44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
2 citations,
August 1995 in “Acta agriculturæ Scandinavica. Section A, Animal science” Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.
10 citations,
April 1995 in “Animal Science/Animal science” Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.
New treatments for hair loss show promise, including plasma, stem cells, and hair-stimulating complexes, but more research is needed to fully understand them.
157 citations,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
2 citations,
September 2020 in “Schweizer Archiv für Tierheilkunde” Swiss Holstein cattle with curly, short hair carry genes from the Simmental breed.
5 citations,
June 2015 in “Veterinary dermatology” A dog with complete hair loss regrew most hair after treatment, with no relapse after stopping treatment.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
15 citations,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
5 citations,
July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damage hair follicles by detaching stem cells.
81 citations,
June 2014 in “Cold Spring Harbor perspectives in medicine” Skin has specialized touch receptors that can tell different sensations apart.
39 citations,
September 2007 in “BMC developmental biology” Neuregulin3 affects cell development in the skin and mammary glands.
21 citations,
February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
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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.
7 citations,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
17 citations,
May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
23 citations,
December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
91 citations,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
22 citations,
July 2016 in “Cellular and Molecular Life Sciences” Genetic changes in mice help understand skin and hair disorders, aiding treatment development for acne and hair loss.
73 citations,
January 2002 in “Journal of Investigative Dermatology” Epidermal stem cells don't use gap junctions to communicate.
January 2015 in “American journal of medical and biological research”
31 citations,
April 1999 in “Dermatologic Clinics” Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.
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February 1998 in “Chemico-Biological Interactions” Scientists identified three genes important for processing certain brain chemicals, thyroid hormones, and medications.
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July 2016 in “Veterinary Dermatology” Dermoscopy is useful for diagnosing hair loss patterns in dogs.
59 citations,
September 2008 in “Experimental dermatology” Both mouse and rat models are effective for testing alopecia areata treatments.
1 citations,
June 2014 in “Journal of developmental biology” Retinoic acid helps change skin cells and is important for skin development and hair growth.
14 citations,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
117 citations,
April 2008 in “Developmental biology” Ectodysplasin inhibits Wnt signaling to help form hair follicles.
55 citations,
April 2017 in “Experimental Dermatology” The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.