miRNAs in Melanoma: Tumor Suppressors and Oncogenes with Prognostic Potential

Michal Wozniak, Aleksandra Mielczarek, Malgorzata Czyz1

  • 1Department of Molecular Biology of Cancer, Medical University of Lodz, Mazowiecka 6/8, 92-215 Lodz, Poland. malgorzata.czyz@umed.lodz.pl.

Current Medicinal Chemistry
|September 27, 2016
PubMed

Insights

MicroRNAs regulate cellular functions and are crucial in melanoma development. Altered microRNA levels are linked to melanoma progression and can serve as non-invasive prognostic markers.

Area of Science:

  • Molecular Biology
  • Genetics
  • Oncology

Background:

  • MicroRNAs (miRNAs) are small non-coding RNAs regulating gene expression.
  • Dysregulation of miRNAs is implicated in various cellular processes and diseases, including cancer.
  • Melanocytes and melanoma development are significantly influenced by miRNA activity.

Purpose of the Study:

  • To review the role of miRNAs in melanocyte regulation and melanoma progression.
  • To highlight the diagnostic and prognostic potential of miRNAs in melanoma.
  • To summarize recent findings on miRNA-mediated control in melanoma.

Main Methods:

  • Literature review of studies on miRNA function in melanocytes and melanoma.
  • Analysis of miRNA expression profiles in different stages of melanoma.
  • Investigation of miRNA stability and detectability in bodily fluids.

Main Results:

  • Altered miRNA expression (upregulation of oncomiRs, downregulation of anti-oncomiRs) contributes to melanoma initiation and progression.
  • Distinct miRNA expression profiles characterize different phases of melanoma.
  • Stable miRNAs found in bodily fluids offer potential as non-invasive biomarkers.

Conclusions:

  • MicroRNAs play a critical role in the regulation of melanocytes and the pathogenesis of melanoma.
  • MicroRNAs represent promising non-invasive prognostic markers for melanoma progression and therapy response.

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