Epigenetic Regulation in Cancers

A special issue of Cancers (ISSN 2072-6694). This special issue belongs to the section "Tumor Microenvironment".

Deadline for manuscript submissions: 10 August 2025 | Viewed by 1022

Special Issue Editors

Cancer Bioinformatic & Biomarker Lab(CBBL)/Fanconi Anemia Signaling Lab(FASL), Department of Quantitative Health Sciences(DQHS)/Cancer Biology Program(CBP), JABSOM/University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96813, USA
Interests: transcription factors; cancer metabolism; epigenetics; RNA methylation; pathogenic variants; DDR; Fanconi anemia signaling; DNA-binding proteins

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Guest Editor
Department of Biochemistry and Bioinformatics, GIS, GITAM (Deemed to Be University), Visakhapatnam 530045, India
Interests: cancer metastasis; anticancer drugs
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Special Issue Information

Dear Colleagues,

Epigenetic modifications play a pivotal role in governing oncogenes, tumor suppressor genes, and the tumor microenvironment, offering a promising avenue for cancer therapy due to their heritable and reversible properties. Various epigenetic modifications, encompassing DNA methylation, histone modifications, microRNAs, and nucleosome remodeling, intricately regulate gene expression in cancer. Dysregulation of the epigenome emerges as a significant contributor to aberrant transcriptional programs in cancer, underscoring the interplay between dysregulated genetic and epigenetic mechanisms. The inherent heterogeneity of cancer necessitates precise personalized therapy utilizing epigenetic drugs, facilitated by high-throughput epigenome mapping technologies. The interconnected cancer hallmarks of metabolic rewiring and epigenetic remodeling exert influence on immune escape and immunosurveillance. Understanding the role of epigenetic factors in hormone therapy response is crucial for overcoming therapeutic resistance. Furthermore, the emerging field of epitranscriptomics, involving RNA chemical modifications, introduces RNA-modifying proteins as potential pharmacological targets and diagnostic markers in the realm of cancer research.

Dr. Sudhir Rai
Dr. Seema Kumari
Guest Editors

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Keywords

  • oncogenes
  • tumor suppressor genes
  • tumor microenvironment
  • cancer therapy
  • DNA and histone methylation
  • microRNAs
  • epitranscriptomics
  • RNA modifications
  • modifying proteins

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Published Papers (1 paper)

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Review

15 pages, 1076 KiB  
Review
Epigenetics of Conjunctival Melanoma: Current Knowledge and Future Directions
by Kaylea M. Flick, Hakan Demirci and F. Yesim Demirci
Cancers 2024, 16(21), 3687; https://doi.org/10.3390/cancers16213687 - 31 Oct 2024
Viewed by 708
Abstract
The purpose of this article is to provide a literature review of the epigenetic understanding of conjunctival melanoma (CM), with a primary focus on current gaps in knowledge and future directions in research. CM is a rare aggressive cancer that predominantly affects older [...] Read more.
The purpose of this article is to provide a literature review of the epigenetic understanding of conjunctival melanoma (CM), with a primary focus on current gaps in knowledge and future directions in research. CM is a rare aggressive cancer that predominantly affects older adults. Local recurrences and distant metastases commonly occur in CM patients; however, their prediction and management remain challenging. Hence, there is currently an unmet need for useful biomarkers and more effective treatments to improve the clinical outcomes of these patients. Like other cancers, CM occurrence and prognosis are believed to be influenced by multiple genetic and epigenetic factors that contribute to tumor development/progression/recurrence/spread, immune evasion, and primary/acquired resistance to therapies. Epigenetic alterations may involve changes in chromatin conformation/accessibility, post-translational histone modifications or the use of histone variants, changes in DNA methylation, alterations in levels/functions of short (small) or long non-coding RNAs (ncRNAs), or RNA modifications. While recent years have witnessed a rapid increase in available epigenetic technologies and epigenetic modulation-based treatment options, which has enabled the development/implementation of various epi-drugs in the cancer field, the epigenetic understanding of CM remains limited due to a relatively small number of epigenetic studies published to date. These studies primarily investigated DNA methylation, ncRNA (e.g., miRNA or circRNA) expression, or RNA methylation. While these initial epigenetic investigations have revealed some potential biomarkers and/or therapeutic targets, they had various limitations, and their findings warrant replication in independent and larger studies/samples. In summary, an in-depth understanding of CM epigenetics remains largely incomplete but essential for advancing our molecular knowledge and improving clinical management/outcomes of this aggressive disease. Full article
(This article belongs to the Special Issue Epigenetic Regulation in Cancers)
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