August 2026 in “Frontiers in Medicine” 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.
26 citations
,
September 2023 in “Journal of Allergy and Clinical Immunology” Regulatory T cells help prevent autoimmunity and have potential for treating autoimmune diseases.
18 citations
,
August 2024 in “eLife” This study investigated immune dysregulation in individuals with Down syndrome and found that treatment with the JAK inhibitor tofacitinib improved skin conditions like alopecia areata and reduced autoimmune markers without severe side effects. Additional research is necessary to understand its broader impacts.
2 citations
,
December 2024 in “eLife” This study observed that individuals with Down syndrome exhibit early immune dysregulation, including multi-organ autoimmunity and hypercytokinemia, and found that the JAK inhibitor tofacitinib showed a good safety profile and reduced skin pathology in a Phase II trial.
13 citations
,
November 2021 in “Frontiers in Immunology” This research reported that melatonin may serve as a potential treatment for both rosacea and Alzheimer's disease by regulating inflammation and vascular signaling pathways, demonstrating effectiveness in reducing symptoms associated with rosacea-like skin lesions in experimental settings.
8 citations
,
August 2025 in “Journal of Translational Medicine” This comprehensive review suggests that CD44 signaling plays a significant role in post-natal skin wound healing and scar formation, with potential for therapeutic approaches targeting CD44 to shift from fibrotic scarring towards regenerative healing, including wound regeneration and hair neogenesis.
134 citations
,
July 2020 in “Experimental dermatology” 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.
122 citations
,
April 2020 in “American Journal Of Pathology” This review discusses the multiple factors contributing to skin aging, including cellular changes and environmental influences, and highlights its recognition as a disease with significant implications beyond cosmetic concerns, without reporting new research results.
72 citations
,
July 2022 in “Frontiers in Systems Biology” This review provides a comprehensive guide to the human microbiome and reports no new experimental results; it highlights the impact of modern lifestyles on microbial homeostasis and the necessity of conservation efforts.
60 citations
,
September 2023 in “Science” This study found that the restoration of CD103⁺γδ T cells in humans is associated with sustained remission in inflammatory bowel disease, suggesting a conserved role for these cells in limiting disease progression.
59 citations
,
September 2021 in “Journal of Allergy and Clinical Immunology” This study found IL-17/IL-36 signaling to be predominant in both endotypes of Netherton syndrome, with distinct molecular profiles between NS-ILC and NS-SE lesions, offering potential therapeutic targets.
11 citations
,
September 2023 in “Nature Communications” In this study, researchers found that the cell surface protein Lrig1 plays a crucial role in regulating the suppressive function of regulatory T cells, suggesting it as a potential target for treating autoimmune diseases, as evidenced by experiments in mouse models.
6 citations
,
December 2022 in “Cell reports” This study found that feeding mice a high-fat diet with fish oil leads to hair loss through a mechanism involving omega-3 fatty acids and TNF-α signaling, with epidermal fatty acid binding protein playing a key role.
5 citations
,
February 2025 in “Cell Reports” In this study, inducible whole-body Acly-knockout mice revealed that ACLY is essential for skin homeostasis, as its deficiency led to increased sebum production and skin abnormalities, indicating a vital role for cytosolic acetyl-CoA synthesis in preserving skin barrier integrity and systemic lipid regulation.
3 citations
,
January 2025 in “JID Innovations” This review reports that the unique tunnel structures in advanced hidradenitis suppurativa impair quality of life and resist biological therapy, with their formation involving complex cellular and molecular interactions, including microbial dysbiosis, all contributing to ongoing inflammation and scarring.
3 citations
,
March 2024 in “Viruses” This study found that γδ T cells in the skin contribute to wound healing after vaccinia virus infection by promoting cytokine and growth factor induction, without affecting virus replication control.
2 citations
,
June 2025 in “Preprints.org” This review highlights the potential of amphiregulin as a therapeutic target, noting its role in both fibrotic and malignant diseases, and discusses promising early findings but reports no new clinical results.
1 citations
,
July 2025 in “Barrier Immunity” This review synthesizes existing research on the multilayered defense system of the skin, highlighting how physical, chemical, immune, and microbial barriers work together to maintain skin health, with disruptions in one often leading to broader barrier dysfunctions.
1 citations
,
January 2023 in “International Journal of Molecular Sciences” 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.
August 2026 in “Immunity & Inflammation” In this review, the authors discuss how niche-specific immunometabolic regulation influences tissue repair across various organs by highlighting the complex, context-dependent interaction between immune metabolism and tissue-specific regenerative outcomes.
February 2026 in “BMC Genomics” This study found that MEG3-miRNAs are key regulators of the age-dependent crimped wool trait in Tan sheep, likely influencing primary follicle development and degeneration through immune-inflammatory pathways.
October 2025 in “Cell Reports” 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.
August 2024 in “Receptors” This review highlights the crucial role of vitamin D signaling in epidermal stem cells during skin wound healing, emphasizing its distinct functions from calcium metabolism and its importance in genomic regulation mediated by the vitamin D receptor.
701 citations
,
August 2014 in “Nature medicine” This study found that JAK inhibitors promote hair regrowth in both mice and human alopecia areata cases by blocking key immune pathways involved in disease development.
49 citations
,
August 2022 in “Frontiers in Immunology” This paper discusses the evolving understanding of psoriasis pathogenesis with no new clinical findings; the authors highlight the role of T-cell plasticity and regulatory cells, calling for further clinical applications using single-cell technologies.
5 citations
,
May 2021 in “EMBO journal” This review discusses the role of polarity signaling in coordinating tissue mechanics, micro-environmental functions, and cell fate decisions, but it reports no new results, highlighting the need for further study in mammalian models.
2 citations
,
April 2025 in “Journal of Investigative Dermatology” T cells affect skin cell genes in inflammatory diseases, and therapy can normalize these changes.
2 citations
,
October 2022 in “Journal of Biomedical Science” This review discusses the potential of secretome derived from stem cells for treating alopecia areata and reports no new clinical results; the authors suggest the need for further human trials.
May 2023 in “Frontiers in Immunology” 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.
488 citations
,
July 2021 in “Cell” This review discusses the development, lineages, functions, and roles of fibroblasts in fibrosis across four organs, highlighting their capabilities in tissue repair and contributions to fibrotic disorders when aberrantly activated, but it reports no new experimental findings.