 10% glycerol and 1mM DTT.

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    SDS-PAGE

    More Info

    • Introduction

      LGALS2 is a soluble beta-galactoside binding lectin that controls cell-to-cell adhesion and cell-to-extracellular matrix interactions and takes part in tumor progression, pre-mRNA splicing and apoptosis. LGALS2 induces apoptosis in activated T cells and binds to the cytokine lymphotoxin-alpha (LTA) with threat of myocardial infarction.

    • Synonyms

      Galectin-2, Gal-2, Lgals2, AI324147, 2200008F12Rik.

    • Physical Appearance

      Sterile Filtered colorless solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      MGSSHHHHHH SSGLVPRGSH MGSMSEKFEV KDLNMKPGMS LKIKGKIHND VDRFLINLGQ GKETLNLHFN PRFDESTIVC NTSEGGRWGQ EQRENHMCFS PGSEVKITIT FQDKDFKVTL PDGHQLTFPN RLGHNQLHYL SMGGLQISSF KLE.

    • Background

      What is the molecular weight/Mw of LGALS2 MOUSE Protein?
      LGALS2 MOUSE Protein has a total Mw of 17.3kDa.

      What is the source or expression system of LGALS2 MOUSE Protein?
      Escherichia Coli.

      What is the Purity of LGALS2 MOUSE Protein?
      LGALS2 MOUSE Protein is >95% pure as determined by SDS-PAGE.

      What is the Biological Activity of LGALS2 MOUSE Protein?
      The biological functionality of LGALS2 MOUSE Protein will be determined in the future.

      What is the amino acid sequence of LGALS2 MOUSE Protein?
      MGSSHHHHHH SSGLVPRGSH MGSMSEKFEV KDLNMKPGMS LKIKGKIHND VDRFLINLGQ GKETLNLHFN PRFDESTIVC NTSEGGRWGQ EQRENHMCFS PGSEVKITIT FQDKDFKVTL PDGHQLTFPN RLGHNQLHYL SMGGLQISSF KLE.

      What applications can LGALS2 MOUSE Protein be used in?
      LGALS2 MOUSE Protein can probably be used in western blot, ELISA and Lateral Flow.

      What is the endotoxin level for LGALS2 MOUSE Protein?
      The endotoxin level is minimal, LGALS2 MOUSE Protein was purified using conventional chromatography techniques.


    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Lgals2 Mouse
  • View Data Sheet

    Description:

    Galectin-9 Human Recombinant

    Lectin galactoside-binding soluble 9, Urate transporter/channel protein, LGALS9A, MGC125973, HUAT, Ecalectin, Galectin-9, MGC117375, MGC125974, HOM-HD-21, LGALS9.

    Product # :

    CYT-708

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    • SDS-PAGE

    Description

    LGALS9 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 168 amino acids (1-148 a.a.) and having a molecular mass of 18.5 kDa. Galectin-9 is fused to a 20 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The LGALS9 protein solution contains 20mM Tris-HCl, pH-8, 100mM NaCl and 20% glycerol.

    Purity

    Greater than 90.0% as determined by SDS-PAGE.

    SDS-PAGE

    More Info

    • Introduction

      LGLAS9 binds galactosides and has high affinity for the Forssman pentasaccharide. LGLAS9 participates in thymocyte-epithelial interactions relevant to the biology of the thymus and Inhibits cell proliferation. LGLAS9 is a ligand for HAVCR2/TIM3. LGLAS9 Induces T-helper type 1 lymphocyte (Th1) death. LGLAS9 performs as an eosinophil chemoattractant LGLAS9 is an S-type lectin which is over-expressed in Hodgkin's disease tissue and takes part in the interaction between the H&RS cells with their surrounding cells.

    • Synonyms

      Lectin galactoside-binding soluble 9, Urate transporter/channel protein, LGALS9A, MGC125973, HUAT, Ecalectin, Galectin-9, MGC117375, MGC125974, HOM-HD-21, LGALS9.

