The inner root sheath in hair follicles plays a key role in hair growth and health.
March 2020 in “Central European Journal of Biology” The study found that stem cells and neutrophils are important for regenerating hair follicle structures in mice.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
14 citations
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December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
68 citations
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December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
1 citations
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September 2015 in “Elsevier eBooks” SOX2 is crucial for skin cell function and hair growth, and it plays a role in skin cancer and wound healing.
September 2022 in “TURKDERM” A rare benign skin nodule was found on the buttock, a unique location for this condition.
61 citations
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October 1996 in “Development” Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.
45 citations
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April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
27 citations
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January 2006 in “Colloids and Surfaces B: Biointerfaces” Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
4 citations
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January 2004 in “Biological and Pharmaceutical Bulletin” AgK114 protein helps in hamster skin injury recovery.
1 citations
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August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Certain cells in the adult mouse ear come from cranial neural crest cells, but muscle and hair cells do not.
25 citations
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October 1996 in “Dermatologic Clinics” Loose Anagen Syndrome causes easy-to-pull, thin hair, mainly in young girls, and improves with age.
521 citations
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January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
September 2023 in “Biomedicines” Squalene may be a marker for certain types of alopecia.
17 citations
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August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
15 citations
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January 1995 in “Archives of dermatological research” OCT binds strongly to hair sheath cells and may affect skin and hair growth with fewer side effects than vitamin D3.
12 citations
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July 1993 in “In Vitro Cellular & Developmental Biology - Animal” Minoxidil enhances hair growth and preserves the root sheath in cultured follicles.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
90 citations
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June 2006 in “The American Journal of Dermatopathology” The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.
22 citations
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December 2016 in “PloS one” A specific protein in chicken embryos links early skin layers to feather development.
22 citations
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December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
16 citations
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July 2019 in “Biochemical and Biophysical Research Communications” CD36-expressing dermal sheath cells help form blood vessels in hair follicles, aiding hair growth.
13 citations
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December 2010 in “Archives of Dermatology” Minoxidil use can cause trichostasis spinulosa in long-term hair loss patients.
4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
January 2026 in “International Journal of Research and Innovation in Applied Science” Recognizing specific markers is crucial for correctly diagnosing and treating rare multifocal MPTT in males.
April 2025 in “International Journal of Ayurveda and Pharma Research” Ayurvedic treatment can reverse premature graying and improve hair health.
January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
26 citations
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November 1968 in “The Lancet” Malnourished Andean Indian children had abnormal hair roots compared to healthy children.