Chromogranin is a type of protein found primarily in neuroendocrine cells. There are three chromogranin proteins encoded by the CHGA (chromogranin A), CHGB (chromogranin B), and CHGC (chromogranin C) genes. What does chromogranin do? Chromogranins play important roles in the regulated secretion of hormones and specialized proteins called neuropeptides. They are present in small intracellular …
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