(Des-<wbr/>octanoyl)-<wbr/>Ghrelin (human) (trifluoro<wbr/>acetate salt)

(Des-octanoyl)-Ghrelin (human) (trifluoroacetate salt)

CAT N°: 25010
Price:

237.00 201.45

Ghrelin is an endogenous gastrointestinal hormone and neuropeptide that binds to the growth hormone (GH) secretagogue receptor (GHS-R).{7811,37391} Ghrelin requires an n-octanoyl modification at serine 3 for binding to the growth hormone (GH) secretagogue receptor (GHS-R).{40067} (Des-octanoyl)-ghrelin (human) is a form of ghrelin that is lacking the octanoyl group at serine 3. It is located in the mouse stomach and is expressed at a lower level than octanoyl ghrelin.{41730} (Des-octanoyl)-ghrelin activates GHS-R by only 41% when used at 10 µM (IC50 = >10,000 nM; EC50 = >10,000 nM for increasing calcium accumulation).{41729} It induces bone marrow adipogenesis in rat models of growth hormone deficiency.{41731} (Des-octanoyl)-ghrelin also inhibits cell proliferation in estrogen-dependent MCF-7 breast cancer cells (EC50 = 0.81 µM) but induces proliferation of a somatotroph pituitary tumor cell line, an effect that can be blocked by MAPK, PKC, and tyrosine kinase inhibitors.{41732,41733}

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