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https://www.selleckchem.com/products/bx471.html Phytoestrogens, with a wide range of beneficial effects, prevent bone loss caused by oestrogen deficiency.The purpose of this study was to evaluate the effect of Medicago sativa ethanol extract compared to 17β-oestradiol on osteoporosis in ovariectomized mice.The study was carried out on female mice, divided into five groups control mice (GI), Medicago sativa treated mice (0.75 g/kg BW/day) (GII), ovariectomized mice (GIII) and ovariectomized mice treated either with Medicago sativa (GIV) or with 17β-oestradiol (50 µg/Kg BW/day) (GV).Our results showed that Medicago sativa or 17β-oestradiol treatments significantly attenuated perturbations of mineral levels, histological changes and oxidative stress in the femurs of ovariectomized mice.Medicago sativa prevented bone loss induced by oestrogen deficiency, which could be attributed to its richness in kaempferol, syringic acid, naringenin and myrictin. Its effects were more beneficial or similar compared to 17β-oestradiol.Purpose To evaluate the relation of aquaporin-1 (AQP-1) expression and scleral biomechanical strength.Method Guinea pigs with 3 weeks old received intravitreal injection of adeno-associated virus (AAV) containing AQP-1 or si-AQP-1 sequence, by which to up- or downregulate the AQP-1 expression in choroid. Animals were sacrificed 4 weeks after treatment. Then the expression of AQP-1 in the choroid was determined using western blotting, and the sclera stiffness recorded as Young's modulus was determined using tension test. The relation of AQP-1 expression and sclera stiffness was then analyzed.Results Immunostaining revealed that AQP-1 protein expression was mainly observed in choroidal vascular endothelial cells layer. After the upregulation of AQP-1 expression, the scleral stiffness is slightly increased compared with that in control, but without significant difference. After the downregulation of AQP-1 expression, the scleral stiffness is lower than that

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