期刊
SEMINARS IN HEMATOLOGY
卷 58, 期 1, 页码 27-34出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.seminhematol.2020.12.002
关键词
TET-dioxygenases; MDS; Therapeutic targeting; Ascorbic Acid; IDH1/2
类别
资金
- NIH/NHLBI [R35HL135795-01, R01132071-01]
- Leukemia and Lymphoma Society (LLS) TRP
- LLS SCOR
- Taub Foundation
TET2 is commonly mutated in myeloid neoplasms, affecting myeloid differentiation and clonal expansion. Targeted therapies for TET2 mutations are lacking, but potential treatments include using vitamin C to compensate for TET-dioxygenase deficiency and exploiting the TET-deficient state for synthetic lethality.
TET2 is one of the most frequently mutated genes in myeloid neoplasms. TET2 loss-of-function perturbs myeloid differentiation and causes clonal expansion. Despite extensive knowledge regarding biochemical mechanisms underlying distorted myeloid differentiation, targeted therapies are lagging. Here we review known biochemical mechanisms and candidate therapies that emerge from this. Specifically, we discuss the potential utility of vitamin C to compensate for TET-dioxygenase deficiency, to thereby restore the biochemical function. An alternative approach exploits the TET-deficient state for synthetic lethality, exploiting the fact that a minimum level of TET-dioxygenase activity is required for cell survival, rendering TET2-mutant malignant cells selectively vulnerable to inhibitors of TET-function. (C) 2020 Elsevier Inc. All rights reserved.
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