Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jsgi.2005.02.010
Title: Hypoxia up-regulated angiogenin and down-regulated vascular cell adhesion molecule-1 expression and secretion in human placental trophoblasts
Authors: Rajashekhar, G. 
Loganath, A. 
Roy, A.C. 
Chong, S.S. 
Wong, Y.C. 
Keywords: Angiogenesis
Explant culture
Fetal growth restriction
Lightcycler
Pregnancy
Issue Date: Jul-2005
Source: Rajashekhar, G., Loganath, A., Roy, A.C., Chong, S.S., Wong, Y.C. (2005-07). Hypoxia up-regulated angiogenin and down-regulated vascular cell adhesion molecule-1 expression and secretion in human placental trophoblasts. Journal of the Society for Gynecologic Investigation 12 (5) : 310-319. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jsgi.2005.02.010
Abstract: OBJECTIVE: Many processes that are involved in cellular invasion, including blastocyst implantation, placental development, and rapidly growing tumors, occur in reduced oxygen environments. It has been surmised that oxygen tension could regulate the cytotrophoblast ability to differentiate and, as a consequence, to express proteins that are critical for placentation. The objective of the current investigation was therefore to test the hypothesis that placental tissues and trophoblast cells in culture, under low oxygen tension, release angiogenic factors that could affect vascular behavior and invasive potential, thus providing a link between abnormal placentation and maternal vascular abnormality. METHODS: Functionally active term placental explant culture and trophoblast cultures were used to demonstrate the secretion profiles of angiogenin and vascular cell adhesion molecule-1 (VCAM-1), and the real-time quantitative reverse transcriptase polymerase chain reaction (RT-PCR) technique was employed to demonstrate the mRNA expression under both normoxic and hypoxic conditions. RESULTS: A significant increase in the secretion (P
Source Title: Journal of the Society for Gynecologic Investigation
URI: http://scholarbank.nus.edu.sg/handle/10635/131425
ISSN: 10715576
DOI: 10.1016/j.jsgi.2005.02.010
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