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瘦素基因启动子-2548G/A多态性与早发冠心病的关系的开题报告 【摘要】 瘦素基因启动子-2548G/A多态性是目前研究较为广泛的一种基因多态性,与多种疾病的发生发展密切相关。本研究旨在探讨瘦素基因启动子-2548G/A多态性与早发冠心病的关系。设置对照组和病例组进行病例对照研究,收集病例组和对照组的外周血样本,提取DNA并进行PCR扩增、限制性酶切和基因分型。通过比较两组基因型和等位基因频率的差异,分析瘦素基因启动子-2548G/A多态性与早发冠心病的相关性。预计的结果将为探究早发冠心病的发生机制提供新的思路。 【关键词】瘦素基因;启动子-2548G/A多态性;早发冠心病;病例对照研究 【Abstract】 Leptingenepromoter-2548G/Apolymorphismisawidelystudiedgeneticpolymorphismcloselyrelatedtotheoccurrenceanddevelopmentofvariousdiseases.Theaimofthisstudyistoexploretherelationshipbetweenleptingenepromoter-2548G/Apolymorphismandearly-onsetcoronaryheartdisease.Acase-controlstudywasconducted,settingupacontrolgroupandacasegroup,collectingperipheralbloodsamplesfromthecasegroupandthecontrolgroup,extractingDNA,andperformingPCRamplification,restrictionenzymedigestionandgenetyping.Bycomparingthedifferencesingenotypeandallelefrequencybetweenthetwogroups,wewillanalyzethecorrelationbetweenleptingenepromoter-2548G/Apolymorphismandearly-onsetcoronaryheartdisease.Theexpectedresultswillprovidenewideasforexploringthemechanismofearly-onsetcoronaryheartdisease. 【Keywords】Leptingene;promoter-2548G/Apolymorphism;early-onsetcoronaryheartdisease;case-controlstudy