Genome-Wide Linkage Study Meta-Analysis of Male Sexual Orientation.

Genome-Wide Linkage Study Meta-Analysis of Male Sexual Orientation.
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DOI:
10.1007/s10508-021-02035-3
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发表时间:
2021-11
影响因子:
3.8
通讯作者:
Martin ER
Martin ER
中科院分区:
法学2区
文献类型:
--
作者:
Sanders AR;Beecham GW;Guo S;Badner JA;Bocklandt S;Mustanski BS;Hamer DH;Martin ER

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家庭和双胞胎研究表明,男性性取向是一种科学和社会上重要的特征,受环境和复杂遗传因素的影响。个体全基因组连锁研究(GWLS)已经进行,但尚未进行联合分析。两个主要数据集占已发表的关于该性状的GWLS一致兄弟姐妹对的bbb90 %,本文将对它们进行联合分析:MGSOSO (Molecular Genetic Study of Sexual Orientation, 384个家庭的409对一致兄弟姐妹,Sanders等)和Hamer(145个家庭的155对一致兄弟姐妹,Mustanski等)。由于数据集的基因分型不同,我们分别使用Merlin对数据集进行了多点连锁分析,整合了遗传标记位置,并结合了每个1 cM网格位置的LOD(概率对数)得分。我们继续在8号染色体和Xq28染色体上发现最强的连锁支持。我们还通过对已发表的汇总统计数据使用元分析方法合并了剩余的已发表的GWLS数据集(关于55个家庭)。该荟萃分析最大限度地利用了目前可用的家庭资源的位置信息,并有助于确定全基因组关联研究(GWAS)和其他方法的研究结果的优先级。尽管越来越多的证据强调了基因对男性性取向的影响,但我们目前对相关基因座的理解仍然有限,这与该特征的复杂性是一致的。进一步增加关于男性性取向的遗传知识,特别是通过大规模的GWAS,应该有助于提高我们对这一重要特征的生物学理解。在线版本包含补充材料,可在10.1007/s10508-021-02035-3获得。
Male sexual orientation is a scientifically and socially important trait shown by family and twin studies to be influenced by environmental and complex genetic factors. Individual genome-wide linkage studies (GWLS) have been conducted, but not jointly analyzed. Two main datasets account for > 90% of the published GWLS concordant sibling pairs on the trait and are jointly analyzed here: MGSOSO (Molecular Genetic Study of Sexual Orientation; 409 concordant sibling pairs in 384 families, Sanders et al.) and Hamer (155 concordant sibling pairs in 145 families, Mustanski et al.). We conducted multipoint linkage analyses with Merlin on the datasets separately since they were genotyped differently, integrated genetic marker positions, and combined the resultant LOD (logarithm of the odds) scores at each 1 cM grid position. We continue to find the strongest linkage support at pericentromeric chromosome 8 and chromosome Xq28. We also incorporated the remaining published GWLS dataset (on 55 families) by using meta-analytic approaches on published summary statistics. The meta-analysis has maximized the positional information from GWLS of currently available family resources and can help prioritize findings from genome-wide association studies (GWAS) and other approaches. Although increasing evidence highlights genetic contributions to male sexual orientation, our current understanding of contributory loci is still limited, consistent with the complexity of the trait. Further increasing genetic knowledge about male sexual orientation, especially via large GWAS, should help advance our understanding of the biology of this important trait. The online version contains supplementary material available at 10.1007/s10508-021-02035-3.
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发表时间: 2019-08-30
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