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September 2005 in “Pharmacology Biochemistry and Behavior” 5alpha-reductase 2 is crucial for proper male brain development and sexual differentiation.
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June 2001 in “Molecular and Cellular Endocrinology” Mutations in the androgen receptor gene cause androgen insensitivity, leading to female traits in genetically male individuals.
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April 2014 in “Annales d'endocrinologie” New genes and pathways are important for testosterone production and male sexual development.
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March 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.
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May 2024 in “The Journal of Sexual Medicine” Clomiphene Citrate can quickly restore fertility in some men after long-term steroid abuse.
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August 1996 in “The Journal of Clinical Endocrinology & Metabolism” The same gene mutation can cause different symptoms in family members.
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March 2015 in “Journal of Endocrinological Investigation” The research suggests that the ZP4 gene is linked to egg development in women with PCOS but requires more study to understand its role in infertility.
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March 1993 in “Toxicology and Applied Pharmacology” Finasteride affects male rat genitalia development, causing abnormalities during specific pregnancy days.
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June 1967 in “The journal of nutrition/The Journal of nutrition” Lack of essential fatty acids in diet causes reproductive issues and poor health in male rabbits.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
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October 2016 in “Bone” A male with aromatase deficiency improved bone health with estradiol treatment.
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July 2023 in “F&S Reviews” Some common medications may harm male fertility by affecting hormones, sperm production, and sexual function.
April 2019 in “Journal of the Endocrine Society” A 12-year-old boy with PAIS successfully developed male characteristics using high-dose testosterone and anastrozole.
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May 2021 in “Journal of Assisted Reproduction and Genetics” COVID-19 may harm male fertility and damage the reproductive system.
Long-term finasteride use may affect sperm structure and chromosomes.
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December 2018 in “Frontiers in Endocrinology” Differences in androgen receptor expression and tissue properties may lead to higher cryptorchidism risk in certain rats.
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January 2023 in “International journal of urology” Low zinc levels are linked to low testosterone but not to sexual problems.
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October 2000 in “The Journal of Urology” Finasteride daily doesn't affect sperm production or semen in young men.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
April 2011 in “The FASEB Journal” Amlodipine impairs fertility in male rats by affecting sperm and testicular structure.
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October 2010 in “General and Comparative Endocrinology” Flutamide and finasteride reduced sex hormones in pregnant hyenas, but increased them in males.
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April 2012 in “Fertility and Sterility” Finasteride causes lasting fertility decrease in rats.
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October 2020 in “Research Square (Research Square)” Men with male pattern baldness had worse COVID-19 symptoms, but early treatment with certain drugs improved outcomes for all.
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