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Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
06:09

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Published on: June 7, 2019

MicroRNA and cutaneous melanoma: from discovery to prognosis and therapy

Miguel F Segura1, Holly S Greenwald, Doug Hanniford

  • 1Department of Pathology, NYU Langone Medical Center, New York, NY, USA.

Carcinogenesis
|June 14, 2012
PubMed

Insights

MicroRNAs (miRNAs) are increasingly recognized for their roles in melanoma development and progression. Understanding these small molecules offers new diagnostic and therapeutic strategies for this deadly skin cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Melanoma incidence and mortality are rising globally, particularly for stage IV disease.
  • Current treatments for advanced melanoma often lack durable responses, highlighting gaps in understanding tumor biology.
  • MicroRNA (miRNA) dysregulation is implicated in melanoma, affecting key pathways and cellular processes.

Purpose of the Study:

  • To review the functional roles of miRNAs in melanoma initiation, progression, and metastasis.
  • To explore the clinical utility of miRNAs as biomarkers and prognostic tools.
  • To discuss miRNAs as potential therapeutic targets for melanoma.

Main Methods:

  • Comprehensive literature review of studies investigating miRNA involvement in melanoma.
  • Analysis of evidence linking miRNA alterations to known melanoma driver mutations (e.g., BRAF, NRAS) and pathways.
  • Synthesis of data on miRNA's impact on protein glycosylation, immune modulation, and drug resistance.

Main Results:

  • miRNAs significantly influence melanoma pathogenesis, impacting pathways like PI3K/AKT and RAS/MAPK.
  • miRNA profiles can enhance patient prognostic classification beyond traditional staging.
  • miRNAs are involved in underexplored areas such as protein glycosylation and immune evasion in melanoma.

Conclusions:

  • Characterizing miRNA alterations is crucial for a comprehensive understanding of melanoma.
  • miRNAs present novel therapeutic avenues and can help decipher drug resistance mechanisms.
  • miRNAs hold promise for improved patient stratification, surveillance, and treatment strategies in melanoma.

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