A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
20 citations
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November 2021 in “Frontiers in cell and developmental biology” Skin organoids from stem cells could better mimic real skin but face challenges.
1 citations
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January 2020 in “Skin appendage disorders” A family was found with both Trichorhinophalangeal syndrome and Loose Anagen Syndrome, suggesting a genetic connection.
57 citations
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January 2019 in “Stem Cell Research & Therapy” OCT4 helps hair stem cells renew and fight aging, potentially aiding hair regrowth.
13 citations
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July 2016 in “Pediatric Dermatology” Loose Anagen Syndrome is more common in females and may be inherited, often confused with other hair disorders, and lacks evidence for biotin treatment effectiveness.
78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
31 citations
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December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
46 citations
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October 2009 in “Archives of Dermatology” Loose anagen hair syndrome, often affecting young girls, can be diagnosed with a hair-pull test and usually gets better on its own, but severe cases may need treatment.
73 citations
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May 2009 in “Proceedings of the National Academy of Sciences” Disrupting the Sox21 gene in mice causes hair loss and regrowth cycles.
70 citations
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February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
84 citations
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April 2002 in “Archives of Dermatology” Loose anagen hair syndrome may be caused by keratin gene mutations.
5 citations
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March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
85 citations
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February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.