The crosstalk between microRNAs and the Wnt/β-catenin signaling pathway in cancer

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Yin Peng1,2, Xiaojing Zhang1,3, Xianling Feng1

  • 1Department of Pathology, The Shenzhen University School of Medicine, Shenzhen, Guangdong, People's Republic of China.

Oncotarget
|October 30, 2016
PubMed

Insights

MicroRNA (miR) and Wnt/β-catenin pathway crosstalk drives cancer development and drug resistance. Understanding this complex network is key for developing novel miR-based cancer therapies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • MicroRNA (miR) dysregulation is implicated in cancer.
  • The Wnt/β-catenin signaling pathway is crucial in cell proliferation and cancer.
  • Crosstalk between miRs and Wnt/β-catenin signaling contributes to carcinogenesis, metastasis, and drug resistance.

Purpose of the Study:

  • To review the intricate crosstalk between miRs and the Wnt/β-catenin signaling pathway in cancer.
  • To elucidate the mechanisms by which miRs and Wnt/β-catenin signaling interact.
  • To highlight the therapeutic potential and challenges of targeting this network.

Main Methods:

  • Literature review of studies investigating miR and Wnt/β-catenin pathway interactions in cancer.
  • Analysis of molecular mechanisms of activation and inhibition.
  • Examination of feedback loops and clinical trial data.

Main Results:

  • MiRs can activate or inhibit the canonical Wnt pathway at multiple steps.
  • Wnt pathway activation can increase miR expression via direct promoter binding.
  • Mutual feedback loops exist between specific miRs and the Wnt/β-catenin pathway.

Conclusions:

  • The complex interplay between miRs and Wnt/β-catenin signaling is a significant driver of cancer.
  • Targeting this regulatory network offers potential for novel cancer therapeutics.
  • Overcoming challenges like bioavailability and side effects is crucial for clinical application of miR-based therapies.
Keywords:
Wnt/β-catenin signaling pathwaycancermicroRNA

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