SOX2は,状細胞癌の腫瘍発症とがん幹細胞機能を制御する
Soufiane Boumahdi1, Gregory Driessens2, Gaelle Lapouge2
1Université Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium.
Nature
|June 10, 2014
まとめ
重要な転写因子であるSox2は,がん幹細胞の機能を調節することによって,皮膚がんの発症と進行を促します. 標的を絞った切除により,腫瘍の成長が止まり,状細胞癌におけるその重要な役割を強調する.
科学分野:
- 腫瘍学 腫瘍学
- 分子生物学は分子生物学である.
- 皮膚科 皮膚科について
背景:
- 癌幹細胞 (CSCs) は,様々な癌の腫瘍発症と進行を駆動しますが,皮膚平細胞癌 (SCC) の場合の規制は不明です.
- 幹細胞性にとって重要な転写因子であるSox2は,胚および成人の幹細胞の機能に関与しています.
研究 の 目的:
- 皮膚状細胞癌 (SCC) の腫瘍発症,幹,および進行を調節するSox2の役割を調査する.
- Sox2が皮膚のCSC機能を制御する分子メカニズムを特定する.
主な方法:
- Sox2-GFPのノックインマウスを利用して,皮膚腫瘍のSox2-発現細胞を追跡した.
- ネズミの表皮と既存の腫瘍で条件付きSox2デリエーションを行った.
- Sox2の標的遺伝子を特定するために,転写プロファイリングとクロマチンの免疫プレシピテーションを実施しました.
主要な成果:
- Sox2は,マウスおよびヒトの皮膚CSCおよび前新形成性病変において上位調節されるが,SCCでは転写的に調節される.
- Sox2の削除は,皮膚腫瘍の形成を大幅に減らし,既存の腫瘍の収縮を引き起こします.
- SOX2発現細胞は,腫瘍の維持と増殖に不可欠な腫瘍増殖細胞に富んでいる.
結論:
- Sox2は,皮膚腫瘍発起細胞とCSCの重要な調節体であり,腫瘍発起,維持,進行に不可欠です.
- Sox2は,皮膚SCCにおける幹性,生存,増殖,侵入,およびパラネオプラスティック症候群に関与する遺伝子ネットワークを制御する.
- Sox2をターゲットにすることは,皮膚状細胞癌の潜在的な治療戦略を示しています.
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