Prenatal sensitization of a postnatal trigger for metabolic disease.
Intrahepatic cholestasis of pregnancy (ICP), marked by elevated maternal serum bile acid levels, occurs in late pregnancy and is often associated with poor perinatal outcomes. In this issue of the JCI, Papacleovoulou et al. analyze the long-term consequences of ICP and find that teens born to mothers with ICP exhibit enhanced characteristics of metabolic syndrome relative to controls. The authors also used a new ICP mouse model to support and extend these findings, demonstrating that in utero exposure to bile acids induces persistent epigenetic alterations and abnormal placental lipogenesis,setting the stage for later metabolic dysfunction.
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