IL 13 Mouse

IL 13 Mouse

Cytokines

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Description

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  • Name :

    IL 13 Mouse

    Description:

    Interleukin-13 Mouse Recombinant

    Interleukin-13, NC300, ALRH, BHR1, P600, IL-13, IL13.

    Product # :

    CYT-375

    Price :

    Quantity :

    Shipping Method :

    Room Temp Icon

    Shipped at Room temp

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  • description
  • source
  • formulation
  • purity
  • biological activity
  • More Info

Description

Interleukin-13 Mouse Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 111 amino acids and having a molecular mass of 12.3 kDa. The IL-13 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein (1mg/ml) was lyophilized in PBS, pH 7.2 and 5% trehalose.

Purity

Greater than 95% as determined by SDS-PAGE.

Biological Activity

The ED50 range=4 ng/ml, corresponding to a specific activity of 250,000IU/mg as determined by the dose dependent proliferation of TF-1 cells.

More Info

  • Introduction

    IL13 is an immunoregulatory cytokine produced primarily by activated Th2 cells. IL-13 is involved in several stages of B-cell maturation and differentiation. It up-regulates CD23 and MHC class II expression, and promotes IgE isotype switching of B cells. This cytokine down-regulates macrophage activity, thereby inhibits the production of pro-inflammatory cytokines and chemokines. This cytokine is found to be critical to the pathogenesis of allergen-induced asthma but operates through mechanisms independent of IgE and eosinophils. This gene, IL3, IL5, IL4, and CSF2 form a cytokine gene cluster on chromosome 5q, with this gene particularly close to IL4.

  • Synonyms

    Interleukin-13, NC300, ALRH, BHR1, P600, IL-13, IL13.

  • Physical Appearance

    Sterile Filtered White lyophilized (freeze-dried) powder.

  • Stability

    Lyophilized Interleukin-13 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL13 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 13 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

  • Amino Acid Sequence

    MPVPRSVSLP LTLKELIEEL SNITQDQTPL CNGSMVWSVD LAAGGFCVAL DSLTNISNCN AIYRTQRILH GLCNRKAPTT VSSLPDTKIE VAHFITKLLS YTKQLFRHGP F.

  • Protein content

    Protein quantitation was carried out by two independent methods:1. UV spectroscopy at 280 nm using the absorbency value of 0.69 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 a calibrated solution of IL-13 as a Reference Standard.

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 13 Mouse

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