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单词 Tyrphostins
释义

Tyrphostins

英语百科

Tyrosine-kinase inhibitor

Crystal structure of the second generation Bcr-Abl tyrosine-kinase inhibitor nilotinib (red) in complex with an Abl kinase domain (blue). Nilotinib is used to treat chronic myelogenous leukemia (CML), a hematological malignancy.

A tyrosine kinase inhibitor (TKI) is a pharmaceutical drug that inhibits tyrosine kinases. Tyrosine kinases are enzymes responsible for the activation of many proteins by signal transduction cascades. The proteins are activated by adding a phosphate group to the protein (phosphorylation), a step that TKIs inhibit. TKIs are typically used as anticancer drugs. For example, they have substantially improved outcomes in chronic myelogenous leukemia.

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