Genome-wide association of mood-incongruent psychotic bipolar disorder.

Genome-wide association of mood-incongruent psychotic bipolar disorder.
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DOI:
10.1038/tp.2012.106
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发表时间:
2012-10-23
影响因子:
6.8
通讯作者:
Potash JB
Potash JB
中科院分区:
医学1区
文献类型:
--
作者:
Goes FS;Hamshere ML;Seifuddin F;Pirooznia M;Belmonte-Mahon P;Breuer R;Schulze T;Nöthen M;Cichon S;Rietschel M;Holmans P;Zandi PP;Bipolar Genome Study (BiGS);Craddock N;Potash JB

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情绪不一致的精神病特征(MICP)是双相情感障碍(BP)的家族症状,也发生在精神分裂症(SZ)中,并且可能代表主要精神病之间共同病因的表现。在这项研究中,我们利用估算的全基因组关联数据分析了 3 个大型 BP 样本,并对 2196 例 MICP 病例和 8148 例对照进行了荟萃分析。我们发现了几个具有关联证据的区域(P<10-6),尽管没有标记符合全基因组显着性标准。最高关联位于染色体上:PRSS35/SNAP91 基因复合体内的 6q14.2(rs1171113,P=9.67 × 10–8); TRANK/LBA1 下游 3p22.2 (rs9834970, P=9.71 × 10–8);和 NUMB 内含子中的 14q24.2 (rs2333194,P=7.03 × 10–7)。这些关联存在于所有三个样本中,并且与所有其他 BP 病例相比,在 MICP 病例分析中发现 rs1171113 和 rs2333194 的比例过高。为了测试 MICP 与 SZ 的关系,我们使用精神病学 GWAS 联盟 SZ 结果进行多基因分析,发现 SZ 多基因与 BP 病例中 MICP 的存在之间存在关联的证据(荟萃分析 P=0.003)。总之,我们对 BP 中 MICP 表型的分析为神经系统中表达的几个基因的常见变异之间的关联提供了提示性证据。我们的多基因分析结果为 BP 与 MICP 和 SZ 之间存在一定程度的遗传重叠提供了支持,强调跨综合征的表型相关性可能是由于多基因危险因素的影响。
Mood-incongruent psychotic features (MICP) are familial symptoms of bipolar disorder (BP) that also occur in schizophrenia (SZ), and may represent manifestations of shared etiology between the major psychoses. In this study we have analyzed three large samples of BP with imputed genome-wide association data and have performed a meta-analysis of 2196 cases with MICP and 8148 controls. We found several regions with suggestive evidence of association (P<10–6), although no marker met genome-wide significance criteria. The top associations were on chromosomes: 6q14.2 within the PRSS35/SNAP91 gene complex (rs1171113, P=9.67 × 10–8); 3p22.2 downstream of TRANK/LBA1 (rs9834970, P=9.71 × 10–8); and 14q24.2 in an intron of NUMB (rs2333194, P=7.03 × 10–7). These associations were present in all three samples, and both rs1171113 and rs2333194 were found to be overrepresented in an analysis of MICP cases compared with all other BP cases. To test the relationship of MICP with SZ, we performed polygenic analysis using the Psychiatric GWAS Consortium SZ results and found evidence of association between SZ polygenes and the presence of MICP in BP cases (meta-analysis P=0.003). In summary, our analysis of the MICP phenotype in BP has provided suggestive evidence for association of common variants in several genes expressed in the nervous system. The results of our polygenic analysis provides support for a modest degree of genetic overlap between BP with MICP and SZ, highlighting that phenotypic correlations across syndromes may be due to the influence of polygenic risk factors.
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发表时间: 2004-10-01
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发表时间: 2011-03-11
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发表时间: 2000-11-01
影响因子: 10.5
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发表时间: 2012-04
影响因子: 11
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