45 citations,
January 2012 in “Experimental Dermatology” Human hair follicles switch between active and resting phases unpredictably.
49 citations,
July 2019 in “British Journal of Dermatology” Wnt signaling is important for the change from the resting phase to the growth phase in human hair cycles.
35 citations,
February 2019 in “Cell Communication and Signaling” BMP6 and Wnt10b control whether hair follicles are resting or growing.
5 citations,
August 2015 in “Bioscience, Biotechnology, and Biochemistry” Obese mice with a leptin gene mutation have a longer resting phase in their hair cycle, which may help understand certain hair loss conditions.
19 citations,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
21 citations,
November 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Telogen is an active phase with important biological processes, not a resting phase.
8 citations,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
September 2004 in “PubMed” Hair grows in three stages: growing, transition, and resting.
20 citations,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
17 citations,
May 2011 in “Gene Therapy” Using polyethylenimine-DNA to deliver the hTERT gene can stimulate hair growth and may be useful in treating hair loss, but there could be potential cancer risks.
2 citations,
March 2022 in “Research Square (Research Square)” Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.
2 citations,
May 2001 in “Current problems in dermatology” The conclusion is that effectively treating hair disorders is difficult due to the complex factors affecting hair growth and more research is needed to improve treatments.
1 citations,
January 2003 in “Annals of Dermatology” Hair in the front part of the scalp is more likely to fall out than hair in the back in acute telogen effluvium.
June 2023 in “Research Square (Research Square)” Autophagy, a cell process, helps activate hair growth stem cells and promote hair growth by controlling glycolysis, a type of cell metabolism.
January 2021 in “Journal of Allergy and Therapy” Electric Follicle Stimulation may promote hair growth and density with no known side effects.
A woman had temporary hair loss due to stress from a spinal cord injury.
July 2004 in “Dermatologic Surgery” A woman had temporary hair loss due to a stress-related condition after a facelift.
236 citations,
January 1951 in “Physiological zoology” Hair growth and pigmentation in mice involve specific stages crucial for research.
86 citations,
August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
71 citations,
January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
71 citations,
June 2007 in “Bioorganic & Medicinal Chemistry Letters” PLGA nanospheres improve hair growth by effectively delivering ingredients to hair follicles.
34 citations,
May 2013 in “Journal of the European Academy of Dermatology and Venereology” Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.
32 citations,
April 2016 in “Journal of Investigative Dermatology” STAT5 activation is crucial for starting the hair growth phase.
25 citations,
July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Imiquimod cream activates hair follicle stem cells and causes early hair growth by changing immune cells and certain protein expressions.
19 citations,
January 2013 in “International journal of medical sciences” Increasing Wnt5a in mice skin delays hair growth but doesn't stop it.
16 citations,
October 2018 in “Biochemical and Biophysical Research Communications” Sildenafil, often used for erectile dysfunction, may help hair growth.
7 citations,
July 2022 in “Pharmaceutics” The microneedle device with rapamycin and epigallocatechin gallate effectively promoted hair regrowth in mice.
7 citations,
August 2020 in “Genes” Different genes are active in dogs' hair growth and skin, similar to humans, which helps understand dog skin and hair diseases and can relate to human conditions.
7 citations,
July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
5 citations,
February 2008 in “Experimental Dermatology” Cyclosporin A promotes hair growth in mice and increases a protein linked to hair growth, but it may not work the same way in humans.