RXR激动剂蓓萨罗丁抑制糖尿病ApoE-/-小鼠动脉粥样硬化的形成及机制

来源 :第二十四届长城国际心脏病学会议、亚太心脏大会暨国际心血管病预防与康复会议(The 24th Great Wall Int | 被引量 : 0次 | 上传用户:asergh12
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目的:观察视黄醇X受体(RXR)激动剂蓓萨罗丁(Bexarotene,Bex)对链尿左菌素(Streptozotocin,STZ)诱导的ApoE-/-小鼠动脉粥样硬化的影响,探讨RXR受体激动剂抗动脉粥样硬化的相关机制.方法:动物分组:C57BL/6小鼠8只,46只ApoE-/-小鼠随机分为四组:ApoE-/-组,STZ+ApoE-/-组,STZ+ApoE-/-+Bex10mg组,STZ+ApoE/+Bex30mg组.STZ腹腔注射法构建糖尿病动物模型,葡萄糖氧化酶法测定血糖水平,H-E染色检测胸主动脉斑块面积.Western blotting法测胸主动脉RXR及还原型烟酰胺腺嘌呤二核苷酸磷酸(NADPH)氧化酶gp91phox亚基蛋白的表达;Fenton反应及Griess显色测定血清及胸主动脉匀浆上清液活性氧(reactive oxygen species,ROS).
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