Antenatal dexamethasone therapy does not affect circulating concentrations of insulin-like growth factor binding protein-1.

Ogueh, O. and Hills, Frank and Chard, Tim and Johnson, Mark R. (1998) Antenatal dexamethasone therapy does not affect circulating concentrations of insulin-like growth factor binding protein-1. Human Reproduction, 13 (6). pp. 1714-1716. ISSN 0268-1161

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Official URL: http://humrep.oxfordjournals.org/cgi/reprint/13/6/...

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Abstract

In animals, dexamethasone administration during pregnancy leads to fetal growth restriction due to enhanced expression of insulin-like growth factor binding protein-1 (IGFBP-1). In humans, there is also a significant inverse correlation between maternal and fetal concentrations of IGFBP-1 and birth weight. During pregnancy, maternal IGFBP-1 is derived from the decidualized endometrium. We have studied the effect of dexamethasone on circulating concentrations of IGFBP-1 in 12 pregnant women who received dexamethasone therapy for fetal lung maturation in anticipation of premature delivery before 34 completed weeks of gestation. Blood samples were collected before dexamethasone administration, at 24 h and 48 h after the course of dexamethasone, and within 24 h of delivery, for the measurement of IGFBP-1. There was no significant change in plasma IGFBP-1 concentrations at 24 and 48 h following dexamethasone therapy, and at delivery (P = 0.666, 0.307 and 0.398, respectively). Therefore, antenatal dexamethasone therapy does not influence decidual synthesis of IGFBP-1.

Item Type:Article
Keywords (uncontrolled):Dexamethasone IGFBP-1 Pregnancy
Research Areas:School of Science and Technology > Natural Sciences
ID Code:4585
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Deposited On:25 Mar 2010 14:02
Last Modified:15 Oct 2013 05:04

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