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首页> 外文期刊>Psychiatric genetics >Re-analysis of Collaborative Study on the Genetics of Alcoholism pedigrees suggests the presence of loci influencing novelty-seeking near D12S391 and D17S1299.
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Re-analysis of Collaborative Study on the Genetics of Alcoholism pedigrees suggests the presence of loci influencing novelty-seeking near D12S391 and D17S1299.

机译:对酒精中毒家系遗传学合作研究的重新分析表明,存在着影响D12S391和D17S1299附近寻求新颖性的基因座。

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摘要

A previous genome scan using variance components analysis of 758 sib pairs from families of alcoholics found evidence for linkage of harm avoidance (HA) to markers on 8p21-23, and this finding was supported in a subsequent linkage study of 384 sib pairs. Here the original dataset is analysed using a new method of linkage analysis for quantitative traits that deals with extended pedigrees. As well as supporting linkage of HA to D8S549, this method also produces an MALOD of 2.4 (P=0.002) near DBH and several positive lod scores for novelty-seeking, the largest being MALODs of 3.1 (P=0.0004) near D12S391 and 3.4 (P=0.0003) near D17S1299. There is no support for linkage of novelty-seeking or HA to the regions around DRD4 and 5HTT, respectively. Additional samples will need to be studied in order to discover which regions truly harbour genetic polymorphisms influencing personality traits.
机译:先前使用来自酗酒者家族的758个同胞对的方差成分分析进行的基因组扫描,发现了避免伤害(HA)与8p21-23上的标记连锁的证据,这一发现在随后的384个同胞对的连锁研究中得到了支持。在这里,使用链接分析的新方法对原始数据集进行分析,以处理涉及扩展谱系的数量性状。除了支持HA与D8S549的连接外,该方法还在DBH附近产生2.4的MALOD(P = 0.002),并为寻求新颖性提供了几个积极的lod得分,最大的是D12S391和3.4附近的MALOD 3.1的POD = 0.0004。 (P = 0.0003)在D17S1299附近。不支持将寻求新颖性或HA分别链接到DRD4和5HTT周围的区域。为了发现哪些地区确实具有影响人格特质的遗传多态性,将需要研究其他样本。

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