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October 17, 2025AllergyOpen Access

Single Cell Analysis Reveals Dynamic Changes of Distinct Cell Populations in Human Nickel Allergy

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Authors

MSMarc SchmidtUniversitätsklinikum WürzburgAKAndrea KnorzKMKatharina MederUniversitätsklinikum Würzburg

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Implication

Single-cell analysis reveals distinct T cell populations and immune reactions in nickel allergy, highlighting mechanisms of delayed-type hypersensitivity.

Key Points

  • Distinct cell populations including endothelial cells and dendritic cells are activated in nickel allergy.
  • Massive infiltration of KLF2+ central memory T cells occurs after 72 hours, indicating a robust immune response.
  • Single-cell RNA sequencing techniques reveal significant changes in T cell compartments with nickel exposure.
  • Skin-resident T cells do not contribute to early responses, suggesting a reliance on circulating T cells.

Cite This Study

Schmidt et al. (2025) studied this question.

synapsesocial.com/papers/68f199d1de32064e504dd588https://doi.org/10.1111/all.70108
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