孕鼠维生素D缺乏对子鼠长骨维生素D受体蛋白表达的影响
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南京市医学科技发展一般性项目(ZKM06045);南京医科大学科技发展基金重点项目(06NMUZ024)


Effects of vitamin D deficiency during pregnancy on femoral VDR protein expression of offspring
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    摘要:

    目的:研究大鼠孕期维生素D(VitD)缺乏对其子鼠长骨中维生素D受体(VDR)蛋白表达的影响-方法:成熟雌性SD大鼠36只随机分为模型组和对照组各18只,模型组以不含VitD的大鼠饲料避光喂养,对照组以标准饲料正常光照喂养-2周后与成熟SD雄性大鼠交配,分别取孕20天(E20d)-生后1天(B1d)和生后7天(B7d) 子鼠左侧股骨-用Western blotting方法检测子鼠股骨VDR蛋白水平的表达-结果:VDR蛋白在E20d-B1d和B7d子鼠股骨的表达量,模型组均显著低于对照组(P均 < 0.05)-结论:孕鼠VitD缺乏可下调子鼠长骨VDR蛋白表达水平,可能为子鼠骨骼发育不良机制之一-

    Abstract:

    Objective:To study the expression of VDR protein in the femurs of offsprings whose mothers were deficient of vitamin D. Methods:Thirty-six adult female SD rats were chosen and divided randomly into the control group(18 rats) and model group(18 rats).The control group was received vitamin D fodder with normal solarization and the model group received non-vitamin D fodder without solarization for 2 weeks. Then the female rats in two groups copulated with the male normal rats. The left femurs were collected from the 20-day embryos and the 1-day and 7-day newborns. VDR protein expression was measured by Western blotting. Results:The VDR protein expression of the model group was lower than the control group(P < 0.05). Conclusion:The change of expression of VDR protein was due to vitamin D deficiency during the pregnancy, which may be the reason of offsprings’ skeletal deformity.

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吴 越,周晓玉,李婵娟.孕鼠维生素D缺乏对子鼠长骨维生素D受体蛋白表达的影响[J].南京医科大学学报(自然科学版),2009,29(3):361-363385

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  • 收稿日期:2008-08-19
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