January 2023 in “Kafkas üniversitesi veteriner fakültesi dergisi/Kafkas üniversitesi veteriner fakültesi dergisi” Seasonal changes affect gene activity linked to hair growth in Angora goats.
51 citations
,
September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
15 citations
,
January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
11 citations
,
January 1987 in “Electrophoresis” Keratin proteins are consistent across different hair types from the same person.
5 citations
,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
17 citations
,
February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
15 citations
,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
5 citations
,
March 1993 in “The Journal of Cell Biology” A soluble factor in developing mouse whisker pads boosts nerve growth factor mRNA production.
3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
80 citations
,
June 2002 in “Molecular Biology of the Cell” Type II keratins are uniquely phosphorylated during stress and mitosis, affecting their structure and function.
19 citations
,
September 2019 in “PLOS genetics” Telomere damage affects skin and hair follicle stem cells by messing up important growth signals.
25 citations
,
August 2017 in “Frontiers in Zoology” Marine mammals lost many α-keratin genes, aiding their adaptation to aquatic life by becoming hairless.
3 citations
,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
February 2024 in “Biomedical materials” Scientists created a lab-grown hair follicle model that behaves like real hair and could improve hair loss treatment research.
84 citations
,
April 2002 in “Archives of Dermatology” Loose anagen hair syndrome may be caused by keratin gene mutations.
69 citations
,
April 2005 in “Forensic Science International” Degraded hair shafts resist contamination and can be easily cleaned.
45 citations
,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
38 citations
,
November 1991 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Keratins 8 and 14 can help identify and diagnose benign skin tumors.
33 citations
,
September 1990 in “Proceedings of the National Academy of Sciences” The study showed that a specific DNA sequence can control gene expression in hair growth areas of mice.
28 citations
,
September 1995 in “Biochemistry and Cell Biology” Merkel cells are more densely found in hairless skin areas like palms and soles.
25 citations
,
September 1995 in “Biochemistry and Cell Biology” High levels of human keratin 16 in mice cause skin lesions and abnormal skin development.
21 citations
,
January 1995 in “Molecular Biology Reports” Scientists discovered two versions of a new human hair keratin gene.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
10 citations
,
November 2007 in “Annals of Diagnostic Pathology” A rare benign tumor with hair follicle features was found on a man's trunk.
8 citations
,
December 2003 in “Experimental Dermatology” Altering the keratin 17 gene in mice hair follicles caused temporary hair issues, but changes were minimal and short-lived.
6 citations
,
December 2013 in “Journal of Cosmetic Dermatology” Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.
5 citations
,
October 2020 in “Experimental dermatology” A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.