18 citations,
June 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
39 citations,
January 2019 in “The World Journal of Men's Health” Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
15 citations,
October 2012 in “International Urology and Nephrology” Low-dose finasteride may cause fertility issues, but stopping it can improve sperm quality and lead to pregnancy.
3 citations,
February 2018 in “Human Reproduction” A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
August 2013 in “Fertility and Sterility” PCOS may be influenced by factors in the blood, not just the ovaries.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
9 citations,
July 2021 in “Frontiers in genetics” Melatonin makes cashmere grow earlier and more by increasing certain gene activity in goats.
59 citations,
March 2020 in “Journal of Biomedical Science” Understanding how hair follicle stem cells work can help find new ways to prevent hair loss and promote hair growth.
October 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking cell death in hair follicles can lead to impaired hair growth.
28 citations,
October 2013 in “Cornea” Scientists have made progress in creating replacement teeth, hair, and glands that work, which could lead to new treatments for missing teeth, baldness, and dryness conditions.
29 citations,
December 2019 in “Stem Cells Translational Medicine” Fully regenerating human hair follicles not yet achieved.
58 citations,
April 2009 in “Current stem cell research & therapy” Adult stem cells can become many different cell types, offering wide possibilities for repairing damaged tissues.
November 2020 in “Research Square (Research Square)” Keratin injections in mice can stimulate hair growth and might help treat hair loss.
2 citations,
January 2014 in “Elsevier eBooks” The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
June 2021 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The skin basement membrane is specialized for different tissue interactions, important for hair growth and attachment.
192 citations,
March 2017 in “Cell host & microbe” Hair follicle development and microbes help regulatory T cells gather in newborn skin.
3 citations,
July 2021 in “Life science alliance” PNKP is essential for keeping adult mouse progenitor cells healthy and growing normally.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” KIF18B is important for correctly positioning cell division machinery in skin cells, affecting hair follicle development.
April 2017 in “Journal of Investigative Dermatology”
4 citations,
January 2011 in “Medical Hypotheses”
30 citations,
November 2018 in “EMBO Reports” The Ovol2-Zeb1 circuit is crucial for skin healing and hair growth by guiding cell movement and growth.
85 citations,
January 2018 in “Cell stem cell” Different signals work together to change gene activity and guide hair follicle stem cells to become specific cell types.
14 citations,
September 2018 in “International Journal of Molecular Sciences” Mackerel-derived fermented fish oil helps hair grow by activating growth pathways and increasing cell proliferation.
11 citations,
November 2021 in “International journal of molecular sciences” Gut microbes significantly affect brain steroid levels.
August 2016 in “Journal of Investigative Dermatology” Zinc deficiency disrupts hair growth and cycle, but zinc supplements can fix this.
42 citations,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.
31 citations,
January 2014 in “International Journal of Trichology” The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.
28 citations,
May 2012 in “Veterinary Dermatology” Different types of dog hair loss are linked to problems starting the hair growth phase and early hair cycle ending.
4 citations,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
28 citations,
March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.