期刊
FRONTIERS IN IMMUNOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2022.1005115
关键词
psoriasis; type 17 T-cells; regulator T-cell; type 1 regulatory T-cell; regulatory dendritic cell; immune tolerance; immune homeostasis
类别
资金
- National Center for Advancing Translational Sciences (NCATS), National Institutes of Health (NIH) Clinical and Translational Science Award (CTSA) program [UL1TR001866]
- Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) pilot research grant
Psoriasis vulgaris is a common inflammatory disease affecting 7.5 million adults in the US, with immunopathogenesis paradigms rapidly evolving due to advancements in technology. Single-cell RNA sequencing technology is now being applied to clinical trials of biologics to test the expansion of regulatory immune cell subsets involved in skin homeostasis.
Psoriasis vulgaris is a common inflammatory disease affecting 7.5 million adults just in the US. Previously, psoriasis immunopathogenesis has been viewed as the imbalance between CD4(+) T-helper 17 (Th17) cells and regulatory T-cells (Tregs). However, current paradigms are rapidly evolving as new technologies to study immune cell subsets in the skin have been advanced. For example, recently minted single-cell RNA sequencing technology has provided the opportunity to compare highly differing transcriptomes of Type 17 T-cell (T17 cell) subsets depending on IL-17A vs. IL-17F expression. The expression of regulatory cytokines in T17 cell subsets provided evidence of T-cell plasticity between T17 cells and regulatory T-cells (Tregs) in humans. In addition to Tregs, other types of regulatory cells in the skin have been elucidated, including type 1 regulatory T-cells (Tr1 cells) and regulatory dendritic cells. More recently, investigators are attempting to apply single-cell technologies to clinical trials of biologics to test if monoclonal blockade of pathogenic T-cells will induce expansion of regulatory immune cell subsets involved in skin homeostasis.
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