18 citations
,
March 2009 in “Experimental Dermatology” Pilomatricoma can develop into various hair-related structures.
40 citations
,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
8 citations
,
January 2012 in “International journal of polymer analysis and characterization/IJPAC. International journal of polymer analysis and characterization/IJPAC. International journal of analysis and characterization” Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.
49 citations
,
July 2006 in “British Journal of Dermatology” Calcifying epithelioma cells can differentiate into hair cortex and outer root sheath.
29 citations
,
July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
April 2007 in “Linchuang pifuke zazhi” TGF-β1 and 2 may play a role in hair loss in AGA.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
85 citations
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October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
6 citations
,
November 1984 in “Acta Dermato Venereologica” Hair follicles and sweat glands show different keratin staining patterns.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
June 2023 in “Experimental dermatology” Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
22 citations
,
March 2017 in “Scientific reports” Double-stranded RNA causes inflammation in hair follicle cells, which may help understand and treat alopecia areata.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
November 2025 in “Journal of Investigative Dermatology” BTNL2 helps protect hair follicles from immune attacks.
September 2017 in “Journal of Investigative Dermatology” Stabilizing HIF-1A in hair follicles may reduce oxidative stress and promote hair growth by increasing glycolysis.
121 citations
,
December 2001 in “American Journal of Dermatopathology” TB and BCC tumors show similar follicular differentiation patterns.
30 citations
,
April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
16 citations
,
October 2014 in “Oral surgery, oral medicine, oral pathology and oral radiology” Keratoacanthoma comes from hair follicle cells.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
15 citations
,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
28 citations
,
September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
Mutations in keratin genes may link hair disorders to dental decay.
5 citations
,
April 2022 in “Journal of Obesity” Transgender individuals face more barriers and less autonomy in surgical body modifications compared to cisgender individuals.
2 citations
,
November 2011 in “InTech eBooks” Most adrenal cortex tumors are benign and non-secreting, but proper diagnosis and treatment are important due to the rare possibility of cancer.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.