May 2026 in “The EMBO Journal” Skin aging can be slowed by targeting cells, hormones, and the microbiome.
November 2025 in “Dermatology and Therapy” The drinkable supplement increased hair growth and was safe for women with hair loss.
October 2025 in “HAL (Le Centre pour la Communication Scientifique Directe)” Variegated coat color in cats is linked to the Silver locus.
January 2023 in “Book of Abstracts” COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.
205 citations
,
April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
145 citations
,
November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
141 citations
,
August 2017 in “Developmental Dynamics” The document concludes that a better understanding of cell changes during wound healing could improve treatments for chronic wounds and other conditions.
52 citations
,
October 2012 in “Journal of Dermatological Science” The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.
759 citations
,
February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
51 citations
,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
6 citations
,
September 2022 in “Frontiers in pharmacology” Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.
6 citations
,
January 2010 in “Springer eBooks” SA linked to mitochondrial issues and oxidative stress, while AGA involves disrupted hair growth genes.
36 citations
,
July 2019 in “Journal of Materials Science Materials in Medicine” Human hair keratin helps repair nerve damage in rats.
1 citations
,
February 2023 in “Journal of Natural Fibers” Higher keratin protein levels are important for the wool's shine in Magra sheep.
November 2025 in “Journal of Natural Fibers” Human hair waste can be valuable in engineering and materials due to its unique properties.
48 citations
,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
517 citations
,
February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
35 citations
,
August 2009 in “Differentiation” Desmoglein 4 is controlled by specific proteins that affect hair growth.
47 citations
,
September 2011 in “Acta biomaterialia” Protein composition greatly affects the function of keratin biomaterials.
8 citations
,
December 2017 in “Small Ruminant Research” Variation in the TCHH gene affects wool curliness in sheep.
6 citations
,
January 2018 in “Advances in experimental medicine and biology” 22 citations
,
August 2020 in “Cells” TGM3 is important for skin and hair structure and may help diagnose cancer.
7 citations
,
July 2019 in “Animals” The KRTAP21-1 gene affects wool yield and can help improve wool production.
1 citations
,
April 2021 in “IntechOpen eBooks” The PCR technique can identify genetic differences in a wool-related gene among different sheep breeds, which may help improve wool and pelt quality.
2 citations
,
January 2018 in “Open journal of stomatology” Tongue cancer cells show more plectin-1 than non-cancer cells, but both have similar levels of trichohyalin.
1 citations
,
August 2024 in “Animals” KRT85 gene variations can help improve wool traits in sheep through selective breeding.
September 2025 in “Animals” The KRTAP22-2 gene in sheep does not significantly affect wool traits.
375 citations
,
June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
135 citations
,
October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.