期刊
ALLERGY
卷 76, 期 3, 页码 804-815出版社
WILEY
DOI: 10.1111/all.14519
关键词
contact dermatitis; nickel; transcriptomics
资金
- Finnish Work Environment Fund [113314]
- Forskningsradet for halsa, arbetsliv och valfard (FORTE) [2018-00601]
- Forte [2018-00601] Funding Source: Forte
- Vinnova [2018-00601] Funding Source: Vinnova
The study identified major changes in leukocyte composition and associated immunological pathways in nickel-induced allergic contact dermatitis (nACD) affected skin. Results showed alterations in natural killer (NK) cells, macrophage polarization, and T-cell immunity at 48 and 96 hours after nickel patch test.
Background Nickel-induced allergic contact dermatitis (nACD) remains a major occupational skin disorder, significantly impacting the quality of life of suffering patients. Complex cellular compositional changes and associated immunological pathways are partly resolved in humans; thus, the impact of nACD on human skin needs to be further elucidated. Methods To decipher involved immunological players and pathways, human skin biopsies were taken at 0, 2, 48, and 96 hours after nickel patch test in six nickel-allergic patients. Gene expression profiles were analyzed via microarray. Results Leukocyte deconvolution of nACD-affected skin identified major leukocyte compositional changes at 48 and 96 hours, including natural killer (NK) cells, macrophage polarization, and T-cell immunity. Gene set enrichment analysis mirrored cellular-linked functional pathways enriched over time. NK cell infiltration and cytotoxic pathways were uniquely found in nACD-affected skin compared to sodium lauryl sulfate-induced irritant skin reactions. Conclusion These results highlight key immunological leukocyte subsets as well as associated pathways in nACD, providing insights into pathophysiology with the potential to unravel novel therapeutic targets.
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