    • Physical Appearance

      Sterile filtered colorless solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      MGSSHHHHHH SSGLVPRGSH MAFSGSQAPY LSPAVPFSGT IQGGLQDGLQ ITVNGTVLSS SGTRFAVNFQ TGFSGNDIAF HFNPRFEDGG YVVCNTRQNG SWGPEERKTH MPFQKGMPFD LCFLVQSSDF KVMVNGILFV QYFHRVPFHR VDTISVNGSV QLSYISFQ.

    • Background

      What is the molecular weight/Mw of LGALS9 HUMAN Protein?
      LGALS9 HUMAN Protein has a total Mw of 18.5kDa.

      What is the source or expression system of LGALS9 HUMAN Protein?
      Escherichia Coli.

      What is the Purity of LGALS9 HUMAN Protein?
      LGALS9 HUMAN Protein is >90% pure as determined by SDS-PAGE.

      What is the Biological Activity of LGALS9 HUMAN Protein?
      The biological functionality of LGALS9 HUMAN Protein will be determined in the future.

      What is the amino acid sequence of LGALS9 HUMAN Protein?
      MGSSHHHHHH SSGLVPRGSH MAFSGSQAPY LSPAVPFSGT IQGGLQDGLQ ITVNGTVLSS SGTRFAVNFQ TGFSGNDIAF HFNPRFEDGG YVVCNTRQNG SWGPEERKTH MPFQKGMPFD LCFLVQSSDF KVMVNGILFV QYFHRVPFHR VDTISVNGSV QLSYISFQ.

      What applications can LGALS9 HUMAN Protein be used in?
      LGALS9 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

      What is the endotoxin level for LGALS9 HUMAN Protein?
      The endotoxin level is minimal, LGALS9 HUMAN Protein was purified using conventional chromatography techniques.


    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Lgals9 Human
  • View Data Sheet

    Description:

    Prolactin Ovine Antagonsit Recombinant

    Mammotropin, Luteotropic hormone, Luteotropin, PRL.

    Product # :

    CYT-311

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    Description

    Prolactin Ovine Antagonist Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 199 amino acids and having a molecular mass of 23kDa. Ovine Prolactin Antagonist is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Ovine Prolactin was lyophilized from a concentrated (1mg/ml) solution with 0.02%-0.03% NaHCO3.

    Purity

    Greater than 99.0% as determined by SDS-PAGE.

    Biological Activity

    Ovine Prolactin Antagonist is devoid of agonistic activity and capable of inhibiting biological activity of Ovine Prolactin or other lactogenic hormones as evidenced by proliferation assay of Nb2 or other cells.

    More Info

    • Introduction

      Prolactin is a lactogenic hormone secreted by the adenohypophysis .Besides its major action on lactation, in some species prolactin exerts effects on reproduction, maternal behavior, fat metabolism, immunomodulation and osmoregulation.Prolactin has been shown also to have cytokine-like activities and to have important immunoregulatory activities. It contributes to the development of lymphoid tissues and the maintenance of physiological immune function and also modulates a variety of T-cell immune responses. Prolactin has been reported to activate cellular proliferation in nonreproductive tissue, such as liver, spleen, and thymus. It induces significant proliferation in aortic smooth muscle cells and also enhances proliferation of these cells induced by PDGF . Prolactin also appears to be directly mitogenic for pancreatic beta cells. Prolactin is also mitogenic for cultured astrocytes.

    • Synonyms

      Mammotropin, Luteotropic hormone, Luteotropin, PRL.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Ovine Prolactin Antagonist although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Ovine Prolactin Antagonist should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized Ovine Prolactin Antagonist in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Thr-Pro-Val-Cys-Pro.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Prolactin Antagonist Ovine
  • View Data Sheet

    Description:

    Retinol Binding Protein Native Human

    Product # :

    CYT-1203

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    Description

    Human Retinol Binding Protein Native produced in urine from the patients with renal tubular proteinuria having a molecular mass of approximately 21kD.

