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Infertility of autoimmune origin in a stallion.
(1990-03-01)
Efeitos do tabagismo nos parâmetros seminais
(2002-05-01)
Objectives: We performed a study to evaluate the adverse effects of smoker patient on semen parameters. Material and Methods: We studied retrospective 238 semen specimen, 115 from men smoking and 123 from men nosmoking. ...
Idade masculina: Qualidade do sêmen e fertilidade: Idade masculina X qualidade seminal
(2012-09-10)
The man's age seems to affect reproductive function but to a lower degree compared with the woman's age. In fact, the effect of paternal age on semen quality has been discussed, but the results are contradictory. Considering ...
Semen variables of sheep (Ovis aries) experimentally infected with Toxoplasma gondii
(2009-04-01)
The influence of Toxoplasma gondii on semen variables and sperm morphology of sheep was evaluated in eight reproductive males distributed into three experimental groups: GI, three sheep inoculated with 2.0 × 105 of P strain ...
Spermatozoon ultrastructure and sperm cryopreservation of the Brazilian dry season spawner fish pirapitinga, Brycon nattereri
(Wiley-Blackwell, 2012-03-01)
The aims of this study were to describe the fresh spermatozoon ultrastructure using scanning and transmission electron microscopy and to improve the sperm cryopreservation methodology for the freshwater fish pirapitinga ...
Antisperm antibodies in infertile men and their correlation with seminal parameters
(2007-03-01)
Aim: Antisperm antibodies (ASA) in males cause the autoimmune disease 'immune infertility'. The present study intended to detect the presence of ASA and their incidence in men with unexplained infertility, as well as to ...
Possible mechanism by which zinc protects the testicular function of rats exposed to cigarette smoke
(2012-12-01)
Background: The aim of this study was to evaluate the changes in testicular function of rats due to cigarette smoke exposure and the possible mechanism by which zinc protects against these alterations. Methods: MaleWistar ...
Dissecting EPPIN protease inhibitor domains in sperm motility and fertilizing ability: Repercussions for male contraceptive development
(2021-12-01)
EPPIN (epididymal protease inhibitor) is a mammalian conserved sperm-binding protein displaying an N-terminal WFDC (whey-acidic protein four-disulfide core) and a C-terminal Kunitz protease inhibitor domains. EPPIN plays ...