September 2025 in “International Journal of Molecular Sciences” This study found that Hashimoto's thyroiditis and alopecia areata show distinct gut microbial patterns, with specific microbes like Bacteroides fragilis and Microbacterium sp. T32 potentially linked to autoimmune activity.
December 2025 in “Cosmetics” This research identified unique gut microbiota patterns in alopecia areata patients, with potential as diagnostic biomarkers and suggesting avenues for microbiota-focused therapies.
November 2023 in “Journal of Investigative Dermatology” Inhibiting EGFR weakens skin's defense against bacteria.
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January 2021 in “Dermatology and therapy” This review discusses the role of gut microbiota in autoimmune and immune-mediated dermatological conditions like lupus and psoriasis, but reports no new clinical results; the authors emphasize the need for further study into microbial signatures and treatments.
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June 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, researchers identified unique prenatal lymphocyte features in human fetal skin, including proliferative naive T cells and memory-like T cells, which may influence antigen and allergen responses in utero and infancy.