25 citations
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October 1996 in “Dermatologic Clinics” Loose Anagen Syndrome causes easy-to-pull, thin hair, mainly in young girls, and improves with age.
23 citations
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March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
22 citations
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July 1998 in “Journal of Investigative Dermatology” The 4C32 gene may help in mouse skin development and differentiation.
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April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
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June 2020 in “Animals” Poor maternal nutrition can lead to fewer wool follicles in Chinese Merino sheep.
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June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
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December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.
15 citations
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July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
14 citations
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December 2016 in “PloS one” Keratin 26 affects cashmere goat hair growth and is influenced by various treatments.
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June 2020 in “Scientific reports” Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.
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December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
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June 2017 in “Cell Cycle” Minoxidil foam helps hair growth by increasing good proteins and decreasing bad pathways in men with hair loss.
11 citations
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January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
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October 2001 in “Tissue engineering” Cultured epithelium can form hair follicles when combined with dermal papillae.
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May 2020 in “Journal of proteome research” Explosions don't stop hair proteins from being used to identify people.
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December 2024 in “Nano Research” A protein-based hydrogel helps heal diabetic wounds and repair nerves.
8 citations
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December 2017 in “Small Ruminant Research” Variation in the TCHH gene affects wool curliness in sheep.
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
7 citations
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October 2024 in “Cells” Autophagy is essential for proper skin cell development and function.
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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.
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January 2022 in “Gene” Scientists found 53 keratin genes in yaks that are important for hair growth and share similarities with those in other animals.
5 citations
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February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
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January 2016 in “Genetics and Molecular Research” Researchers found 617 genes that behave differently in cashmere goat hair follicles, which could help understand hair growth.
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January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
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December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
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April 1955 in “Textile Research Journal” The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
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March 2023 in “Biology” Genes affecting wool fiber thickness in Angora rabbits were identified, which could help breed finer wool.
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July 2011 in “Folia Histochemica et Cytobiologica” Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.
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August 2020 in “Scientific reports” Genes related to keratin, skin cell differentiation, and immune functions are key in hedgehog skin and spine development.
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January 2013 Hair can help solve crimes by revealing personal and chemical information.