57 citations,
February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
[object Object] 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.
53 citations,
October 2012 in “The FASEB Journal” Bimatoprost, a glaucoma medication, may also help treat hair loss.
50 citations,
July 2021 in “Nature Communications” The drug enzalutamide may reduce the ability of the virus causing COVID-19 to enter lung cells.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
42 citations,
May 2013 in “Oral Diseases” Kennedy's disease leads to muscle weakness without a cure, but exercise and managing symptoms may help patients live a normal lifespan.
41 citations,
August 2007 in “British Journal of Dermatology” Men with Kennedy disease have less chance of hair loss.
40 citations,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
39 citations,
March 2018 in “Archives of Dermatological Research” Androgens may block hair growth signals, targeting this could treat hair loss.
[object Object] 25 citations,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
19 citations,
October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
19 citations,
August 2014 in “Journal of Ethnopharmacology” The study created a test that found hormonal and toxic effects in plant and fungal extracts using prostate cancer cells.
15 citations,
January 2010 in “Reproduction, Fertility and Development” A certain gene variant may increase the risk of polycystic ovary syndrome in Chinese women.
12 citations,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
12 citations,
July 2014 in “Journal of Investigative Dermatology” Chemotherapy causes complex changes in hair follicle cells that can lead to hair loss.
11 citations,
September 2012 in “Journal of Nanjing Medical University” Cyclosporine A was found to increase hair growth in mouse whisker follicles.
10 citations,
December 2017 in “Chemosphere” Bisphenol-A (BPA) increases connections between brain cells and boosts their activity, but it blocks the effects of a male hormone on brain cell plasticity.
8 citations,
September 2021 in “EMBO Molecular Medicine” A new small peptide may help hair growth by activating a specific receptor and should be tested in humans.
6 citations,
December 2020 in “Dermatological reviews” COVID-19 may worsen with androgens; anti-androgen drugs could help.
6 citations,
September 2020 in “Advanced Biology” Blue-light activation of TrkA improves hair-follicle stem cells' ability to become neurons and glial cells.
3 citations,
April 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Beta-caryophyllene, found in essential oils, helps wounds heal better in multiple ways.
January 2016 in “Human & Experimental Toxicology” A specific DNA sequence caused hair loss in male mice by activating immune cells and increasing a certain immune signal.
May 2015 in “Endocrinología y nutrición” The conclusion is that adult males with muscle weakness and hormonal imbalances should be tested for Kennedy's disease.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
55 citations,
December 2014 in “Dermatologica sinica/Zhōnghuá pífūkē yīxué zázhì” Keratinocytes control how melanocytes work.
24 citations,
September 2005 in “Journal of Cellular Biochemistry” Retinoids increase steroid sulfatase activity in leukemia cells through RARα/RXR and involves certain pathways like phosphoinositide 3-kinase and ERK-MAP kinase.
1 citations,
January 2024 in “Nature communications” Activating TLR5 in the gut can extend lifespan and improve health in aged mice.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Early regulatory T cells are crucial for normal skin pigmentation.
April 2022 in “Biomedicine & Pharmacotherapy” CXCL12 protein slows down hair growth through its receptor CXCR4. Blocking this can potentially increase hair growth.
TLR3 signaling enhances the immunosuppressive properties of human periodontal ligament stem cells.