155 citations
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May 2016 in “Nature communications” This study found that mouse skin CD4(+) memory T cells are in equilibrium with the circulation under steady state but increase in specific clusters in response to infection or inflammation.
77 citations
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June 2002 in “Journal of Investigative Dermatology” CD44 variant changes start alopecia areata, but don't maintain it.
71 citations
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May 2019 in “Rheumatology” This study observed that PD-1+CXCR5-CD4+T peripheral helper cells are significantly elevated in patients with systemic lupus erythematosus and are correlated with disease activity indicators, suggesting their potential role in lupus pathogenesis.
6 citations
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April 2017 in “Experimental dermatology” This study found that B6.CD80CD86−/− mice developed autoimmune-like alopecia with nearly 100% incidence by 40 weeks, making them a promising model for studying human alopecia areata.
1 citations
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May 2023 in “The Journal of Immunology” In this animal study, researchers discovered that CD4 T cells from mice with alopecia areata can induce the disease more efficiently than those from unaffected mice, likely by supporting CD8 T cell activation and hair follicle attack.