Heterogeneity and molecular landscape of melanoma: implications for targeted therapy

Yasaman Zohrab Beigi1, Hossein Lanjanian2, Reyhane Fayazi1

  • 1Laboratory of System Biology and Bioinformatics (LBB), Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.

PubMed

Insights

Uveal melanoma (UM) exhibits significant molecular heterogeneity, necessitating personalized treatment strategies. Advanced techniques like liquid biopsies and single-cell analysis offer promising avenues for targeted therapies and improved patient outcomes.

Area of Science:

  • Oncology
  • Genetics
  • Molecular Biology

Background:

  • Uveal melanoma (UM) presents a complex molecular landscape with significant genetic and epigenetic heterogeneity.
  • This heterogeneity influences tumor behavior and response to therapies, including radiation resistance.
  • Current treatment approaches require refinement to address the diverse molecular profiles of UM.

Purpose of the Study:

  • To review the heterogeneity and molecular landscape of uveal melanoma.
  • To explore the potential of targeted therapies tailored to individual genetic mutations.
  • To highlight the role of novel diagnostic and prognostic tools in managing UM.

Main Methods:

  • Comprehensive literature review from 1998 to 2023.
  • Keywords used: "uveal melanoma," "heterogeneity," "Targeted therapies," "CTCs," and "single-cellular analysis."
  • Focus on integrating multi-omics data with clinical information.

Main Results:

  • UM displays substantial molecular heterogeneity, impacting treatment efficacy.
  • Liquid biopsies, including circulating tumor cells (CTCs) and circulating tumor DNA (ctDNA), show promise for early detection and monitoring.
  • Single-cell analysis provides valuable insights into UM's diagnosis, prognosis, and treatment response.

Conclusions:

  • Understanding UM's molecular complexity is crucial for developing patient-specific targeted treatments.
  • Non-invasive methods like liquid biopsies are key for personalized therapeutic strategies.
  • Integrating diverse data sources, including single-cell analysis, will enhance the management of uveal melanoma.

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