56 citations
,
November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
January 2025 in “Journal of Raman Spectroscopy” Polarized Raman spectra can reveal changes in hair keratin's protein structures.
60 citations
,
July 2014 in “Autophagy” The protein FLCN is involved in cellular cleanup and is regulated by ULK1.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
83 citations
,
May 2011 in “Experimental Dermatology” Sheep have 17 keratin genes, similar to humans, but with different expression patterns affecting wool and hair.
4 citations
,
April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
3 citations
,
June 2020 in “Developmental Cell” Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.
24 citations
,
January 1969 in “Archives of Dermatological Research” Hair malformations may occur due to timing issues in hair development.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
May 2025 in “Skin Appendage Disorders” Frontal fibrosing alopecia can be diagnosed by examining facial areas and treated with specific medications to stop its progression.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
1 citations
,
January 2003 Merkel cells likely attract sensory nerve fibers.
12 citations
,
January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
August 2019 in “Journal of Investigative Dermatology” The study found that tight junctions reach the top layer of the skin's stratum granulosum, not just the second top layer as previously thought.
67 citations
,
February 1994 in “Developmental dynamics” Specific proteins and molecules play key roles in the development of human hair follicles.
15 citations
,
October 1999 in “British Journal of Dermatology” Collagen remodeling is more active during hair growth stages.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
15 citations
,
October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
4 citations
,
January 2021 in “Acta Dermato Venereologica” Titanium nanoparticles may trigger frontal fibrosing alopecia, so avoid products with them.
133 citations
,
February 2019 in “PLoS Biology” Feather patterns in birds are shaped by signaling interactions and cell movements, with EDA/EDAR crucial for pattern formation.
15 citations
,
January 2020 in “ACS Applied Materials & Interfaces” Nanofiber structure helps regenerate hair follicles.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
28 citations
,
March 1993 in “Journal of Cell Science” Keratins K4 and K13 form stable dimers in mature esophageal cells, aiding cell stability.
25 citations
,
October 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Mouse profilaggrin helps in skin cell differentiation and may be involved in calcium signaling.
6 citations
,
January 2019 in “The American Journal of Dermatopathology” The conclusion is that fat tissue in the skin is a new finding in Frontal fibrosing alopecia and may contribute to hair follicle and muscle degeneration.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Developing hair follicles form from ring-shaped patterns, with future stem cells originating from the outer ring, not the upper layers, as previously thought.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
1 citations
,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.