Pashmina goats produce long hair-fiber due to specific gene expressions related to hair growth.
Avicennia Marina extract and avicequinone C can reduce hair loss hormone production and increase hair growth factors, suggesting they could be used to treat androgenic alopecia.
195 citations,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
138 citations,
May 2000 in “Maturitas” Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.
124 citations,
January 1993 in “The Prostate” Finasteride effectively inhibits 5α reductase, while plant extracts like Permixon and Bazoton don't show significant results.
116 citations,
December 2013 in “European journal of endocrinology” Combining liraglutide and metformin helps obese women with PCOS who didn't lose weight on metformin alone to lose more weight.
82 citations,
October 2019 in “Frontiers in Immunology” Changes to the Foxp3 protein affect how well regulatory T cells can control the immune system, which could help treat immune diseases and cancer.
81 citations,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
76 citations,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
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.
57 citations,
January 2004 in “Journal of Endocrinology” Baldness caused by male hormones in female-to-male transsexuals doesn't increase the risk of heart disease.
51 citations,
April 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
44 citations,
June 1985 in “Fertility and sterility” Combination drug therapy is effective for hirsutism that doesn't improve with just one medication.
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.
31 citations,
October 2005 in “British Journal of Dermatology” Hair loss in women not always linked to increased oil production; other factors may be involved.
27 citations,
August 2006 in “Laboratory Investigation” SCF and ET-1 together significantly increase skin pigmentation and melanin production.
24 citations,
May 2021 in “Nature Communications” Cavity macrophages gather on organ surfaces but don't really invade or help repair the organs after injury.
17 citations,
May 2012 in “Clinical Endocrinology” Surgery to lower high testosterone in postmenopausal women with certain ovarian tumors doesn't significantly affect their metabolism.
15 citations,
December 2016 in “Obstetrics & Gynecology” Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.
12 citations,
October 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
8 citations,
July 2010 in “Aesthetic Plastic Surgery” Adding more glutathione to the preservation solution doesn't reduce oxidative stress in hair transplants.
7 citations,
September 2022 in “Communications biology” Omega-6 fats in certain cells boost male hormone production.
7 citations,
March 2017 in “International Journal of Environmental Research and Public Health” Breathing in fine particles or Asian dust short-term doesn't affect schoolchildren's skin symptoms.
6 citations,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
5 citations,
October 2013 in “Endocrine” Blood tests can detect ovarian Leydig cell tumors when scans don't, and surgery can confirm and treat these tumors.
4 citations,
July 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
3 citations,
May 2020 in “Actas Dermo-Sifiliográficas” PRP injections increased hair density in men with hair loss but didn't work for everyone and more research is needed.
3 citations,
July 2011 in “Folia Histochemica et Cytobiologica” Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.
2 citations,
December 1983 in “Outlook on Agriculture” Plant hormones have potential in agriculture to increase food production but require more research for effective use.
May 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Double-stranded RNA helps regenerate hair follicles by increasing retinoic acid production and signaling.