Phosphorylation of ULK1 by AMPK is essential for mouse embryonic stem cell self-renewal and pluripotency.
Phosphorylation of ULK1 by AMPK is essential for mouse embryonic stem cell self-renewal and pluripotency.
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AMPK 对 ULK1 的磷酸化对于小鼠胚胎干细胞的自我更新和多能性至关重要。
DOI:
10.1038/s41419-017-0054-z
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发表时间:
2018-01-18
影响因子:
9
通讯作者:
Zhao T
中科院分区:
文献类型:
--
作者:
Gong J;Gu H;Zhao L;Wang L;Liu P;Wang F;Xu H;Zhao T
Autophagy is a catabolic process to degrade both damaged organelles and aggregated proteins in somatic cells. We have recently identified that autophagy is an executor for mitochondrial homeostasis in embryonic stem cell (ESC), and thus contribute to stemness regulation. However, the regulatory and functional mechanisms of autophagy in ESC are still largely unknown. Here we have shown that activation of ULK1 by AMPK is essential for ESC self-renewal and pluripotency. Dysfunction of Ulk1 decreases the autophagic flux in ESC, leading to compromised self-renewal and pluripotency. These defects can be rescued by reacquisition of wild-type ULK1 and ULK1(S757A) mutant, but not ULK1(S317A, S555A and S777A) and kinase dead ULK1(K46I) mutant. These data indicate that phosphorylation of ULK1 by AMPK, but not mTOR, is essential for stemness regulation in ESC. The findings highlight a critical role for AMPK-dependent phosphorylation of ULK1 pathway to maintain ESC self-renewal and pluripotency.
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DOI:
10.1126/science.1196371
发表时间:
2011-01-28
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Egan DF;Shackelford DB;Mihaylova MM;Gelino S;Kohnz RA;Mair W;Vasquez DS;Joshi A;Gwinn DM;Taylor R;Asara JM;Fitzpatrick J;Dillin A;Viollet B;Kundu M;Hansen M;Shaw RJ
通讯作者:
Shaw RJ
影响因子:
21.3
作者:
通讯作者:
--
影响因子:
3.3
作者:
Jung, Chang Hwa;Jun, Chang Bong;Kim, Do-Hyung
通讯作者:
Kim, Do-Hyung
DOI:
10.1073/pnas.1005847107
发表时间:
2010-07-27
影响因子:
11.1
作者:
Moretto-Zita, Matteo;Jin, Hua;Xu, Yang
通讯作者:
Xu, Yang
DOI:
10.1083/jcb.200412022
发表时间:
2005-05-09
期刊:
The Journal of cell biology
影响因子:
--
作者:
Komatsu M;Waguri S;Ueno T;Iwata J;Murata S;Tanida I;Ezaki J;Mizushima N;Ohsumi Y;Uchiyama Y;Kominami E;Tanaka K;Chiba T
通讯作者:
Chiba T