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In this study, treating refractory alopecia universalis with low-dose cyclosporine A and prednisolone improved symptoms, with no recurring alopecia six months post-treatment and enhancements in immunologic function.

This study found that skin-resident Treg cells regulate hair follicle stem cell proliferation and differentiation through the Jag1-Notch signaling pathway, influencing hair regeneration.

This study used advanced single-cell RNA and chromatin sequencing to investigate differences in peripheral blood cells between mild and severe alopecia areata patients, uncovering shared transcription factor motifs that may explain disease severity and open avenues for future research on therapeutic targets.

This study used digital-light-processing bioprinting to create a 3D skin-on-a-chip model with a miniaturized vascular network to closely study immune cell interactions similar to real human skin, demonstrating the potential to analyze immune-T cell trafficking influenced by skin signals.

Aging skin is affected by inflammation, reduced stem cell function, and slower wound healing.

This review discusses immune privilege in anagen hair follicles and its collapse in alopecia areata, emphasizing the importance of restoring this function for effective management and disease relapse prevention.

This study found that deleting Stim1 and Stim2 in mature T regulatory cells disrupts Ca 2+ signaling, preventing their differentiation and leading to severe autoimmune disorders in mice.

In this study, conditional deletion of BRD4 in OX40-expressing cells of mice led to alopecia, dermatitis, and loss of hair follicle stem cell function, revealing BRD4's role in skin inflammation and stem cell regulation.

This study reported that in mice with rapamycin-induced thymic atrophy, Angelica sinensis promoted thymic cortical regeneration and functional recovery by activating the Wnt/CTNNB1/Foxn1 signaling pathway and improving inflammatory microenvironment, suggesting its potential benefit against immune aging.

Immune system changes may contribute to female pattern hair loss.

This review discusses how regulatory T cells, known for their immunosuppressive role, also produce repair mediators critical for tissue repair and regeneration, acting on non-immune cells in tissue-specific contexts, and highlights areas for future research in tissue repair, fibrosis, and cancer.

This review discusses the roles and mechanisms of tissue-resident regulatory T cells in immune regulation and tissue homeostasis, but reports no new experimental results.

This study found that neonatal Regulatory T cells are crucial for maintaining PPARγ signaling in hair follicles, which supports melanocyte stem cell function and skin pigmentation during early postnatal development.

This study found that DEB-BACE combined with systemic chemotherapy was more effective than chemotherapy alone for unresectable lung squamous cell carcinoma, reducing side effects and improving survival rates.

This study, using multimodal profiling in mice, found that various tissues contain unique γδ T cell subsets adapted to their environment, revealing their functional diversity, lineage relationships, and similarities to CD8+ tissue-resident memory T cells.

This review discusses progress in targeted therapies for vitiligo, focusing on Janus kinase inhibitors and the potential of mesenchymal stem cells, but reports no new clinical results.

This review discusses recent advancements in targeted therapies for vitiligo, highlighting the therapeutic potential of JAK inhibitors and mesenchymal stem cell-derived extracellular vesicles, and reports no new clinical results.

This review summarizes recent findings on FOXN1's essential role in thymus and skin biology and discusses emerging therapeutic approaches for immune disorders with athymia, but reports no new clinical results.

In this study, thymic stromal lymphopoietin (TSLP) induced IL-4/IL-13 from T cells, prompting sebum secretion and adipose loss, suggesting IL-4/IL-13 may affect skin barrier function in atopic dermatitis.

This review discusses the relationship between ectodermal alterations and immunodeficiencies, particularly the roles of hyper-IgE syndrome, ectodermal dysplasia, and FOXN1 gene mutations, but it presents no new research findings.

This commentary highlights that the loss of the Y chromosome may disrupt UTY/TLE1-RUNX1 interactions, potentially impacting male hematopoietic cell development and leading to conditions like acute myeloid leukemia and T-cell acute lymphoblast leukemia.

This study identified shared gene expression changes and immune cell infiltration patterns that may contribute to hair loss in alopecia areata and cutaneous lupus erythematosus, but also highlighted factors that might preserve hair in psoriasis patients.

This study reported that patients with specific Foxn1 mutations exhibited severe T-cell lymphopenia without the hair and nail abnormalities usually associated with these mutations.

This study found that B cells have dual roles in tumor immunity, with regulatory B cells potentially hindering immune responses against tumors in the melanoma mouse model.

This study found that activation of Wnt/β-catenin signaling in mouse testes promotes spermatogonial differentiation and reduces the stem cell pool, with SHISA6 inhibiting this process and maintaining stem cell characteristics.

This study reports that immunologically inert and skewed immune cell populations in developing human skin may contribute to wound healing and structural changes during skin development.

This study found that tildacerfont treatment in males with congenital adrenal hyperplasia reduced androgen levels and improved markers of testicular function, suggesting potential benefits for male reproductive health.

Recent dermatological research highlights include new virus discoveries, genetic links to skin conditions, and insights into skin healing and pigmentation.

Collagen VII helps skin heal and stay strong, sirolimus may lower skin cancer risk in kidney transplant patients, high-molecular-mass hyaluronan helps naked mole rats resist cancer, dermal γδ T cells aid in hair growth in rodents, and overexpression of IL-33 in mouse skin causes itchiness, offering a model for studying allergic inflammation treatments.

In this study, Caplan et al. found that treatment with human Tregs expanded from umbilical cord blood may modulate immune responses and improve outcomes in a rodent model of traumatic brain injury.