PLoS One:卒中后抑郁与TrkB基因多态性相关

2015-12-28 phylis 译 MedSci原创

背景:脑源性神经营养因子(BDNF)基因多态性作为卒中后抑郁的潜在基因,得到研究,已知其受体和神经营养因子酪氨酸激酶受体B(TrkB)与抑郁症相关。然而,尚未有数据报告PSD和TrkB基因多态性的研究。这篇研究旨在调查TrkB多态性是否与PSD相关。方法:招募312名抑郁症患者(PSD患者)和472个非抑郁症患者为对照组(非PSD患者)。所有患者均采用汉密尔顿抑郁量表(HAMD)评定抑郁严重程度,

背景:脑源性神经营养因子(BDNF)基因多态性作为卒中后抑郁的潜在基因,目前已有一些关于其的研究,已知其受体和神经营养因子酪氨酸激酶受体B(TrkB)与抑郁症相关。然而,尚未有数据报告PSD和TrkB基因多态性的研究。这篇研究旨在调查TrkB多态性是否与PSD相关。

方法:招募312名抑郁症患者(PSD患者)和472个非抑郁症患者为对照组(非PSD患者)。所有患者均采用汉密尔顿抑郁量表(HAMD)评定抑郁严重程度,用DSM-V诊断标准诊断PSD患者。三个单核苷酸多态性(SNPs),即rs1187323、rs1212171和rs1778929 ,应用高分辨率化分析对TrkB基因进行基因分型。

结果:SNP rs1778929,TT基因型比CC基因型更与PSD相关(OR 0.482,95% CI:0.313-0.744)。rs1187323,AC基因型比AA基因型更与PSD相关(OR 0.500,95% CI:0.368-0.680)。rs1778929次要等位基因(T)的(P = 0.024,OR 0.725,95% CI :0.590-0.890)和rs1187323次要等位基因(C)的(OR 0.598,95% CI:0.466-0.767)与PSD显著相关。PSD患者和非PSD患者,rs1212171无论是基因型和等位基因频率差异均无统计学意义。

结论:结果表明,中国人群中TrkB基因的rs1778929和rs1187323脑卒中后抑郁显著相关。进一步的研究证实研究结果是必要的。

原文出处:

Zhou Z, Ding X, et al. Association between Single-Nucleotide Polymorphisms of the Tyrosine Kinase Receptor B (TrkB) and Post-Stroke Depression in China. PLoS One. 2015 Dec 7.


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