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The present study was designed to determine the effects of ghrelin on in vivo and in vitro secretion of testosterone (T) and the expression of androgen receptor (AR) mRNA in the adult rat testis. The distribution of growth hormone secretagogue receptors (GHS-R 1a ) in the testis was also...
Prostasomes, vesicles present in human semen, are known to play a role in male fertility. However, the mechanisms involved are still poorly understood. The present study looks at the direct influence of different concentrations of prostasomes on human sperm function in conditions supporting...
Sperm progressive motility has been reported to be one of the key factors influencing in vitro fertilization rates. However, recent studies have shown that sperm DNA fragmentation is a more robust predictor of assisted reproductive outcomes including reduced fertilization rates, embryo quality,...
Understanding the identity and changes of organisms in the urogenital and other microbiomes of the human body may be key to discovering causes and new treatments of many ailments, such as vaginosis. High-throughput sequencing technologies have recently enabled discovery of the great diversity of...
Sperm nuclear proteins, the protamines (PRM) and transition nuclear proteins (TNP) play a crucial role in sperm nuclear condensation. The compact packaging of sperm DNA by protamines maintains sperm genome integrity, which is prerequisite for normal sperm function. However the effect of...
The purpose of this study was to assess follicular viability and competence through in vitro maturation (IVM) of cryoloop vitrified mouse preantral follicles. Early mouse preantral follicles were isolated and vitrified using the cyroloop vitrification technique. After thawing, the preantral...
Testicular volume, hormones, and growth factors are used as predictors of finding motile testicular sperm in azoospermic men. In this study, the possible predictive value of very simple parameters such as systematic history, clinical examination, and determination of ejaculate volume have been...
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