19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
3 citations
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June 2011 in “EFSA Journal” Spermidine's effect on hair growth is not proven.
47 citations
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September 2002 in “Journal of Bone and Mineral Research” A mutation in the vitamin D receptor causes severe resistance to vitamin D, affecting bone health but not hair growth.
46 citations
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April 1987 in “Brain Research” Hair-follicle nerves in cats' spinal cords can be inhibited by GABA-related connections.
24 citations
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January 2018 in “Development” Frizzled 3 and Frizzled 6 together control the orientation of mouse hair follicles.
1 citations
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January 2013
47 citations
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April 2012 in “The Plant Journal” Phosphorylation of certain parts of the PIN3 protein is crucial for its role in plant root growth and response to gravity.
2 citations
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September 2024 in “Asian Journal of Andrology” New SRD5A2 variants may disrupt protein function, aiding diagnosis and treatment of related disorders.
March 2025 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Ferulic acid and resveratrol protect hair from chemical and sun damage.
7 citations
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October 2019 in “Frontiers in bioengineering and biotechnology” Fusion proteins can protect hair from heat damage.
January 2002 in “Agritrop (Cirad)” The hr gene is linked to hair loss in Valle del Belice sheep.
46 citations
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August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
88 citations
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August 2014 in “PLOS genetics” Syndecan-1 is essential for maintaining skin fat and preventing cold stress.
44 citations
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August 2004 in “Journal of Investigative Dermatology” A gene deletion in DSG4 causes sparse hair in some Pakistani families.
4 citations
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March 2024 in “Journal of Investigative Dermatology” SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.
Hidradenitis Suppurativa has genetic links, with certain gene mutations more common in patients and a third of cases having a family history.
June 2004 in “Journal of Investigative Dermatology” Apoptosis may play a role in feather and hair development, SF-36 is better for mental health in skin patients, a psoriasis gene is found in Caucasians, eosinophils might not be crucial for some skin allergies, and changes in atopic dermatitis could increase skin sensitivity.
67 citations
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December 2013 in “Journal of Biological Chemistry” SCD1 is crucial for skin health and overall energy balance.
84 citations
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July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology”
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
6 citations
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September 2024 in “Cell Communication and Signaling” Cell junctions are crucial for healthy skin by supporting sebaceous gland function and sebum production.
15 citations
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May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
19 citations
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March 1988 in “International Journal of Dermatology” Hair shaft dysplasias are abnormal hair conditions that can be inherited or acquired and may signal other health issues, with limited treatment options available.
May 2026 in “Research Square” The polyG fragment in Hoxc13 protein helps evolve mammalian skin and hair by enhancing gene interactions.
18 citations
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October 2009 in “Endocrinology” Different Hairless isoforms affect Vitamin D receptor activity in hair regulation, with one repressing and the other stimulating it.
72 citations
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June 2001 in “Journal of Investigative Dermatology” S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.