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Comparative Lesions Analysis Through a Targeted Sequencing Approach
Published on: November 5, 2019
A Comparative Study of Genital Lichen Sclerosus Transcriptomes
S D Margasyuk1, A L Kuznetsova1, D A Skvortsov1,2
1Center for Molecular and Cellular Biology, Moscow, 121205 Russia.
Acta Naturae
|July 25, 2026
Summary
Genital lichen sclerosus (GLS) transcriptomics reveal shared biomarkers between penile and vulvar forms. This chronic inflammatory skin condition shows distinct gene expression patterns, offering new therapeutic targets.
Area of Science:
- Dermatology
- Genomics
- Immunology
Background:
- Genital lichen sclerosus (GLS) is a chronic inflammatory skin disease with presumed shared autoimmune and genetic pathogenesis in men and women.
- Clinical manifestations differ, but underlying molecular mechanisms require further elucidation.
Purpose of the Study:
- To compare transcriptomic profiles of penile (mGLS) and vulvar lichen sclerosus (VLS).
- To identify commonly deregulated genes and potential shared biomarkers for GLS.
Main Methods:
- Transcriptomic profiling of mGLS and VLS patient samples.
- Differential gene expression analysis.
- Identification of commonly upregulated and downregulated genes.
Main Results:
- Significant heterogeneity observed in mGLS transcriptomic signatures, influenced by immune cell composition.
- Key findings include epidermis dysfunction and overexpression of Keratin 6 (KRT6) and CHIT1 in mGLS.
- Commonly upregulated genes in both mGLS and VLS include TNF, CCNB1, RUNX3, and a novel long non-coding RNA, DRAIC.
Conclusions:
- Shared transcriptomic signatures exist between mGLS and VLS, highlighting common pathogenic pathways.
- Novel biomarkers like DRAIC and genes associated with autoimmune diseases and cancer offer potential therapeutic targets.
- The study provides a comprehensive molecular understanding of GLS, paving the way for targeted treatments.