17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
May 2020 in “Archives of Medical Science” Men with androgenetic alopecia have lower levels of certain proteins and more cell damage.
11 citations
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February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
18 citations
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January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
10 citations
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May 2018 in “Cell death discovery” HSP90 and lamin A/C are crucial for hair growth and could be targets for treating hair loss.
19 citations
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
11 citations
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January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
35 citations
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May 2021 in “Nature communications” The skin's basement membrane has specialized structures and molecules for different tissue interactions, important for hair growth and attachment.
5 citations
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January 2024 in “Science Advances” Touch dome keratinocytes in adult skin have traits of different skin cell types.
January 2025 in “Repository of the Academy's Library (Library of the Hungarian Academy of Sciences)” Nucleic acids trigger chemokine production in skin cells, affecting skin inflammation.
2 citations
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July 2004 in “Cell Biology International” uPA helps hair follicle cells grow.
11 citations
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September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
3 citations
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June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.
28 citations
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September 1998 in “Journal of Investigative Dermatology” Two distinct caspases in human skin help with cell death and skin formation.
1 citations
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March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
2 citations
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
3 citations
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May 1991 in “Journal of Investigative Dermatology” June 1999 in “Connective tissue” 28 citations
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December 2015 in “Journal of biological chemistry/The Journal of biological chemistry” Prostasin has two roles in skin: one for normal skin development without needing activation, and another for proper hair growth that requires activation.
September 2016 in “Journal of dermatological science” Epidermal stem cells use integrin β1 and α6 as markers and CD271+ cells help maintain skin health and heal wounds.
April 2017 in “Journal of Investigative Dermatology” Blood cells turned into stem cells can become skin cells similar to normal ones, potentially helping in skin therapies.
4 citations
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October 2021 in “Journal of Clinical Medicine” Carriers of a specific gene mutation have subtle skin changes without visible symptoms.
7 citations
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February 1982 in “Australian Journal of Biological Sciences” Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.
December 2023 in “Chiwi'saeng'gwa haghoeji” Hair keratin protein might help heal mouth wounds faster.
425 citations
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August 2002 in “BioEssays” The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.
13 citations
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July 2016 in “Indian Journal of Dermatology” DPR can show different hair characteristics, as seen in two brothers with normal hair.
24 citations
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March 2017 in “Archives of Gynecology and Obstetrics” The study found that women with hyperandrogenic PCOS have higher levels of AKT1 and AKT2 proteins in their cells, which may lead to cell dysfunction.
2 citations
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June 2013 in “Journal of Dermatological Case Reports” Olmsted syndrome is a rare skin disorder causing thickened skin and other symptoms.
83 citations
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February 1991 in “Development” Fos protein is crucial for cell transition to cornification in keratinized tissues.