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多囊卵巢综合征患者血清中性激素和生化指标及颗粒细胞中FABP4蛋白的变化 被引量:10

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摘要 目的分析脂肪细胞型脂肪酸结合蛋白(FABP4/A-FABP/a P2)在多囊卵巢综合征(PCOS)患者颗粒细胞的表达情况,探讨FAPB4对卵巢颗粒细胞的影响及作用机制。方法选择就诊的PCOS患者22例(PCOS组),选择同一时期因输卵管因素或男方因素就诊的对照组22例,检测血清中性激素和生化指标,促卵泡成熟后经超声指导下,经阴道穿刺抽吸卵泡液,显微镜下取出卵冠丘复合物,剩下的卵泡液用于后续研究。提取颗粒细胞,进行细胞爬片培养,于细胞生长对数期固定,免疫荧光分析FABP4蛋白在颗粒细胞中是否表达及其表达部位。提取颗粒细胞,Western blot方法进行FABP4表达的半定量分析。结果 PCOS组的血清睾酮、雄烯二酮、LH/FSH水平明显高于对照组,差异有统计学意义(P<0.05);两组的年龄、血压、体质指数及其他血清指标差异无统计学意义(P>0.05)。免疫荧光提示在两组的颗粒细胞中都存在FABP4蛋白的表达,以鬼笔环肽和Hoechst定位细胞骨架和细胞核,可见FABP4蛋白主要表达于颗粒细胞的胞浆内。Western blot结果显示PCOS组颗粒细胞中FABP4蛋白的表达量高于对照组,差异有统计学意义(P<0.05)。结论 FABP4蛋白主要表达在卵巢颗粒细胞的胞浆中,PCOS组颗粒细胞中FAPB4的蛋白表达量明显多于对照组,提示FABP4可能通过多种信号途径影响颗粒细胞功能,进而造成卵泡发育异常。
出处 《广东医学》 CAS 2018年第16期2468-2471,共4页 Guangdong Medical Journal
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