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Recent achievements in developing selective G q inhibitors

Recent achievements in developing selective G q inhibitors

Hang Zhang, Alexander L Nielsen, Kristian Strømgaard

Med Res Rev. 2020 Jan;40(1):135-157.

PMID: 31218731

Abstract:

G proteins are key mediators of G protein-coupled receptor (GPCR) signaling, facilitating a plethora of important physiological processes. The role of G proteins is much less understood than other aspects of GPCR function, which is largely due to the shortage of potent and selective G protein inhibitors. The natural cyclic depsipeptides YM-254890 and FR900359 are two of the very few known selective inhibitors of the Gq subfamily, and are used as unique pharmacological tools in the study of G q -mediated signaling. Moreover, a peptide-based G protein antagonist-2A (GP-2A), a 27-residue peptide (27mer(I860A)) derived from phospholipase C-β3 (PLC-β3), and the small molecule BIM-46187 have also been characterized as selective G q inhibitors within the past 5 years. In this review, we highlight the recent development in chemical syntheses, characterization, and mechanism of action of these selective G q inhibitors. The development and application of G q -selective inhibitors will expand our knowledge of the structure and function of G protein-mediated signaling, shed light on the development of inhibitors for other G protein classes, and feed in to drug discovery for diseases where G proteins are implicated, including various forms of cancer.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP143675790	G Protein Antagonist		143675-79-0	Price

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