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12.322  Articles
1 of 1.233 pages  |  10  records  |  more records»
The standard acrosome reaction (AR) in cryopreserved semen doses of dairy and beef cattle breed was analyzed in this study. 18 frozen semen doses from 6 bulls (3 semen samples per bull) of 3 different cattle breeds (2 Charolais, 2 Holstein, 2 Fleckvieh) w... see more

Leukemia is one of the most common cancers in patients of reproductive age. It is well known that chemotherapy, used as anti-cancer therapy, adversely affects male fertility. Moreover, the negative effect of leukemia on sperm quality, even before chemothe... see more

Black Berrendo cattle breed belongs to the Andalusian heritage bovine livestock and itis a endangered one, protected by the EU programs of cattle conservation. There are onlyseminal frozen doses from 10 bulls of this breed. It is important to know their a... see more

Objective. This study aimed to investigate the sensitivity of the testis, epididymis, seminal vesicle, and sperm acrosome reaction (AR) to monosodium L- glutamate (MSG) in rats. Materials and methods. Rats were divided into four groups and fed with non-ac... see more

SERPINE2 (serpin peptidase inhibitor, clade E, member 2), predominantly expressed in the seminal vesicle, can inhibit murine sperm capacitation, suggesting its role as a sperm decapacitation factor (DF). A characteristic of DF is its ability to reverse th... see more

Proteins CD9 and CD81 are members of the tetraspanin superfamily and were detected in mammalian sperm, where they are suspected to form an active tetraspanin web and to participate in sperm–egg membrane fusion. The importance of these two proteins d... see more

The acrosome reaction is part of the training that mammalian sperm must undergo in order to penetrate the female gamete. Previous authors have described differences in this process between different races as well as between bulls of the same race. The aim... see more

En el último tiempo se ha logrado un importante progreso en las tecnologías de fecundación in vitro en el ganado bovino; sin embargo, a pesar de haber obtenido gestaciones a partir de estas técnicas, es baja aún la tasa de desarrollo de los ovocitos ... see more

Progesterone (P) has been reported to affect several sperm functions especially capacitation and acrosome reaction. The main problem of (P) is its low aqueous solubility. So formulation of progesterone nanoparticles (PN) will enhance its solubility. This ... see more

1 of 1.233 pages  |  10  records  |  more records»