research Reproductive System, Male
The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
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research Hormonal prevention of prostate cancer
Suppressing certain hormones might help prevent prostate cancer.
research Association of hair dye use with circulating levels of sex hormones in premenopausal Japanese women
Long-term hair dye use may increase testosterone levels in women.
research Androgen excess disorders remain undiagnosed in one of every four premenopausal women with Type 1 diabetes
25% of premenopausal women with Type 1 diabetes have undiagnosed androgen excess disorders.
research PMON319 A Pure Androgen Secreting Adrenal - Cortical Tumor in a 13 Year Old Female
A 13-year-old girl's masculine symptoms improved after surgery for a rare adrenal tumor that produced male hormones.
research Different synaptic stimulation patterns influence the local androgenic and estrogenic neurosteroid availability triggering hippocampal synaptic plasticity in the male rat
The availability of certain hormones and specific stimulation patterns affect long-term synaptic changes in the male rat brain.
research Virilization from partner's use of topical androgen in a reproductive-aged woman
A woman's virilization symptoms were caused by her partner's use of testosterone cream, which resolved after they separated.
research The Double Edge Sword of Testosterone’s Role in the COVID-19 Pandemic
Testosterone may influence COVID-19 severity and outcomes.
research Sperm aneuploidy in infertile male patients: a systematic review of the literature
Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.
research Clinical and metabolic implications of obesity in prostate cancer: is testosterone a missing link?
Higher BMI and lower testosterone are linked to more aggressive prostate cancer.
research Testosterone in COVID-19: An Adversary Bane or Comrade Boon
Testosterone's effects on COVID-19 are unclear and need more research.
research Effects of in vivo-administered 2,3,7,8-tetrachlorodibenzo-p-dioxin on receptor binding of epidermal growth factor in the hepatic plasma membrane of rat, guinea pig, mouse, and hamster.
TCDD reduces EGF receptor activity and causes various developmental changes in animals.
research Timing of puberty in relation to semen characteristics, testicular volume, and reproductive hormones: a cohort study
Men who went through puberty later had lower sperm counts and altered hormone levels, possibly affecting fertility.
research ラット精巣におけるビタミンD 代謝関連遺伝子の発現解析
The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.
research Defects in Androgen Biosynthesis Causing 46,XY Disorders of Sexual Development
Genetic defects in androgen production are linked to male developmental disorders and are improving treatment understanding.
research Finasteride-related Leydig cell tumour: report of a case and literature review
Finasteride use may be linked to rare testicular tumor, but more research needed.
research The Plastic and Functional Changes in Hippocampal Neurons During Pregnancy, Delivery and Postpartum are Reversed by Offspring Deprivation
Pregnancy and nursing increase certain brain activities in rats, but these changes disappear when the babies are taken away.
research Musculoskeletal and body composition response to high-dose testosterone with finasteride after chronic incomplete spinal cord injury—a randomized, double-blind, and placebo-controlled pilot study
Testosterone with finasteride improved muscle and bone health in men with spinal cord injury.
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 Severe Hyperandrogenemia and Insulin Resistance in a 12-Year-Old Girl
A 12-year-old girl with very high testosterone and insulin resistance improved with birth control pills, suggesting PCOS can cause high testosterone without tumors.
research Genome-wide association study identifies a new locus JMJD1C at 10q21 that may influence serum androgen levels in men
A new gene, JMJD1C, may affect testosterone levels in men.
research The use of testosterone after menopause
Testosterone therapy can improve sexual satisfaction and mood in surgically menopausal women when used with estrogen, but its long-term safety and effects on naturally menopausal and premenopausal women are unclear.
research Manifestation of Hyperandrogenism in the Continuous Light Exposure-Induced PCOS Rat Model
Continuous light exposure in rats leads to PCOS-like symptoms and suggests sleep habits might affect the disorder's development.
research Premature isolated adrenarche in a six-year-old girl
A six-year-old girl has early signs of puberty, needs no treatment, but requires regular check-ups for future health risks.
research Sex dependent influence of a functional polymorphism in steroid 5‐α‐reductase type 2 (SRD5A2) on post‐traumatic stress symptoms
SRD5A2 gene variations affect PTSD symptoms differently in males and females.
research 5α-Metabolism in Finasteride-Treated Subjects and Male Pseudohermaphrodites with Inherited 5α-Reductase Deficiency
Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
research Haben Schwangerschaft und Elternschaft Einfluss auf den Verlauf des PCO-Syndroms? Basis-Daten der prospektiven LIPCOS-Studie (Lebensstil-Intervention beim Polyzystischen Ovar Syndrom (PCOS))
Pregnancy and parenthood may help regulate PCOS symptoms.
research Progesterone Pretreatment Enhances Serotonin-Stimulated BDNF Gene Expression in Rat C6 Glioma Cells Through Production of 5α-Reduced Neurosteroids
research Contraception Care for Transmasculine Individuals on Testosterone Therapy
Transmasculine individuals on testosterone therapy need tailored contraception and fertility advice due to unique risks and benefits of each contraceptive method.
research Changes in expression of the neuropeptide Y Y1 receptor gene in the medial amygdala of transgenic mice during pregnancy and after delivery
Pregnancy-related hormone changes affect Y1 receptor gene expression in mice.