Mapping kinase domain resistance mechanisms for the MET receptor tyrosine kinase via deep mutational scanning.

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Tác giả: John A Capra, Karson M Chrispens, Eric A Collisson, Willow Coyote-Maestas, Gabriella O Estevam, James S Fraser, Natalia Jura, Edmond Linossi, Christian B Macdonald, Harold Pimentel, Jingyou Rao, Ashraya Ravikumar

Ngôn ngữ: eng

Ký hiệu phân loại: 920.71 Men

Thông tin xuất bản: England : eLife , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 181072

Mutations in the kinase and juxtamembrane domains of the MET Receptor Tyrosine Kinase are responsible for oncogenesis in various cancers and can drive resistance to MET-directed treatments. Determining the most effective inhibitor for each mutational profile is a major challenge for MET-driven cancer treatment in precision medicine. Here, we used a deep mutational scan (DMS) of ~5764 MET kinase domain variants to profile the growth of each mutation against a panel of 11 inhibitors that are reported to target the MET kinase domain. We validate previously identified resistance mutations, pinpoint common resistance sites across type I, type II, and type I ½ inhibitors, unveil unique resistance and sensitizing mutations for each inhibitor, and verify non-cross-resistant sensitivities for type I and type II inhibitor pairs. We augment a protein language model with biophysical and chemical features to improve the predictive performance for inhibitor-treated datasets. Together, our study demonstrates a pooled experimental pipeline for identifying resistance mutations, provides a reference dictionary for mutations that are sensitized to specific therapies, and offers insights for future drug development.
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