January 2026 in “Frontiers in Animal Science” Gentile di Puglia sheep have finer wool and more lanolin than Sarda sheep.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
August 2025 in “Animal Bioscience” m6A methylation affects the thickness of Alpine Merino wool fibers.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
20 citations
,
February 1994 in “In vitro cellular & developmental biology. Animal” Wool follicles can grow in a lab with the right nutrients and conditions.
7 citations
,
August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
4 citations
,
May 2024 in “Genes” KRT81 gene variations in sheep affect wool weight but not fiber length or thickness.
4 citations
,
May 2018 in “Electronic Journal of Biotechnology” All-trans retinoic acid at high doses harms goat hair growth cells and could be bad for hair growth.
October 1993 in “Proceedings of The Nutrition Society” 4 citations
,
January 2020 in “Genes” The KRTAP21-2 gene affects wool length and quality in sheep.
2 citations
,
January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
1 citations
,
April 2025 in “Animals” The KRTAP13-3 gene affects wool fibre diameter variability in Chinese Tan sheep.
63 citations
,
October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
78 citations
,
February 2004 in “British Journal of Dermatology” Melatonin helps hair growth in women with hair loss.
36 citations
,
January 2021 in “Scientific Reports” Key genes and pathways, including Wnt, NF-Kappa, and JAK-STAT, are crucial for starting Pashmina fiber growth in goats.
5 citations
,
July 2019 in “Research Square (Research Square)” Yak hair growth is influenced by genes and hormones, helping them adapt to alpine environments.
1 citations
,
February 2021 in “Scholars international journal of anatomy and physiology” Different forms of FGF5 either promote or inhibit hair growth.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
9 citations
,
November 2022 in “Biology” Key genes and pathways influence wool traits in Merino sheep.
The new method can tell how hair fibers react to moisture after treatments.
January 2012 in “Heilongjiang xumu shouyi” EGF and KGF affect wool fineness in Gansu alpine Merino sheep.
1 citations
,
February 2023 in “Journal of Natural Fibers” Higher keratin protein levels are important for the wool's shine in Magra sheep.
Yak hair stretches mainly due to macromolecules slipping past each other.
506 citations
,
January 2012 in “Molecular and Cellular Endocrinology” Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.
349 citations
,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
128 citations
,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
127 citations
,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.