西亚试剂：Tet1 Regulates Adult Hippocampal Neurogenesis and Cognition

Tet1 Regulates Adult Hippocampal Neurogenesis and Cognition

Run-Rui Zhang, Qing-Yan Cui, Kiyohito Murai, Yen Ching Lim, Zachary D. Smith, Shengnan Jin, Peng Ye, Luis Rosa, Yew Kok Lee, Hai-Ping Wu et al.

DNA hydroxylation catalyzed by Tet dioxygenases occurs abundantly in embryonic stem cells and neurons in mammals. However, its biological function in vivo is largely unknown. Here, we demonstrate that Tet1 plays an important role in regulating neural progenitor cell proliferation in adult mouse brain. Mice lacking Tet1 exhibit impaired hippocampal neurogenesis accompanied by poor learning and memory. In adult neural progenitor cells deficient in Tet1, a cohort of genes involved in progenitor proliferation were hypermethylated and downregulated. Our results indicate that Tet1 is positively involved in the epigenetic regulation of neural progenitor cell proliferation in the adult brain.

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