Journal
PHYTOTHERAPY RESEARCH
Volume 26, Issue 9, Pages 1375-1380Publisher
WILEY
DOI: 10.1002/ptr.3697
Keywords
Eriosema kraussianum; Kraussianone-2; pre-eclampsia; soluble fms-like tyrosine kinase1; soluble endoglin
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Funding
- National Research Foundation (NRF) of South Africa
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This study aimed to investigate the effects of Kraussianone-2 (Kr2), a pyrano-isoflavone isolated from the roots of Eriosema kraussianum N. E. Br. (Fabaceae) on various fetal and physiological parameters in pregnant, L-NAME treated SpragueDawley rats. Twenty-four pregnant SpragueDawley dams were divided into three groups (n?=?8), i.e. the control group (CON), the experimental control group (PRE), where the pre-eclampsia-like symptoms were induced using L-NAME, and the experimental group (EK2), where the pre-eclampsia-like symptoms were once again induced using L-NAME, however, these animals were treated with Kr2. On gestation day 20 the animals were sacrificed, at which time a laparotomy was performed and the number of live pups were counted and their corresponding birth and placental weights were recorded. Blood was also collected in heparin-coated tubes and the plasma samples were then analysed for specific variables using commercially available kits for rats. Kraussianone-2 administration decreased fetal mortality and demonstrated a trend toward increasing birth and placental weights in this model. Furthermore, Kr2 administration also reduced blood pressure amplification and decreased the plasma concentrations of two antiangiogenic factors, soluble fms-like tyrosine kinase1 (sFlt-1) and soluble endoglin (sEng). We speculate that Kr2, by improving uterine artery blood flow, results in improved fetal outcomes and decreased antiangiogenic factors in pregnant, L-NAME treated, SpragueDawley rats. Copyright (C) 2012 John Wiley & Sons, Ltd.
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