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A non‐covalent inhibitor XMU‐MP‐3 overrides ibrutinib‐resistant BtkC481S mutation in B‐cell malignancies

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Bruton's tyrosine kinase (BTK) plays a key role in B‐cell receptor signalling by regulating cell proliferation and survival in various B‐cell malignancies. Covalent low‐MW BTK kinase inhibitors have shown impressive… Click to show full abstract

Bruton's tyrosine kinase (BTK) plays a key role in B‐cell receptor signalling by regulating cell proliferation and survival in various B‐cell malignancies. Covalent low‐MW BTK kinase inhibitors have shown impressive clinical efficacy in B‐cell malignancies. However, the mutant BtkC481S poses a major challenge in the management of B‐cell malignancies by disrupting the formation of the covalent bond between BTK and irreversible inhibitors, such as ibrutinib. The present studies were designed to develop novel BTK inhibitors targeting ibrutinib‐resistant BtkC481S mutation.

Keywords: resistant btkc481s; btkc481s mutation; cell malignancies; ibrutinib resistant; cell

Journal Title: British Journal of Pharmacology
Year Published: 2019

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