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Published on: December 19, 2019
Epigenetics and cutaneous neoplasms: from mechanism to therapy
Frederick Gibson1, Ailish Hanly1, Robert Fisher1
1Department of Dermatology, Boston University Chobanian & Avedisian School of Medicine, 609 Albany Street, Boston, MA 02118, USA.
Abstract:
Epigenetics encompasses heritable, reversible gene expression patterns that do not arise from mutations in genomic DNA but, rather, are regulated by DNA methylation, histone modifications, RNA modifications and ncRNAs; and epigenetic dysregulation is increasingly recognized as a mechanism of neoplastic disease progression as well as resistance to cancer therapy. This review article focuses on epigenetic modifications implicated in the progression and therapeutic resistance of common cutaneous malignancies, including basal cell carcinoma, squamous cell carcinoma, T-cell lymphoma and malignant melanoma, with an emphasis on therapeutic strategies that may be used to target such disease-associated alterations.
Insights
Epigenetic modifications drive cancer progression and treatment resistance in skin cancers like melanoma. Targeting these epigenetic changes offers new therapeutic strategies for cutaneous malignancies.
Area of Science:
- Oncology
- Epigenetics
- Dermatology
Background:
- Epigenetics involves heritable gene expression changes without DNA mutation.
- Epigenetic dysregulation is key in cancer progression and therapy resistance.
- Cutaneous malignancies share common epigenetic alterations.
Purpose of the Study:
- Review epigenetic modifications in skin cancer progression.
- Highlight epigenetic mechanisms in therapeutic resistance.
- Discuss targeted epigenetic therapies for skin cancers.
Main Methods:
- Literature review of epigenetic mechanisms.
- Analysis of DNA methylation, histone, and RNA modifications.
- Focus on basal cell carcinoma, squamous cell carcinoma, T-cell lymphoma, and melanoma.
Main Results:
- Epigenetic alterations are crucial in common skin cancers.
- These alterations contribute to tumor progression and treatment failure.
- Specific epigenetic targets are identified for therapeutic intervention.
Conclusions:
- Epigenetic modifications are central to cutaneous malignancy development.
- Targeting epigenetic alterations presents promising therapeutic avenues.
- Further research into epigenetic therapies is warranted for skin cancer treatment.
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