191 citations
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November 1959 in “Annals of the New York Academy of Sciences” This article reports electron microscope studies on the structure of hair and wool, but it does not present new clinical findings.
January 1991 in “Acta Dermato Venereologica” This article describes a new method for staining hair fibers that visualizes keratin filaments without the need for OsO4 fixation or sulfur bond breakage, but it provides no new experimental results beyond the method itself.
77 citations
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July 2020 in “Cell” This study found that sympathetic nerves and arrector pili muscles form a niche that modulates hair follicle stem cell activity, revealing their role in hair follicle regeneration.
3 citations
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December 2020 in “Scientific reports” This study found that mitochondrial oxidative phosphorylation in epithelial cells is necessary for proper enamel formation and odontoblast differentiation in developing incisor teeth in K320E-Twinkle Epi mice.
1 citations
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February 2025 in “Scientific Reports” In this study, researchers developed a three-dimensional ultrastructural analysis tool using serial block-face scanning electron microscopy to reveal detailed nerve networks and muscle structures in human skin tissues, demonstrating the technique's potential to study structural changes in aging or disease.
134 citations
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January 2011 in “Development” This study found that disrupting Adam10 in the epidermis led to severe skin and multi-organ abnormalities, implicating Adam10 as crucial for proper Notch signaling and skin maintenance.
93 citations
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November 2018 in “Carbohydrate Polymers” This study demonstrated that modified montmorillonites combined with bacterial cellulose enhanced antimicrobial, wound healing, and tissue regenerative activities in a burn mice model, suggesting potential as an artificial skin substitute for burn patients.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that beard hair medulla cells express an unexpected range of keratins, showing variability and promiscuous behavior in keratin interactions distinct from other hair follicle cells.
76 citations
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May 2011 in “Cell death and differentiation” This study found that the enzyme A20 helps regulate EDAR-induced NF-κB signaling in mice, preventing ectodermal abnormalities like disheveled hair and assuring proper skin and appendage development.
59 citations
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July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” This review examines the potential of nanoparticles for localized drug delivery via hair follicles but reports no new clinical results, with the authors noting a lack of commercial development despite research progress.
58 citations
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February 2016 in “Scientific reports” This study found that dual inhibition of BACE1 and BACE2 in mice affects melanosome maturation and causes dose-dependent hair depigmentation without altering retinal morphology.
53 citations
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September 1999 in “The journal of cell biology/The Journal of cell biology” In this study, expressing human K16 in the epidermis of K14 null mice prevented early skin blistering but led to age-related anomalies, indicating K16 and K14 have distinct roles despite their sequence similarity.
42 citations
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February 2017 in “Scientific Reports” In this study, researchers differentiated induced pluripotent stem cells into cells with dermal papilla-like properties, demonstrating their potential role in hair follicle bioengineering and drug testing for hair growth.
40 citations
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June 2013 in “Molecular Pharmaceutics” This study demonstrates that transfected epidermal stem cells using a novel 3D transfection system significantly enhanced wound healing and may serve as an effective therapeutic agent and gene delivery method for wound treatment.
40 citations
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June 2011 in “Journal of biological chemistry/The Journal of biological chemistry” This study revealed that deficiency in the enzyme FA2H in mice affected sebaceous gland function, altered sebum composition, and caused cycling alopecia, highlighting FA2H's role in hair follicle homeostasis.
36 citations
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August 2011 in “Journal of dermatological science” This article examines the role and composition of integral hair lipids in forming a protective barrier similar to the skin's epidermal lipid layer and reports no new findings about their effects.
34 citations
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January 1989 in “Toxicologic Pathology” This study observed that minoxidil induced myocardial necroses and hemorrhages in beagle dogs and miniature swine, with greater severity seen in dogs.
32 citations
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May 2018 in “Cell Cycle” This study found that melatonin exposure promoted hair follicle fiber growth in Cashmere goat cultures, potentially influencing pathways related to the microvascular system and extracellular matrix.
22 citations
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October 2019 in “Cerebral cortex” This study found that testosterone and dihydrotestosterone are crucial for synaptic transmission and spine density in male hippocampal neurons, suggesting sex-specific effects of neurosteroids on brain development.
19 citations
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May 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that mice lacking the type 3 IP(3) receptor in their hair follicles experienced repetitive hair loss and regrowth, indicating disrupted hair-cycle regulation potentially linked to specific signaling pathways.
11 citations
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January 2012 in “Journal of cell science” This study demonstrates that Rac1 activity is essential for normal hair follicle formation but influences hair structure and pigmentation, in terminal differentiation, through alterations in hair shaft, cuticle, and pigmentation organization.
7 citations
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March 2020 in “PloS one” This study demonstrates that α-parvin is crucial for epidermal morphogenesis and hair follicle development by mediating integrin-dependent adhesion and actin organization in keratinocytes.
7 citations
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June 2015 in “The anatomical record” This study in Hexi cashmere goats found that secondary follicle activity increases with time, and Hoxc13 expression varies significantly across different growth stages, suggesting a role in follicle activity.
3 citations
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January 2016 in “BioMed research international” This study found that calcium microcapsules exhibited better biocompatibility and cell viability than barium microcapsules for scaffolding in artificial dermal papilla, suggesting potential for developing new hair follicle structures.
December 2025 in “Nature Communications” This study in male rats identified a unique type of mechanoreceptor, the club-like ending, which responds only to touch and not to self-motion during whisking, contrasting with other receptors that show mixed selectivity.
July 2025 in “Communications Biology” In this study, researchers used synchrotron X-ray imaging to examine rat vibrissa follicles, finding that despite variations in vibrissa length and follicle size, certain sensory structures remain consistent, suggesting specialized roles in sensory processing depending on the vibrissa type.
April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, researchers found that in growing skin tissue, epidermal wound healing occurs at the expense of normal skin development, as it impairs hair follicle growth and does not activate tissue morphogenesis genes.
March 2012 in “Korean Journal of Microscopy” This study found that nanoparticles can penetrate the skin, but artifacts produced during specimen preparation complicate accurate observation, and proposed a method for reducing errors in imaging quantum dots as tracers.
122 citations
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April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” This review discusses the mechanisms and storage of particles in hair follicles and presents no new experimental results, highlighting the need for further research in their safe application in dermatology and cosmetics.
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.