PRXⅡ蛋白及mRNA在小鼠卵巢不同发育阶段的表达Expressions of PRX Ⅱ protein and mRNA in different developmental stages of the mice ovary.
杨书红;罗爱月;马湘一;卢运萍;马丁;王世宣;
摘要(Abstract)：
目的:探讨PRXⅡ在小鼠卵泡发育不同阶段的表达。方法:选择不同发育时期的昆明小鼠卵巢,用免疫组化SP染色法,半定量逆转录聚合酶链反应(RT-PCR)检测不同发育期卵巢组织中PRXⅡ蛋白、mRNA的表达水平。结果:PRXⅡ蛋白在各级卵泡的卵母细胞及颗粒细胞中均有表达,其表达水平随卵泡发育逐渐增强。始基卵泡与初级、次级、窦状卵泡相比,其卵母细胞及颗粒细胞中PRXⅡ蛋白表达水平明显较低,差异有统计学意义(P<0.005)。初级卵泡分别与次级、窦状卵泡相比其颗粒细胞中PRXⅡ蛋白表达水平较低,有显著差异(P<0.005)。闭锁卵泡PRXⅡ蛋白呈强阳性表达,明显高于生长卵泡中的表达水平。黄体及间质中亦见少量PRXⅡ表达。PRXⅡmRNA在卵巢组织中的表达水平随卵巢的生长发育呈先增高后降低的趋势。3、6、11周小鼠卵巢中PRXⅡmR-NA表达水平无统计学差异(P>0.05),但其表达水平是8天及15周小鼠卵巢组织的两倍。结论:卵泡发育不同阶段PRXⅡ均有表达,在卵泡发育后期和闭锁卵泡中强表达,提示PRXⅡ在卵泡的生长发育及闭锁过程中可能起重要的调控作用。
关键词(KeyWords)： PRXⅡ;卵泡发育;免疫组织化学;逆转录聚合酶链反应;小鼠
基金项目(Foundation):
作者(Authors): 杨书红;罗爱月;马湘一;卢运萍;马丁;王世宣;
DOI: 10.13283/j.cnki.xdfckjz.2008.07.001
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