8 citations
,
October 2017 in “Dermatology practical & conceptual” A spermidine-based supplement may help hair grow longer by keeping it in the growth phase.
April 2022 in “The Journal of Sexual Medicine” Treating hematospermia can improve sexual function and reduce anxiety.
1 citations
,
December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
104 citations
,
May 2019 in “F1000Research” Losing weight, fixing varicoceles, and using advanced sperm selection methods improve male infertility treatment outcomes.
September 2008 in “Fertility and Sterility” Men and women in infertile couples feel using donor sperm may cause more stress and marital issues than using donor eggs.
October 2025 in “Physiologia” Spermidine may improve skin health and hair growth by enhancing cell function.
January 2025 in “MEDS Public Health and Preventive Medicine” Spermidine supplements can help extend the hair growth phase and may be useful for treating hair loss.
70 citations
,
April 2014 in “Annales d'endocrinologie” New genes and pathways are important for testosterone production and male sexual development.
17 citations
,
May 2021 in “Journal of Cell Science” N1-acetylspermidine promotes hair follicle stem cell self-renewal.
June 2014 in “The Journal of Urology” 2 citations
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
April 2026 in “ACS Applied Materials & Interfaces” Sper-12 nanoparticles may help treat hair loss by delivering siRNA to target androgen receptors.
61 citations
,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
19 citations
,
March 2016 in “Frontiers in Plant Science” Spermidine is essential for plant growth and adaptation to stress.
26 citations
,
July 2020 in “Fertility and Sterility” Male infertility and genitourinary birth defects are often linked to genetic issues.
13 citations
,
July 2015 in “Archives of dermatological research” N1-methylspermidine helps hair growth and reduces inflammation in hair follicles.
2 citations
,
May 2006 in “Journal of Separation Science” The method effectively measures spermidine in hair lotions.
February 2026 in “Applied Biosciences” The study found potential new DNA patterns in fertility genes, but further testing is needed.
2 citations
,
August 2021 in “The Journal of Urology” The procedure involving seminal vesiculoscopy, TURED, and balloon dilation effectively treated a man's hematospermia and improved his dysorgasmia.
13 citations
,
September 2011 in “International Urology and Nephrology” 16 citations
,
March 2020 in “Animal Biotechnology” Transgenic sheep embryos with a specific promoter were successfully created, but more research is needed for gene expression in hair follicles.
A stable sheep ovarian cell line was created for studying reproduction and hormones.
72 citations
,
September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
Long-term finasteride use may affect sperm structure and chromosomes.
20 citations
,
January 2021 in “GeroScience” Spermidine helps protect against aging by preserving telomere length.
2 citations
,
March 2016 in “The Journal of Urology” Male infertility often lacks thorough investigation, potentially missing reversible causes.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
1 citations
,
October 2024 in “BMJ Case Reports” Fertility-preserving surgery can help women with early-stage Sertoli-Leydig cell tumors conceive naturally.
10 citations
,
July 1980 in “British Journal of Dermatology” Topical putrescine and spermine increased DNA synthesis in hairless mouse skin.
June 2026 in “The Journal of Sexual Medicine” Rare seminoma found in a 33-year-old woman with atypical genitalia and no Y chromosome.