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February 21, 2026Journal of Lower Genital Tract Disease

Multi-omics Analysis Reveals Distinct Changes in the Cellular Composition of Vulvar Lichen Sclerosus

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Authors

XSXiaoyi SunCLCenxi LiuYSY X Sun

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Overview

Analysis reveals cellular shifts and inflammatory pathways in vulvar lichen sclerosus, indicating potential treatment targets.

Key Points

  • The aim is to investigate cellular composition and gene pathway changes in vulvar lichen sclerosus (VLS) tissue compared to normal skin.
  • Conducted single-cell RNA sequencing on 4 VLS samples and normal vulvar skin samples.
  • Performed lipid metabolism analysis on 15 VLS samples.
  • Utilized bioinformatics to assess cellular abundance and differentially expressed genes (DEGs).
  • Validated DEGs through immunofluorescence.
  • Analyzed cell communication among various cell types.
  • Significant changes in cell-type abundance with increased T cells and decreased fibroblasts, keratinocytes, and melanocytes in VLS samples.
  • Upregulation of lymphocyte-mediated immunity, particularly in T cells.
  • Increased interactions between T cells and fibroblasts observed.
  • Key pro-inflammatory factors (GZMB, IFN-γ, TNF-β) significantly elevated in VLS tissues.
  • Abnormal keratin expression and disordered structure in the basal layer of VLS tissues.

Cite This Study

Sun et al. (2026) studied this question.

synapsesocial.com/papers/69994cc2873532290d0217echttps://doi.org/10.1097/lgt.0000000000000932
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