295 citations,
September 2006 in “Cell Cycle” The conclusion is that using drugs to block the TOR pathway might slow aging and prevent age-related diseases.
157 citations,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
117 citations,
August 2008 in “Sociology of Health and Illness” The conclusion is that the increasing use of drugs for lifestyle reasons is a complex issue influenced by corporate profit, consumer behavior, and the medicalization of everyday life, with potential negative effects on personal well-being.
117 citations,
November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
113 citations,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
90 citations,
October 1998 in “Animal Reproduction Science” Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.
85 citations,
October 2006 in “Current opinion in cell biology” Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
68 citations,
March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
58 citations,
March 2013 in “Human Reproduction Update” Products should be called 'sperm-safe' only after thorough, well-designed tests.
51 citations,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
47 citations,
May 1999 in “Reproduction” Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
38 citations,
November 2000 in “Hastings Center Report” The document suggests medicine should integrate biological and cultural factors and focus on holistic, equitable care.
35 citations,
April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
34 citations,
July 2010 in “Expert Opinion on Drug Delivery” The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.
28 citations,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
27 citations,
April 2020 in “Molecular Biology and Evolution” Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.
27 citations,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
23 citations,
March 1989 in “The Veterinary clinics of North America. Food animal practice” Llamas often have skin issues like mange, bacterial infections, and allergies, with some treatable by zinc.
20 citations,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
17 citations,
June 2020 in “Animals” lncRNAs may regulate hair follicle development in Hu sheep.
17 citations,
June 2012 in “European journal of medicinal chemistry” New steroid compounds effectively inhibit 5α-reductase and may treat hair loss.
15 citations,
January 2019 in “Experimental Dermatology” Lanyu pigs show that partial-thickness wounds can partially regenerate important skin structures, which may help improve human skin healing.
14 citations,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
14 citations,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
10 citations,
June 2005 in “Small ruminant research” Melatonin treatment may increase cashmere production in Spanish goats.
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.
7 citations,
March 2019 in “Medicine” Combining light therapy and microneedling shows promise for treating female hair loss.
7 citations,
July 2018 in “Journal of Functional Biomaterials” A new anti-baldness patch effectively treats hair loss by blocking enzymes linked to the condition.
7 citations,
August 2005 in “Evolutionary anthropology” Human hair is unique and important for understanding human evolution and identity.
6 citations,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.