research Mouse Spermatogenesis Reflects the Unity and Diversity of Tissue Stem Cell Niche Systems
Mouse spermatogenesis shows that stem cells can behave flexibly and move widely in open environments.
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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 In Silico Promoter Motif Analysis of Human Fertility-Related Genes
The study found potential new DNA patterns in fertility genes, but further testing is needed.
research Sexual steroid regulation of spermatogenesis: new actors enter the stage
Estrogens and androgens are crucial for male fertility.
research Picogram determination of finasteride in human plasma and semen by high-performance liquid chromatography with atmospheric-pressure chemical-ionization tandem mass spectrometry
Method detects finasteride in plasma and semen with high sensitivity and accuracy.
research The effects of intradermal injections of spermidine on the growth rate of fibres and mitosis of wool follicles in Merino lambs
Spermidine injections increased wool growth rate in lambs without changing fibre thickness.
research 133 TIME LAGS BETWEEN VARIOUS MATURITY MEASURES AND SPERMACRCHE
Certain maturity signs appear before and after the first release of sperm in boys.
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.
research The effects of Finasteride on the expression of Dazl, Tsga10, Sycp3, Prm2 genes during spermatogenesis in testes of NMRI mice
Finasteride, at doses of 5mg or higher, may negatively affect male fertility by reducing the expression of certain genes involved in sperm production.
research The perception of donor gametes from male and female members of infertile couples
Men and women in infertile couples feel using donor sperm may cause more stress and marital issues than using donor eggs.
research Updates to Male Infertility: AUA/ASRM Guideline (2024)
The 2024 guideline updates recommendations for genetic testing, imaging, and sperm retrieval in male infertility.
research Re: Finasteride Use in the Male Infertility Population: Effects on Semen and Hormone Parameters
research Apoptosis during the first wave of spermatogenesis in the testis of offspring’ rats (F1:Fin) that were born from females fertilized by males chronically treated with finasteride
research Intraovarian platelet-rich plasma administration could improve blastocyst euploidy rates in women undergoing in vitro fertilization
Platelet-rich plasma may improve embryo genetics in IVF.
research Effects of Finasteride on Hemospermia.
research A Quantitative Measurement Method for Nuclear-Pleomorphism Scoring in Breast Cancer
A new method accurately measures cell changes in breast cancer.
research Salivary testosterone levels in infertile men
Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
research The Effects of Finasteride on Pituitary-Testicular Hormone Axis and Spermatogenesis in Rat.
research What should it take to describe a substance or product as 'sperm-safe'
Products should be called 'sperm-safe' only after thorough, well-designed tests.
research Is semen analysis necessary prior to initiation of finasteride treatment?
research Restoration of Spermatogenesis and Male Fertility Using an Androgen Receptor Transgene
Scientists restored fertility in male mice lacking a key fertility gene by using a modified gene.
research Diagnostic Performance of the Trichogram Compared to Histopathology of Scalp Biopsy in horizontal sections in Female Androgenetic Alopecia: A Retrospective Study
The trichogram is a practical, non-invasive, and cost-effective tool for diagnosing female androgenetic alopecia.
research Immunohistochemical analysis of estrogen and progesterone receptors in endometrium and peritoneal endometriosis: A new quantitative method
The new method showed that endometriotic tissue has lower estrogen receptor levels but similar progesterone levels compared to normal endometrium, with both following a similar cycle.
research Genitalia, Male The effect of finasteride on spermatogenesis of Mesocricetus auratus 1 Impacto da finasterida na espermatogênese do Mesocricetus auratus
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
research Pelvic ultrasound and color Doppler findings in different isosexual precocities
Ultrasound and color Doppler can help diagnose and decide treatment for early puberty in young girls.
research Androgen Signaling in Sertoli Cells
Androgens regulate Sertoli cells and affect fertility through specific receptors and coregulators.
research Evaluation and Interpretation of Female Infertility
Infertility requires quick, thorough, and cost-effective evaluation, including medical history, physical exams, and psychological support.
research Establishment and identification of immortalized sheep ovarian granulosa cells
A stable sheep ovarian cell line was created for studying reproduction and hormones.
research Effect of finasteride on human testicular steroidogenesis.
research Reproductive prognosis factors in women with infertility and polycystic ovary syndrome undergoing in vitro fertilization techniques
Age is more important than BMI for IVF success in women with infertility and PCOS.