Results 131 to 140 of about 33,341 (304)

In Vitro Motility, Velocity and Capacitation Status of Merino Ram Spermatozoa [PDF]

open access: yes, 2012
The objective of the present study was to determine the effects of Merino rams on the in vitro motility, velocity and capacitation status of ram spermatozoa. Four rams of proven fertility were used in this study.
Fiztpatrick, L. (L)   +2 more
core   +2 more sources

Sialidases on Mammalian Sperm Mediate Deciduous Sialylation during Capacitation [PDF]

open access: hybrid, 2012
Fang Ma   +7 more
openalex   +1 more source

Improvement of Mouse Spermatozoa Freezing at ‐80°C With Ascorbic Acid 2‐Glucoside at Thawing Phase

open access: yesAndrology, EarlyView.
ABSTRACT Background Sperm cryopreservation is the most common method to maintain a great number of mutant mouse lines. However, the use of liquid nitrogen (LN2) for freezing presents considerable problems in terms of cost, safety, and accessibility. For this reason, the storage of semen samples at ‐80° in ultra‐freezers has been increasingly used in ...
Alessia Paradiso   +6 more
wiley   +1 more source

Hyperactivation and Tyrosine Phosphorylation of Cryopreserved Stallion Spermatozoa in Relation to Conventional In Vitro Fertilization Blastocyst Production

open access: yesAndrology, EarlyView.
ABSTRACT Background Challenges in establishing clinical conventional in vitro fertilization (IVF) in horses include variation in sperm and oocyte quality, which can be affected by mare age. Extended preincubation of stallion spermatozoa has resulted in successful IVF.
Raul A. Gonzalez‐Castro   +6 more
wiley   +1 more source

Policy Learning and Policy Development in Innovation Policy: Canada's Global Innovation Clusters Initiative

open access: yesCanadian Public Administration, EarlyView.
Abstract This article argues that policy learning is essential for effective innovation policy. The ability to learn from past experiments in a reflexive fashion is a prerequisite for effective policy design. The article responds to the call for more applied research to compliment the theoretical framing of policy learning in the literature.
David A. Wolfe, Travis Southin
wiley   +1 more source

TRPV4 is the temperature-sensitive ion channel of human sperm. [PDF]

open access: yes, 2018
Ion channels control the ability of human sperm to fertilize the egg by triggering hyperactivated motility, which is regulated by membrane potential, intracellular pH, and cytosolic calcium.
Lishko, Polina V   +2 more
core   +2 more sources

Establishment of Human Formative Pluripotent Stem Cell‐Like Cells Exhibiting Amniotic Differentiation Potentials

open access: yesCell Proliferation, EarlyView.
The hfPSC‐LCs could be established from naïve hESCs, conventional hESCs, hiPSCs, and human blastocysts. The hfPSC‐LCs hold robust capacity for three germ layers, hPGCLCs, and hALPCs. ABSTRACT Human embryos undergo pivotal morphogenetic remodelling shortly after implantation. The understanding of this crucial stage is severely impeded by the scarcity of
Xiaoxiao Wang   +11 more
wiley   +1 more source

The tree‐parasitic fungus Cryphonectria carpinicola discovered on European chestnut and European hornbeam in Azerbaijan

open access: yesEPPO Bulletin, EarlyView.
Abstract The ascomycetous fungus Cryphonectria carpinicola is typically found in its asexual form on the European hornbeam, and its sexual state has only recently been discovered in deadwood of different Carpinus species in Japan. Recently, this fungus has been added to the EPPO Alert List due to its increasing incidence in the EPPO region and a ...
Carolina Cornejo   +2 more
wiley   +1 more source

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