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Cytochalasin D inhibits penetration of hamster eggs by guinea pig and human spermatozoa
Cytochalasin D inhibits penetration hamster eggs guinea pig human spermatozoa
2009/2/23
Fertilization experiments using zona-free hamster eggs and spermatozoa from both guinea pig and human were conducted in the presence of cytochalasin D to evaluate the possible role of actin filame...
Germ cell degeneration in the contralateral testis of the guinea pig with unilateral torsion of the spermatic cord. Quantitative and ultrastructural studies
testis torsion quantitation germ cell guinea pig reproduction
2009/2/23
This study evaluated the long term effects of unilateral torsion of the spermatic cord on the contralateral testis of guinea pigs, employing both fine structural and quantitative studies. Young, adu...
Effect of gossypol acetate on guinea pig epididymal spermatozoa in vivo and their susceptibility to capacitation in vitro
gossypol sperm motility sperm maturation cytoplasmic droplet capacitation acrosome reaction
2009/2/20
To determine the effects of gossypol acetate on guinea pig epididymal and vas deferens sperm maturity and in vivo susceptibility to in vitro capacitation and the acrosome reaction, we examined sperm...
A study of phospholipase in albumin and its role in inducing the acrosome reaction of guinea pig spermatozoa in vitro
capacitation acrosome reaction spermatozoa
2009/2/19
Phospholipase activity associated with guinea pig spermatozoa during capacitation and the acrosome reaction (AR) was determined by measuring the production of [14C] glycerylphosphorylcholine (GPC) f...
The Effect of ATP Depletion upon the Acrosome Reaction in Guinea Pig Sperm
sperm motility ATP depletion acrosome
2009/2/19
The suspension of guinea pig spermatozoa in substrate-free medium results in the cessation of sperm motility and a 94% reduction in adenosine triphosphate (ATP) levels within minutes. ATP depletion wa...
The distribution of connexin 43 is associated with the germ cell differentiation and with the modulation of the Sertoli cell junctional barrier in continual（guinea pig）and seasonal breeders'（mink）testes
Gap junction Cx43 Sertoli cell blood-testis barrier
2009/2/13
To test whether the gap junction protein connexin 43 (Cx43) is associated with germ cell differentiation and with the Sertoli cell junctional blood barrier, we recorded the temporal changes in its d...
In this study, Leydig cells in mitosis in adult guinea pigs were quantified. Testes of adult control guinea pigs (n = 10) were fixed by whole body perfusion with 2.5% glutaraldehyde in cacodylate bu...
Preparation and short-term culture of enriched populations of guinea pig spermatocytes and spermatids
spermatogenesis spermatocyte spermatid
2009/2/6
In order to study acrosome biogenesis in vitro, the authors developed techniques for the isolation and culture of enriched populations of guinea pig spermatogenic cells using a modification of the t...
Marked species specificity of guinea pig luteinizing hormone：validation of a bioassay
species specificity guinea pig validation of a bioassay
2008/12/26
The Guinea pig is a potentially interesting alternative small animal model for the study of the neuroendocrine regulation of reproduction. However, appropriate gonadotropin assays are not widely ava...