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DNA Demethylation by TET Proteins: A Potential Therapeutic Target in Cancer

Abstract : DNA methylation in unique genomic regions like enhancers and promoters contributes to cell identity by silencing gene expression. Hence, establishment of cell-specific repertoires of active genes during cell differentiation or in response to extracellular signals may require erasure of this epigenetic mark. By their ability to hydroxylate the methyl group of 5-methylcytosine (5mC), Teneleven translocation (TET) proteins are part of the cellular machinery erasing DNA methylation through molecular mechanisms involving iterative oxidation of 5mC, base excision and repair. Here we review recent discoveries on TET functions and their role in regulating the genome activity to establish and maintain cell identity. We further describe how the TET-mediated processes are affected in cancer cells and propose possible strategies for the correction of these cancer-associated defects.
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Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Tuesday, March 28, 2017 - 2:23:01 PM
Last modification on : Wednesday, March 30, 2022 - 2:37:57 PM



Elise Mahe, Gilles Salbert. DNA Demethylation by TET Proteins: A Potential Therapeutic Target in Cancer. Epigenetic Diagnosis & Therapy, 2015, 1 (1), pp.49-59. ⟨10.2174/2214083201666150221002517⟩. ⟨hal-01497232⟩



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