孕烷X受体
核受体
平衡
新陈代谢
转录因子
脂质代谢
葡萄糖稳态
细胞生物学
碳水化合物代谢
化学
生物
药理学
生物化学
内分泌学
糖尿病
基因
胰岛素抵抗
作者
A Moreau,Marie‐José Vilarem,Patrick Maurel,Jean‐Marc Pascussi
摘要
Xenobiotic and drug metabolism and transport are managed by a large number of genes coordinately regulated by at least three nuclear receptors or xenosensors: aryl hydrocarbon receptor (AhR), constitutive androstane receptor (CAR, NR1I3), and pregnane X receptor (PXR, NR1I2). Initially characterized as xenosensors, it is now evident that CAR and PXR also trigger pleiotropic effects on liver function. Recent studies have shown the existence of crosstalk between xenosensors and other nuclear receptors or transcription factors controlling endogenous signaling pathways which regulate physiological functions. This review is focused on recent observations showing that activation of CAR and PXR alters lipid metabolism, glucose homeostasis, and inflammation by interfering with HNF4α, FoxO1, FoxA2, PGC1α, or NFkB p65. Such crosstalks explain clinical observations and provide molecular mechanisms allowing understanding how xenobiotics and drugs may affect physiological functions and provoke endocrine disruptions.
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