ASXL2 Regulates Glucose, Lipid, and Skeletal Homeostasis.
ASXL2 Regulates Glucose, Lipid, and Skeletal Homeostasis.
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DOI:
10.1016/j.celrep.2015.05.019
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发表时间:
2015-06-16
期刊:
影响因子:
8.8
通讯作者:
Zou W
中科院分区:
文献类型:
--
作者:
Izawa T;Rohatgi N;Fukunaga T;Wang QT;Silva MJ;Gardner MJ;McDaniel ML;Abumrad NA;Semenkovich CF;Teitelbaum SL;Zou W
ASXL2 is an ETP family protein that interacts with PPARγ. We find that ASXL2−/− mice are insulin resistant, lipodystrophic and fail to respond to a high fat diet. Consistent with genetic variation at the ASXL2 locus and human bone mineral density, ASXL2−/− mice are also severely osteopetrotic due to failed osteoclast differentiation attended by normal bone formation. ASXL2 regulates the osteoclast via two distinct signaling pathways. It induces osteoclast formation in a PPARγ/c-Fos-dependent manner and is required for RANK ligand- and thiazolidinedione-induced bone resorption, independent of PGC-1β. ASXL2 also promotes osteoclast mitochondrial biogenesis in a process mediated by PGC-1β but independent of c-Fos. Thus, ASXL2 is a master regulator of skeletal, lipid and glucose homeostasis.
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影响因子:
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作者:
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Spiegelman, BM