有证据表明,对孤独和边缘性人格障碍有共同的遗传贡献
Anna Schulze1, Fabian Streit2, Lea Zillich2
1Department of Clinical Psychology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany. anna.schulze@zi-mannheim.de.
孤独的遗传因素和边界性人格障碍 (BPD) 的风险重叠. 孤独多基因分数 (PGS) 与BPD相关,患者报告的孤独程度更高.
科学领域:
- 精神病学遗传学 精神病学遗传学
- 行为遗传学 行为遗传学
- 临床心理学 临床心理学
背景情况:
- 孤独是边界性人格障碍 (BPD) 中的一个关键的人际功能障碍,受遗传和环境的影响.
- 以前的研究表明,孤独和BPD之间存在遗传联系,但具体的遗传重叠是不清楚的.
研究的目的:
- 用全基因组数据调查孤独和BPD风险之间的遗传重叠.
- 确定遗传倾向于孤独是否有助于BPD风险和报告的孤独水平.
主要方法:
- 对孤独和BPD的全基因组关联研究 (GWAS) 进行了基因相关性分析.
- 在两个独立的样本中,测试了孤独多基因分数 (PGS) 与BPD病例控制状态的关联.
- 研究了孤独-PGS与报告的孤独的关联及其对儿童虐待影响的缓解.
主要成果:
- 在孤独和BPD之间发现了显著的遗传相关性 (rg=0.23,p=0.015).
- 在两个样本中,孤独-PGS与BPD病例-对照状态有积极的关联 (NkR2=2.3%6.6%).
- 孤独-PGS与报告的孤独正相关 (β=0.186,p=0.002) 并没有缓解童年虐待的影响.
结论:
- 这项研究提供了第一个全基因组证据,证明孤独和BPD风险之间的遗传因素重叠.
- 对孤独的遗传倾向与BPD和更高的自我报告的孤独有关.
- 需要进一步的研究来阐明涉及的特定遗传机制和途径.
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