Prolonged and tunable residence time using reversible covalent kinase inhibitors.

Prolonged and tunable residence time using reversible covalent kinase inhibitors.
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DOI:
10.1038/nchembio.1817
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发表时间:
2015-07
影响因子:
14.8
通讯作者:
Taunton J
Taunton J
中科院分区:
生物学1区
文献类型:
--
作者:
Bradshaw JM;McFarland JM;Paavilainen VO;Bisconte A;Tam D;Phan VT;Romanov S;Finkle D;Shu J;Patel V;Ton T;Li X;Loughhead DG;Nunn PA;Karr DE;Gerritsen ME;Funk JO;Owens TD;Verner E;Brameld KA;Hill RJ;Goldstein DM;Taunton J

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Drugs with prolonged, on-target residence time often show superior efficacy, yet general strategies for optimizing drug-target residence time are lacking. Here, we demonstrate progress toward this elusive goal by targeting a noncatalytic cysteine in Bruton's tyrosine kinase (BTK) with reversible covalent inhibitors. Utilizing an inverted orientation of the cysteine-reactive cyanoacrylamide electrophile, we identified potent and selective BTK inhibitors that demonstrate biochemical residence times spanning from minutes to 7 days. An inverted cyanoacrylamide with prolonged residence time in vivo remained bound to BTK more than 18 hours after clearance from the circulation. The inverted cyanoacrylamide strategy was further utilized to discover fibroblast growth factor receptor (FGFR) kinase inhibitors with residence times of several days, demonstrating generalizability of the approach. Targeting noncatalytic cysteines with inverted cyanoacrylamides may serve as a broadly applicable platform that facilitates “residence time by design”, the ability to modulate and improve the duration of target engagement in vivo.
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