210 citations
,
February 2008 in “Nature genetics” Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
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.
112 citations
,
September 2021 in “BMC Biology” Key genes and factors crucial for hair follicle development and wool traits in Merino sheep were identified.
98 citations
,
May 2016 in “Genes” Understanding wool keratin-associated proteins in sheep can help improve wool quality through selective breeding.
97 citations
,
March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
95 citations
,
March 2009 in “Differentiation” Gene expression in wool follicles changes with growth cycles, offering insights into wool and human hair growth.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
78 citations
,
May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
69 citations
,
January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
50 citations
,
February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
47 citations
,
June 2017 in “The FEBS journal” Disabling the FGF5 gene in sheep leads to longer wool.
42 citations
,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
37 citations
,
May 2018 in “Frontiers in physiology” Certain RNA molecules are important for the development of wool follicles in sheep.
35 citations
,
April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
29 citations
,
July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
27 citations
,
March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
26 citations
,
December 1999 in “Journal of Investigative Dermatology” Certain genes are linked to wool follicle structure and function, but not hair cycle regulation.
22 citations
,
September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
20 citations
,
February 1994 in “In vitro cellular & developmental biology. Animal” Wool follicles can grow in a lab with the right nutrients and conditions.
18 citations
,
September 2018 in “The Journal of Agricultural Science” Genetic variation in the KRTAP15-1 gene affects wool yield in sheep.
18 citations
,
January 1965 in “Stain Technology” 18 citations
,
January 2015 in “Journal of medical genetics” New genes linked to woolly hair have been found, which could help treat it and change hair texture.
17 citations
,
November 2017 in “Asian-Australasian journal of animal sciences” Certain gene mutations are linked to wool quality in sheep and could help in breeding for better wool.
17 citations
,
October 2017 in “Scientific reports” Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.
17 citations
,
October 1997 in “Australian Journal of Agricultural Research” Stocking rate affects wool follicle inactivity, not Merino strain.
15 citations
,
January 1999 in “Reproduction Fertility and Development” Merino sheep have fewer wool follicles at birth than before birth.
14 citations
,
December 1991 in “Annals of the New York Academy of Sciences” MYC protooncogenes may be important for hair growth, but more research is needed.
12 citations
,
October 1947 in “Journal of the Society of Dyers and Colourists” Mercuric acetate makes wool unshrinkable by changing its elastic properties.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.