January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
252 citations
,
January 1991 in “Electron Microscopy Reviews” November 2024 in “Journal of Investigative Dermatology” Scalp hair follicle cells help protect and heal skin in certain skin conditions.
January 2022 in “Stem cell biology and regenerative medicine” Dermal sheath cells can help grow new hair follicles and show promise in treating hair loss.
39 citations
,
July 2015 in “British Journal of Dermatology” The pseudo 'fringe sign' can also appear in frontal fibrosing alopecia, not just in traction alopecia, showing that this condition may be more common than thought.
17 citations
,
May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
11 citations
,
April 1982 in “Journal of the Forensic Science Society” Enzyme presence in hair sheath cells decreases over time, affecting forensic analysis.
53 citations
,
April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
48 citations
,
July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
18 citations
,
January 1965 in “Stain Technology” August 2025 in “Journal of Investigative Dermatology” Fibronectin is essential for hair follicle regeneration and may help rejuvenate aged skin.
4 citations
,
January 2019 in “Annals of Dermatology” Higher levels of MiR-92a-1-5p and miR-328-3p found in female hair loss patients.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
42 citations
,
July 2014 in “Journal of biological chemistry/The Journal of biological chemistry” Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
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.
5 citations
,
September 2009 in “Acta Ophthalmologica” Hyper-keratinisation in Meibomian glands contributes to gland dysfunction.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
5 citations
,
September 2015 in “PLoS ONE” Gelfoam® histoculture supports long-term hair and nerve growth in mouse whisker follicles.
29 citations
,
July 1991 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Glycoproteins are present in the cell membranes of various keratin fibers.
30 citations
,
October 1994 in “Journal of Cutaneous Pathology” Multiple perifollicular fibromas may actually be unrecognized cases of Birt-Hogg-Dubé syndrome.
23 citations
,
April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
12 citations
,
September 1990 in “The Anatomical Record” Human anagen hair follicles have unique carbohydrate patterns during keratinization.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.