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5-羟色胺受体相关基因与自杀行为相关性

DOI: 10.11847/zgggws2015-31-09-12, PP. 1147-1150

Keywords: 自杀,5-羟色胺(5-HT),基因型

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Abstract:

?目的探讨自杀行为与5-HT1BR基因rs6298,5-HT2AR基因rs6311、rs6313及5-HT2BR基因rs765458单核苷酸多态性的关联。方法提取中国北方地区281例伴有冲动性自杀行为的抑郁症患者(病例组)和300名健康对照者(对照组)基因组DNA,采用TapMan探针单核苷酸多态性(SNP)基因分型技术检测病例组及对照组所选位点基因型;统计分析采用χ2检验比较病例组和对照组的基因型和等位基因的分布差异。结果病例组和对照组的5-HT2AR基因rs6311(χ2=20.736,P=0.000)、rs6313(χ2=7.645,P=0.022)基因型频率差异有统计学意义,5-HT1BR基因rs6298、5-HT2BR基因rs765458基因型组差异无统计学意义(P>0.05),5-HT1BR基因rs6298,5-HT2AR基因rs6311、rs6313及5-HT2BR基因rs765458组等位基因频率差异无统计学意义(P>0.05)。结论5-HT2AR基因rs6311、rs6313位点SNP与自杀行为有明显关联,5-HT1BR基因rs6298、5-HT2BR基因rs765458位点SNP与自杀行为无明显关联。

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