Carbon metabolism-mediated myogenic differentiation.

Carbon metabolism-mediated myogenic differentiation.
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DOI:
10.1038/nchembio.301
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发表时间:
2010-03
影响因子:
14.8
通讯作者:
Schreiber, Stuart L.
Schreiber, Stuart L.
中科院分区:
生物学1区
文献类型:
--
作者:
Bracha, Abigail L.;Ramanathan, Arvind;Huang, Sui;Ingber, Donald E.;Schreiber, Stuart L.

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营养和代谢在细胞分化中的作用知之甚少。利用RNAi筛选、代谢谱分析和小分子探针,我们发现了三种代谢酶,其敲低诱导小鼠C2 C12成肌细胞分化,即使在存在有丝分裂原的情况下:磷酸甘油酸激酶(Pgk 1)、己糖-6-磷酸脱氢酶(H6 pd)和ATP柠檬酸裂解酶(Acl)。这些酶及其调节的途径为控制成肌细胞和横纹肌肉瘤细胞的肌源性分化提供了新的靶点。
The role of nutrients and metabolism in cellular differentiation is poorly understood. Using RNAi screening, metabolic profiling and small-molecule probes, we discovered three metabolic enzymes whose knockdown induces differentiation of mouse C2C12 myoblasts even in the presence mitogens: phosphoglycerate kinase (Pgk1), hexose-6-phosphate dehydrogenase (H6pd) and ATP citrate lyase (Acl). These enzymes and the pathways they regulate provide novel targets for the control of myogenic differentiation in myoblasts and rhabdomyosarcoma cells.
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