細胞外マトリクスは,腫瘍の開始に関する地域的能力を決定する
Nordin Bansaccal1, Pauline Vieugue1, Rahul Sarate1
1Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles, Brussels, Belgium.
Nature
|November 15, 2023
まとめ
皮膚細胞の腫瘍性変異は腫瘍を引き起こす可能性があります. 細胞外マトリックスが
科学分野:
- 皮膚科
- 腫瘍学
- 細胞生物学
背景:
- 皮膚の表皮の再生は 健康に不可欠です
- 皮膚細胞の再生と分化における不均衡は腫瘍の発症につながる可能性があります.
- これらのプロセスと腫瘍の発達に対する腫瘍変異の影響は不明である.
研究 の 目的:
- 腫瘍性突然変異が皮膚細胞の再生,分化,腫瘍の発症にどのように影響するか調査する.
- 皮膚がんに対する感受性の調整における細胞外マトリクスの役割を明らかにする.
主な方法:
- 腸内顕微鏡を用いた in vivo クローン分析
- 単細胞RNAのシーケンス
- 遺伝子操作と生化学治療を組み合わせた 機能検査
主要な成果:
- 構成的に活性なSmoM2発現は,マウスの耳の表皮に基礎細胞癌を誘発したが,背中の皮膚にだけクローン拡大した.
- SmoM2の発現は,耳の胚毛胞原産体 (EHFPs) に細胞の再プログラムをもたらしたが,背中の皮膚には及ばなかった.
- 皮膚の組成,特にコラーゲンIの密度と硬さは,EHFPの再プログラムと腫瘍開始に影響を与え,コラーゲンIの減少がこれらのプロセスを促進しました.
結論:
- 細胞外マトリックス組成は,皮膚腫瘍の発症および侵入に対する地域の感受性を有意に制御する.
- 皮膚の硬化とコラーゲンIネットワークの整合性は,腫瘍遺伝子誘発の皮膚腫瘍形成に対する障壁として作用する.
- 細胞外マトリクスをターゲットにすることで 皮膚がんの予防と治療に 新しい治療戦略を提案できます
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