47 citations
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July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
46 citations
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May 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” The vitamin D receptor is essential for skin stem cells to grow, move, and become different cell types needed for skin healing.
46 citations
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September 2013 in “PLOS ONE” Thyrotropin-Releasing Hormone helps heal wounds in frog and human skin.
46 citations
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April 2009 in “Journal of Dermatological Case Reports” Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.
45 citations
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February 2011 in “Journal of the European Academy of Dermatology and Venereology” People with lichen planus have higher bad cholesterol and lower good cholesterol, increasing their risk for heart disease.
45 citations
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July 2009 in “Journal of Investigative Dermatology” The S100A4 protein is more common in psoriatic skin and could be a target for treating psoriasis.
43 citations
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October 2013 in “Journal of Investigative Dermatology” Organotypic culture systems can grow skin tissues that mimic real skin functions and are useful for skin disease and hair growth research, but they don't fully replicate skin complexity.
42 citations
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April 2013 in “Steroids” Non-classic congenital adrenal hyperplasia is a common disorder causing symptoms like acne and infertility, and it's managed based on symptoms, not just test results. Treatment can improve fertility and reduce miscarriage risk.
42 citations
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October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
41 citations
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June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
40 citations
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January 2018 in “Pharmaceutics” Eucalyptol and oleic acid in nanoemulsions improve minoxidil delivery to hair follicles, potentially enhancing hair loss treatment.
40 citations
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January 2010 in “International Journal of Trichology” Loose Anagen Syndrome is a hair condition where hairs can be easily pulled out, mainly affecting young girls, and may improve on its own or with treatment.
40 citations
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January 1996 in “Journal of Dermatological Treatment” Antimicrobial lotion reduces inflammation and increases hair density in hair loss patients.
38 citations
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November 2018 in “Scientific Reports” Bird scales evolved from feathers, not reptile scales.
37 citations
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June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
37 citations
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June 2011 in “Journal of The American Academy of Dermatology” Loss of sebaceous glands and inflammation may contribute to the development of scarring alopecia.
36 citations
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April 2018 in “Journal of Investigative Dermatology” Macrophages help hair growth after injury through CX3CR1 and TGF-β1.
36 citations
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February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
36 citations
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May 2016 in “Biomaterials” Endo-HSE helps grow hair-like structures from human skin cells in the lab.
36 citations
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July 2014 in “Neuromuscular Disorders” A patient with a larger than usual genetic mutation had a broader range of symptoms for a muscle disease.
36 citations
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September 2013 in “PLoS ONE” Sweat gland stem cells help maintain glands, aid wound healing, and can regenerate skin structures.
36 citations
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April 2013 in “Cell and Tissue Research” Bone-marrow and epidermal stem cells help heal wounds differently, with bone-marrow cells aiding in blood vessel formation and epidermal cells in hair growth.
36 citations
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March 2011 in “Nature Communications” Cells from a skin condition can create new hair follicles and similar growths in mice, and a specific treatment can reduce these effects.
35 citations
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November 2020 in “Experimental Dermatology” Different types of skin cells are organized in a special way in large wounds to help with healing and hair growth.
35 citations
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January 2018 in “Skin pharmacology and physiology” Nanoemulsion creams with certain enhancers can greatly increase caffeine delivery through skin.
35 citations
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October 2015 in “International Journal of Pharmaceutics” Tiny particles carrying roxithromycin can effectively target and deliver the drug to hair follicles without irritation.
35 citations
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April 2014 in “American Journal of Medical Genetics” Boys with less severe EDA mutations in XLHED have milder symptoms and better sweat and hair production.
34 citations
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January 2005 in “Journal of the American Veterinary Medical Association” Cyclosporine A can reduce inflammation in dogs with sebaceous adenitis, but ongoing treatment is needed.
32 citations
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December 2017 in “International Journal of Molecular Sciences” Low vitamin D might be linked to certain types of hair loss, and supplements could help, but more research is needed.