バランスの取れたオートソーム転位と重度の精神疾患を家族内で関連付ける
D St Clair1, D Blackwood, W Muir
1Department of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, UK.
Lancet (London, England)
|July 7, 1990
まとめ
研究者らは,大家族における精神疾患に関連したバランスの取れた転位 (t(1:11) を特定した. これは,染色体11を示唆しています.
科学分野:
- 遺伝学 遺伝学とは
- 精神科医は精神病を患っている.
- 人間の遺伝学 人間の遺伝学
背景:
- ファミリアル・オートソーム異常は,精神疾患としばしば関連しています.
- 以前の研究では,様々な精神疾患に遺伝的要素があることが示唆されていた.
研究 の 目的:
- オートソーム異常と精神疾患の間の潜在的な遺伝的関連性を調査する.
- 主要な精神障害に関連する特定の染色体領域を特定する.
主な方法:
- MRC サイト遺伝学レジストリから282の血統を家族性オートソーム異常や精神疾患について調べました.
- 精神的および/または行動的障害を示す大規模な血統内の77人の家族に細胞遺伝分析を実施しました.
- バランスの取れた転位t(1:11) と精神病診断の関連性を評価するために,lodスコアを計算した.
主要な成果:
- 一つの大きな系統は,精神/行動障害の23例を示した.
- 分析された77人の家族のうち34人がバランスのとれた転移 t (t) を持っていた.
- トランスロケーションを持つ家族では,トランスロケーションのない家族と比較して,精神病診断のより高い流行 (16 vs 5) が観察されました.
結論:
- バランスの取れた転位t(1:11) (q43,q21) は,この家族における精神疾患と強く関連しています.
- 染色体11のq21-22領域は,主要な精神疾患に予備する遺伝子の潜在的な領域です.
- この染色体領域における精神障害の遺伝的根拠を探るため,さらなる研究が必要である.
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