Hair movement can indicate hair quality and health.
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July 2017 in “Structure” FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
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March 2019 in “Nature Communications” Frontal fibrosing alopecia is linked to four genetic areas, especially the HLA-B*07:02 allele.
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October 2017 in “Journal of the European Academy of Dermatology and Venereology” Various potential triggers may be causing the rise in frontal fibrosing alopecia, and avoiding these could help stop the disease's increase.
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March 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” A gene mutation causes early keratinocyte maturation leading to hair loss in Olmsted syndrome.
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September 2021 in “CRC Press eBooks” Frontal Fibrosing Alopecia is a hair loss condition mainly affecting postmenopausal women, with unclear causes and various clinical patterns.
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September 2025 in “Frontiers in Immunology” Folate receptor β helps suppress the immune system in macrophages and affects cancer growth and hair health.
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January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
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September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” NF-κB is crucial for different stages and types of hair growth in mice.
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September 2016 in “Journal of Dermatological Science” Björnstad syndrome causes twisted hair from birth.
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October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
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September 2016 in “Genes Brain & Behavior” Zfp462 deficiency in mice causes anxiety-like behaviors and excessive self-grooming.
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January 2013 in “Human Mutation” A mutation in the HOXC13 gene causes hair and nail problems in a Syrian family.
Lack of Fgf21 slows hair growth by affecting gene interactions.
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June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” A boy's skin fragility and sparse hair were caused by a genetic mutation affecting skin cell adhesion.
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January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
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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.