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ID: ALA1133880
Journal: Bioorg Med Chem Lett
Title: Spiro(indoline-3,4'-piperidine) growth hormone secretagogues as ghrelin mimetics.
Authors: Palucki BL, Feighner SD, Pong S, McKee KK, Hreniuk DL, Tan C, Howard AD, Van der Ploeg LH, Patchett AA, Nargund RP.
Abstract: A series of small molecules derived from MK-0677, a potent synthetic GHS, mimicking the N-terminal Gly-Ser-O-(n-octanoyl)-L-Ser-Phe segment of ghrelin was synthesized and tested in a binding and in a functional assay measuring intracellular calcium elevation in HEK-293 cells expressing hGHSR1a. Replacement of Phe in this tetrapeptide with a spiro(indoline-3,4'-piperidine) group, Gly-Ser with 2-aminoisobutyric acid, and O-(n-octanoyl)-L-Ser with O-benzyl-D-Ser provided synthetic GHS agonists with similar functional potency as ghrelin.
CiteXplore: 11459669