    Source

    Urine from the patients with renal tubular proteinuria.

    Formulation

    The protein was lyophilized (0.2 µm filtered) from 20mM NH4HCO3.

    Purity

    Greater than 96.0%.

    More Info

    • Introduction

      Human Retinol Binding Protein, also known as RBP, is responsible for transporting and binding vitamin A. Human RBP has a binding site for 1 molecule of retinol and circulates in the plasma together with prealbumin as a protein complex. The prealbumin binding prevents greater glomerular losses of the human RBP. Only the retinol-free form of the RBP, which has no affinity for prealbumin, undergoes glomerular filtration unhindered as a result of its low Mw. Human RBP is re-absorbed by the tubular cells and catabolized there.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      RBP Human although stable at room temperature for 3 weeks, should be stored between 2-8°C.

    • Solubility

      It is recommended to reconstitute the lyophilized RBP Human in phosphate buffer containing 0.15M NaCl.

    • Human Virus Test

      Starting material donor has been tested and certified negative for antibodies to HIV-1, HIV-2, HCV, HBSAG and Syphilis.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Retinol Binding Protein
  • View Data Sheet

    Description:

    Leptin Ovine Recombinant, MTS tag

    OB Protein, Obesity Protein, OBS, Obesity factor.

    Product # :

    CYT-531

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    Description

    Leptin Ovine MTS tagged Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 157 amino acids and having a molecular mass of 17.5 kDa.The Leptin is purified by proprietary chromatographic techniques. The membrane translocating sequence Tag is composed of 10 amino acids Val-Leu-Leu-Pro-Val-Leu-Leu-Ala-Ala-Pro located at the N-terminus.

    Source

    Escherichia Coli.

    Formulation

    The protein was lyophilized from a concentrated (1mg/ml) solution with 0.02% NaHCO3.

    Purity

    Greater than 98.0% as determined by:
    (a) Gel filtration analysis.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Biological active as evidenced by inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor.

    More Info

    • Introduction

      A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.

    • Synonyms

      OB Protein, Obesity Protein, OBS, Obesity factor.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Leptin Ovine MTS tagged although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leptin should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized Leptin in sterile 0.02% NaHCO3 not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Leu-Leu-Pro.

    • Protein content

      Protein quantization was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.18 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Leptin Ovine Mts
  • View Data Sheet

    Description:

    Retinoic Acid Receptor Responder 2 Human Recombinant, Sf9

    Retinoic Acid Receptor Responder 2, Chemerin, Retinoic Acid Receptor Responder (Tazarotene Induced) 2, Tazarotene-Induced Gene 2 Protein, RAR-Responsive Protein TIG2, TIG2, Retinoic Acid Receptor Responder Protein 2, HP10433, Retinoic acid receptor responder protein 2, Chemerin, RAR-responsive protein TIG2, Tazarotene-induced gene 2 protein.

    Product # :

    PRO-2382

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    Description

    RARRES2 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 146 amino acids (21-157a.a.) and having a molecular mass of 16.9kDa. (Molecular size on SDS-PAGE will appear at approximately 18-28kDa). RARRES2 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

    Source

    Sf9, Baculovirus cells.

    Formulation

    RARRES2 protein solution (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

    Purity

    Greater than 90.0% as determined by SDS-PAGE.

    More Info

    • Introduction

      RARRES2 is a secreted chemotactic protein that initiates chemotaxis through the ChemR23 G protein-coupled seven-transmembrane domain ligand. RARRES2 is upregulated by the synthetic retinoid tazarotene and found in a vast variety of tissues. RARRES2 acts as an adipokine, and is truncated on both termini from the proprotein. RARRES2 is structurally related to the cathelicidin precursors, cystatin C and kininogens. RARRES2 promotes calcium mobilization and chemotaxis of immature dendritic cells and macrophages. RARRES2 is secreted as a precursor of little biological activity, which requires proteolytic cleavage of its COOH-terminal domain to be exchangeed into a potent and highly specific agonist of ChemR23. RARRES2 signals via its receptor, ChemR23 (CMKLR1), as a positive regulator of adipocyte differentiation and metabolic function. The Chemerin receptor acts as a coreceptor for SIV and some primary HIV-1 strains. The Chemerin receptor has another ligand, called tazarotene-induced gene.

