Therapeutic microRNAs targeting the NF-kappa B signaling circuits of cancers

Lingying Tong1, Ye Yuan2, Shiyong Wu1

  • 1Department of Chemistry and Biochemistry, Ohio University, Athens, OH, USA; Edison Biotechnology Institute, Ohio University, Athens, OH, USA; Molecular and Cellular Biology Program, Ohio University, Athens, OH, USA.

Insights

MicroRNAs (miRNAs) regulate NF-κB activity, crucial in cancer. NF-κB-targeting miRNAs show therapeutic promise for cancer treatment and enhancing therapies, despite some limitations.

Area of Science:

  • Molecular Biology
  • Oncology
  • Genetics

Background:

  • Nuclear factor kappa B (NF-κB) signaling is frequently dysregulated in cancer, promoting tumor development and resistance to therapy.
  • MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression and are often altered in cancer cells, impacting NF-κB activity.
  • NF-κB plays a critical role in cancer progression, inflammation, and therapeutic resistance.

Purpose of the Study:

  • To review the mechanisms by which miRNAs modulate NF-κB expression and activation in various cancers.
  • To examine the therapeutic potential of NF-κB-targeting miRNAs in cancer treatment and as sensitizers for chemo- and radiotherapies.
  • To assess the limitations, challenges, and future strategies for developing miRNA-based cancer therapeutics.

Main Methods:

  • Literature review of studies investigating miRNA-NF-κB interactions in cancer.
  • Analysis of mechanisms underlying miRNA-mediated regulation of NF-κB signaling pathways.
  • Evaluation of preclinical and clinical data on the efficacy of NF-κB-targeting miRNAs in cancer models and patients.

Main Results:

  • miRNAs can directly or indirectly regulate NF-κB expression and activity through complex signaling networks.
  • Altered miRNA expression in cancer is associated with elevated NF-κB activity, contributing to tumorigenesis and treatment resistance.
  • NF-κB-targeting miRNAs demonstrate potential as anticancer agents and sensitizers, but challenges like cross-targeting and instability exist.

Conclusions:

  • miRNA-mediated regulation of NF-κB is a significant factor in cancer biology and therapeutic response.
  • Targeting NF-κB with miRNAs offers a promising therapeutic strategy for cancer, warranting further investigation.
  • Overcoming current limitations is crucial for the successful clinical translation of miRNA-based cancer therapies.

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