CEA Protein

CEACAM5, Meconium Antigen 100, Carcinoembryonic Antigen, CD66e Antigen, CD66e, Carcinoembryonic Antigen, CEA, oncofetal antigen.

CEA produced from patient source colon carcinoma liver metastatic tissue can be used as general marker in screening and monitoring malignant disease states.

Liver tissue.

Sterile Filtered colorless solution.

CEA protein solution contains 0.1M PBS, pH 7.4, 0.09 % NaN3 and 2 % methyl-mannoside.

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.

Greater than 95.0% as determined by SDS-PAGE.

Blood samples from tissue donors were tested and found to be negative for HBsAg, HIV-1 and HIV-2 antibodies and HCV.

SDS

Carcinoembryonic Antigen, commonly known as CEA, is a glycoprotein that was initially identified as a tumor marker. Over the years, research into CEA has unveiled its intricate involvement in various physiological processes, not only in cancer but also in the context of normal development and inflammatory conditions. This research aims to delve into the multifaceted roles of CEA, exploring its structural intricacies, regulatory mechanisms, and its implications in health, disease, and beyond.

Structural Complexity of CEA:

CEA, belonging to the immunoglobulin superfamily, is a complex glycoprotein featuring multiple structural domains. Its diverse forms and glycosylation patterns contribute to its functional versatility. CEA is primarily expressed in fetal tissues, but its presence is often detected in adults under pathological conditions, especially in various types of cancer.

CEA in Cancer Biology:

CEA was first recognized as a biomarker for colorectal cancer, but its overexpression is not limited to this context. Elevated CEA levels have been associated with several other malignancies, including breast, lung, and pancreatic cancers. CEA’s involvement in cancer biology ranges from promoting angiogenesis and metastasis to inhibiting immune responses, making it a critical player in tumor progression and evasion.

Beyond Cancer: CEA in Development and Inflammation:

While CEA’s role in cancer is prominent, recent studies have uncovered its participation in normal physiological processes. During embryonic development, CEA is involved in cell adhesion, contributing to tissue organization and morphogenesis. Additionally, CEA expression can be induced in inflammatory conditions, suggesting its involvement in immune responses and tissue repair mechanisms.

CEA as a Diagnostic and Therapeutic Target:

The diverse expression patterns of CEA in various diseases make it a valuable diagnostic tool. CEA assays are widely used for cancer screening, monitoring disease progression, and assessing treatment efficacy. Moreover, CEA’s presence on the surface of cancer cells has made it a target for immunotherapy, enabling the development of targeted therapies aimed at specifically eradicating CEA-positive tumor cells.