349 citations
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January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
343 citations
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December 2008 in “Endocrine Reviews” Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.
276 citations
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December 2017 in “Journal of Dermatological Science” The document concludes that mouse models are helpful but have limitations for skin wound healing research, and suggests using larger animals and genetically modified mice for better human application.
271 citations
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September 2008 in “Nutrition reviews” Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.
205 citations
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March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
163 citations
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April 2019 in “Nature Communications” Mechanical stretching of the skin can promote hair growth by activating certain immune cells.
144 citations
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November 2020 in “Frontiers in immunology” Targeting the IL-23/IL-17 pathway effectively treats several inflammatory skin diseases.
138 citations
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July 2015 in “Clinical, Cosmetic and Investigational Dermatology” Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.
134 citations
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January 2019 in “American journal of clinical dermatology” Antibiotics can reduce acne but may lead to resistant bacteria, and understanding the skin's bacteria is important for treatment.
128 citations
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August 2015 in “Cell Stem Cell” Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.
127 citations
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January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
110 citations
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July 2017 in “Immunology” Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.
106 citations
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March 2013 in “Nature Communications” A new genetic region, 17q21.31, is linked to higher ovarian cancer risk.
102 citations
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December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Restoring hair bulb immune privilege is crucial for managing alopecia areata.
92 citations
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September 2015 in “Journal of Lipid Research” Skin fat helps with body temperature control and has other active roles in health.
85 citations
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July 2025 in “Nature Communications” Nanozymes greatly improve biocatalysis by being stable, efficient, and versatile.
76 citations
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April 2013 in “PLoS ONE” Chronic stress can cause hair loss by increasing oxidative stress, but antioxidants may help.
70 citations
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February 2019 in “The journal of immunology/The Journal of immunology” Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.
68 citations
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May 2011 in “European Journal of Dermatology” Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.
64 citations
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August 2014 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” A deficiency in the TTC7A gene causes immune problems, gut issues, and hair loss.
59 citations
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June 2023 in “Nature Aging” Blocking IL-17 signaling may reduce skin inflammation and delay aging.
59 citations
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October 2020 in “Stem Cell Reviews and Reports” Men have higher COVID-19 mortality rates than women due to biological and lifestyle factors.
57 citations
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December 2021 in “Nature Communications” Non-canonical Wnt signaling helps intestinal stem cells move to injury sites for tissue repair.
57 citations
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March 2019 in “Immunity” The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.
56 citations
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February 2012 in “Cell Cycle” MicroRNAs are crucial for controlling skin development and healing by regulating genes.
56 citations
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February 2006 in “American journal of physiology. Cell physiology” Steroid sex hormones activate matriptase in prostate cancer cells but not in breast cancer cells.
54 citations
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January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
53 citations
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October 2014 in “Free radical biology & medicine” Defective mitochondrial DNA replication causes aging symptoms and increased oxidative damage in mice.
53 citations
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March 2014 in “Cold Spring Harbor Perspectives in Medicine” The document explains different types of hair loss, their causes, and treatments, and suggests future research areas.
50 citations
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March 2021 in “Journal of investigational allergology & clinical immunology” Dupilumab is being tested for many new skin, respiratory, and gastrointestinal conditions.