December 2025 in “Animals” In this study on fine-wool sheep, researchers found that overexpressing the TGFBR1 gene decreased proliferation of dermal papilla cells by influencing multiple signaling pathways, suggesting TGFBR1 as a negative regulator in hair follicle development.
May 2025 in “International Journal of Trichology” In this case report, a 7-year-old boy with alopecia totalis experienced significant hair regrowth after adding topical tofacitinib and mometasone to his treatment regimen, suggesting potential benefits of topical Janus kinase inhibitors for pediatric patients with this condition.
555 citations
,
July 2001 in “Genes & Development” This study found that Tcf3 and Lef1 differently regulate cell differentiation in multipotent skin stem cells, with Tcf3 promoting follicle-like features and Lef1, when modified, promoting sebocyte differentiation.
5 citations
,
January 2021 in “Inflammatory Bowel Diseases” In this report, a female patient with ulcerative colitis, alopecia areata, and pyoderma gangrenosum showed improvement in all three conditions after being treated with tofacitinib.
April 2012 in “Informa Healthcare eBooks” Telogen effluvium is a condition that causes temporary hair loss.
8 citations
,
February 2016 in “The American Journal of Dermatopathology” In this study, the researchers found that transplanted hair follicles undergo significant morphological changes, including a thickened dermal sheath and increased hair shaft diameter, which are associated with altered follicular vascularization.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that CTCF is crucial for proper skin and hair follicle development in mice, affecting keratinocyte differentiation and gene expression in keratin loci.
This case report presented the successful treatment of a patient with alopecia universalis using tofacitinib.
2 citations
,
September 2023 in “Journal of the American Academy of Dermatology” CTP-543 effectively promotes hair regrowth in adults with moderate to severe alopecia areata.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, researchers found that TSPyV T antigens can disrupt normal cell differentiation and proliferation in hair follicles and interfollicular epidermis, possibly contributing to trichodysplasia spinulosa pathology.
1 citations
,
September 2024 in “Indian Journal of Postgraduate Dermatology” In this report, trichoscopy was highlighted as a valuable tool for diagnosing temporal triangular alopecia in children due to its ability to reveal distinctive patterns that differentiate it from similar conditions like alopecia areata, eliminating the need for invasive biopsy.
1 citations
,
September 2019 in “Springer eBooks” Telogen effluvium is a condition that causes temporary hair loss due to stress or shock to the body.
March 2025 in “Indian Journal of Dermatology Venereology and Leprology” In this study, tofacitinib showed significant efficacy in treating alopecia totalis and universalis over a 6-month period, with notable hair regrowth outcomes, while younger age of onset and shorter treatment duration were linked to less effectiveness.
November 2023 in “Indian Dermatology Online Journal” This study found that tofacitinib was safe and effective for patients with severe or treatment-resistant alopecia areata, alopecia totalis, and alopecia universalis, resulting in significant hair regrowth for most participants.
16 citations
,
May 2017 in “Journal of Clinical Ultrasound” This report describes the sonographic characteristics of a proliferating trichilemmal tumor in the subungual region, identifying it as a heterogeneous mass with echogenic foci, potentially representing keratin and cholesterol.
1 citations
,
January 2024 in “Arab Board Medical Journal” This study found that tofacitinib was an effective and well-tolerated treatment for alopecia areata, with significant to moderate hair regrowth in 78% of patients observed.
14 citations
,
June 2012 in “Stem Cells” This study found that depletion of TACE in mouse hair follicles led to impaired stem cell maintenance and hair loss, implicating TACE and EGFR signaling in hair follicle stem cell homeostasis.
2 citations
,
January 2014 in “Dermatology Online Journal” This article reviews hair-thread tourniquet syndrome, discussing its demographics, causes, and current treatment methods, but presents no new clinical findings.
1 citations
,
December 2025 in “Journal of the American Academy of Dermatology”
January 2018 in “Journal of the American Academy of Dermatology” This letter discusses a previous study on tofacitinib for alopecia areata, questioning its statistical analysis and suggesting that steroids may have influenced results, but it reports no new clinical findings.
October 2023 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” This study introduces three spectrophotometric techniques for accurately determining finasteride and tadalafil in their combined pharmaceutical form, demonstrating their sustainability, sensitivity, and suitability for quality assurance, alongside a dissolution study following FDA guidelines.
March 1996 in “Hair transplant forum international” This article discusses the introduction and market presence of the Italian hair product Kevis but presents no new clinical findings.
November 2025 in “Journal of Investigative Dermatology” TEC kinases may help cause inflammation in vitiligo and could be targeted for treatment.
January 2007 in “Frontiers in Medicine” This study found that tofacitinib was an effective and better-tolerated treatment for moderate-to-severe AA compared to SCs, though its efficacy decreased in patients with disease episodes longer than two years.
15 citations
,
June 2006 in “Journal of Plastic Reconstructive and Aesthetic Surgery” This study found that follicular unit transplantation using specific techniques may improve the natural appearance of transplanted hair in patients with male-pattern hair loss.
February 2024 in “Zagazig University Medical Journal” This study found that TCF7L2 gene polymorphism is linked to alopecia areata, but no significant difference in treatment outcomes was observed between PRP and conventional therapy among different genotypes.
27 citations
,
September 2017 in “Archives of Dermatological Research” In this study, topical tofacitinib significantly increased hair regrowth in mice compared to minoxidil or vehicle, potentially due to elevated VEGF levels and reduced inflammation.
173 citations
,
January 2014 in “Nature Cell Biology” This study found that Wnt signalling activates hair follicle fate in hair follicle stem cells by relieving TCF3/4–TLE-mediated repression, with β-catenin being crucial for this process.
September 2023 in “International Journal of Trichology” This case report describes a successful treatment of alopecia universalis in a 37-year-old female using oral tofacitinib, along with other therapies, resulting in significant hair regrowth without notable safety concerns.
2 citations
,
June 2026 in “Frontiers in Science” This review examines the potential of regulatory T cell-based therapies to transform treatment across various medical specialties by promoting immune tolerance and tissue repair, but it reports no new clinical results.