34 citations
,
September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle bumps with stem cells might contribute to permanent hair loss by getting disconnected due to scarring.
61 citations
,
February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.
2 citations
,
March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
8 citations
,
April 1965 in “Archives of biochemistry and biophysics” Sheep wool follicles can metabolize both glucose and acetate using different pathways important for wool growth.
90 citations
,
July 1993 in “Journal of Investigative Dermatology” 3 citations
,
April 2018 in “Journal of Investigative Dermatology” CCCA may be a fibroproliferative disorder, and anti-fibrotic therapies could help.
26 citations
,
August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
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.
13 citations
,
September 2017 in “Cytometry Part A” Horse hair follicles could be a new source of stem cells for healing horses.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
76 citations
,
February 1993 in “Journal of Biological Chemistry” KAP6 genes are conserved across species and active in hair follicles.
64 citations
,
June 2014 in “Journal of The American Academy of Dermatology” Researchers found a white halo around hair in most patients with a specific type of hair loss, which helps in early diagnosis and treatment.
46 citations
,
November 1998 in “Experimental Cell Research” K15 gene is mainly active in the basal layers of hair follicles and epithelia, aiding early skin cell development.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
The goat hair keratin gene is very similar to sheep's and is strongly expressed in goat hair follicles.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
2 citations
,
April 2019 in “Experimental Dermatology” Hair follicles respond differently to pulling forces in various regions.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
December 2023 in “Animal research and one health” Certain circular RNAs are crucial for wool growth and curvature in goats.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
17 citations
,
October 1997 in “Australian Journal of Agricultural Research” Stocking rate affects wool follicle inactivity, not Merino strain.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
17 citations
,
July 1984 in “British journal of dermatology/British journal of dermatology, Supplement” The four patients have a unique type of ichthyosis affecting hair follicles.
1 citations
,
January 2020 in “Veterinariya Zootekhniya i Biotekhnologiya” Long-haired cats have thinner skin where hair is thicker, and all have unique collagen patterns.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.