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作者:Ejaz Ahmad , Zahid Naseer , Uğur Uçan ...
来源:[J].Animal Reproduction Science(IF 1.897), 2018, Vol.198, pp.112-120Elsevier
摘要:Abstract(#br)The study was conducted to evaluate the seasonal dynamics in the sperm acrosome reaction (AR), osmotic tolerance and serum testosterone concentration in rams. Blood and semen samples were collected from six mature rams during the winter, spring, summer and autumn ...
作者:Aida Abou-Haila , Daulat R.P. Tulsiani
来源:[J].Archives of Biochemistry and Biophysics(IF 3.37), 2000, Vol.379 (2), pp.173-182Elsevier
摘要:Abstract(#br)Sperm–egg interaction is a carbohydrate-mediated species-specific event which initiates a signal transduction cascade resulting in the exocytosis of sperm acrosomal contents (i.e., the acrosome reaction). This step is believed to be a prerequisite which enables t...
作者:Satoru Furuya , Yoshihiro Endo , Mikiko Oba ...
来源:[J].Journal of Assisted Reproduction and Genetics(IF 1.823), 1992, Vol.9 (4), pp.384-390Springer
摘要:Abstract(#br)Recently, the ligand-receptor signal transduction mechanism has been implicated in mediating the zona pellucida (ZP)-induced acrosome reaction. Little is known about the role of protein phosphorylation in this specific event. We examine whether modification of pr...
作者:C. Castellini , E. Mourvaki , R. Cardinali ...
来源:[J].Theriogenology(IF 2.082), 2012, Vol.78 (4), pp.715-723Elsevier
摘要:... The aim of this study was to investigate the implication of prostate gland in the production and secretion of granules into the rabbit semen and the role of prostate-derived granules in the sperm acrosome reaction. Light and electron microscopy of the prostate gland showed ...
作者:Sellappan Selvaraju , Binsila B. Krishnan , Santhanahalli Siddalingappa Archana ...
来源:[J].Cryobiology(IF 2.137), 2016, Vol.73 (1), pp.55-62Elsevier
摘要:Abstract(#br)Insulin like growth factor 1 (IGF1) in the seminal plasma is reported to improve sperm motility by reducing oxidative stress. The present study was conducted to assess the effect of addition of IGF1 on sperm function and protein composition during cryopreservati...
作者:P.R. Somanath , K. Suraj , K.K. Gandhi
来源:[J].Small Ruminant Research(IF 1.124), 2000, Vol.37 (3), pp.279-286Elsevier
摘要:Abstract(#br)Experiments were designed to characterize the effect of progesterone and the zona pellucida (ZP) on the goat sperm acrosome reaction (AR) through a comparative study. Goat spermatozoa were incubated for 4 h in Krebs–Ringer bicarbonate media (KRB) for capacitation...
作者:Carmen Beltrán , Victor D. Vacquier , Gary Moy ...
来源:[J].Biochemical and Biophysical Research Communications(IF 2.406), 2007, Vol.358 (4), pp.1128-1135Elsevier
摘要:Abstract(#br)cAMP is important in sea urchin sperm signaling, yet the molecular nature of the adenylyl cyclases (ACs) involved remained unknown. These cells were recently shown to contain an ortholog of the mammalian soluble adenylyl cyclase (sAC). Here, we show that sAC is prese...
作者:Victor D Vacquier , Gary W Moy
来源:[J].Developmental Biology(IF 3.868), 1997, Vol.192 (1), pp.125-135Elsevier
摘要:Abstract(#br)The sea urchin sperm cell is an advantageous model for studying ligand-mediated exocytosis. Sperm can be obtained in vast quantities and induced to undergo exocytosis of the acrosomal vesicle with great synchrony. During sea urchin fertilization, egg jelly (EJ) ...
作者:Aldo E Calogero , Nunziatina Burrello , Emanuela Ferrara ...
来源:[J].Fertility and Sterility(IF 4.174), 1999, Vol.71 (5), pp.930-936Elsevier
摘要:Abstract(#br)Objective: To evaluate which γ-aminobutyric acid (GABA) receptor mediates the stimulatory effects of this neurotransmitter on the human sperm acrosome reaction, and to examine the interaction of progesterone, a physiologic inducer of the acrosome reaction, with...
作者:Ignacio López-González , Jose L. De La Vega-Beltrán , Celia M. Santi ...
来源:[J].Developmental Biology(IF 3.868), 2001, Vol.236 (1), pp.210-219Elsevier
摘要:Abstract(#br)The sperm acrosome reaction (AR) is a regulated exocytotic process required for gamete fusion. It depends on an increase in [Ca 2+ ] i mediated by Ca 2+ channels. Although calmodulin (CaM) has been reported to regulate several events during the AR, it is not know...

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