|Application ||WB, E|
|Description||The protein encoded by this gene is a member of the chromogranin/secretogranin family of neuroendocrine secretory proteins. It is found in secretory vesicles of neurons and endocrine cells. This gene product is a precursor to three biologically active peptides; vasostatin, pancreastatin, and parastatin. These peptides act as autocrine or paracrine negative modulators of the neuroendocrine system. Other peptides, including chromostatin, beta-granin, WE-14 and GE-25, are also derived from the full-length protein. However, biological activities for these molecules have not been shown.|
|Immunogen||Purified recombinant fragment of human CHGA (AA: 87-252 ) expressed in E. Coli.|
|Formulation||Purified antibody in PBS with 0.05% sodium azide|
|Other Names||Chromogranin-A, CgA, Pituitary secretory protein I, SP-I, Vasostatin-1, Vasostatin I, Vasostatin-2, Vasostatin II, EA-92, ES-43, Pancreastatin, SS-18, WA-8, WE-14, LF-19, AL-11, GV-19, GR-44, ER-37, CHGA|
WB~~1/500 - 1/2000
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||CHGA Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Pancreastatin: Strongly inhibits glucose induced insulin release from the pancreas. Serpinin: Regulates granule biogenesis in endocrine cells by up-regulating the transcription of protease nexin 1 (SERPINE2) via a cAMP-PKA-SP1 pathway. This leads to inhibition of granule protein degradation in the Golgi complex which in turn promotes granule formation.|
|Cellular Location||Cytoplasmic vesicle, secretory vesicle lumen. Cytoplasmic vesicle, secretory vesicle membrane. Secreted. Note=Associated with the secretory granule membrane through direct interaction to SCG3 that in turn binds to cholesterol-enriched lipid rafts in intragranular conditions.|
|Tissue Location||GE-25 is found in the brain.|
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Provided below are standard protocols that you may find useful for product applications.
1.Cell Signal. 2012 Jan;24(1):233-46. 2.J Endocrinol Invest. 2010 Mar;33(3):186-91.
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