晚期糖基化终产物及其受体对大鼠阴茎海绵体组织中氧自由基代谢和内皮素-1活性的影响

来源 :江苏省第九次男科学学术会议 | 被引量 : 0次 | 上传用户:KAI12321
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  目的:通过观察大鼠阴茎海绵体组织中晚期糖基化终产物(AGEs)及其受体(RAGE)的变化对氧自由基代谢和内皮素-1(ET-1)活性的影响,探讨AGEs在糖尿病性勃起功能障碍(DMED)发生发展中的作用.方法:成年雄性SD大鼠60只,随机取40只用于制作糖尿病模型,造模成功的大鼠分为两组:糖尿病(DM)组和糖尿病+氨基胍给药(DM+AG)组;另20只大鼠亦分为两组:正常对照(CONTROL)组和正常对照+氨基胍给药(CONTROL+AG)组;氨基胍(AG)给药组大鼠造模后即在其饮水中按1g/L剂量加入AG.饲养八周后取各组大鼠阴茎海绵体组织,一小段用于免疫组织化学法观察分析AGEs及其受体的分布和表达,剩余部分匀浆后检测AGE-肽(AGE-P)含量、丙二醛(MDA)含量、超氧化物歧化酶(SOD)活性及ET-1活性.
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