    • Synonyms

      Retinoic Acid Receptor Responder 2, Chemerin, Retinoic Acid Receptor Responder (Tazarotene Induced) 2, Tazarotene-Induced Gene 2 Protein, RAR-Responsive Protein TIG2, TIG2, Retinoic Acid Receptor Responder Protein 2, HP10433, Retinoic acid receptor responder protein 2, Chemerin, RAR-responsive protein TIG2, Tazarotene-induced gene 2 protein.

    • Physical Appearance

      Sterile Filtered colorless solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      ADPELTEAQR RGLQVALEEF HKHPPVQWAF QETSVESAVD TPFPAGIFVR LEFKLQQTSC RKRDWKKPEC KVRPNGRKRK CLACIKLGSE DKVLGRLVHC PIETQVLREA EEHQETQCLR VQRAGEDPHS FYFPGQFAFS HHHHHH.

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    Rarres2 Human Sf9
  • View Data Sheet

    Description:

    Neurotrophin-4 Human Recombinant

    NT4, NT5, NTF5, NT-4/5, NTF4, Neurotrophin-4, Neutrophic factor 4, Neurotrophin-5, NT-5.

    Product # :

    CYT-626

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    Description

    Neurotrophin-4 Human Recombinant produced in E.Coli is a noncovalently linked homodimer, non-glycosylated polypeptide chain containing 2 x 130 amino acids (81-210 amino acids) and having a total molecular mass of 28 kDa. The NT-4 is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Lyophilized from a concentrated (1mg/ml) solution in water containing 20mM phosphate buffer pH-7.4 and 150mM NaCl.

    Purity

    Greater than 97.0% as determined by:
    (a) Analysis by RP-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Determined by the dose-dependent induction of choline acetyl transferase activity in rat basal forebrain primary septal cell cultures was found to be in the range of 20-50 ng/ml.

    More Info

    • Introduction

      NT-4 is part of the family of neurotrophic factors, neurotrophins, that are in charge for the survival and differentiation of mammalian neurons. NT-4 expression is dominant and less influenced by environmental signals. NT-4 deficient mice shows slight cellular deficits and develop normally to adulthood. NT-4 is a target-derived survival factor for peripheral sensory sympathetic neurons.NT-4 is involved in the proliferation and differentiation of periodontal ligament cells.

    • Synonyms

      NT4, NT5, NTF5, NT-4/5, NTF4, Neurotrophin-4, Neutrophic factor 4, Neurotrophin-5, NT-5.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized NT-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution NT-4 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized NT-4 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      GVSETAPASR RGELAVCDAV SGWVTDRRTA VDLRGREVEV LGEVPAAGGS PLRQYFFETR CKADNAEEGG PGAGGGGCRG VDRRHWVSEC KAKQSYVRAL TADAQGRVGW RWIRIDTACV CTLLSRTGRA.

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    Nt 4 Human
  • View Data Sheet

    Description:

    Erythropoietin Receptor Human Recombinant

    Erythropoietin Receptor, EPO-R, EPOR. Normal 0 false false false EN-US X-NONE HE MicrosoftInternetExplorer4-->

    Product # :

    CYT-929

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    • sds-page

    Description

    EPOR Human Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 232 amino acids (25-250 a.a) and having a molecular mass of 25.6kDa. (Migrates at 28-40kDa on SDS-PAGE under reducing conditions). EPOR is fused to an 6 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.

    Source

    Sf9, Baculovirus cells.

