Results 41 to 50 of about 103,424 (339)
Performance of rodent spermatozoa over time is enhanced by increased ATP concentrations: The role of sperm competition [PDF]
, 2016 © 2015 by the Society for the Study of Reproduction, Inc. Sperm viability, acrosome integrity, motility, and swimming velocity are determinants of male fertility and exhibit an extreme degree of variation among closely related species.
Luque-Larena, Juan José +5 more
core +1 more source
The World Journal of Men's Health, 2023 Purpose: Whether COVID-19 reduces male fertility remains requires further investigation. This meta-analysis and systematic review evaluated the impact of COVID-19 on male fertility.
Shangren Wang +6 more
doaj +1 more source
JMIR Medical Informatics, 2020 BackgroundHuman sperm quality fluctuates over time. Therefore, it is crucial for couples preparing for natural pregnancy to monitor sperm motility.
Tsai, Vincent FS +4 more
doaj +1 more source
Use of endocrine and immune responses as predictors of bull sperm motility [PDF]
, 2015 Research has shown that peripheral blood cell populations change in response to an immune challenge, and hormone concentrations directly affect sperm characteristics.
Looper, Michael +3 more
core +2 more sources
Sperm glyceraldehyde 3-phosphate dehydrogenase gene expression in asthenozoospermic spermatozoa [PDF]
, 2017 It has been suggested that the energy required for sperm motility is produced by oxidative phosphorylation while glycolysis seems to be an important source for ATP transmission along the flagellum.
Coltrinari, Giulia +6 more
core +1 more source
FEBS Open Bio, EarlyView.In the blood–testis barrier, occludin is crucial for tight junctions. This study demonstrates that occludin‐targeting short peptides disrupt junction integrity, inducing immune cell infiltration, tumor necrosis factor‐α/interleukin‐6 secretion and mitochondrial dysfunction, ultimately triggering apoptosis.
Heng Wang, Xiaofang Tan, Deyu Chen
wiley +1 more source
Inhibitory Effect of TREK Channel Blockers on Sperm Viability and Motility of Korean Native Bull
Journal of Animal Reproduction and Biotechnology, 2017 Antioxidants have been added to cryoprotectant or in vitro culture medium for sperm to reduce the detrimental damage, such as reactive oxygen species.
Dawon Kang, Eun-Jin Kim, Jaehee Han
doaj +1 more source
Computerized Sperm Motility and Application of Sperm Cryopreservation [PDF]
Archives of Andrology, 1988 An objective method for measuring sperm motion characteristics was developed on an Intellect 100 Quantel Image Analysis System suitable for various image cytometric applications. It provided overall analysis of percent motility (% MS) as well as individual and mean measurements of motion characteristics, including vigor characteristics such as ...
J Auger, J P Dadoune
openaire +3 more sources
Factors affecting sperm recovery rates and survival after centrifugation of equine semen [PDF]
, 2012 Conventional centrifugation protocols result in important sperm losses during removal of the supernatant. In this study, the effect of centrifugation force (400 or 900 × g), duration (5 or 10 min), and column height (20 or 40 mL; Experiment 1); sperm ...
Eilts, B. E. +4 more
core +2 more sources
Body mass index and age correlate with antioxidant supplementation effects on sperm quality: Post hoc analyses from a double-blind placebo-controlled trial [PDF]
, 2020 Spermatozoa are vulnerable to lack of energy and oxidative stress as a result of elevated levels of reactive oxygen species. Therefore, it is essential that appropriate nutrients are available during maturation.
Agarwal, Ashok +9 more
core +1 more source