期刊
FRONTIERS IN ONCOLOGY
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2019.00210
关键词
TET2; SIRT1; DNA demethylation; DNA repair; DNA stability
类别
资金
- National Natural Youth Science Foundation of China [81400081]
- National Natural Science Foundation of China [81873424, 8197011220]
- Natural Science Foundation of Chongqing [cstc2019jcyj-msxm1114]
Over the last decade, investigation of Ten-Eleven Translocation 2 (TET2) gene function and TET2 mutation have become of increasing interest in the field of hematology. This heightened interest was sparked by the seminal discoveries that (1) TET2 mutation is associated with development of hematological malignancies and that (2) the TET family of proteins is critical in promoting DNA demethylation and immune homeostasis. Since then, additional studies have begun to unravel the question Does TET2 have additional biological functions in the regulation of hematopoiesis? Here, we present a mini-review focused on the current understanding of TET2 in hematopoiesis, hematological malignancies, and immune regulation. Importantly, we highlight the critical function that TET2 facilitates in maintaining the stability of the genome. Based on our review of the literature, we provide a new hypothesis that loss of TET2 may lead to dysregulation of the DNA repair response, augment genome instability, and subsequently sensitize myeloid leukemia cells to PARP inhibitor treatment.
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