Melanoma: Epigenetic Modification, Molecular Changes, and Precision Targeting

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Cancer Biology and Oncology".

Deadline for manuscript submissions: closed (15 March 2024) | Viewed by 1216

Special Issue Editors


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Guest Editor
Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90033, USA
Interests: epigenetics; DNA methylation; histone modifications
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
USC Norris Comprehensive Cancer Center, Los Angeles, CA, USA
Interests: epigenetics; histone modification; DNA methylation

Special Issue Information

Dear Colleagues,

Melanoma, a formidable form of skin cancer, primarily emerges from the malignant transformation of melanin pigment-producing melanocytes within the basal layer of the epidermis. The etiology of melanoma transformation, known as melanomagenesis, is an intricate process, stemming from sequential modifications in transcriptional pathways orchestrated by diverse mechanisms.

These mechanisms encompass direct mutations affecting gene regulators such as BRAF, NF1, and RAS, coupled with alterations in their expression levels that trigger perturbations in transcription. This cascade subsequently modifies downstream signaling pathways. Given the nuclear sequestration of genes associated with heightened melanoma susceptibility through chromatinization, and considering chromatin's role in regulating the transcriptional competence of cellular genes, it is plausible that chromatin-dependent pathways contribute to the underlying mechanisms of melanomagenesis. Although this intriguing avenue remains incompletely explored, indirect evidence indicates associations between chromatin reorganization and transcriptional dysregulation in melanoma cells.

The focal intent of this Special Issue lies in curating a compendium of primary research papers and review articles, showcasing burgeoning paradigms in the realm of epigenetics' role in governing diverse pathologies. By doing so, it seeks to provide novel insights into the molecular mechanisms and cellular pathways that orchestrate these processes.

Dr. Yonghwan Shin
Dr. Sungmin Kim
Guest Editors

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Keywords

  • melanoma
  • melanomagenesis
  • epigenetics
  • histone modification
  • DNA methylation

Published Papers (1 paper)

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Review

15 pages, 2059 KiB  
Review
Molecular and Clinicopathological Biomarkers in the Neoadjuvant Treatment of Patients with Advanced Resectable Melanoma
by Piotr J. Błoński, Anna M. Czarnecka, Krzysztof Ostaszewski, Anna Szumera-Ciećkiewicz and Piotr Rutkowski
Biomedicines 2024, 12(3), 669; https://doi.org/10.3390/biomedicines12030669 - 17 Mar 2024
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Abstract
Neoadjuvant systemic therapy is emerging as the best medical practice in patients with resectable stage III melanoma. As different regimens are expected to become available in this approach, the improved optimization of treatment strategies is required. Personalization of care in each individual patient—by [...] Read more.
Neoadjuvant systemic therapy is emerging as the best medical practice in patients with resectable stage III melanoma. As different regimens are expected to become available in this approach, the improved optimization of treatment strategies is required. Personalization of care in each individual patient—by precisely determining the disease-related risk and the most efficient therapeutic approach—is expected to minimize disease recurrence, but also the incidence of treatment-related adverse events and the extent of surgical intervention. This can be achieved through validation and clinical application of predictive and prognostic biomarkers. For immune checkpoint inhibitors, there are no validated predictive biomarkers until now. Promising predictive molecular biomarkers for neoadjuvant immunotherapy are tumor mutational burden and the interferon-gamma pathway expression signature. Pathological response to neoadjuvant treatment is a biomarker of a favorable prognosis and surrogate endpoint for recurrence-free survival in clinical trials. Despite the reliability of these biomarkers, risk stratification and response prediction in the neoadjuvant setting are still unsatisfactory and represent a critical knowledge gap, limiting the development of optimized personalized strategies in everyday practice. Full article
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