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Emerging role of microRNAs in cancer stem cells: Implications in cancer therapy

Minal Garg1

  • 1Minal Garg, Department of Biochemistry, University of Lucknow, Lucknow 226007, India.

World Journal of Stem Cells
|October 6, 2015
PubMed

Insights

Cancer stem cells (CSCs) drive tumor growth and resistance. MicroRNAs (miRNAs) regulate CSCs, offering potential therapeutic targets for cancer treatment and overcoming drug resistance.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Cancer stem cells (CSCs) are a subset of cells responsible for tumor initiation, growth, drug resistance, recurrence, and metastasis.
  • Understanding the molecular mechanisms regulating CSCs is crucial for developing effective cancer therapies.
  • MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression post-transcriptionally and play vital roles in cellular processes.

Purpose of the Study:

  • To analyze the role of aberrant miRNA expression in regulating cancer stem cell functions.
  • To explore the therapeutic potential of miRNAs in targeting CSCs for cancer treatment.
  • To review recent advancements in miRNA-based strategies against CSCs.

Main Methods:

  • Literature review and critical analysis of existing research on miRNAs and CSCs.
  • Examination of miRNA-mediated regulation of CSC properties like self-renewal, drug resistance, and metastasis.
  • Analysis of current and emerging miRNA-based therapeutic strategies targeting CSCs.

Main Results:

  • Aberrant miRNA expression significantly impacts CSC regulation, including asymmetric cell division, drug resistance, and metastasis.
  • miRNAs can modulate CSC properties, highlighting their complex role within the CSC network.
  • miRNA-based strategies show promise for specifically targeting CSCs, a key challenge in cancer therapy.

Conclusions:

  • MicroRNAs are critical regulators of cancer stem cells and represent a promising therapeutic avenue.
  • Targeting miRNAs offers a strategy to overcome drug resistance and prevent tumor recurrence and metastasis.
  • Further research into miRNA networks and targeted therapies is essential for clinical application against cancer.
Keywords:
Cancer stem cellsCancer therapyDrug resistanceMicroRNAsTumor recurrence

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