April 2023 in “Journal of Investigative Dermatology” 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.
21 citations
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August 2011 in “BMB Reports” This study successfully established an immortalized human dermal papilla cell line that maintains characteristics of original cells without malignant transformation, potentially benefiting hair research.
Results are not reported in this abstract, which notes that while Janus kinase inhibitors like baricitinib show therapeutic benefits for alopecia areata, the mechanisms and reliable predictors of response remain unclear.
15 citations
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October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that erlotinib exacerbates inflammation in a mouse model of skin disease and that IL-1 inhibition could mitigate skin-related side effects of EGFR inhibitors.
12 citations
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May 2003 in “Journal of dermatological science” This study found that the heat shock cognate protein Hsc70 was differentially expressed by dihydrotestosterone treatment in SV40-transformed dermal papilla cells, suggesting its involvement in androgen action on these cells.
November 2025 in “The Journal of Immunology” This study identified specific genes upregulated in skin γδ T cells involved in alopecia areata, with findings suggesting these cells contribute to disease pathogenesis through inflammatory and Th1 response mechanisms in mouse and possibly human skin.
23 citations
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January 2024 in “Nature Immunology” 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.
September 2025 in “Experimental & Molecular Medicine” This study observed that the small molecules KY19382 and KY19334 inhibited cancerous traits in human cutaneous squamous cell carcinoma cells by suppressing the Wnt/β-catenin pathway, indicating their potential as treatments for cancers involving CDK1 overexpression and diseases related to CXXC5 accumulation.
123 citations
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September 1987 in “JAMA” This study observed that patients receiving IL-2 immunotherapy developed a skin eruption characterized by burning and pruritus, which resolved shortly after stopping the infusion, suggesting that IL-2 mediated these effects.
7 citations
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January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that epithelial cells in the skin of live mice regulate the density and spatial organization of immune cells, which actively maintain their position despite constant cell turnover.
July 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, researchers observed that TCDD exposure in mice enhanced sebaceous gland differentiation and lipid production before causing seboatrophy, providing insights into the cellular events that may contribute to chloracne pathogenesis.
44 citations
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September 2016 in “American Journal Of Pathology” This study identified a subpopulation of neural crest-derived progenitor cells in human corneal endothelial tissue from normal and Fuchs endothelial corneal dystrophy donors, which may have potential for future cell therapy development.
48 citations
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June 2000 in “Japanese Journal of Cancer Research” This study found that dimethylarsinic acid significantly accelerates skin tumor development in hair follicle-targeted K6/ODC transgenic mice.
2 citations
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May 2008 in “Journal of Clinical Oncology” This study found that patients with unresectable melanoma treated with AZD6244 experienced skin reactions, including depigmentation and papulopustular rashes, in patterns similar to those caused by EGFR inhibitors.
In this study, researchers identified IL18R+ thymus-resident regulatory T cells in mice, demonstrating their unique molecular features and resistance to age- and stress-induced thymus involution, highlighting IL18 signaling's role in Treg migration and retention.
18 citations
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December 2016 in “European journal of pharmacology” In this study, 12-Chloracetyl-PPD showed anti-cancer activity by inhibiting cancer cell viability and inducing apoptosis through reactive oxygen species production without harming normal cells.
60 citations
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September 2015 in “Expert Review of Clinical Immunology” This study suggests that CD8+ cytotoxic T lymphocytes play a crucial role in the development of alopecia areata, based on observations in rodent models that mimic human autoimmune disease.
5 citations
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September 2022 in “Research Square (Research Square)” This study identified CD201+ fibroblast progenitors in mouse skin that regulate wound healing through differentiation into specialized cell types, with retinoic acid and hypoxia influencing this process.
July 2026 in “The Journal of Immunology” This study found that C3H mice with prior microbial exposure developed alopecia areata at a reduced rate and had fewer associated T cells compared to controls, suggesting that prior infections might attenuate autoimmune responses related to the disease.
60 citations
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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.
23 citations
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May 2013 in “Virology” This study found that HPV16 oncogene expression in multipotent epithelial stem cells led to abnormal mobilization, altering their quiescence without affecting other stem cell markers, suggesting a distinct stem cell compartment.
January 2026 in “Dermatology and Therapy” This study found that patients with alopecia areata receiving ritlecitinib showed immune responses to meningococcal and tetanus vaccines, achieving significant antibody levels after vaccination, and no vaccine-related adverse events or disease exacerbations were reported despite a small sample size.
2 citations
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May 2023 in “Cancer medicine” This review reports that KRT80 is overexpressed in various cancers, enhancing cancer cell proliferation, invasiveness, and migration, suggesting it as a potential therapeutic target, though more clinical studies are needed to fully understand its role in cancer prognosis.
April 2019 in “Journal of Investigative Dermatology” This study found that blocking LFA-1 signaling completely prevented the development of alopecia areata in C3H/HeJ mice, suggesting that LFA-1 plays a crucial role in the disease's pathogenesis and could be a target for new therapies.
9 citations
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April 2010 in “The Journal of Dermatology” This study suggests that nestin is an important marker for identifying HMB-45-negative cells in nodular melanomas, particularly in the dermal parts.
26 citations
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May 2020 in “JCI Insight” In this study, single-cell sequencing revealed clonal expansions of CD4+ and CD8+ T cells in murine and human alopecia areata, supporting the development of predictive models for human disease.
323 citations
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April 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that 40 nm nanoparticles can effectively penetrate into hair follicles and epidermal Langerhans cells in human skin samples, potentially enabling efficient transcutaneous vaccine delivery.
9 citations
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September 2009 in “PubMed” This case report presents the first evidence of significant antigen presenting cells around hair follicles in a patient with alopecia due to active systemic lupus erythematosus.
4 citations
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January 2016 in “Methods in molecular biology” This chapter reviews the methodology for isolating and differentiating CD34+ HAP stem cells into neural cells, but provides no new research results.
September 2025 in “Journal of the American Academy of Dermatology” Ritlecitinib may help treat alopecia areata by protecting hair follicles.