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Updated: Jul 31, 2025
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Mapping the Structure-Function Relationships of Disordered Oncogenic Transcription Factors Using Transcriptomic Analysis
Published on: June 27, 2020
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Transcriptome Analysis Identifies Oncogenic Tissue Remodeling during Progression from Common Nevi to Early Melanoma
Amin Zia1, Yoav Litvin1, Ronnie Voskoboynik1
1Orlucent, Inc., Los Gatos, California.
The American Journal of Pathology
|May 5, 2023
Summary
Early melanoma detection is crucial for survival. This study reveals molecular pathways and tissue remodeling involved in melanoma development from benign nevi, highlighting dysplastic nevi as a transitional phase.
Area of Science:
- Oncology
- Dermatology
- Molecular Biology
Background:
- Melanoma is an aggressive skin cancer with improved survival rates when detected early.
- Melanoma development is a stepwise process involving genetic and histologic changes in nevi.
Purpose of the Study:
- To analyze gene expression data to understand molecular and genetic pathways in early melanoma development.
- To investigate the transition from benign nevi to early-stage melanoma.
Main Methods:
- Comprehensive analysis of publicly available gene expression datasets.
- Comparison of gene expression profiles in melanoma, common/congenital nevi (CN), dysplastic nevi (DN), and adjacent nevi.
Main Results:
- Identified pathways involving cancer-associated fibroblasts, extracellular matrix, and immune surveillance in early melanoma.
- Found overlapping gene expression between dysplastic nevi and melanoma, suggesting a transitional role for DN.
- Observed distinct gene signatures between CN and adjacent nevi, with adjacent nevi showing similarity to melanoma.
Conclusions:
- Local tissue remodeling and immune surveillance are key in early melanoma progression.
- Dysplastic nevi represent a potential transitional stage in melanoma oncogenesis.
- Melanoma influences the molecular profile of adjacent non-cancerous nevus tissue.
