July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
May 1995 in “Journal of Investigative Dermatology” Researchers developed a new way to measure gene activity in single hair follicles and found that a specific gene's activity changes with different amounts and times of treatment.
271 citations,
March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
192 citations,
April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
109 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
100 citations,
September 2017 in “Molecular and Cellular Endocrinology” Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.
95 citations,
July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
83 citations,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
65 citations,
July 2006 in “Journal of biological chemistry/The Journal of biological chemistry” The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.
61 citations,
June 2014 in “Scientific Reports” Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.
60 citations,
July 2011 in “Stem Cells and Development” Certain signals and genes play a key role in hair growth and regeneration, and understanding these could lead to new treatments for skin regeneration.
56 citations,
July 2005 in “Experimental Dermatology” Injected human hair follicle cells can create new, small hair follicles in skin cultures.
54 citations,
August 2009 in “Dermatologic Surgery” Modern hair transplants use small grafts for a natural look and drugs to prevent further loss, with high patient satisfaction.
47 citations,
May 1995 in “Journal of Investigative Dermatology” Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.
43 citations,
March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
42 citations,
July 2014 in “Journal of biological chemistry/The Journal of biological chemistry” Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.
30 citations,
March 2010 in “European Journal of Dermatology” Hair loss in elderly women is often caused by various factors, including hormonal changes after menopause.
27 citations,
June 2013 in “Genes & development” Cav1.2 affects hair growth and could be a target for hair loss treatments.
25 citations,
November 2012 in “Phytotherapy Research” Crataegus pinnatifida extract may help increase hair growth and thickness in mice.
23 citations,
March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
20 citations,
January 2003 in “Chemical and Pharmaceutical Bulletin” The new progesterone derivatives effectively inhibit 5α-reductase and bind to the androgen receptor.
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.
18 citations,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
18 citations,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
17 citations,
December 2019 in “Stem Cell Research & Therapy” Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.
13 citations,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
11 citations,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
11 citations,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.