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Thromboxane A2 receptor is a member of the G protein-coupled receptor superfamily. It performs an essential role in hemostasis by interacting with thromboxane A2 to induce platelet aggregation. Thromboxane A2 is an arachidonic acid metabolite produced by the action of thromboxane synthase on prostaglandin endoperoxide H(2) (PGH(2)), which results from the enzymatic transformation of arachidonic acid by the cyclooxygenases (COX-1 and COX-2). In humans Thromboxane A2 signals through two distinct

Somatostatins are peptide hormones that regulate diverse cellular functions such as neurotransmission, cell proliferation, and endocrine signaling as well as inhibiting the release of many hormones and other secretory proteins. Somatostatin has two active forms of 14 and 28 amino acids. The biological effects of somatostatins are mediated by a family of G-protein coupled somatostatin receptors that are expressed in a tissue-specific manner. The protein encoded by this gene is a member of the