Cortistatin-<wbr/>14 (trifluoro<wbr/>acetate salt)

Cortistatin-14 (trifluoroacetate salt)

CAT N°: 25074
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From 165.00 140.25

Cortistatin-14 is an endogenous neuropeptide agonist of somatostatin receptors (IC50s = 0.5-18.2 nM for human SST1-SST5 receptors expressed in CCL39 cells).{41724,38847} It is expressed in GABAergic interneurons in the cortex and hippocampus.{38847,38846} Cortistatin-14 competitively inhibits hexarelin binding to human growth hormone secretagogue receptors (GHS-R) in pituitary membranes (Ki = 0.54 ?M).{41725} It also activates the human Mas-related gene receptor MrgX2 expressed in HEK293 cells leading to quantifiable GTP-?S binding to the G protein subunit G?? (EC50 = 1.3 ?M).{41726} Cortistatin-14 (0.01-1 ?M), similarly to somatostatin-14 (Item No. 20809), completely inhibits thyrotropin-releasing hormone (TRH; Item No. 22917), and partially inhibits vasoactive intestinal peptide (VIP; Item No. 24996), stimulation of cAMP production in GH4 cells.{38846} In mice, cortistatin-14 dose-dependently (0.05-5 ?g, i.c.v.) impairs memory retention when administered after foot shock avoidance training.{41727} Cortistatin-14 (40-320 ?g/kg, s.c.) dose-dependently reduces growth hormone secretion in rats by greater than 80% after 10 minutes when administered at doses of 40-320 µg/kg.{41728}

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