大腸がんにおける細胞老化:その発生,効果,治療

Yabing Liang^1,2, Miao Wang³, Xianjue Wang¹

¹Key Laboratory of Medical Cell Biology in Inner Mongolia, Clinical Medicine Research Center, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China.

Frontiers in oncology

|September 2, 2025

まとめ

安定した細胞循環停止の状態である細胞衰老は,大腸がん (CRC) で二重の役割を果たします. 老化細胞をターゲットにすることで薬剤耐性を克服し,CRCの再発を防ぐことができます

科学分野:

腫瘍学
細胞生物学
癌研究

背景:

結腸直腸がん (CRC) は,世界中でがんによる死亡の主な原因となっています.
標的型療法によってCRCの治療効果が向上する一方で,薬剤耐性および高い再発率は持続しています.
細胞衰老は,不可逆的な細胞サイクル停止状態であり,CRCにおける腫瘍の進行と治療抵抗に影響します.

研究の目的:

大腸がんにおける細胞老化を誘発する要因をレビューする.
CRCの進行と治療抵抗における老化腫瘍とストロマ細胞の役割を調査する.
CRC 治療における老化細胞を標的とする戦略について議論する.

主な方法:

CRCにおける細胞衰老の原因となる内源的および外源的因子の文献レビュー.
アンチアポプトティックシグナル伝達,代謝変化,老化に関連した分泌現象型 (SASP) を含む老化細胞の特徴の分析.
CRC の発症,治療抵抗,再発における老化細胞の役割の検討.

主要な成果:

衰老はCRCの進行を阻害しますが,SASPによる治療抵抗にも寄与します.
衰老する腫瘍とストロマ細胞は,CRCの微環境に影響を与え,治療結果に影響を与えます.
衰老する細胞をターゲットに独特の特徴を利用することで治療の可能性が生まれます

結論:

衰老細胞は結腸直腸がんの生物学と治療反応に不可欠です.
衰老の二重な役割を理解することは,効果的なCRC治療法の開発に不可欠です.
衰老細胞の枯渇は,CRCの再発と転移と戦うための新しい戦略を提供するかもしれません.

キーワード:

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