July 2025 in “The Journal of Physiology” This study by Moore et al. (2025) provides the first evidence linking C-tactile afferents in humans to hair follicles, showing that these nerve fibers respond to hair movement rather than skin deformation, adding complexity to the understanding of their role in emotion and touch.
September 2023 in “Dermatology and therapy” In this phase 2b/3 trial, ritlecitinib showed effectiveness in treating alopecia areata patients with varying hair loss profiles, significantly improving patient-reported outcomes for hair regrowth and satisfaction compared to placebo, regardless of the hair loss type and extent at baseline.
April 2017 in “Journal of Investigative Dermatology” This case study reports that a heterozygous missense GJA1 mutation, p.Gly138Ser, in a 2-year-old boy with oculodentodigital syndrome primarily resulted in syndactyly, fifth finger hypoplasia, and hypotrichosis, without neurological or craniofacial abnormalities.
April 2023 in “Journal of Investigative Dermatology” In this study, topical inhibition of casein kinase 1 in mice was found to enhance melanocyte precursor migration and eumelanin production, suggesting potential applications for treating vitiligo and graying hair through KitL/c-Kit signaling pathway activation.
September 2018 in “Fertility and Sterility” In this study, researchers observed that overweight Taiwanese women with PCOS who carry the HSD3B1 1245C allele have a significantly higher risk of developing androgenic alopecia compared to those with the wild-type allele.
62 citations
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December 2008 in “Journal of structural biology” This study found that in naturally curved human scalp hairs, distinct arrangements of cell types on either side of the hair fiber contribute to its curvature.
135 citations
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October 1999 in “Journal of Cell Science” This study found that overexpression of PKCα in mouse epidermis increases expression of specific proinflammatory mediators and induces inflammation but does not significantly affect epidermal differentiation, proliferation, or tumor promotion with TPA.
26 citations
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June 2003 in “PubMed” In this study, severe hair loss occurred in PKC epsilon transgenic mice treated with DFMO during skin tumor prevention, highlighting a link between polyamine biosynthesis, hair follicle maintenance, and metastasis suppression.
20 citations
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December 1999 in “Journal of Investigative Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
10 citations
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January 2013 in “Journal of skin cancer” In this study, PKC ε transgenic mice exposed to ultraviolet radiation showed increased hair follicle stem cell frequency and altered gene expression compared to wild-type mice, suggesting a potential role in skin cancer susceptibility.
2 citations
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January 2025 in “International Journal of Molecular Sciences” This study found that chitosan nanoparticles containing Cordyceps militaris effectively reduced lung damage in mice exposed to fine particulate matter (PM2.5) by decreasing oxidative stress and preserving lung barrier integrity, suggesting potential as a therapeutic candidate for PM2.5-induced lung diseases.
January 2013 in “International Journal of Trichology” This case report highlights the discovery of a novel TRPS1 gene mutation in a 17-year-old with TRPS type I, underscoring the diagnostic importance of hair symptoms in congenital hair diseases.
January 2010 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine” This study found a novel nonsynonymous genetic variant in the hHb1 gene of a family with monilethrix, which differs from ten previously reported pathogenic mutations.
1 citations
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April 2024 in “Metabolites” In this study, researchers found that male and female APCHi mice exposed to ionizing radiation showed near-normal lipid and metabolite levels, suggesting activated protein C may offer some protective effects against radiation-induced damage affecting organ systems.
99 citations
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February 2000 in “PubMed” This study found that overexpression of PKCepsilon in transgenic mice reduced papilloma development but accelerated carcinoma formation in a skin tumor promotion model.
86 citations
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August 2021 in “Polymers” This review discusses the potential of microneedles to enhance transdermal drug delivery by expanding the range of deliverable drugs, highlighting fabrication methods, material choices, and applications, but notes existing challenges with sustained delivery, cost-effectiveness, and large-scale production.
26 citations
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September 2009 in “Clinical genetics” This study identified four novel and one recurrent mutation in the AIRE gene among Arab families with APS1, suggesting these contribute to the disorder.
4 citations
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August 2013 in “Chinese Medical Journal” This study found that a mutation in the seventh exon of the KRT86 gene plays a major role in the pathogenesis of monilethrix in a Chinese family.
March 2024 in “Preprints.org” In a study conducted on mice, researchers observed that exposure to ionizing radiation led to significant metabolic imbalances, including dyslipidemia and disruptions in amino acid metabolism, with activated protein C providing partial protection by normalizing certain plasma metabolites and lipids.
January 2014 in “S. Karger AG eBooks” Type 2 diabetes in youth is increasing, with high treatment failure rates and more severe than Type 1; certain drugs can lower lipid levels effectively with varying side effects, and apples may benefit heart health like statins but with fewer side effects.
February 2026 in “Small Ruminant Research” This study found that specific genetic variations in the IRF2BP2 gene influence fleece structure in sheep, with one variant completely determining coat type and another significantly modifying fiber characteristics, providing valuable insights for improving fleece quality through selective breeding.
September 2017 in “Journal of Dermatology & Cosmetology” This study reports a case of frontal fibrosing alopecia associated with hepatitis C treatment involving interferon and ribavirin.
This research reported that AKR1C enzyme expression, particularly AKR1C4, in scalp sebaceous glands decreases with age, suggesting potential age-related changes in androgen metabolism affecting hair follicle health. Additionally, sulforaphane treatment increased AKR1C expression in related cell types.
2 citations
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December 2010 in “Zhonghua neifenmi daixie zazhi” This study found that autologous nonmyeloablative hematopoietic stem cell transplantation may help some newly-onset type 1 diabetes patients become insulin-free, although gastrointestinal and other mild side effects were observed.
2 citations
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January 2008 in “Journal of The American Academy of Dermatology” Trichoscopy is a helpful and quick method to diagnose hair loss without shaving.
13 citations
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February 1999 in “International Journal of Cosmetic Science” This study observed a higher incidence of telogen effluvium from July to October, suggesting a summer-related effect in populations above the Tropic of Cancer, possibly influenced by ultraviolet light.
47 citations
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January 2024 in “iScience” The researchers reported that stress-induced keratins in human skin are expressed at lower levels than those in healthy skin and are co-regulated with genes involved in differentiation, inflammation, and immunity, rather than replacing keratins of normal differentiation or indicating cell proliferation.
33 citations
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March 2006 in “Seminars in cutaneous medicine and surgery” This article illustrates various hair shaft defects and suggests that dermatologists can diagnose most of them using light microscopy and polarization without needing advanced imaging techniques.
14 citations
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February 1998 in “Bioorganic & Medicinal Chemistry Letters” This study explored how modifying the 8-substituent of 8-bromobenzoquinolinone affects its selectivity in inhibiting both 5 alpha-reductase isozymes in the scalp.
September 2023 in “Journal of Cosmetic Dermatology” This study found that patients with alopecia areata who have low vitamin D levels and high CRP levels are more likely to develop the universalis form of the condition, indicating a need for more aggressive treatment in these cases.