February 2026 in “Figshare” In this study, researchers developed a biocompatible, ROS-responsive hydrogel to deliver miR-665 locally, effectively reducing inflammatory signaling and promoting hair follicle regeneration in an alopecia areata mouse model, offering a promising approach for targeted treatment.
February 2026 in “Figshare” This study found that a newly developed biocompatible hydrogel, responsive to reactive oxygen species, enabled targeted delivery of miR-665, significantly promoting hair regeneration and reducing T-cell infiltration in a mouse model of alopecia areata, suggesting a promising strategy for treating this condition.
January 2026 in “Journal of Ethnopharmacology” Cedrol promotes hair growth better than baricitinib by regulating immune cells.
May 2025 in “Frontiers in Pharmacology” This study investigated alopecia areata in a mouse model, finding that tofacitinib may inhibit disease progression by modulating linoleic acid metabolism and magnesium pathways, particularly affecting CD8+ T cell infiltration in hair follicles, offering insights for potential treatments.
52 citations
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December 2014 in “Journal of Dermatological Science” Apremilast may help treat hair loss in alopecia areata.
October 2025 in “Science Advances” In this study, researchers demonstrated that CD4 T cells from skin-draining lymph nodes in mice with alopecia areata can transfer the disease to recipient mice, revealing a critical role for CD4 T cells in disease development and suggesting potential therapeutic targets.
27 citations
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January 2020 in “Experimental Dermatology” This review discusses the role of immune cells in mammalian hair cycle control and highlights their potential relevance to human hair cycling disorders, reporting no new clinical findings.
2 citations
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February 2022 in “Journal of Pharmacy and Pharmacology” In this study, two methotrexate-loaded liquid crystal formulations for topical application showed immunomodulatory effects and induced skin changes in mice with imiquimod-induced psoriasis.
September 2016 in “Journal of Dermatological Science” This study found that plasmacytoid dendritic cells may initiate alopecia areata in mice by overexpressing interferon-alpha.
January 2026 in “Microorganisms” In a DNFB-induced mouse model of atopic dermatitis, this study found that both topical and oral formulations of the probiotic Bifidobacterium animalis J12 improved AD symptoms through distinct mechanisms, with topical applications reducing local inflammation and oral administration enhancing gut microbiota and reducing systemic inflammation.
December 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” In a mouse model study, researchers observed that the absence of MCPIP1 in myeloid cells decreased susceptibility to chemically induced skin papillomas but caused significant hair loss and skin pigmentation changes, suggesting a role for MCPIP1 in skin carcinogenesis and follicle integrity.
March 2024 in “International journal of molecular sciences” This review summarizes current literature associating mitochondrial dysfunction with dermatologic issues like skin aging, hair loss, and poor wound healing, noting potential benefits in targeting mitochondrial components for treatments.
This review summarizes methods for creating alopecia areata animal models and reports no new results, emphasizing that improved evaluation and combined disease models are needed for future research.
9 citations
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April 2016 in “Australasian journal of dermatology” This study suggests that adding imiquimod to diphenylcyclopropenone treatment significantly improves outcomes for alopecia areata patients who initially do not respond to diphenylcyclopropenone alone.
1 citations
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December 2025 in “Scientific Reports” In this study, researchers developed a predictive model for the onset of alopecia areata by analyzing six datasets to identify key feature genes and employing various machine learning algorithms, ultimately finding the XGBoost model most effective for clinical application.
In this study, researchers found that CD4 T cells from the skin draining lymph nodes of mice with alopecia areata can transfer the disease to recipient mice, highlighting the key role of these cells and their interaction with CD8 T cells in the disease's development.
March 2026 in “Archives of Dermatological Research” Amlodipine cream may help hair growth by improving blood flow.
25 citations
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July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that applying topical imiquimod during mid and late telogen in mice activates hair follicle stem cells and influences immune cell infiltration, promoting hair cycle entry independently of Wnt signaling.
April 2026 in “Cellular and Molecular Immunology” In a conditional knockout mouse model, this study found that loss of the transcription elongation factor SPT6 in basal keratinocytes led to psoriasis-like skin inflammation and delayed wound healing, suggesting SPT6 plays a crucial role in maintaining epidermal immune quiescence by suppressing proinflammatory NF-κB signaling.
3 citations
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July 2023 in “International journal of molecular sciences” This review discusses the association between emotional stress-related neuropeptides and the pathogenesis of alopecia areata, reporting no new experimental findings.
November 2025 in “Frontiers in Immunology” This review integrates studies on mouse models and human clinical observations to highlight the role of immune cells in skin development and how their dysregulation leads to skin disorders, suggesting potential therapeutic pathways for skin regeneration.
52 citations
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March 2010 in “British Journal of Dermatology” This study demonstrated the expression of type 1 interferon-related proteins in inflammatory lesions of alopecia areata, showing a distinct distribution pattern compared to cicatricial alopecia.
April 2024 in “Cell death and differentiation” This study discusses how different modes of regulated cell death in keratinocytes affect skin stem cell niches, and their role in skin inflammation, injury repair, and cancer, based on findings from human dermatological conditions and experimental mouse models.
1 citations
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July 2023 in “Journal of Clinical Medicine” This review provides a detailed overview of the causes, prevalence, pathophysiology, clinical presentation, and treatment of beard alopecia, highlighting conditions such as alopecia areata, pseudofolliculitis barbae, and tinea barbae, and aims to serve as a resource for clinicians handling such cases.
13 citations
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August 2024 in “iScience” This study found that 3D spheroid culture reprogrammed mesenchymal stem cells into a uniform immunosuppressive phenotype, suggesting potential therapeutic applications for inflammatory diseases like psoriasis.
6 citations
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January 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that topically applied liposomal spherical nucleic acids targeting the IL-17 receptor could effectively reduce psoriasis severity in preclinical models.
April 2026 in “Cosmetics” In this review, several studies on Astragalus species, particularly Astragalus membranaceus, highlight their skin rejuvenating, photoprotective, antimicrobial, and wound-healing properties, though the authors note limitations due to reliance on non-human studies and short trial durations.
43 citations
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February 2019 in “International immunology” This review examines the role of regulatory T cells in skin immune disorders, highlighting their unique functions in conditions like scleroderma, alopecia areata, and psoriasis, without reporting new clinical results.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study demonstrated that disrupting EGFR signaling in mice leads to immune sensitivity compromising the hair follicle's protective environment, but JAK1/2 inhibition can restore this immune privilege and stimulate hair growth, suggesting a potential therapy for scarring hair loss diseases like cicatricial alopecia.
April 2024 in “International journal of molecular sciences” This source reports that for treating keloids and hypertrophic scars, combination pharmacotherapy targeting multiple sites is generally more effective than using a single drug, though outcomes of individual therapies vary and the development of satisfying treatments is ongoing.