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  • Title: Study on the regulation of cell adhesion molecule expression and function in placenta from women with intrahepatic cholestasis of pregnancy.
    Author: Du Q, Zhou L, Hao K, Pan Y, Duan T.
    Journal: Med Hypotheses; 2013 Sep; 81(3):374-5. PubMed ID: 23810461.
    Abstract:
    Intrahepatic cholestasis of pregnancy (ICP) is a common complication of pregnancy manifested as skin pruritus of cholestasis. ICP occurs mainly in the second or third trimester of pregnancy and may cause fetal distress, unexpected intrauterine fetal death and does serious harm to maternal and fetal health. The pathogenesis of ICP is still unclear. In ICP placentas, placental syncytiotrophoblasts are the most direct contact between maternal high bile acid environment and fetus. Our previous study found that in ICP placental syncytiotrophoblasts, both mRNA expression level and protein expression level of vascular cell adhesion molecule-1 (VCAM-1), were significantly elevated. Since VCAM-1 is important in inflammatory injury of lymphocytes, we speculate that ICP pathogenesis may be associated with VCAM-1 up-regulation which may lead to inflammatory injury and cause intrauterine fetal distress, intrauterine fetal death and other adverse outcomes. Elucidation of this mechanism should help reveal the ICP pathogenesis and facilitate the clinical treatment of intrauterine fetal death.
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