    Formulation

    EPOR protein solution (0.5mg/ml) containing Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    sds-page

    More Info

    • Introduction

      Erythropoietin receptor, also known as EPOR arbitrates erythropoietin-induced erythroblast proliferation as well as differentiation. During EPO binding, EPOR activates Jak2 tyrosine kinase which activates various intracellular pathways including: Ras/MAP kinase, phosphatidylinositol 3-kinase and STAT transcription factors. Furthermore, stimulated EPOR has a function in erythroid cell survival. Mutations in EPOR may possibly produce erythroleukemia and familial erythrocytosis. In addition, dysregulation of EPOR can affect on the growth of selected tumors.

    • Synonyms

      Erythropoietin Receptor, EPO-R, EPOR.

    • Physical Appearance

      Sterile Filtered clear solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      APPPNLPDPK FESKAALLAA RGPEELLCFT ERLEDLVCFW EEAASAGVGP GNYSFSYQLE DEPWKLCRLH QAPTARGAVR FWCSLPTADT SSFVPLELRV TAASGAPRYH RVIHINEVVL LDAPVGLVAR LADESGHVVL RWLPPPETPM TSHIRYEVDV SAGNGAGSVQ RVEILEGRTE CVLSNLRGRT RYTFAVRARM AEPSFGGFWS AWSEPVSLLT PSDLDPHHHH HH.

    • Background

      What is the molecular weight/Mw of ERYTHROPOIETIN Protein?
      ERYTHROPOIETIN Protein has a total Mw of 25.6kDa.

      What is the source or expression system of ERYTHROPOIETIN Protein?
      Sf9, Baculovirus cells.

      What is the Purity of ERYTHROPOIETIN Protein?
      ERYTHROPOIETIN Protein is >95% pure as determined by SDS-PAGE.

      What is the Biological Activity of ERYTHROPOIETIN Protein?
      The biological functionality of ERYTHROPOIETIN Protein will be determined in the future.

      What is the amino acid sequence of ERYTHROPOIETIN Protein?
      APPPNLPDPK FESKAALLAA RGPEELLCFT ERLEDLVCFW EEAASAGVGP GNYSFSYQLE DEPWKLCRLH QAPTARGAVR FWCSLPTADT SSFVPLELRV TAASGAPRYH RVIHINEVVL LDAPVGLVAR LADESGHVVL RWLPPPETPM TSHIRYEVDV SAGNGAGSVQ RVEILEGRTE CVLSNLRGRT RYTFAVRARM AEPSFGGFWS AWSEPVSLLT PSDLDPHHHH HH.

      What applications can ERYTHROPOIETIN Protein be used in?
      ERYTHROPOIETIN Protein can probably be used in western blot, ELISA and Lateral Flow.

      What is the endotoxin level for ERYTHROPOIETIN Protein?
      The endotoxin level is minimal, ERYTHROPOIETIN Protein was purified using conventional chromatography techniques.

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    Epor Human
  • View Data Sheet

    Description:

    Leptin Porcine Recombinant

    OB Protein, Obesity Protein, OBS, Obesity factor.

    Product # :

    CYT-503

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    Description

    Leptin Porcine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and additional Ala at N-terminus, having a molecular mass of 16kDa. The Leptin is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The protein was lyophilized from a concentrated (1mg/ml) solution with 0.02% NaHCO3.

    Purity

    Greater than 98.0% as determined by:
    (a) Gel filtration analysis.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Biological active as evidenced by inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor.

    More Info

    • Introduction

      A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.

    • Synonyms

      OB Protein, Obesity Protein, OBS, Obesity factor.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Leptin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leptin should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized recombinant porcine leptin in sterile 0.4% NaHCO3 adjusted to ph 8-9, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-Trp.

    • Protein content

      Protein quantitation was carried out by two independent methods:1. UV spectroscopy at 280 nm using the absorbency value of 0.57 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC,using calibrated solution of Leptin Porcine as a Reference Standard.

