For immunochemical detection of chromogranin A
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Chromogranin A (N-Term) Rabbit Monoclonal Antibody (Clone RM385)

Item No. 32312

Technical Information
Synonyms
  • CGA
  • Parathyroid Secretory Protein 1
  • Pituitary Secretory Protein 1
Immunogen
Peptide from the N-terminal region of human chromogranin A
Clone Designation
RM385
100 µl of protein A-affinity purified monoclonal antibody
Storage Buffer
PBS with 50% glycerol, 1% BSA, and 0.09% sodium azide
Host
Rabbit
Isotype
IgG
Applications
IHC, WB
Cross Reactivity
(+) Chromogranin A
Species Reactivity
(+) Human
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    Product Description

    Chromogranin A is a glycoprotein and member of the chromogranin/secretogranin family of neuroendocrine secretory proteins that is encoded by CHGA in humans.1,2,3 It is expressed in endocrine, neuroendocrine, and immune cells and localized to secretory granules. Chromogranin A is composed of multiple peptide domains and is proteolytically cleaved by prohormone convertases, plasmin, kallikrein, and cathepsin L to generate various bioactive peptides, including pacreastatin, vasostatin-1, catestatin, and serpinin, which have roles in insulin sensitivity, vasodilation, inflammation, and cardiac contractility, respectively. Plasma levels of chromogranin A are increased in patients with hypertension, inflammatory bowel disease, rheumatoid arthritis, and severe sepsis, as well as carcinoid, pancreatic islet, or thyroid tumors.3 Cayman’s Chromogranin A (N-Term) Rabbit Monoclonal Antibody (Clone RM385) can be used for immunohistochemistry (IHC) and Western blot (WB) applications.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Di Giacinto, P., Rota, F., Rizza, L., et al. Chromogranin A: From laboratory to clinical aspects of patients with neuroendocrine tumors. Int. J. Endocrinol. 8126087 (2018).

    2. Eissa, N., Hussein, H., Hendy, G.N., et al. Chromogranin-A and its derived peptides and their pharmacological effects during intestinal inflammation. Biochem. Pharmacol. 152, 315-326 (2018).

    3. Mahata, S.K., and Corti, A. Chromogranin A and its fragments in cardiovascular, immunometabolic, and cancer regulation. Ann. N. Y. Acad. Sci. 1455(1), 34-58 (2019).