April 2019 in “Journal of Investigative Dermatology” Testosterone affects androgen receptors and lipid storage in cells, while DHEA does not convert to testosterone or affect these receptors in the same way.
July 2018 in “Elsevier eBooks” Scalp psoriasis can cause different types of hair loss, with some patients developing permanent hair loss, and treatment may be stopped due to skin reactions.
April 2019 in “Journal of Investigative Dermatology” Low-level laser therapy helps hair growth and reduces hair loss with few side effects.
510 citations,
August 2006 in “Endocrinology” The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.
245 citations,
March 2012 in “Journal of The American Academy of Dermatology” Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.
Dermatoscopy and videodermatoscopy are useful for diagnosing and monitoring various skin, hair, and nail conditions.
157 citations,
October 2003 in “Development” AXR3 and SHY2 genes control the growth and timing of root hair development in plants.
96 citations,
January 2013 in “International Journal of Trichology” Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.
89 citations,
September 2010 in “Annual Review of Genomics and Human Genetics” The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.
86 citations,
October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
86 citations,
December 2001 in “Experimental dermatology” Mutant mice help researchers understand hair growth and related genetic factors.
81 citations,
January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
75 citations,
March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.
69 citations,
January 2015 in “Current problems in dermatology” Trichoscopy is a quick, noninvasive method to diagnose hair and scalp disorders, often reducing the need for biopsies.
68 citations,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
66 citations,
November 2011 in “Journal of The American Academy of Dermatology” A handheld dermatoscope helps diagnose different types of hair loss effectively.
65 citations,
July 2006 in “Journal of biological chemistry/The Journal of biological chemistry” The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.
64 citations,
August 2007 in “Artificial Organs” PHBV nanofiber matrices help wounds heal faster when used with hair follicle cells.
60 citations,
April 2018 in “Clinical, cosmetic and investigational dermatology” Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.
57 citations,
July 2005 in “Genetics” Key genes are crucial for Drosophila wing development and could be insecticide targets.
53 citations,
May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
52 citations,
October 2012 in “Journal of Dermatological Science” The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.
49 citations,
August 2004 in “The FASEB Journal” Mice with human skin protein K8 had more skin problems and cancer.
47 citations,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
44 citations,
September 2012 in “Archives of Dermatology” Hair breakage may be an early sign of a hair loss condition called CCCA in African American women.
43 citations,
August 2013 in “Pediatric Dermatology” Trichoscopy is good for diagnosing and monitoring hair and scalp problems in children but needs more research for certain conditions.
42 citations,
July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
41 citations,
November 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
41 citations,
April 2016 in “Journal of experimental botany” RACB in barley is crucial for cell polarity and nucleus positioning, aiding fungal infection.
41 citations,
November 2011 in “The Journal of Dermatology” Some hair loss disorders are caused by genetic mutations affecting hair growth.