92 citations
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November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
91 citations
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August 2015 in “Anais Brasileiros De Dermatologia” Female Pattern Hair Loss affects women's self-esteem and needs more research for better treatment.
91 citations
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May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
88 citations
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July 2008 in “Development” BMP2 and BMP7 have opposite roles in feather formation.
87 citations
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January 2017 in “PLoS Genetics” Removing both KLK5 and KLK7 proteins can prevent death and skin issues in Netherton syndrome.
87 citations
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January 2016 in “Development” Blocking β-catenin in skin cells improves hair growth during wound healing.
87 citations
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March 2011 in “Australasian Journal of Dermatology” Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.
86 citations
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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.
85 citations
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August 2015 in “Journal of Applied Genetics” Mutations in specific genes disrupt development of sweat glands, teeth, hair, skin, and nails in HED.
85 citations
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July 2002 in “Pigment Cell Research” The article concludes that while we understand a lot about how melanocytes age and how this can prevent cancer, there are still unanswered questions about certain pathways and genes involved.
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.
82 citations
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February 2017 in “Cold Spring Harbor Perspectives in Biology” The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.
81 citations
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July 2008 in “The Journal of Clinical Endocrinology and Metabolism” Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.
80 citations
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April 2011 in “Plant physiology” White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.
78 citations
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January 2000 in “Gynecological Endocrinology” Norgestimate is the most effective birth control progestin for reducing an enzyme linked to acne and excessive hair growth in women.
77 citations
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February 2017 in “Stem Cell Reports” SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.
75 citations
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February 2016 in “The Journal of Sexual Medicine” Androgens play a role in female sexual function, and testosterone therapy can help women with low sexual desire, but more research is needed on treatments and long-term safety.
75 citations
,
October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
74 citations
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January 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.
72 citations
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November 2012 in “PloS one” The protein folliculin, involved in a rare disease, works with another protein to control how cells stick together and their organization, and changes in this interaction can lead to disease symptoms.
72 citations
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January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
69 citations
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January 2013 in “Frontiers in Immunology” The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.
69 citations
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September 2006 in “Human Reproduction” Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.
69 citations
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August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
68 citations
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September 2018 in “International Journal of Molecular Sciences” Air pollution (PM10) increases skin inflammation and aging by reducing collagen and may trigger a repair response in skin cells.
66 citations
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January 2001 in “Vitamins and hormones” Androgen receptors are key for development and health, affecting conditions like prostate cancer and male pattern baldness.
65 citations
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July 2006 in “Journal of biological chemistry/The Journal of biological chemistry” The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.
65 citations
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September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
64 citations
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March 2017 in “Nature communications” Researchers found 63 genes linked to male-pattern baldness, which could help in understanding its biology and developing new treatments.
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.