精神分裂症和双相情感障碍的多基因责任与教育程度和认知衰老的关联
Chi-Shin Wu1, Chia-Lin Hsu2, Mei-Chen Lin1
1National Center for Geriatrics and Welfare Research, National Health Research Institutes, Zhunan, Taiwan.
Translational psychiatry
|November 16, 2024
概括
这项研究揭示了精神分裂症和双相情感障碍对教育和认知衰老的独特遗传影响. 精神分裂症和双相情感障碍的一致遗传因素显示出对比的效应,表明这些疾病在遗传上并不统一.
科学领域:
- 精神病学和遗传学 精神病学和遗传学
- 神经科学是一个神经科学.
- 人类基因组学 人类基因组学
背景情况:
- 精神分裂症 (SCZ) 和双相情感障碍 (BPD) 共有一些遗传基础,但它们的特定遗传结构仍然不完全理解.
- 研究SCZ和BPD之间的遗传重叠和分歧对于理解它们对教育成就和认知衰老等复杂特征的独特和共同影响至关重要.
研究的目的:
- 阐明导致精神分裂症 (SCZ) 和双相情感障碍 (BPD) 的特定和共同遗传因素.
- 在一个大型社区样本中,检查SCZ和BPD多基因负债与教育成就和认知衰老的关联.
主要方法:
- 在106,806名台湾生物库参与者中,利用了多基因风险评分 (PRS),包括SCZ特异性 (PRSSCZvsBPD),BPD特异性,共享 (PRSSCZ+BPD),以及SCZ和BPD的一致/不一致PRS.
- 用于教育成就的顺序逻辑回归和认知衰老的线性回归 (迷你精神状态检查 - MMSE) 和老年人 (≥60岁) 的MMSE变化.
主要成果:
- 对SCZ (PRSSCZ),BPD (PRSBPD) 和共享PRS (PRSSCZ+BPD) 的多基因风险评分与更高的教育成就有积极联系,而SCZ特定的PRS (PRSSCZvsBPD) 显示出负面关联.
- PRSSCZ与MMSE得分有负相关性,表明认知衰老较差,而PRSBPD与MMSE有积极相关性,表明认知衰老更好.
- 一致的遗传负债 (PRSSCZ_concordant,PRSBPD_concordant) 在很大程度上推动了这些对比的效应,PRSSCZvsBPD预测了MMSE的下降.
结论:
- 精神分裂症和双相情感障碍具有独特的多基因架构,它们对教育成就和认知衰老有不同的影响.
- 这些发现挑战了SCZ和BPD之间遗传同质性的概念,突出了对每个疾病的表型表达的特定遗传贡献.
- 了解这些独特的遗传影响对于推进SCZ和BPD的病因学和潜在治疗点的研究至关重要.
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