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ID: ALA4725483
Journal: ACS Med Chem Lett
Title: Simultaneous Inhibition of SIRT2 Deacetylase and Defatty-Acylase Activities via a PROTAC Strategy.
Authors: Hong JY,Jing H,Price IR,Cao J,Bai JJ,Lin H
Abstract: As a member of the sirtuin family of enzymes, SIRT2 promotes tumor growth and regulates various biological pathways through lysine deacetylation and defatty-acylation. In the past few years, many SIRT2-selective small molecule inhibitors have been developed, but none have demonstrated simultaneous inhibition of both SIRT2 activities in cells. To further scrutinize the physiological importance and significance of SIRT2 deacetylase and defatty-acylase activities, small molecules that can selectively inhibit both activities of SIRT2 in living cells are needed. Here, we have applied the Proteolysis Targeting Chimera (PROTAC) strategy and synthesized a new SIRT2 inhibitor (TM-P4-Thal) to degrade SIRT2 selectively, which led to simultaneous inhibition of its deacetylase and defatty-acylase activities in living cells. Additionally, this compound exemplifies the advantage of the PROTAC strategy that allows complete eradication of an enzyme and its activity in biological settings.
CiteXplore: 33214845