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Park S Park SH Baek JY Jy YJ Kim KS Roth J Cho JW Choe KM 《Cellular and molecular life sciences : CMLS》2011,68(20):3377-3384
Modification of nuclear and cytosolic proteins by O-linked N-acetylglucosamine (O-GlcNAcylation) is ubiquitous in cells. The in vivo function of the protein O-GlcNAcylation, however, is not well understood. Here, we manipulated the cellular O-GlcNAcylation level in Drosophila and found that it promotes developmental growth by enhancing insulin signaling. This increase in growth is due mainly to
cell growth and not to cell proliferation. Our data suggest that the increase in the insulin signaling activity is mediated,
at least in part, through O-GlcNAcylation of Akt. These results indicate that O-GlcNAcylation is one of the crucial mechanisms involved in control of insulin signaling during Drosophila development. 相似文献
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