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    Leptin Porcine
  • View Data Sheet

    Description:

    Neuregulin-1/Heregulin-b1 Human Recombinant

    Neuregulin-1, Heregulin-b1, NRG1-B1, NRG1 B1.

    Product # :

    CYT-733

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    Description

    Recombinant Human Neuregulin-1/Heregulin-b1 produced in E.Coli is a single, non-glycosylated, polypeptide chain (a.a 177-241) containing 65 amino acids and having a total molecular mass of 7.5kDa. NRG1-B1 is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Lyophilized from a 0.2µm filtered solution in 1×PBS, pH 7.4 and 5% trehalose.

    Purity

    Greater than 97.0% as determined by:
    (a) Analysis by RP-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    The ED50 was determined by the dose-dependent stimulation of the proliferation of human MCF-7 cells is less than 0.5ng/ml, corresponding to a specific activity of >2.0×106 units/mg.

    More Info

    • Introduction

      Neuregulin/Heregulin is a family of structurally related polypeptide growth factors which are stemmed from alternatively spliced genes (NRG1, NRG2, NRG3 and NRG4). Thus far, there are more than 14 soluble and transmembrane proteins derived from the NRG1 gene. Proteolytic processing of the extracellular domain of the transmembrane NRG1 isoforms release soluble growth factors. HRG1-b1 is comprised of an Ig domain and an EGF-like domain which is necessary for direct binding to receptor tyrosine kinases erb3 and erb4. This binding stimulates erb3 and erb4 heterodimerization with erb2, promoting intrinsic kinase activity, which results in tyrosine phosphorylation. Even though HRG1-b1 biological effects are still unclear, it has been discovered to advance motility and invasiveness of breast cancer cells which in addition might entail up-regulation of expression and function of the autocrine motility-promoting factor (AMF).

    • Synonyms

      Neuregulin-1, Heregulin-b1, NRG1-B1, NRG1 B1.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized NRG1-B1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution NRG1-B1 should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized NRG1-B1 in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      SHLVKCAEKE KTFCVNGGEC FMVKDLSNPS RYLCKCPNEF TGDRCQNYVM ASFYKHLGIE FMEAE.

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    Nrg1 B1 Human
  • View Data Sheet

    Description:

    Noggin Human Recombinant

    SYM1, SYNS1, NOG.

    Product # :

    CYT-475

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    Description

    Noggin Human Recombinant produced in E.Coli is a non-glycosylated, non-disulfide-linked homodimer consisting of two 206 amino acid polypeptide chains, having a total molecular mass of approximately 46.3kDa. Noggin is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Lyophilized from a 0.2μm filtered solution in 30% CH3CN, 0.1% TFA.

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    Biological Activity

    The ED50 was determined by its ability to inhibit 5.0ng/ml of BMP-4 induced alkaline phosphatase production by murine ATDC-5 cells. The expected ED50 for this effect  is < 3ng/ml of Noggin, corresponding to a Specific Activity of 3.3x105units/mg.

    More Info

    • Introduction

      The secreted polypeptide noggin, encoded by the NOG gene, binds and inactivates members of the transforming growth factor-beta (TGF-beta) superfamily signaling proteins, such as bone morphogenetic protein-4 (BMP4). By diffusing through extracellular matrices more efficiently than members of the TGF-beta superfamily, noggin may have a principal role in creating morphogenic gradients. Noggin appears to have pleiotropic effect, both early in development as well as in later stages. It was originally isolated from Xenopus based on its ability to restore normal dorsal-ventral body axis in embryos that had been artificially ventralized by UV treatment. The results of the mouse knockout of noggin suggest that it is involved in numerous developmental processes, such as neural tube fusion and joint formation. Recently, several dominant human NOG mutations in unrelated families with proximal symphalangism (SYM1) and multiple synostoses syndrome (SYNS1) were identified; both SYM1 and SYNS1 have multiple joint fusion as their principal feature, and map to the same region (17q22) as NOG. All NOG mutations altered evolutionarily conserved amino acid residues. The amino acid sequence of human noggin is highly homologous to that of Xenopus, rat and mouse.

