235 citations,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
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.
105 citations,
October 2017 in “Stem cells” Wnt signaling is crucial for skin development and hair growth.
85 citations,
April 2012 in “PLOS ONE” Valproic Acid helps regrow hair in mice and activates a hair growth marker in human cells.
29 citations,
April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
20 citations,
December 2019 in “International Journal of Molecular Sciences” HB-EGF boosts the hair growth ability of stem cells, making it a potential hair loss treatment.
9 citations,
April 2019 in “Biomolecules & Therapeutics” Udenafil may help hair grow by activating certain stem cells.
8 citations,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
19 citations,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
27 citations,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
12 citations,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
12 citations,
February 2021 in “Translational Psychiatry” Researchers found two new genetic variants linked to Alzheimer's disease.
37 citations,
January 2019 in “Food science & nutrition” Bergamot may improve heart health, skin conditions, and mood, but more research is needed to confirm these benefits.
10 citations,
December 2017 in “Chemosphere” Bisphenol-A (BPA) increases connections between brain cells and boosts their activity, but it blocks the effects of a male hormone on brain cell plasticity.
January 2023 in “Applied sciences” Gefitinib and Sasam-Kyeongokgo together significantly reduce cancer growth and improve immune response in mice.
3 citations,
July 2019 in “Fibers And Polymers/Fibers and polymers” 5 citations,
December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
42 citations,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
4 citations,
May 2019 in “Physiology & Behavior” Cocaine impairs male sexual behavior and alters testosterone metabolism in the brain.
15 citations,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
193 citations,
January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.
28 citations,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
2 citations,
November 2018 in “International Journal of Cosmetic Science” Chamomile extract can protect hair from damage caused by light.
10 citations,
May 2019 in “International Journal of Environmental Research and Public Health” Finasteride may cause kidney damage.
2 citations,
May 2018 in “Expert opinion on orphan drugs” Newborn screening and gene therapy are expected to improve outcomes for Omenn syndrome patients.
May 2023 in “Journal of pharmacognosy and phytochemistry” The study established quality standards for Sphagneticola calendulacea stem and suggested it may have therapeutic benefits.
May 2022 in “Journal of pharmacognosy and phytochemistry” The evaluation of Creeping Daisy leaves found important characteristics and compounds that support its use in medicine.
14 citations,
April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
6 citations,
February 2021 in “Proteins” Researchers found that the most reachable bonds in wool fibers are near the ends of certain proteins, which help stabilize the fiber's structure.