53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
5 citations,
February 2015 in “Journal of Bio- and Tribo-Corrosion” Plasma jet treatments can clean hair and might replace peroxide for hair care.
8 citations,
January 1996 in “Springer eBooks” Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.
3 citations,
September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
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.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
25 citations,
August 2017 in “Animal Biotechnology” Researchers found that certain RNA molecules might play a role in the growth of Cashmere goat hair.
46 citations,
March 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
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.
24 citations,
September 2005 in “Journal of Cellular Biochemistry” Retinoids increase steroid sulfatase activity in leukemia cells through RARα/RXR and involves certain pathways like phosphoinositide 3-kinase and ERK-MAP kinase.
4 citations,
March 2016 in “Small ruminant research” Vicuña wool's quality is due to a high density of fine secondary hair follicles, and their skin glands may be used for communication.
Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
6 citations,
March 1998 in “Textile Research Journal” Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.
January 2013 in “Wool textile journal”
9 citations,
November 2015 in “Key Engineering Materials” Improving skills and technology in Baluchistan's wool industry could boost quality, jobs, and Pakistan's economy.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
3 citations,
April 2002 in “Animal Science” Spermidine injections increased wool growth rate in lambs without changing fibre thickness.
6 citations,
June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
18 citations,
January 1965 in “Stain Technology” 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.
January 1999 in “Birkhäuser Basel eBooks” Metallothionein likely helps in cell growth and development in wool follicles of fetal sheep.
December 2022 in “Deleted Journal” Sheep wool keratin solution safely and effectively promotes hair growth.
9 citations,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
20 citations,
February 1994 in “In vitro cellular & developmental biology. Animal” Wool follicles can grow in a lab with the right nutrients and conditions.
Different androgen concentrations affect wool-related gene expression differently in Hetian and Karakul sheep breeds.
1 citations,
January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
11 citations,
October 1997 in “British Journal of Dermatology” Wool follicles grew fibres for 8-10 days in a serum-free culture, influenced by calcium, glucose, amino acids, and insulin.
7 citations,
January 2001 in “Annales de zootechnie” Melatonin treatment increases wool production and improves fiber quality in angora rabbits.
6 citations,
May 2020 in “Scientific reports” Researchers identified genes and proteins that may influence wool thickness in sheep.
January 2012 in “Wool textile journal”