Women with a certain type of hair loss have more copper in the back of their head than the front, and treatment can normalize hair but not copper levels.
491 citations,
July 2000 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic ovary syndrome is found in 6.5% of unselected Caucasian women in Spain.
298 citations,
July 2000 in “The Journal of Clinical Endocrinology and Metabolism” About 6.5% of young Caucasian women in Spain have polycystic ovary syndrome.
282 citations,
October 2006 in “The Journal of Clinical Endocrinology and Metabolism” The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.
185 citations,
August 2020 in “Mayo Clinic Proceedings” Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.
168 citations,
August 2009 in “EMBO molecular medicine” Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.
158 citations,
July 1993 in “The Journal of Pediatrics” Omeprazole effectively treats severe acid reflux in children for short-term use, but long-term safety needs more research.
143 citations,
October 1996 in “Dermatologic Clinics” Too much androgen can cause hair loss; finasteride may help.
140 citations,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
96 citations,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
94 citations,
April 2002 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A new gene mutation causes female pseudohermaphroditism due to glucocorticoid resistance.
88 citations,
February 2011 in “Journal of Dermatological Science” Minoxidil helps hair growth by activating the β-catenin pathway.
84 citations,
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.
77 citations,
April 2004 in “Gene expression patterns” The three estrogen receptor genes are highly expressed in zebrafish neuromasts during development.
75 citations,
October 2002 in “Journal of Dermatological Science” Sophora flavescens extract may help hair grow by affecting growth factors and blocking a hair-related enzyme.
71 citations,
June 2006 in “Human Reproduction” Women with PCOS who have low SHBG are more likely to have low good cholesterol and metabolic syndrome.
70 citations,
June 1993 in “Biochemistry” Finasteride slowly binds to 5-alpha-reductase, affecting enzyme stability and inhibitor potency.
66 citations,
July 2007 in “Journal of Molecular Medicine” Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.
62 citations,
June 2015 in “The Journal of Dermatology” People with alopecia areata have more Th17 cells and fewer Treg cells, which may be key to the condition's development.
56 citations,
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,
February 1993 in “Endocrine reviews” Androgen conjugates might be better indicators of skin sensitivity to hormones in women with excessive hair growth.
53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
52 citations,
February 2006 in “Current pharmaceutical design” 5α-reductase inhibitors and alpha-1 adrenergic antagonists together effectively treat benign prostatic hyperplasia, with long-term benefits.
51 citations,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
50 citations,
July 2021 in “Nature Communications” The drug enzalutamide may reduce the ability of the virus causing COVID-19 to enter lung cells.
47 citations,
November 2012 in “Pharmaceutical research” Surface-modified nanoparticles mainly use non-follicular pathways to enhance skin permeation of ibuprofen and could improve treatment for inflammatory skin diseases.
45 citations,
June 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Silicon can improve skin and hair health, but more research is needed.
42 citations,
December 2016 in “Cell Death & Differentiation” Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.
40 citations,
January 2013 in “Journal of Korean Medical Science” Iron deficiency may contribute to hair loss.