Abcam, ab12242, Anti-Chromogranin B antibody

Size: 100µL
Rabbit Polyclonal Chromogranin B antibody. Suitable for WB, IHC-P and reacts with Mouse, Rat, Human samples. Cited in 11 publications. Immunogen corresponding to Synthetic Peptide within Human CHGB aa 600 to C-terminus conjugated to Ovalbumin.
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Human, Mouse, Rat,
Applications:IHC-P, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Synthetic Peptide within Human CHGB aa 600 to C-terminus conjugated to Ovalbumin. The exact immunogen used to generate this antibody is proprietary information.P05060

Properties and Storage Information:
Form-Liquid, Purity-Whole antiserum, Storage buffer-Constituents: Whole serum, Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Chromogranin B also known as secretogranin I is a member of the granin protein family and is sometimes referred to alongside chromogranin A and other chromogranins. Chromogranin B is a secretory protein with a known mass of approximately 80 kDa. This protein expresses primarily in neuroendocrine cells where it localizes to the secretory granules. Chromogranins including chromogranin B play a role in the formation and stabilization of secretory granules important for storing and releasing peptide hormones and neuropeptides.
Biological function summary
Chromogranin B functions beyond merely being a constituent of secretory granules. It plays a role in the regulation of neuroendocrine secretion processes and interacts with the chromogranin core complex. This complex is involved in the packaging and sorting of peptides and hormones within cells. Chromogranin B also exhibits roles in modulating calcium-binding dynamics which is critical for cellular signaling and hormone secretion. Unlike chromogranin A chromogranin B is less abundant but still significant for cellular processes.
Pathways
Chromogranin B prominently aligns with the secretory pathway associated with neuroendocrine tissues. This pathway involves several proteins like chromogranin A that often work alongside chromogranin B to influence hormone release. Another pathway where chromogranin B plays a role involves the regulation of catecholamine release vital for stress responses. This particular involvement with catecholamines links chromogranin B to its role in neurotransmitter regulation.
Chromogranin B shows an association with conditions such as neuroendocrine tumors and hypertension. In neuroendocrine tumors chromogranin B can serve as a biomarker since its levels often elevate in these conditions akin to chromogranin A. Hypertension studies suggest connections between chromogranin B and the dysregulation of catecholamine release impacting blood pressure regulation. Understanding the role of chromogranin B and its related proteins can help in diagnosing and potentially targeting these disorders.