December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
26 citations
,
June 2010 in “Electrophoresis” New techniques helped identify rare wool proteins by reducing dominant ones.
52 citations
,
February 1986 in “Journal of Histochemistry & Cytochemistry” Some hair proteins are specific to hair, while others are also found in skin cells.
5 citations
,
August 1983 in “PubMed” DNA virus-induced tumors have consistent isozyme profiles, unlike other tumor types.
1 citations
,
January 2006 in “Clínicas obstétricas y ginecológicas de Norteamérica” Analyzing hair proteins can help identify new markers for hair health and aging.
10 citations
,
November 2021 in “International journal of molecular sciences” Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
49 citations
,
January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 76 citations
,
February 1993 in “Journal of Biological Chemistry” KAP6 genes are conserved across species and active in hair follicles.
77 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
35 citations
,
July 2010 in “The FEBS journal” The study found a specific peptide that helps detect TGase 3 activity in skin and hair follicles.
16 citations
,
January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
March 2026 in “Preprints.org” Chirality affects the structure, strength, and function of peptide-based hydrogels.
January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.
1 citations
,
December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
30 citations
,
May 2020 in “Forensic Science International Genetics” The method improved hair analysis for better forensic identification.
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.
Keratin peptide signatures in hair may help identify gender and ethnicity.
1 citations
,
July 2023 in “Forensic science international. Genetics” Hair protein analysis might help identify a person's ethnicity, sex, and age in forensics.
223 citations
,
January 2000 in “BioFactors” Food-derived peptides may help prevent diseases like high blood pressure and high cholesterol, and can support the immune system.
11 citations
,
January 1992 in “PubMed” TGF-beta 1 and IGF-II mRNA have specific patterns in pig subcutaneous tissue, affecting fat and muscle development.
61 citations
,
February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.
67 citations
,
February 1994 in “Developmental dynamics” Specific proteins and molecules play key roles in the development of human hair follicles.
August 2023 in “Journal of Investigative Dermatology” Different body areas have unique skin cell communication patterns, explaining why certain skin diseases occur in specific regions.
May 2026 in “Journal of Proteomics” 10 citations
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January 2001 in “Bioscience Biotechnology and Biochemistry” Ubiquitin, a protein, is found in hair, nails, and skin.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
Collagen peptides may boost skin and hair-related gene expression.
4 citations
,
October 2025 in “International Journal of Medical Sciences” Tripeptides help heal wounds and regenerate skin by speeding up tissue repair and reducing inflammation.