47 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is crucial for hair follicle stability during the transition from growth to involution.
3 citations
,
January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
7 citations
,
November 1997 in “Reproduction Fertility and Development” Epidermal growth factor disrupts hair and gland formation in bandicoots.
November 2025 in “Journal of Investigative Dermatology”
October 2016 in “Veterinary record case reports” A cat had a rare skin disorder with hair loss and scaling, linked to a suspected tumor.
3 citations
,
September 2016 in “Pediatric Dermatology” Hypertrichosis (excessive hair growth) can help diagnose superficial epidermolytic ichthyosis.
March 2024 in “International Journal of Cosmetic Science” Dandruff is linked to increased T cells and weakened immune protection in hair follicles.
16 citations
,
November 1994 in “Developmental Biology” Retinoic acid causes gland formation instead of hair in mouse skin by altering epidermal and dermal interactions.
187 citations
,
May 1988 in “Differentiation” Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue development.
July 2023 in “Media Dermato Venereologica Indonesiana” Accurate diagnosis of RDEB-mitis in older adults is crucial for proper management without immunosuppressants.
48 citations
,
April 2008 in “Human Molecular Genetics” Progerin affects cell shape but not hair or skin in mice.
28 citations
,
July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
85 citations
,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
22 citations
,
November 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Cystatin M/E helps in the final stages of hair and nail formation by controlling certain enzymes.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
34 citations
,
June 2005 in “Developmental dynamics” Runx3 helps determine hair shape.
7 citations
,
March 2020 in “Journal of the American Academy of Dermatology” EGFR inhibitors often cause dry, brittle hair and eyebrow/eyelash changes.
4 citations
,
October 2021 in “Journal of Clinical Medicine” Carriers of a specific gene mutation have subtle skin changes without visible symptoms.
September 2017 in “Journal of Investigative Dermatology” LRIG1 protein affects hair growth by regulating skin receptors, leading to hair loss when overexpressed.
1 citations
,
December 2014 in “Scanning” Multiphoton microscopy effectively images rabbit skin structures in detail without staining and shows differences from human skin.
30 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
7 citations
,
December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
Ajwain seed extract improved skin healing and hair growth in a mouse skin irritation model.
January 2025 in “Зоологический журнал / Russian Journal of Zoology” Baikal seals' skin shows normal adaptations and potential pathologies possibly linked to climate change and a viral pathogen.
10 citations
,
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.
July 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair loss in certain mice is linked to changes in keratin-related genes.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
3 citations
,
January 2018 in “Skin Appendage Disorders” Nail issues are common in alopecia areata patients.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.