November 2004 in “John Wiley & Sons, Ltd eBooks” Insulin resistance is linked to PCOS and can lead to other health issues, but treatments like metformin can help manage symptoms.
January 2016 in “Ankara Üniversitesi Tıp Fakültesi mecmuası” Severe hair loss (androgenetic alopecia) is linked to higher risk of heart disease (cardiovascular atherosclerosis).
April 2018 in “Gynäkologische Endokrinologie” Testosterone in older women can increase bone density, muscle mass, fat mass, improve memory, and boost libido, but may cause nipple color changes.
January 2019 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” October 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Certain gene variations are significantly linked to hair loss, especially in white people.
49 citations,
May 2020 in “Journal of Clinical Investigation” Exosomes are crucial for protecting sensory hair cells in the inner ear.
1 citations,
August 2021 in “International Journal of General Medicine” Severe and early hair loss may indicate a higher risk of heart disease.
August 2023 in “International journal of impotence research” Many dermatologists believe finasteride can cause sexual side effects and counsel patients about them.
Androgenetic alopecia, or hair loss, is caused by genetic factors and hormones, with different mechanisms in men and women, and can be linked to insulin resistance and polycystic ovary syndrome.
286 citations,
June 2012 in “Nature Immunology” Hair follicles help attract immune cells to the skin during stress.
182 citations,
May 2003 in “Development” Myc activation reduces skin stem cells by affecting cell adhesion.
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February 2018 in “Immunity” Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.
152 citations,
April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” A new mutation in the Connexin 26 gene was found in a patient with KID syndrome, expanding the known disorders linked to this gene.
149 citations,
January 2011 in “Nature reviews. Urology” Hormonal interactions, especially involving DHT and estrogen, play a key role in BPH development and treatment.
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March 2019 in “Cell Stem Cell” Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.
92 citations,
April 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Nonpalmoplantar skin cells can be made to express keratin 9 by interacting with palmoplantar fibroblasts.
64 citations,
March 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” GPRC5D is linked to the formation of hair, nails, and certain tongue areas.
48 citations,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
37 citations,
April 2018 in “Journal of Allergy and Clinical Immunology” A mutation in the IKZF1 gene causes immune system overactivity, linked to autoimmune diseases like lupus.
36 citations,
October 2021 in “Frontiers in Endocrinology” Insulin resistance and high male hormone levels are major causes of Polycystic Ovary Syndrome.
36 citations,
March 2014 in “Cell death and differentiation” Disrupting β-catenin signaling in certain cells causes anorectal malformations.
33 citations,
January 2016 in “Indian Journal of Dermatology, Venereology and Leprology” Taking 1 mg of finasteride daily can increase hair count and improve hair appearance, but it may have side effects on sexual function and a potential risk of prostate cancer. It may not be effective for postmenopausal women unless taken in higher doses.
31 citations,
November 2015 in “PloS one” Reducing Tyrosinase prevents mature color pigment cells from forming in mouse hair.
31 citations,
July 2012 in “Journal of Lipid Research” ACBP is crucial for healthy skin in mice.
29 citations,
March 2021 in “Frontiers in Endocrinology” Testosterone may influence COVID-19 severity and outcomes.
29 citations,
January 2021 in “Journal of nanobiotechnology” Tiny particles from brain cells help hair grow by targeting a specific hair growth pathway.
29 citations,
April 2000 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” ICAM-1 helps regulate hair growth cycles and skin remodeling.
28 citations,
December 2015 in “Journal of biological chemistry/The Journal of biological chemistry” Prostasin has two roles in skin: one for normal skin development without needing activation, and another for proper hair growth that requires activation.
24 citations,
April 2014 in “Oncotarget” Minoxidil can reduce functions related to androgen receptors.
23 citations,
September 2021 in “Frontiers in Cellular and Infection Microbiology” Testosterone's effects on COVID-19 are unclear and need more research.