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胚胎小鼠肾脏发育中神经型一氧化氮合酶的定量分析 被引量:2

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摘要 目的:探讨神经型一氧化氮合酶在胚胎小鼠妊娠不同时期肾脏发育中的意义。方法:选用成年健康昆明小白鼠,按雌雄比例3:1同窝饲养,采用检查阴道栓脱落的方法确定雌鼠受孕时间。选取胚龄12天(ED12)、14天(ED14)、16天(ED16)、18天(ED18)的胎鼠及出生时(PD0)仔鼠,分5组,每组各6只母鼠,每只母鼠取2只胎鼠或仔鼠,剖腹取肾脏,用免疫印迹技术(Westernblot)及光密度分析系统分别对各组胎鼠或仔鼠肾脏内nNOS进行定量检测。结果:Western blot及光密度分析显示,ED14组肾脏nNOS含量最少,随后逐渐增多,PD0组肾脏nNOS含量最多。结论:胚胎小鼠肾脏nNOS在胚胎第14天开始呈阳性表达,以后含量逐渐升高,出生时含量最高,表明nNOS在胚胎小鼠肾脏发育的早期阶段起重要作用。
出处 《数理医药学杂志》 2008年第3期286-288,共3页 Journal of Mathematical Medicine
基金 辽宁省教育厅资助项目(NO.20071171)
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