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Chromogranin A, NT (CGA, CHG A, Pancreastatin, Parathyroid Secretory Protein 1, Pituitary Secretory Protein I, Vasostatin, SPI)

Chromogranin A, NT (CGA, CHG A, Pancreastatin, Parathyroid Secretory Protein 1, Pituitary Secretory Protein I, Vasostatin, SPI)

Cat no: C5069-97P

Supplier: United States Biological
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Chromogranin A (CgA) is an 86kDa protein that is the major member of the granin family of acidic secretory glycoproteins located in neuroendocrine cells. CgA is believed to play a role in targeting peptide hormones and neurotransmitters to granules of the regulated pathways and inhibit hormone and neurotransmitter release (1). Also, the widespread distribution of CgA has made the measurement of circulating immunoreactive CgA a valuable tool in the diagnosis of neuroendocrine neoplasia, and CgA immunohistochemistry can help to identify the neuroendocrine nature of tumors. The N-terminal domain of CgA inhibits tumor necrosis factor a (TNFa) induced gap formation in human umbilical venous endothelial cells (2). CgA levels which reflect neuroendocrine differentiation of prostatic carcinoma may have a diagnostic, therapeutic and prognostic role in the management of prostate cancer patients (3). Applications: Suitable for use in Western Blot, Immunohistochemistry and Immunocytochemistry. Other applications not tested. Recommended Dilution: Western Blot: 1:10,000 Immunohistochemistry: 1:100-1:250 Immunocytochemistry: 1:50-1:100 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage, aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Catalogue number: C5069-97P
Reactivities: Human, Mouse
Hosts: Rabbit
Applications: Immunocytochemistry, Immunohistochemistry, Western Blot
Size: 100ul
Form: Supplied as a liquid in 50 mM Tris-Glycine (pH 7.4), 0.15 M sodium chloride, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
P type: Pab
Isotype: IgG
Purity: Purified by immunoaffinity chromatography.
References: 1. Kim T, et al. J Clin Invest 115:1711-1713, 2005. 2. Eskeland NL, J Clin Invest 98:148-156, 1996. 3. Taupenot L, et al. N. Engl. J. Med. 348:1134-1149, 2003. 4. Berruti A, et al. Cancer 88:2590-2597, 2000.
Additional info: Recognizes human Chromogranin A. Species Crossreactivity: Mouse.

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