17个短串联重复序列基因座杂合度与冲动攻击行为的相关性

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目的:探讨短串联重复序列( STR )基因座杂合度与冲动攻击行为的关系。方法运用 PowerPlex 18 D System 荧光标记复合扩增试剂盒对249例冲动攻击行为军人个体与313例非攻击行为对照个体样本进行 PCR 复合扩增,然后应用 ABI3130 XL 型基因分析系统对扩增产物进行基因检测。比较两个群体中杂合子比率及17个 STR 基因座杂度性的差异。结果17个 STR 基因座在两个群体均符合 Hardy-Weinberg 平衡;两个群体中的杂合子比率差异无统计学意义( P =0.533);在 CSF 1 PO 基因座冲动攻击行为组的杂合度显著低于对照组(P =0.035);其余 STR 基因座两组的杂合度无统计学意义(P >0.05)。结论 CSF1PO 基因座杂合性降低可能与冲动攻击行为的发生相关。
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