January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
Hair fibers degrade and change color in very basic water.
January 2014 in “Sen'i Gakkaishi” Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.
202 citations,
August 2017 in “Nature cell biology” Lactate production is important for activating hair growth stem cells.
176 citations,
August 2015 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.
92 citations,
September 2019 in “ACS nano” A wearable device using electric stimulation can significantly improve hair growth.
36 citations,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
19 citations,
September 2014 in “British Journal of Dermatology” Minoxidil foam 5% effectively treats hair loss in both frontal and vertex scalp regions.
12 citations,
July 2016 in “Forensic science international” The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.
66 citations,
November 2011 in “Journal of The American Academy of Dermatology” A handheld dermatoscope helps diagnose different types of hair loss effectively.
65 citations,
October 2018 in “Frontiers in cellular and infection microbiology” Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.
37 citations,
April 2017 in “npj Regenerative Medicine” PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.
26 citations,
December 2020 in “Nature metabolism” Rapamycin treatment helps with mitochondrial disease by reducing PKC levels.
9 citations,
January 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” NIH dermatology funding increased by 14.7% from 2015 to 2019, but men and certain states and institutions received most of the money.
4 citations,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
55 citations,
October 1992 in “Archives of Dermatology” Loose Anagen Hair Syndrome is a hereditary condition causing hair loss in children due to abnormal hair follicles.
15 citations,
July 2002 in “Australasian Journal of Dermatology” Two plywood factory workers developed contact dermatitis from phenol-formaldehyde resin, a known allergen.
28 citations,
March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
2 citations,
March 2019 in “Veterinary dermatology” Thymoma in cats can cause hair loss without inflammation.
13 citations,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
June 2013 in “Expert Review of Dermatology” The article concludes that hormonal therapy is an effective long-term acne treatment, even for those without hormonal imbalances.
19 citations,
February 2017 in “Journal of radiation research” High-dose radiation speeds up aging in skin stem cells.
19 citations,
June 2008 in “Journal of Investigative Dermatology” HPV genes in mice improve ear tissue healing by speeding up skin growth and repair.
16 citations,
April 2007 in “Journal of Medical Primatology” The monkey's hair loss was due to an autoimmune disease, not genetics.
March 2022 in “Ophthalmology Journal” A woman's rare benign eyelid tumor was correctly identified through detailed tissue analysis.
291 citations,
October 2005 in “Proceedings of the National Academy of Sciences of the United States of America” Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.
98 citations,
February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
71 citations,
February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
36 citations,
September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.