Transcriptional Factors Mediating Retinoic Acid Signals in the Control of Energy Metabolism

International Journal of Molecular Sciences

Rui Zhang¹  Yueqiao Wang³  Rui Li³  Guoxun Chen² 

[1] State Food and Drug Administration Hubei Center for Medical Equipment Quality Supervision and Testing, 666 High-Tech Avenue, Wuhan 430000, China; E-Mail:;Department of Nutrition, University of Tennessee at Knoxville, 1215 West Cumberland Avenue, Knoxville, TN 37996, USA; E-Mail:;Department of Nutrition and Food Hygiene, Wuhan University, 185 East Lake Road, Wuhan 430071, China; E-Mail:

关键词: vitamin A;    retinoic acid;    retinoic acid receptor;    retinoid X receptor;    hepatic nuclear factor 4α;    chicken ovalbumin upstream-transcription factor II;    peroxisome proliferator activated receptor β/δ;    metabolism;   

DOI  :  10.3390/ijms160614210

来源: mdpi

【 摘 要 】

Retinoic acid (RA), an active metabolite of vitamin A (VA), is important for many physiological processes including energy metabolism. This is mainly achieved through RA-regulated gene expression in metabolically active cells. RA regulates gene expression mainly through the activation of two subfamilies in the nuclear receptor superfamily, retinoic acid receptors (RARs) and retinoid X receptors (RXRs). RAR/RXR heterodimers or RXR/RXR homodimers bind to RA response element in the promoters of RA target genes and regulate their expressions upon ligand binding. The development of metabolic diseases such as obesity and type 2 diabetes is often associated with profound changes in the expressions of genes involved in glucose and lipid metabolism in metabolically active cells. RA regulates some of these gene expressions. Recently, in vivo and in vitro studies have demonstrated that status and metabolism of VA regulate macronutrient metabolism. Some studies have shown that, in addition to RARs and RXRs, hepatocyte nuclear factor 4α, chicken ovalbumin upstream promoter-transcription factor II, and peroxisome proliferator activated receptor β/δ may function as transcriptional factors mediating RA response. Herein, we summarize current progresses regarding the VA metabolism and the role of nuclear receptors in mediating RA signals, with an emphasis on their implication in energy metabolism.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.