Results 31 to 40 of about 226,100 (242)
Role of oxidative stress and antioxidants in domestic and non-domestic cat spermatozoa [PDF]
, 2010 Living cells, including spermatozoa, stored under aerobic conditions require oxygen to support their normal metabolism. Excessive levels of metabolites (reactive oxygen species; ROS) can cause cell damage or lipid peroxidation.
Thuwanut, Paweena
core +1 more source
WormBook, 2006 Form follows function, and this maxim is particularly true for the nematode sperm cell. Motility is essential for fertilization, and the process of spermatogenesis culminates in the production of a crawling spermatozoon with an extended pseudopod.
openaire +2 more sources
Influence of sperm cryopreservation on sperm motility and proAKAP4 concentration in mice
Reproductive Medicine and Biology, 2022 Background The protein proAKAP4 is crucial for sperm motility and has been suggested as an indicator of male fertility. We determined the relationship between proAKAP4 concentration and sperm motility parameters in mice, and investigated the effects of ...
Auke Boersma +8 more
doaj +1 more source
The association between sperm aneuploidy and male infertility: Screening, aetiology and possible routes to alternative therapy [PDF]
, 2003 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.One in six couples wishing to start a family are infertile.
Tempest, Helen Ghislaine
core +7 more sources
Studies on the sperm reservoir of the pig oviduct [PDF]
, 2003 During sperm transport in the female pig a proportion of spermatozoa are arrested, often for 24 h or more, in a particular segment of the utero-tubal junction (UTJ) and the adjacent tubal isthmus, where a sperm reservoir (SR) is built up.
Tienthai, Paisan
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
Avian Research, 2019 Background Sperm motility parameters, which can be measured objectively and repeatedly by a computer-assisted sperm analysis (CASA) system, are important indicators of sperm quality. However, the sperm motility parameters assessed by a CASA system can be
Ying Yang +6 more
doaj +1 more source
High concentration of dopamine treatment may induce acceleration of human sperm motility
Reproductive Medicine and Biology, 2022 Purpose In humans, catecholamines (including dopamine) have been identified in semen and fallopian tubes, while dopamine D2 receptors (D2DR) are found in the sperm midpiece region.
Hiroki Kanno +5 more
doaj +1 more source
The C‐terminal domain of yeast Arginyltransferase1 is essential for its catalytic activity
FEBS Open Bio, EarlyView.Arginyltransferase 1 (Ate1), a eukaryotic enzyme, catalyses arginylation, transferring arginine from tRNA‐Arg to the amino terminus of the target protein. Overexpression of Ate1 in yeast is lethal and is dependent on arginylation. This study elucidates how mutations in the cofactor‐binding and active site of Ate1 and truncation of its structural ...
Vikas Kumar Yadav +4 more
wiley +1 more source
Guaifenesin and increased sperm motility: a preliminary case report
, 2010 Gary Means1, Cristóbal S Berry-Cabán2, Kurt Hammermeuller11Department of Family Medicine, 2Department of Research, Womack Army Medical Center, Fort Bragg, NC, USABackground: A review of the literature and an extensive Medline search
Cris Berry-Caban +3 more
core +1 more source