遺伝性心疾患における病原性単一核酸変異の全ゲノム配列解析の成果:体系的レビューとメタ解析
Hiba J Mustafa1, Parisa Najjariasl2, Faezeh Aghajani3
1Division of Maternal-Fetal Medicine, The Fetal Center at Riley Children's and Indiana University Health, Indiana University School of Medicine, Riley Children's Hospital, Indianapolis, Indiana, USA.
Prenatal diagnosis
|September 4, 2025
まとめ
全ゲノムシーケンシング (WGS) は,先天性心疾患 (CHD) の17.83%で病原性単一ヌクレオチド変異体 (SNVs) を特定する. WGSは,特にシンドロミックなCHDでは,パーソナライズされたケアを支援して,重要な診断上の利点を提供します.
科学分野:
- 遺伝学
- ゲノム医学
- 小児心臓科
背景:
- 生まれながらの心臓病 (CHD) は,生まれながらの欠陥である.
- 正確な遺伝子診断は 心臓病の管理に不可欠です
- 現在の診断方法は,全ての原因となる変異を捉えることはできません.
研究 の 目的:
- 病原性または病原性可能性のある (P/LP) シングルヌクレオチド変種 (SNVs) の診断出力を,全ゲノムシーケンシング (WGS) を用いてCHD患者で評価する.
- WGSと染色体マイクロアレイ (CMA) の診断用性を比較する.
主な方法:
- 14件の研究の体系的レビューとメタ解析 (2000年−2024年).
- PRISMA,MOOSE,STARDのガイドラインに沿ったデータ抽出と品質評価
- ランダム効果モデルがプーリングされた比率の計算に使用される.
主要な成果:
- 933件のCHD症例におけるP/ LPSNVのWGSの総合診断収率は17. 83%であった.
- 単発性CHD (9. 83%) と比較して,シンドロミックCHD (22. 36%) で得られた値は高かった.
- WGSはCMAの否定的な結果よりも20%のインクリメンタル診断上の利点をもたらした.
結論:
- 全ゲノムシーケンシングは,臨床的に重要なSNVを特定するための貴重なツールです.
- WGSは,特にシンドロミックな症例の診断に考慮されるべきです.
- WGSからの遺伝的発見は,パーソナライズされた管理と多学科ケアを CHD患者のために導くことができます.
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