5 citations,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
86 citations,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
9 citations,
February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
19 citations,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
32 citations,
February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
4 citations,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
44 citations,
January 2005 in “Dermatology” Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.
2 citations,
August 2022 in “Animals” Different versions of the KRTAP6-2 gene in goats can lead to thinner cashmere fibers.
Different androgen concentrations affect wool-related gene expression differently in Hetian and Karakul sheep breeds.
5 citations,
February 2022 in “Acta Biomaterialia” Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
4 citations,
June 2023 in “Journal of developmental biology” The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.
21 citations,
October 2009 in “Biochemical Engineering Journal” Stem cell therapy is a promising approach for hair regrowth despite potential side effects.
1 citations,
April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Goat skin changes with the seasons due to genes affected by daylight and hormones.
53 citations,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
30 citations,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
51 citations,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
59 citations,
June 2008 in “Journal of The American Academy of Dermatology” The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.
21 citations,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
36 citations,
October 1996 in “Dermatologic Clinics” Mice are useful for researching human hair loss and testing treatments, despite some differences between species.
18 citations,
October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
19 citations,
November 2018 in “Nutrients” Annurca apple extract may protect mouse hair from damage by chemotherapy and could help treat hair loss without promoting cancer growth.
55 citations,
October 2003 in “Dermatologic Clinics” Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.
1 citations,
February 2022 in “Biological Trace Element Research” The combination of Arginine Silicate Inositol Complex and a new form of Biotin improved hair and nail growth in rats.
January 2023 in “Fundamental toxicological sciences” Mozuku seaweed fucoidan can inhibit harmful skin bacteria growth.
8 citations,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
67 citations,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.