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This study found that intracellular Toll-like receptors were significantly up-regulated in peripheral blood mononuclear cells of alopecia areata patients, suggesting a potential role in inflammatory signaling and pathogenesis.

This study found that antroquinonol inhibited CD8+ T cell proliferation and reduced proinflammatory cytokine secretion in vitro, while also ameliorating H2O2-induced depigmentation and resisting reductions in hair follicle length, skin thickness, and tyrosinase expression in mice.

This review examines various immunomodulatory therapies for cutaneous lymphoma and notes that they are most effective in the disease's early stages.

This study found that deleting specific super-enhancer regions in mice affects CD25 expression in a cell type-specific manner, leading to autoimmune alopecia in some cases and revealing distinct regulatory mechanisms for constitutive and inducible expression of CD25.

This study found that alopecia areata is linked to genetic factors, specifically HLA haplotypes on chromosome 6, and involves immune privilege collapse at hair follicles which is mediated by the JAK-STAT pathway and pro-inflammatory cytokines like IFN-γ.

In this study, certain cytokines and growth factors were found to significantly regulate hair growth in vitro, with EGF, TNFα, and IL-1β particularly inhibiting it.

This review discusses the complexities of hidradenitis suppurativa pathogenesis, highlighting issues with Notch signaling, immune dysregulation, and the role of keratinocytes and ECM, but reports no new clinical results.

This study observed that patients with recurrent furunculosis had different cytokine profiles compared to healthy subjects and that retinol stimulation altered cytokine secretion in both groups.

This study found that alopecia areata patients who responded poorly to topical immunotherapy had impaired peripheral blood mononuclear cell responses to T-cell stimulants.

This study found that the Yangyin Qingre Huoxue Prescription effectively reduced the progression of atherosclerosis in mice, with lipid-regulating and anti-inflammatory functions and lower hepatotoxicity than simvastatin.

This study tested a hydrogel microneedle patch delivering T reg attractants in mice with alopecia, finding it boosted regulatory T cell numbers at the site, leading to hair regrowth without causing peripheral immunosuppression, suggesting a potential new approach for autoimmune skin disease treatment.

This review discusses recent advances in the treatment of alopecia areata, highlighting new potential therapies like JAK inhibitors and PRP, and reports no new clinical results.

Specific immune cells cause alopecia areata and blocking certain proteins can prevent it.

This article reviews the emerging non-inflammatory roles of regulatory T cells in the skin and reports no new clinical findings, suggesting broad biological influence beyond traditional immune functions.

This review explores the role of Tregs in autoimmune skin diseases, transplantation, and skin cancer, and discusses Tregs-based therapies' potential for treating autoimmunity without reporting new experimental results.

This review discusses recent advances in understanding alopecia areata's disease mechanisms and highlights JAK molecules as promising therapeutic targets, but reports no new clinical results; controlled trials are needed.

This study highlights the genetic complexities in alopecia areata, emphasizing the role of microRNAs and their association with other immune-related diseases, which could inform targeted treatment strategies.

In this study, researchers found that using a 5-α reductase inhibitor may reduce inflammation-related cytokines associated with T-helper cell 1 and T-helper cell 2 in prostate tissues after surgery, but it did not affect those related to Th17 cells.

This study found that topical simvastatin induced remission and hair regrowth in a mouse model of alopecia areata, potentially by modulating T cell activity and reducing pro-inflammatory cytokine signaling.

This study identified CD28, GZMB, and CD1C as key immune regulators in alopecia areata, highlighting CD28 as a potential therapeutic target with a promising safety profile, using a proteome-anchored multi-omics approach to uncover actionable targets for this autoimmune hair-loss disorder.

This study found that γδTregs can prevent and treat alopecia areata in a mouse model with human scalp transplants, suggesting potential for cell-based therapies in autoimmune diseases like alopecia.

This source concludes that repurposing existing drugs, such as using metformin with other treatments in advanced non-small cell lung cancer, may enhance cancer patient outcomes, although various technical and legal challenges need addressing.

Increased Treg cells and IL-10 may help quick recovery in acute diffuse and total alopecia.

This study found that plasmacytoid dendritic cells may initiate alopecia areata in mice by overexpressing interferon-alpha.

This review discusses recent genome-wide association studies identifying novel candidate genes for various forms of alopecia, providing insights into their pathogenesis and molecular mechanisms, but reports no new clinical results.

Cyclosporin A and FK506 can start new hair growth in mice, but ascomycin and rapamycin cannot.

This chapter reviews studies on the side effects of cytostatics and immunosuppressive drugs, detailing various toxicities such as cardiovascular, pulmonary, and neurotoxicity, but provides no new clinical results.

Enhancing Tregs can protect against alopecia areata.

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

In this study, JAK inhibitors were reported as safe and effective treatments for moderate-to-severe chronic alopecia areata, although the appropriate duration of treatment remains uncertain, as stopping these medications often results in relapse.