Gastrin-releasing peptide is a regulatory human peptide that elicits gastrin release and regulates gastric acid secretion and enteric motor function. The post-ganglionic fibers of the vagus nerve that innervate the G cells of the stomach release GRP, which stimulates the G cells to release gastrin.

Adrenocorticotropic hormones (ACTH). ACTH stimulates the adrenal cortex and the secretion of glucocorticoids such as cortisol.

TC-A 2317 hydrochloride is an inhibitor of Aurora kinase A with a Ki of 1.2 nM compared to Aurora kinase B with a Ki of 101 nM. TC-A 2317 hydrochloride shows antitumor activity.