76 citations
,
December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
54 citations
,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
42 citations
,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
34 citations
,
January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
25 citations
,
March 2017 in “Experimental Dermatology” The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
20 citations
,
June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
19 citations
,
July 2020 in “EBioMedicine” A gene variant increases the risk of a type of hair loss by affecting hair protein production.
19 citations
,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
18 citations
,
December 2010 in “Journal of analytical atomic spectrometry” A new method accurately measures lead levels in hair to assess exposure.
18 citations
,
April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.
17 citations
,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Mutations in hKAP1 genes may cause hereditary hair disorders.
16 citations
,
January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
16 citations
,
January 2018 in “Advances in experimental medicine and biology” Hair and wool have diverse keratins and keratin-associated proteins.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
15 citations
,
July 1998 in “PubMed” Fentanyl accumulates differently in hair from internal use compared to external exposure.
15 citations
,
October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
14 citations
,
January 2015 in “Genetics and molecular research” The transition from growth to regression in Cashmere goat hair follicles involves changes in expression of genes related to keratin and cell differentiation.
14 citations
,
September 2017 in “Proteomics. Clinical applications” Hair protein analysis could improve medical testing and understanding of hair characteristics.
14 citations
,
September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.
13 citations
,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
11 citations
,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
7 citations
,
June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
7 citations
,
January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
7 citations
,
December 2020 in “ACS biomaterials science & engineering” Human hair keratins can form stable nanofiber networks that might help in tissue regeneration.
5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
5 citations
,
June 2020 in “Therapeutic drug monitoring” Hair sample weight is a better measure for cortisol levels in hair than hair protein concentration.