109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
98 citations,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
98 citations,
December 2008 in “Journal of Investigative Dermatology” Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.
98 citations,
February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
85 citations,
September 2013 in “International Journal of Molecular Sciences” Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.
78 citations,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
77 citations,
April 2004 in “Gene expression patterns” The three estrogen receptor genes are highly expressed in zebrafish neuromasts during development.
69 citations,
November 2010 in “Middle East Fertility Society Journal” PCOS affects women's health by increasing the risk of diabetes, heart disease, and reproductive issues.
69 citations,
September 2006 in “Human Reproduction” Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.
62 citations,
August 2018 in “Frontiers in Endocrinology” Androgens are important for normal ovarian function and estrogen production, but may not be the main cause of follicle death.
60 citations,
April 2010 in “General and Comparative Endocrinology” Fadrozole and finasteride change gene expression related to sex hormones and thyroid hormones in frog larvae development.
54 citations,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
52 citations,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
49 citations,
April 2016 in “International journal of molecular sciences” Shift nurses show altered body temperature and stress hormone levels, suggesting their body clocks adjust to irregular schedules.
48 citations,
March 2019 in “Frontiers in Physiology” Wounds on the face usually heal with scars, but understanding how some wounds heal without scars could lead to better treatments.
47 citations,
April 2000 in “The American journal of pathology” Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.
41 citations,
September 2005 in “Wound Repair and Regeneration” Hydrogen peroxide can cause scars by changing healing processes and increasing certain protein levels.
40 citations,
November 2016 in “Molecules” Some plants used in traditional medicine may help treat cancer because they contain proteins that can inactivate ribosomes.
39 citations,
September 2017 in “The Open Rheumatology Journal” Low serum complement levels in SLE patients don't always match with disease flares; monitoring C3 and C4 is useful, but cell-bound complement products might better indicate disease activity.
39 citations,
November 1984 in “Journal of Cardiovascular Pharmacology” Minoxidil lowers blood pressure, increases heart rate, and improves blood flow in dogs.
36 citations,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
36 citations,
November 2009 in “Journal of Investigative Dermatology” Prolactin may affect hair growth differently based on gender and scalp area.
34 citations,
August 2005 in “Dermatologic Clinics” Stress and emotional factors can worsen skin conditions by affecting the immune system.
32 citations,
January 1990 in “Clinical Endocrinology” Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.
31 citations,
April 2019 in “Experimental and Therapeutic Medicine” β-blockers can cause skin problems like psoriasis and vitiligo, and doctors should tell patients about these risks.
31 citations,
July 2015 in “Clinical, Cosmetic and Investigational Dermatology” Hair restoration surgery effectively treats hair loss with natural-looking results, using techniques like stem cells and platelet-rich plasma.
29 citations,
February 2018 in “Genetics research international” Certain genetic variations are linked to increased androgen levels in PCOS, but more research is needed to understand these connections fully.
26 citations,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
25 citations,
June 2012 in “Endocrine” PCOS may start before birth, involves metabolic issues, and can be treated with drugs like metformin and lifestyle changes.