research Delayed Puberty: Diagnosis and Management of Congenital Idiopathic Hypogonadotropic Hypogonadism
A 19-year-old male with delayed puberty was successfully treated for a condition that prevents normal hormone production.
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research The Laboratory in the Multidisciplinary Diagnosis of Differences or Disorders of Sex Development (DSD)
Diagnosing sex development disorders requires combining medical history, physical exams, imaging, lab tests, and genetic data.
research The Effect of Finasteride on the Secretion of Testosterone, DHT, LH, FSH, and Tissue Factors in the Testis of NMRI Mice
Finasteride reduces sperm count and quality and alters hormone levels in mice.
research Androgen Antagonists in Androgen Target Tissues
Antiandrogens have important biological effects, but more research is needed to understand them fully and compare their effectiveness and side effects to other treatments.
research Management of Congenital Adrenal Hyperplasia During Pregnancy
With careful management, people with congenital adrenal hyperplasia can have successful pregnancies and become parents.
research The Probable Destructive Mechanisms Behind COVID-19 on Male Reproductive System and Fertility
COVID-19 may harm male fertility and damage the reproductive system.
research Testosterone: The Male Sex Hormone
More research is needed to understand how testosterone is maintained in adult males.
research Leydig Cell Hyperplasia and Adenomas in Mice Treated with Finasteride, a 5α-Reductase Inhibitor: A Possible Mechanism
High doses of finasteride cause cell growth and tumors in mice.
research Leydig Cell Hyperplasia and Adenomas in Mice Treated with Finasteride, a 5α-Reductase Inhibitor: A Possible Mechanism
Finasteride causes abnormal growth in male mice cells at high doses.
research Androgen Receptor Antagonists Structure-Activity Relationships
Antiandrogens like flutamide are effective in treating conditions like prostate cancer and hair loss, but there's a need for more potent versions. Understanding their structure can help develop better treatments.
research Negative Impact of Testosterone Deficiency and 5α-Reductase Inhibitors Therapy on Metabolic and Sexual Function in Men
Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
research Significant Effects of Mild Endogenous Hormonal Changes in Humans: Considerations for Low-Dose Testing
Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.
research CAG Repeat Testing of Androgen Receptor Polymorphism: Is This Necessary for the Best Clinical Management of Hypogonadism?
Testing for CAG repeat polymorphism in the androgen receptor gene is not currently recommended for managing hypogonadism.
research Gonadotropin Releasing Hormone Agonist (Nafarelin) Test to Differentiate Gonadotropin Deficiency from Constitutionally Delayed Puberty in Teenage Boys: A Clinical Research Center Study
The nafarelin test can reliably distinguish between gonadotropin deficiency and delayed puberty in teenage boys.
research Significant Effects of Mild Endogenous Hormonal Changes in Humans: Considerations for Low-Dose Testing
Small hormonal imbalances can cause significant health problems, so more sensitive testing for hormone-disrupting chemicals is needed.
research Histological and Immunohistochemical Examination of the Effect of the Nonsteroidal Antiandrogen Flutamide on Some Organs of the Male Reproductive System in Albino Rats
Flutamide caused damage to male rat reproductive organs and may affect fertility.
research The Double-Edged Sword of Testosterone’s Role in the COVID-19 Pandemic
Testosterone may influence COVID-19 severity and outcomes.
research The Mechanisms and Management of Age-Related Oxidative Stress in Male Hypogonadism Associated with Non-Communicable Chronic Disease
Managing oxidative stress might help treat low testosterone and related chronic diseases in aging men.
research Alcohol and Prostate Cancer: Time to Draw Conclusions
Drinking a lot of alcohol increases the risk of prostate cancer and can worsen the condition.
research Endocrinology Overview: Male Reproductive Endocrinology and HPT Axis
The document explains how male reproductive hormones work and affect the body.
research Treatment of Androgen Excess in Females: Yesterday, Today, and Tomorrow
The document concludes that treating androgen excess needs patience, managing expectations is important, and many drugs used are not officially approved, suggesting cosmetic options for mild cases.
research Testicular Steroidogenesis: Production and Regulation of Testosterone and Dihydrotestosterone
Genetic defects in testosterone production can cause hormonal and developmental disorders, and more research is needed to understand androgen regulation and develop safer treatments.
research Corticotropin Releasing Factor-1 Receptor Antagonism Associated With Favorable Outcomes of Male Reproductive Health Biochemical Parameters
Blocking CRF1 receptors improved male hormone levels and reduced testicular tumor size in men with a specific adrenal condition.
research Testosterone Is a Contraceptive and Should Not Be Used in Men Who Desire Fertility
Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
research Exposure of Xenopus Laevis Tadpoles to Finasteride, an Inhibitor of 5-Alpha Reductase Activity, Impairs Spermatogenesis and Alters Hypophyseal Feedback Mechanisms
Finasteride exposure harms tadpole reproduction and hormone balance.
research The First Visit: Consultation and Workup Before Sperm Banking
A thorough initial check-up is essential before sperm banking to ensure the best chance of preserving good quality sperm.
research Sex Differences in the Hypothalamic–Pituitary–Adrenal Axis’ Response to Stress: An Important Role for Gonadal Hormones
Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.
research Gonadal Sex Steroids: Production, Action, and Interactions in Mammals
The document concludes that sex hormones are crucial for mammalian reproduction, health, and behavior, and require more research for therapeutic use.
research Hair Cortisol: A Biomarker of Chronic Stress in Animals and Its Association With Reproduction
High levels of cortisol in hair show long-term stress which can lower fertility in animals.
research Preponderance of Serum and Intra-Hepatic 5α-Dihydrotestosterone in Males with Hepatocellular Carcinoma Despite Low Circulating Androgen Levels
Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.