Tumor cell stemness in gastrointestinal cancer: regulation and targeted therapy

Kangqi Yang1, Tuo Yi2

  • 1School of Basic Medical Sciences, Fudan University, Shanghai, China.

Insights

Cancer stem cells (CSCs) drive tumor growth and resistance. Understanding CSC regulation in gastrointestinal cancers is crucial for developing new therapies targeting these key cells.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • Cancer stem cells (CSCs) are crucial for tumor initiation, progression, metastasis, and recurrence.
  • CSCs contribute significantly to therapeutic resistance in various cancers.
  • Gastrointestinal (GI) cancers heavily involve CSCs, necessitating a deeper understanding of their regulatory mechanisms.

Purpose of the Study:

  • To review current knowledge on cancer stem cell (CSC) regulation in GI cancers.
  • To explore CSC biomarkers, signaling pathways, and non-coding RNAs involved in stemness.
  • To analyze the role of the tumor microenvironment (TME) in promoting tumor growth and CSCs.

Main Methods:

  • Literature review of recent advancements in CSC research.
  • Analysis of signaling pathways and non-coding RNAs regulating CSCs.
  • Examination of the tumor microenvironment's components and their effects on CSCs.

Main Results:

  • Identified key CSC biomarkers, signaling pathways (e.g., Wnt, Notch, Hedgehog), and non-coding RNAs.
  • Detailed the multifaceted role of the tumor microenvironment (TME), including cancer-associated fibroblasts (CAFs), immunosuppression, angiogenesis, and hypoxia.
  • Summarized emerging therapeutic strategies targeting CSC stemness.

Conclusions:

  • Targeting CSCs and their regulatory networks within the TME is a promising therapeutic avenue for GI cancers.
  • A comprehensive understanding of CSC biology and the TME is essential for overcoming therapeutic resistance.
  • Novel therapeutic interventions are being developed to specifically target CSC stemness.

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