Current hematologic malignancy reports · 2018
Emerging EZH2 Inhibitors and Their Application in Lymphoma.
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Lue Jennifer K, Amengual Jennifer E
Аннотация
PURPOSE OF REVIEW: Enhancer of Zeste Homolog 2 (EZH2) is histone methyltransferase and catalyzes the methylation of histone 3 lysine 27, a mark of transcriptional repression. Various studies have elucidated the complex role of EZH2 in both normal biology and tumorigenesis. Here, we critically review the emerging role of EZH2 in malignancies, the development of small molecule inhibitors of EZH2, and their application in lymphoma.
RECENT FINDINGS: Activating mutations and overexpression of EZH2 are found in non-Hodgkin lymphoma (NHL). As a result, several EZH2 inhibitors have been developed and entered clinical investigation. Tazemetostat, first-in-class EZH2 inhibitor, demonstrated enhanced clinical activity in mutant follicular lymphoma and diffuse large B cell lymphoma. With the early activity noted by tazemetostat in B cell lymphomas, the role of EZH2 inhibition in NHL is becoming more evident. This can be leveraged in future rationale combinations to enhance the activity of EZH2 inhibitors.
RECENT FINDINGS: Activating mutations and overexpression of EZH2 are found in non-Hodgkin lymphoma (NHL). As a result, several EZH2 inhibitors have been developed and entered clinical investigation. Tazemetostat, first-in-class EZH2 inhibitor, demonstrated enhanced clinical activity in mutant follicular lymphoma and diffuse large B cell lymphoma. With the early activity noted by tazemetostat in B cell lymphomas, the role of EZH2 inhibition in NHL is becoming more evident. This can be leveraged in future rationale combinations to enhance the activity of EZH2 inhibitors.