Biotin boosts wool growth and follicle health in sheep.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
127 citations
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March 2016 in “PLoS ONE” Key genes and pathways crucial for hair follicle development in cashmere goats were identified, aiding fleece production improvement.
23 citations
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May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
1 citations
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July 2012 in “EFSA journal” KF2BL20 does not have proven benefits for maintaining normal hair.
7 citations
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
37 citations
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May 2018 in “Frontiers in physiology” Certain RNA molecules are important for the development of wool follicles in sheep.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
12 citations
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September 2018 in “Naturwissenschaften” Melatonin treatment increases a specific RNA in goat cells that boosts cashmere growth.
61 citations
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April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
22 citations
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September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
19 citations
,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
3 citations
,
May 2024 in “Amino Acids” Disrupted cysteine metabolism may cause hair breakage in Alopecia Areata, suggesting potential treatments like N-acetylcysteine.
1 citations
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July 2013 in “Hair transplant forum international” Advancements in hair follicle culture have led to better understanding and potential treatments for hair loss.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
July 2002 in “Australasian Journal of Dermatology” A woman with lupus had hair loss and skin issues that were successfully treated with medications.
January 2013 in “Wageningen Academic Publishers eBooks” Proteomics helps understand protein changes in wool fiber development.
42 citations
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February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.
October 2025 in “Coloration Technology” Delipidised wool is brighter, dyes better, and is more eco-friendly.
June 2025 in “Biomolecules” RORA affects hair follicle stem cells' structure and movement, potentially helping treat hair loss.
February 2025 in “International Journal of Molecular Sciences” RORA plays a key role in controlling seasonal hair molting by affecting hair follicle cell activity.
November 2023 in “Biology” N6-methyladenosine affects hair follicle development differently in Rex and Hycole rabbits.
January 2024 in “Authorea (Authorea)” Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
25 citations
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November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.
24 citations
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June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
55 citations
,
March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
38 citations
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December 2011 in “British Journal of Dermatology” Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.
4 citations
,
September 2003 in “Livestock Production Science” Epidermal growth factor reduces hair growth, but cortisol does not.
2 citations
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February 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.