<P><B>Getting a Sugar Rush from Arginine Methylation</B></P><P>Fasting causes the liver to produce and release glucose into the bloodstream, a process called gluconeogenesis. Fasting triggers the transcriptional activatio...
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https://www.riss.kr/link?id=A107489640
2014
-
SCIE
학술저널
19-19(1쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Getting a Sugar Rush from Arginine Methylation</B></P><P>Fasting causes the liver to produce and release glucose into the bloodstream, a process called gluconeogenesis. Fasting triggers the transcriptional activatio...
<P><B>Getting a Sugar Rush from Arginine Methylation</B></P><P>Fasting causes the liver to produce and release glucose into the bloodstream, a process called gluconeogenesis. Fasting triggers the transcriptional activation of genes encoding gluconeogenic enzymes by CREB (cAMP response element–binding protein) and its coactivator CRTC2 (CREB-regulated transcription coactivator 2). Han <I>et al.</I> found that CRTC2 was targeted by the arginine methyltransferase PRMT6. In cells, arginine methylation of CRTC2 enhanced the association of CRTC2 with CREB and increased CREB activity. In mice, overexpression of PRMT6 increased the expression of genes encoding gluconeogenic enzymes and blood glucose concentrations, effects that required CRTC2. Obesity or insulin resistance leads to higher blood glucose concentrations, and acute deletion of PRMT6 restored blood glucose concentrations to normal in mice that were obese or insulin-resistant either through genetics or diet. Thus, hyperglycemia triggered by obesity or diet could be controlled by inhibiting the arginine methylation of CRTC2 by PRMT6.</P>