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This research explored the roles of various T cell types in chronic alopecia areata, finding that increased severity of lesions and hair loss may be linked to decreased lesional Foxp3+ Tregs, with a notable role for IL-17 and Th17 lymphocytes in the pathological process.

Expanding regulatory T cells may help treat alopecia areata by reducing harmful immune cells.

In this study, hair follicle-derived mesenchymal stromal cells showed potential for immunomodulation, with equivalent or superior responses compared to those from adipose tissue, suggesting a promising alternative cell source.

This study found that regulatory T cells accumulate in hair follicle epithelium via the Cxcr4-Cxcl12 axis, partially influenced by glucocorticoid receptor signaling, promoting hair regeneration; similar mechanisms were observed in human and murine skin.

This study found that MDSC exosomes promoted partial hair regrowth and modulated immune responses in mice with alopecia areata, suggesting potential as a treatment for autoimmune diseases.

Regulatory T cells help prevent autoimmunity and have potential for treating autoimmune diseases.

This article discusses the role of regulatory T cells in alopecia areata, where their deficiency in hair follicles may lead to impaired local immunity and suggests potential therapies like CAR-T reg cells and low-dose IL-2 to alleviate autoimmunity and promote hair regeneration in affected individuals.

This review explores the current and experimental therapies for chronic wounds, emphasizing the potential of cellular and immunotherapies in addressing these persistent conditions, but notes a shortage of comprehensive studies on their effectiveness.

This review discusses the role of the skin microbiome in maintaining health and modulating atopic dermatitis, emphasizing the need for novel therapeutic strategies, but reports no new clinical results.

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 review explores the hair follicle microbiome's interaction with the immune system, discussing its potential clinical implications for scalp health and disease but reports no new clinical results.

This review discusses potential immune therapies targeting regulatory T cells for age-related diseases and emphasizes the need for further research to translate these therapies into clinical practice.

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 review discusses the complex role of immune disturbances and the JAK-STAT pathway in alopecia areata, noting the success of JAK inhibitors in treatment, while highlighting ongoing debates and challenges in targeting other pathways like IL-17 and TNF-α.

This review highlights that T cells are crucial in regulating hair follicle regeneration and their disruption can lead to alopecia, providing insights into hair disorders related to T cell immune balance and hair follicle regeneration.

This study found that a specific mutation in the mouse RXRalpha gene significantly impacts immune responses and causes hair loss and skin cysts.

This review explored recent research on the immune mechanisms and potential therapeutic targets for alopecia areata, highlighting the roles of immune-related cells, autocrine and paracrine signaling, as well as factors like adipose-derived stem cells and gut microbiota in disease pathogenesis.

Specific immune cells and pathways contribute to hair follicle inflammation and hair loss, suggesting potential treatments for lichen planopilaris.

This review discusses the heterogeneity of Tregs in normal and tumor environments, emphasizing the complexity of targeting tumor-resident Tregs while maintaining systemic immune tolerance, but reports no new findings.

This review discusses the potential benefits of photobiomodulation for managing side effects of cancer therapy and provides specific guidelines for its use in supportive cancer care, without presenting new clinical results.

This study found that direct co-culture of human bone marrow-derived mesenchymal stromal cells with regulatory T cells enhanced osteogenic gene expression, alkaline phosphatase activity, and matrix mineralization, suggesting Treg's potential in promoting bone regeneration by modulating BMSC mechanobiology through the ROCK-myosin signaling pathway.

This study provides a framework for understanding different types of alopecias based on immune privilege collapse at specific follicular sites, revealing distinct patterns in immune effector programs and stromal influences depending on the alopecia type.

In this study, Erianin was found to significantly suppress alopecia areata in a mouse model by inhibiting effector T cell function, reversing systemic symptoms, and promoting hair growth.

This review discusses the potential of combining low-dose IL-2 with islet antigens to enhance antigen-specific Treg function in type 1 diabetes, but reports no new clinical results.

This study suggests that low-dose IL-2 and IL-15 may help restore immune tolerance in alopecia areata by maintaining Treg cell function, presenting a potential new treatment strategy.

This review examines the role of innate lymphoid cells in allergic diseases and the influence of an allergic microenvironment on their plasticity, without reporting new clinical outcomes.

The researchers reported that dsRNA from damaged skin activates TLR3, promoting hair follicle regeneration, while TLR3-deficient animals fail to initiate this process, suggesting potential therapeutic approaches for hair neogenesis.

In this study, researchers found that hair follicle stem cells activate an immune-modulatory program during wound healing, promoting Treg cell expansion and aiding skin repair, while deleting certain immune components impaired healing and increased inflammation in a mouse model.

This study found that systemic administration of NDP-MSH, a melanocortin receptor agonist, provided neuroprotective effects on dopaminergic nigrostriatal neurons in a mouse model of Parkinson's disease, reducing neuroinflammation and suggesting a role for regulatory T cells in these neuroprotective effects.

This review examines clinical data on the efficacy and safety of JAK inhibitors used for immune-mediated conditions beyond rheumatoid arthritis, highlighting their potential therapeutic roles in various inflammatory diseases.