Article Dans Une Revue Nature Communications Année : 2025

Systems immunology integrates the complex endotypes of recessive dystrophic epidermolysis bullosa

Nell Hirt
Enzo Manchon
Patrice Hemon
Safaa Saker-Delye
  • Fonction : Auteur
Helene Le Buanec
Reem Al-Daccak

Résumé

Abstract Endotypes are characterized by the immunological, inflammatory, metabolic, and remodelling pathways that explain the mechanisms underlying the clinical presentation (phenotype) of a disease. Recessive dystrophic epidermolysis bullosa (RDEB) is a severe blistering disease caused by COL7A1 pathogenic variants. Although underscored by animal studies, the endotypes of human RDEB are poorly understood. To fill this gap, we apply systems immunology approaches using single-cell high-dimensional techniques to capture the signature of peripheral immune cells and the diversity of metabolic profiles in RDEB adults, sampled outside of any opportunistic infection and active cancer. Our study, demonstrates the particular inflammation and immunity characteristics of RDEB adults, with activated / effector T and dysfunctional natural killer cell signatures, concomitant with an overall pro-inflammatory lipid signature. Artificial intelligence prediction models and principal component analysis stress that RDEB is not solely confined to cutaneous issues but has complex systemic endotypes marked by immune dysregulation and hyperinflammation. By characterising the phenotype-endotype association in RDEB adults, our study lays the groundwork for translational interventions that could by lessening inflammation, alleviate the everlasting suffering of RDEB patients, while awaiting curative genetic therapies.

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inserm-05385897 , version 1 (27-11-2025)

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Nell Hirt, Enzo Manchon, Qian Chen, Clara Delaroque, Aurelien Corneau, et al.. Systems immunology integrates the complex endotypes of recessive dystrophic epidermolysis bullosa. Nature Communications, 2025, 16 (1), pp.664. ⟨10.1038/s41467-025-55934-7⟩. ⟨inserm-05385897⟩
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