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Chromogranin A / CHGA (Neuroendocrine Marker) Antibody - With BSA and Azide
Mouse Monoclonal Antibody [Clone SPM553 ]
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| IHC-P, IF, FC |
|---|---|
| Primary Accession | P10645 |
| Other Accession | 1113, 150793 |
| Reactivity | Human |
| Host | Mouse |
| Clonality | Monoclonal |
| Isotype | Mouse / IgG1, kappa |
| Clone Names | SPM553 |
| Calculated MW | 68-75kDa |
| Gene ID | 1113 |
|---|---|
| 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 |
| Application Note | IHC-P~~N/A IF~~1:50~200 FC~~1:10~50 |
| Format | 200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml. |
| Storage | Store at 2 to 8°C.Antibody is stable for 24 months. |
| Precautions | Chromogranin A / CHGA (Neuroendocrine Marker) Antibody - With BSA and Azide is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | CHGA |
|---|---|
| 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 | [Serpinin]: Secreted {ECO:0000250|UniProtKB:P26339}. Cytoplasmic vesicle, secretory vesicle {ECO:0000250|UniProtKB:P26339}. Note=Pyroglutaminated serpinin localizes to secretory vesicle. {ECO:0000250|UniProtKB:P26339} |
| Tissue Location | Detected in cerebrospinal fluid (at protein level) (PubMed:25326458). Detected in urine (at protein level) (PubMed:37453717). |
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Provided below are standard protocols that you may find useful for product applications.
Background
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.
References
Konecki DS et. al. J Biol Chem 1987;262:17026-30. | Lloyd RV et. al. Am J Pathol 1988; 130:296-304
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