The effect of lipoic acid on wound healing in a full thickness uterine injury model in rats
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2013
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Abstract
Aim of this study was to investigate the effects of lipoic acid on uterine wound healing by immunohistochemical and biochemical assay in a rat uterine horn model with full thickness injury. Thirty-two female Wistar albino rats were randomised into five groups: Control group, with no intervention; uterine scar group 15days (US15d), uterine scar group 15 days + alpha lipoic acid (ALA) (US15d + ALA), uterine scar group 30 days (US30d) and uterine scar group 30 days + ALA (US30 days + ALA). After uterine incision 100 mg/kg of ALA was administered by oral gavage for either 15 or 30 days. Vascular endothelial growth factor (VEGF) and alpha smooth muscle actin (α-SMA) distribution were evaluated by immunohistochemical methods in tissue and ELISA methods in tissue homogenate. The percentage of α-SMA positive area in US15d + ALA and US30d + ALA groups was significantly higher than US15 and US30d groups. The percentage of VEGF positive area in US15d + ALA group was significantly higher than US15d group and US30d + ALA group was significantly higher than US30d group. Biochemically, α-SMA was significantly higher in the US15d + ALA group when compared to US15d group and higher in US30d + ALA group when compared to US30d group. VEGF was significantly higher in US15d + ALA and US30d + ALA groups when compared to US15 and US30d groups. In conclusion, ALA was found to be effective in enhancing wound healing in uterine full thickness injury. © 2013 Springer Science+Business Media Dordrecht.
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Actins , Animals , Cicatrix , Female , Muscle, Smooth , Neovascularization, Physiologic , Rats , Rats, Wistar , Regeneration , Thioctic Acid , Uterus , Vascular Endothelial Growth Factor A , Wound Healing , Rattus , alpha smooth muscle actin , thioctic acid , vasculotropin , angiogenesis , animal experiment , animal model , animal tissue , article , controlled study , drug efficacy , drug mechanism , enzyme linked immunosorbent assay , female , full thickness uterine injury , histopathology , immunohistochemistry , mouse , muscle regeneration , nonhuman , priority journal , protein localization , scar , smooth muscle , treatment duration , treatment outcome , uterus disease , wound healing