Rabbit Chromogranin A/CHGA Polyclonal Antibody | anti-CHGA antibody

Chromogranin A/CHGA (Neuroendocrine Marker)

Cat. Num. AAA4380801

• Gene Names: CHGA; CGA
• Reactivity: Human; Does not react with Rat.
• Applications: Immunohistochemistry
• Purity: Purified Ab with BSA and Azide at 200ug/ml OR Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
• Synonyms: Chromogranin A/CHGA; Polyclonal Antibody; Chromogranin A/CHGA (Neuroendocrine Marker); Beta-Granin; CGA; CHGA; Chromogranin A Parathyroid Secretory Protein 1; ER-37; Pancreastatin; Parastatin; Parathyroid Secretory Protein 1; Pituitary Secretory Protein I; SP-I; Vasostatin I or II; anti-CHGA antibody

• Host: Rabbit
• Reactivity: Human; Does not react with Rat.
• Clonality: Polyclonal
• Isotype: IgG
• Specificity: Chromogranin A is present in neuroendocrine cells throughout the body, including the neuroendocrine cells of the large and small intestine, adrenal medulla and pancreatic islets. It is an excellent marker for carcinoid tumors, pheochromocytomas, paragangliomas, and other neuroendocrine tumors. Co-expression of chromogranin A and neuron specific enolase (NSE) is common in neuroendocrine neoplasms. Reportedly, co-expression of certain keratins and chromogranin indicates neuroendocrine lineage. The presence of strong anti-chromogranin staining and absence of anti-keratin staining should raise the possibility of paraganglioma. The co-expression of chromogranin and NSE is typical of neuroendocrine neoplasms. Most pituitary adenomas and prolactinomas readily express chromogranin.
• Purity/Purification: Purified Ab with BSA and Azide at 200ug/ml OR Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
• Form/Format: 200ug/ml of Ab Purified by Protein A. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.
• Sequence Length: 457

• Applicable Applications for anti-CHGA antibody: Immunohistochemistry (IHC) Paraffin
• Application Notes: Immunohistochemistry (Formalin-fixed) (0.25-0.5ug/ml for 30 minutes at RT) (Staining of formalin-fixed tissues is ENHANCED by boiling tissue sections in 10mM Citrate Buffer, pH 6.0, for 10-20 min followed by cooling at RT for 20 minutes)
• Positive Control: PC12 cells. Adrenal gland, bowel, parathyroid, pancreas or pheochromocytoma.
• Immunogen: Recombinant human chromogranin A protein
• Cellular Localization: Finely granular cytoplasmic
• Hu-chromosome Location: 14q32.12
• Preparation and Storage: Antibody with azide: store at 2 to 8 degree C.; Antibody without azide: store at -20 to -80 degree C.; Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Immunohistochemistry (IHC)

(Formalin-fixed, paraffin-embedded human Parathyroid stained with Chromogranin A Rabbit Polyclonal Antibody.)

References

1. Lloyd RV et. al. Am J Pathol 1988; 130:296-304. 2. Konecki DS et. al. J Biol Chem 1987;262:17026-30.

NCBI and Uniprot Product Information

• NCBI GI #: 4502805
• NCBI GeneID: 1113
• NCBI Accession #: NP_001266.1
• NCBI GenBank Nucleotide #: NP_001266.1
• UniProt Accession #: P10645
• Molecular Weight: 68-75kDa
• NCBI Official Full Name: chromogranin-A isoform 1 preproprotein
• NCBI Official Synonym Full Names: chromogranin A
• NCBI Official Symbol: CHGA
• NCBI Official Synonym Symbols: CGA
• NCBI Protein Information: chromogranin-A
• UniProt Protein Name: Chromogranin-A
• Protein Family: Chromogranin
• UniProt Gene Name: CHGA
• UniProt Synonym Gene Names: CgA; SP-I
• UniProt Entry Name: CMGA_HUMAN

NCBI 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. Two other peptides, catestatin and chromofungin, have antimicrobial activity and antifungal activity, respectively. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2014]

Uniprot Description

CHGA: a member of the chromogranin/secretogranin family of neuroendocrine secretory proteins. It is found in secretory vesicles of neurons and endocrine cells and is a precursor to multiple biologically active peptides including vasostatin, pancreastatin, and chromostatin. Binds calcium with a low-affinity. Vasostatin negatively regulates angiogenesis and has antibacterial activity against some Gram-positive bacteria. Pancreastatin inhibits glucose induced insulin release from the pancreas. Chromostatin inhibits catecholamine release from chromaffin cells.

Protein type: Secreted, signal peptide; Vesicle; Cell adhesion; Secreted

Chromosomal Location of Human Ortholog: 14q32

Cellular Component: perinuclear region of cytoplasm; extracellular region; secretory granule

Biological Process: regulation of blood pressure