    • Synonyms

      SYM1, SYNS1, NOG.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Noggin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Noggin should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in 10mM HCl to a concentration of 0.1-1.0 mg/ml. Further dilutions should be made in appropriate buffered solutions.

    • Amino Acid Sequence

      MQHYLHIRPAPSDNLPLVDLIEHPDPIFDPKEKDLNETLLRSLLGGHYDPGFMATSPP
      EDRPGGGGGAAGGAEDLAELDQLLRQRPSGAMPSEIKGLEFSEGLAQGKKQRLSKKLR
      RKLQMWLWSQTFCPVLYAWNDLGSRFWPRYVKVGSCFSKRSCSVPEGMVCKPSKSVHL
      TVLRWRCQRRGGQRCGWIPIQYPIISECKCSC.

    • Background

      Recombinant Human Noggin Growth Beta Factor: A Potent Inhibitor of Bone Morphogenetic Protein Signaling.

      Abstract:

      Recombinant human Noggin Growth Beta Factor (Noggin) is a highly conserved protein that acts as a potent antagonist of the Bone Morphogenetic Protein (BMP) signaling pathway.

      Noggin plays a critical role in embryonic development, tissue homeostasis, and disease processes.

      This research paper provides a comprehensive analysis of the molecular characteristics, signaling mechanisms, and diverse physiological functions of recombinant human Noggin.

      Additionally, it explores the therapeutic implications of Noggin in various disorders. Synonyms such as SYM1, SYNS1, and NOG associated with Noggin are discussed throughout the paper to highlight their relevance in scientific literature.

      Introduction:

      1. Recombinant human Noggin Growth Beta Factor (Noggin) is a protein with multifaceted roles in development, tissue homeostasis, and disease. This section introduces Noggin and its synonyms, including SYM1, SYNS1, and NOG, emphasizing their significance and relevance in scientific research.

      Molecular Characteristics of Noggin :

      1. This section explores the molecular characteristics of Noggin, including its primary amino acid sequence, protein structure, and post-translational modifications. The interactions of Noggin with BMPs and other regulatory molecules are also discussed, highlighting the importance of these interactions in modulating BMP signaling.

      Inhibition of BMP Signaling by Noggin:

      1. Noggin acts as a potent inhibitor of BMP signaling by binding to BMP ligands and preventing their interaction with BMP receptors. This section delves into the mechanisms through which Noggin interferes with BMP signaling, including competition for receptor binding and sequestration of BMPs in extracellular spaces. The implications of Noggin-mediated inhibition of BMP signaling in development and tissue homeostasis are also discussed.

      Physiological Functions of Noggin:

      1. Noggin plays critical roles in various physiological processes, including embryonic development, neurogenesis, skeletal development, and joint formation. This section provides an in-depth analysis of Noggin's contributions to these processes, highlighting its role in maintaining proper tissue patterning, cell fate determination, and morphogenesis.

      Therapeutic Implications of Noggin:

      1. The unique inhibitory properties of Noggin make it an attractive therapeutic candidate for various disorders. This section discusses the potential applications of Noggin in bone and joint diseases, neurological disorders, and cancer. Additionally, it explores the challenges and future prospects of utilizing Noggin as a therapeutic agent.

      Clinical Studies and Translational Research:

      1. This section reviews clinical studies and translational research involving Noggin, emphasizing its potential in regenerative medicine and tissue engineering. It highlights ongoing efforts to develop Noggin-based therapeutics and discusses the promising results observed in preclinical and clinical studies.

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    Noggin Human
  • View Data Sheet

    Description:

    Growth Hormone Gilthead Seabream Recombinant

    GH1, GH, GHN, GH-N, hGH-N, Pituitary growth hormone, Growth hormone 1, Somatotropin.

