Regulation of human trophoblast migration and invasiveness

Canadian Journal of Physiology and Pharmacology
C ChakrabortyPeeyush K Lala

Abstract

The human placenta is an invasive structure in which highly proliferative, migratory, and invasive extravillous trophoblast (EVT) cells migrate and invade the uterus and its vasculature. Using in vitro propagated normal first-trimester EVT cells and immortalized EVT cells, which share all of the phenotypic and functional characteristics of the normal EVT cells, it has been shown that migration/invasion of human EVT cells is stringently regulated by many growth factors, their binding proteins, extracellular matrix (ECM) components, and some adhesion molecules in an autocrine/paracrine manner at the fetal-maternal interface in human pregnancy. Transforming growth factor beta (TGF-beta), decorin (a proteoglycan in the ECM), and melanoma cell adhesion molecule (Mel-CAM) inhibit, and insulin-like growth factor II (IGF-II), IGF-binding protein 1 (IGFBP-1), and endothelin 1 (ET-1) stimulate EVT cell migration/invasion. Inhibition of EVT cell migration by TGF-beta has been suggested to be due to upregulation of integrins, which make the cells more adhesive to the ECM. Its antiinvasive action is due to an upregulation of tissue inhibitor of matrix metalloprotease 1 (TIMP-1) and plasminogen activator inhibitor (PAI-1) and a downregulatio...Continue Reading

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Citations

Jan 12, 2013·Archives of Gynecology and Obstetrics·Linda J HongPhilip J Chan
Dec 29, 2009·Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban·Junxia XiaHaiyi Liu
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Jun 1, 2015·Toxicology in Vitro : an International Journal Published in Association with BIBRA·Hae-Ryung Park, Rita Loch-Caruso

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