Results 201 to 210 of about 225,472 (253)

C60 Fullerenes Suppress Reactive Oxygen Species Toxicity Damage in Boar Sperm

Nano-Micro Letters, 2019
HighlightsCarboxylated C60 may be considered a novel antioxidant agent to be used as a semen extender supplement for assisted reproductive technology.Carboxylated C60 could enhance the motility parameters and characteristics of boar spermatozoa during ...
Xinhong Li, Yafei Zhang
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Accessory sperm: a biomonitor of boar sperm fertilization capacity

Theriogenology, 2005
The number of accessory sperm found in the zona pellucida of porcine embryos was correlated to their individual quality and to the embryo quality range found within a single sow. Our goal was to determine whether accessory sperm counts provide semen evaluation with additional, useful information.
Florencia, Ardón, Meike, Evert, Martin, Beyerbach, Karl-Fritz, Weitze, Dagmar, Waberski   +4 more
openaire   +2 more sources

Boar Sperm Encapsulation ReducesIn VitroPolyspermy

Reproduction in Domestic Animals, 2010
A boar sperm encapsulation technology in barium alginate has been developed to enhance reproductive performances and spermatozoa preservation time; aim of this work was to evaluate the effect of in vitro sperm encapsulation on polyspermy as a function of storage time at 18 degrees C.
Faustini M., Bucco M., GALEATI, GIOVANNA, SPINACI, MARCELLA, Villani S., Chlapanidas T., Guidoni I., Vigo D., Torre M. L.   +8 more
openaire   +3 more sources

Resveratrol protects boar sperm in vitro via its antioxidant capacity

Zygote (Cambridge. Print), 2020
Summary The objective of the present study was to elucidate whether resveratrol could facilitate the survival of boar sperm during liquid preservation and fast cooling processes.
Linlin Sun, Xiaoteng Fan, Yao Zeng, Li-Qiang Wang, Zhendong Zhu, Rongnan Li, Xiu’e Tian, Yongjun Wang, Yan Lin, De Wu, W. Zeng   +10 more
semanticscholar   +1 more source

Controlled freezing studies on boar sperm cryopreservation

Andrologia, 2009
Boar spermatozoa from different males were frozen at a number of cooling rates using a controlled-rate freezing machine designed to minimise thermal variables involved in the cooling process, to see whether inter-boar sperm cryosurvival may be improved by changing cooling rate. Four cooling rates in the range 3 degrees C min(-1) to 24 degrees C min(-1)
A, Medrano, W V, Holt, P F, Watson
openaire   +2 more sources

Rutin protects boar sperm from cryodamage via enhancing the antioxidative defense.

Animal science journal = Nihon chikusan Gakkaiho, 2020
This study was aimed to investigate whether and how Rutin protects boar sperm against cryoinjury during cryopreservation. Five concentrations of Rutin with 0.2, 0.4, 0.6, 1.0, and 2.0 mM were added to the freezing extender of boar sperm, respectively ...
Dejun Xu, Lin Wu, Li Yang, Dingbang Liu, Huali Chen, G. Geng, Qingwang Li   +6 more
semanticscholar   +1 more source

New Aspects of Boar Sperm Encapsulation

Reproduction in Domestic Animals, 2011
ContentsThe study takes into account the main steps and techniques for boar semen encapsulation, to optimize the instrumental insemination interventions. The use of cheap, biocompatible polymers as alginate can assure a regular, constant release of spermatozoa in the sow reproductive system, avoiding the double/triple intervention of insemination and ...
openaire   +2 more sources

Influence of progesterone on boar sperm capacitation

Journal of Endocrinology, 1995
Abstract This research investigates the effect of progesterone (P4) on boar sperm capacitation. Ejaculated spermatozoa were washed and incubated under capacitating conditions with or without P4. At different times of incubation samples of sperm were exposed to solubilized zonae pellucidae (ZP) and the degree of capacitation was evaluated by the
BARBONI, Barbara, MATTIOLI, Mauro, SEREN E.   +2 more
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Rosmarinic acid improves boar sperm quality, antioxidant capacity, and energy metabolism at 17 °C via AMPK activation.

Reproduction in domestic animals = Zuchthygiene, 2020
Boar sperm are susceptible to oxidative damage caused by reactive oxygen species (ROS) during storage. Adenosine monophosphate (AMP)-activated protein kinase (AMPK) is an important therapeutic target because it is a cellular metabolism energy sensor and ...
Tian-Yu Feng, Dongliang Lv, Xing Zhang, Yeqing Du, Yitian Yuan, Meijie Chen, Huaming Xi, Yu Li, Ning Han, Jianhong Hu   +9 more
semanticscholar   +1 more source

Boar Acrosin. Isolation of Two Active Forms from Boar Ejaculated Sperm

Hoppe-Seyler´s Zeitschrift für physiologische Chemie, 1982
A simple method avoiding the use of nonionogenic detergent has been developed for the isolation of two forms of boar acrosin from ejaculated sperm. Each of the two forms was electrophoretically homogeneous and showed one N-terminal sequence only; Val-Val. The two acrosin forms isolated differ in molecular mass and amino acid composition. alpha-Acrosin,
B, Zelezná, D, Cechová
openaire   +2 more sources