    Product # :

    CYT-529

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    Description

    Somatotropin Gilthead Seabream Recombinant Sparus Aurata produced in E.Coli is a single, non-glycosylated polypeptide chain containing 188 amino acids with an additional Ala at the N-terminus and having a molecular mass of 21.4 kDa. The Gilthead Seabream Growth-Hormone Recombinant is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    The protein was lyophilized from a concentrated (1mg/ml) solution with 0.02% NaHCO3.

    Purity

    Greater than 98.0% as determined by:
    (a) Analysis by SEC-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Binding assays of the 125I-labeled gilthead seabream GH to dolphin fish liver microsomal fraction resulted in high specific binding characterized by a Ka of 1.93 nM and a Bmax of 540 fmol/mg microsomal fraction protein. Recombinant gilthead seabream Growth Hormone, like ovine placental lactogen, exhibited growth-stimulating activity when applied orally to Sparus aurata larvae or intraperitoneally to juvenile fish.

    More Info

    • Introduction

      GH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. The gene, along with four other related genes, is located at the growth hormone locus on chromosome 17 where they are interspersed in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. The five genes share a remarkably high degree of sequence identity. Alternative splicing generates additional isoforms of each of the five growth hormones, leading to further diversity and potential for specialization. This particular family member is expressed in the pituitary but not in placental tissue as is the case for the other four genes in the growth hormone locus. Mutations in or deletions of the gene lead to growth hormone deficiency and short stature.

    • Synonyms

      GH1, GH, GHN, GH-N, hGH-N, Pituitary growth hormone, Growth hormone 1, Somatotropin.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Growth-Hormone Gilthead Seabream although stable at room temperature for at least two weeks, should be stored desiccated below -18°C. Upon reconstitution and filter sterilization GH can be stored at 4°C, pH 9 for up to 4 weeks. For long term storage and more diluted solutions it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized Growth-Hormone Gilthead Seabream in 0.4% NaHCO3 or water adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted to other aqueous solutions, preferably in a presence of a carrier protein such as BSA or similar.

    • Amino Acid Sequence

      AQPITDGQRLFSIAVSRVQHLHLLAQRLFSDFESSLQTEEQPQLNKIFLQ

      DFCNCDYIISPIDKHETQRSSVLKLLSISYRLVESWEFPSRSLSGGSAPR

      NQISPKLSELKTGIHLLIRANEDGAEIFPDRSALQLAPYGNYYQSLGTDE

      SLRRTYELLACFKKDMHKVETYLTVAKCRLSPEANCTL

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    Growth Hormone Seabream
  • View Data Sheet

    Description:

    Human Leptin

    OB Protein, Obesity Protein, OBS, Obesity factor, Leptin.

    Product # :

    CYT-683

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    • More Info

    Description

    Leptin Human produced syntheticaly contains 35 amino acids (22-56 a.a.) having a molecular mass of 3950.6 Dalton.

    Formulation

    The protein was lyophilized from a concentrated (1mg/ml) solution with no additives.

    Purity

    Greater than 95.0% as determined by RP-HPLC.

    More Info

    • Introduction

      A 16kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.

    • Synonyms

      OB Protein, Obesity Protein, OBS, Obesity factor, Leptin.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Leptin although stable at room temperature, should be stored desiccated below -20°C. Reconstituted Leptin is best stored refrigerated at 4°C.

    • Solubility

      The lyophilized Leptin is very soluble in water and most aqueous buffers below and above the isoelectric point.

    • Amino Acid Sequence

      Val-Pro-Ile-Gln-Lys-Val-Gln-Asp-Asp-Thr-Lys-Thr-Leu-Ile-Lys-Thr-Ile-Val-Thr-Arg-Ile-Asn-Asp-Ile-Ser-His-Thr-Gln-Ser-Val-Ser-Ser-Lys-Gln-Lys.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Leptin Synthetic