194 citations,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
124 citations,
August 1994 in “Journal of Investigative Dermatology” Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.
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.
86 citations,
August 2011 in “Toxicological sciences” TCDD speeds up skin barrier formation by increasing certain gene expressions.
75 citations,
September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
53 citations,
May 1990 in “Journal of Dermatology” Minoxidil speeds up hair growth in rats without prolonging growth phase.
31 citations,
April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
22 citations,
October 2019 in “Cerebral cortex” Sex neurosteroids cause different effects on hippocampal synaptic plasticity in males and females.
21 citations,
September 2013 in “Journal of circadian rhythms” Intense exercise at night can delay the body's internal clock gene expression by 2 to 4 hours.
16 citations,
April 2015 in “Lasers in Surgery and Medicine” Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.
8 citations,
July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
7 citations,
December 2008 in “Journal of Dermatological Science” Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.
6 citations,
January 2016 in “Evidence-based Complementary and Alternative Medicine” Boiling and fermenting certain herbs can help hair grow by activating hair growth genes and pathways.
6 citations,
November 2013 in “International Journal of Radiation Biology” Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
5 citations,
November 2020 in “EBioMedicine” Disruptions in sleep-wake cycles can cause health problems like mental, metabolic, and heart diseases, and cancer.
5 citations,
November 2015 in “International Journal of Radiation Biology” Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.
3 citations,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
3 citations,
August 2013 in “Stem cells” Certain inhibitors applied to the skin can promote hair growth by maintaining a key hair growth signal.
3 citations,
August 2012 in “Nature Cell Biology” Certain proteins help nerve cells branch, and other findings relate to cancer, stem cell behavior, and cell division.
2 citations,
February 2019 in “Journal of Investigative Dermatology” Higher levels of the DP2 receptor may lead to hair loss.
2 citations,
January 2014 in “Hair therapy & transplantation” New treatments for hair growth disorders are needed due to limited current options and complex hair follicle biology.
November 2023 in “Food science of animal resources” Lactilactobacillus curvatus LB-P9 taken orally helps hair regrow faster and thicker in mice.
December 2022 in “Deleted Journal” Sheep wool keratin solution safely and effectively promotes hair growth.
August 2016 in “Journal of Dermatology” A chemical called 5-Bromo-2′-deoxyuridine caused rapid hair loss in mice by killing certain skin cells through a specific cell death pathway.
August 2012 in “Nature Cell Biology” The tumor suppressor BRCA2 helps in cell division by bringing key proteins to the area where cells split.
August 2012 in “Nature Cell Biology” A pathway helps maintain long telomeres in both stem and cancer cells.
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
883 citations,
August 2016 in “Nature Reviews Disease Primers” Polycystic Ovary Syndrome (PCOS) is a common condition in women that can cause metabolic, reproductive, and psychological issues, and requires lifestyle changes and medication for management.
835 citations,
October 2008 in “Nature Genetics” Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.
520 citations,
February 2001 in “Journal of Clinical Investigation” VEGF helps hair grow and determines follicle size by increasing blood vessel growth.