ゲノム幅のCRISPRスクリーンは,NF2-アデレンス・ジャンクション・メカニズムによる心臓系統の依存性を特定した
Chang Jie Mick Lee1,2, Matias I Autio3, Wenhao Zheng1
1Cardiovascular Metabolic Disease Translational Research Programme, National University Health System, Centre for Translational Medicine, Singapore (C.J.M.L., W.H.Z., Y.Z., P.Y., X.Y., R.S.-Y.F.).
Circulation
|May 16, 2024
まとめ
神経繊維素2 (NF2) は,発達障害を取り除き,心筋細胞の分化に不可欠です. NF2の喪失は心臓細胞のアイデンティティの喪失と非メソダーマのアイデンティティの獲得につながります.
科学分野:
- 幹細胞生物学
- 発達生物学
- 分子生物学
背景:
- 心筋細胞の分化には,BMP/Wntシグナル伝達による抑制体と調節体のクリアリングが必要です.
- 心臓発育における規制障害の除去のメカニズムは不明である.
研究 の 目的:
- 人間の胚性幹細胞における心筋細胞の特異性の重要な調節体を特定する.
- 早期の心臓系統の特定における NF2 の役割を明らかにする.
主な方法:
- 人間の胚性幹細胞におけるMYH6-GFPレポーターを用いた全ゲノムCRISPRスクリーニング.
- NF2ノックアウト生成とRNA配列とタンパク質発現による分析.
- インビトロ差別化モデルとタンパク質相互作用アッセイ
主要な成果:
- NF2は早期の心筋細胞の特異性のアップストリームドライバーです.
- NF2の喪失は,心筋細胞のアイデンティティの喪失と,非メソダーマのアイデンティティの獲得を引き起こします.
- NF2とAMOTは,アデレンス接合点でエスカフォルド複合体を形成することによって,YAPの活性化を防ぐ.
結論:
- NF2は,心筋細胞の分化過程における規制の障害を取り除くために不可欠です.
- NF2はYAPの抑制効果を抑制し,上皮細胞とメゼンキマ細胞の移行を容易にする.
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