Identification of highly selective type II kinase inhibitors with chiral peptidomimetic tails

Identification of highly selective type II kinase inhibitors is described. Two different chiral peptidomimetic scaffolds were introduced on the tail region of non-selective type II kinase inhibitor GNF-7 to enhance the selectivity. Kinome-wide selectivity profiling analysis showed that type II kinas...

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Veröffentlicht in:Journal of enzyme inhibition and medicinal chemistry 2022-12, Vol.37 (1), p.1257-1277
Hauptverfasser: Han, Seo-Jung, Jung, Jae Eun, Oh, Do Hee, Kim, Minsup, Kim, Jae-Min, Chung, Kyung-Sook, Han, Hee-Soo, Lee, Jeong-Hun, Lee, Kyung-Tae, Jeong, Hee Jin, Park, In Ho, Jeon, Eunkyeong, Shin, Jeon-Soo, Hwang, Dongkeun, Cho, Art E., Lee, Duck-Hyung, Sim, Taebo
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Sprache:eng
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Zusammenfassung:Identification of highly selective type II kinase inhibitors is described. Two different chiral peptidomimetic scaffolds were introduced on the tail region of non-selective type II kinase inhibitor GNF-7 to enhance the selectivity. Kinome-wide selectivity profiling analysis showed that type II kinase inhibitor 7a potently inhibited Lck kinase with great selectivity (IC 50 of 23.0 nM). It was found that 7a and its derivatives possessed high selectivity for Lck over even structurally conserved all Src family kinases. We also observed that 7a inhibited Lck activation in Jurkat T cells. Moreover, 7a was found to alleviate clinical symptoms in DSS-induced colitis mice. This study provides a novel insight into the design of selective type II kinase inhibitors by adopting chiral peptidomimetic moieties on the tail region.
ISSN:1475-6366
1475-6374
DOI:10.1080/14756366.2022.2068148