TargetMol

FAM3B Protein, Human, Recombinant (hFc)

Product Code:
 
TAR-TMPY-02640
Product Group:
 
Recombinant Proteins
Supplier:
 
TargetMol
Regulatory Status:
 
RUO
Shipping:
 
cool pack
Storage:
 
-20°C
1 / 1
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CodeSizePrice
TAR-TMPY-02640-50ug50ugEnquire
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  • Further Information
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Further Information

Bioactivity:
Pancreatic derived factor, also known as FAM3B, is an islet-specific secreted cytokine specifically expressed at high levels in the islets of Langerhans of the endocrine pancreas. FAM3B protein is present in alpha- and beta- cells of pancreatic islets, insulin-secreting beta-TC3 cells, and glucagon-secreting alpha-TC cells. FAM3B causes apoptosis of beta-cells as assessed by electron microscopy, annexin V fluorescent staining, and flow-cytometric terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay. FAM3B activated caspase-3 while not affect cytosolic Ca2+levels or nitric oxide levels. Hense, FAM3B may have a role in the process of pancreatic-cell apoptosis of primary islet and cell lines. FAM3B secretion is regulated by glucose and other insulin secretagogues. This islet-specific secreted cytokine is secreted from both pancreatic alpha- and beta- cells. Glucose stimulates FAM3B secretion dose dependently in beta- cell lines and primary islets but not in alpha-cells. It is likely cosecreted with insulin via the same regulatory mechanisms and structure and conformation is vital for FAM3B secretion.
Molecular Weight:
50 kDa (predicted)
Purity:
98%

References

1.Cao X, et al. (2003) Pancreatic-derived factor (FAM3B), a novel islet cytokine, induces apoptosis of insulin-secreting beta-cells. Diabetes. 52(9): 2296-303. 2.Yang J, et al. (2005) Mechanisms of glucose-induced secretion of pancreatic-derived factor (PANDER or FAM3B) in pancreatic beta-cells. Diabetes. 54(11): 3217-28. 3.Xu W, et al. (2005) Interferon-gamma-induced regulation of the pancreatic derived cytokine FAM3B in islets and insulin-secreting betaTC3 cells. Mol Cell Endocrinol. 240(1-2): 74-81.