スウェーデンの家族における統合失調症と双極性障害の共通遺伝的決定因子:人口ベースの研究
Paul Lichtenstein1, Benjamin H Yip, Camilla Björk
1Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
Lancet (London, England)
|January 20, 2009
まとめ
統合失調症と双極性障害は共通する遺伝因子を共有し,それらの明確な分類に挑戦しています. この研究は,これらの精神疾患の共通の遺伝的原因を強調し,再評価の必要性を示唆しています.
科学分野:
- 精神科医は精神病を患っている.
- 遺伝学 遺伝学とは
- エピデミオロジー エピデミオロジー
背景:
- 統合失調症と双極性障害は,離散的または共有された臨床結果として議論されています.
- 彼らの遺伝的,環境的貢献を理解することは極めて重要です.
研究 の 目的:
- 統合失調症,双極性障害,およびその併発性に対する責任に対する遺伝的および環境的貢献を評価する.
- これらの障害の間の共通の因果的プロセスを調査する.
主な方法:
- スウェーデンの複数世代および退院記録 (1973-2004) を利用した.
- 200万の核家族にわたる9,009,202人の個人を分析した.
- 遺伝的および環境的貢献を評価するために,多変量汎用線形混合モデルを使用した.
主要な成果:
- 1級親族は,両方の疾患のリスクが増加したことを示した.
- 遺伝性の推定値は,統合失調症では64%,双極性障害では59%であった.
- 併発症は主に共有された添加的な遺伝効果によって引き起こされた (63%).
結論:
- 統合失調症と双極性障害は,分子遺伝学的発見に似た共通の遺伝的原因を共有しています.
- 結果は,これらの障害の現在の鼻学的な分離に異議を唱える.
- 発見は,統合失調症と双極性障害を潜在的に関連性のある実体として再評価することを支持しています.
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