sperm cells
In search of epigenetic marks in testes and sperm cells of differentially fed boars.
... in sperm cells we expected to find differences of gene expression that are directly carried to the egg via fertilization and would eventually be involved in early ...germ cells of the F1 generation ...
5
Sperm handling in aquatic animals for artificial reproduction
... determine sperm concentration have been developed and adapted to different ...specialized sperm counting chambers such as Makler ® ...to sperm concentration ...the sperm suspension, can be ...
18
Lifestyle impact on human sperm oxidative balance
... mitochondria of mature sperm cells (Chabory et al., 2010). By evaluating the presence of this antioxidant we observed a decrease of its levels during TP2, but also an increase during TP3, when comparing ...
111
Lifestyle impact on human sperm function
... of cells that can produce RS: mature and immature spermatozoa, cells at different stages of spermatogenesis, leukocytes, Sertoli and epithelial ...than sperm cells, which is an important ...
170
Molecular Markers in Sperm Analysis
... Live sperm cells are suspended to incubate into a solution with the selected ...probe. Cells may be ana‐ lysed by flow cytometry, by microplate-based analysis or by epifluorescence microscopy, using ...
24
I-2L, a novel putative PP1 inhibitor in human sperm
... human sperm cells, subcellular localization studies were carried ...germ cells, sloughed-off epithelial cells from the seminiferous tubules, spermatophages, cytoplasmic droplets and ...
87
Effects of the cryopreservation process on dog sperm integrity
... the sperm population that already displayed PS translocation in fresh semen was not affected by cooling or cryopreservation, as previously shown in both dogs and horses and in the present ...of sperm ...
10
Ovarian fluid mediates the temporal decline in sperm viability in a fish with sperm storage.
... the sperm samples; [22]) and 60% NaCl solution containing ovarian fluid (hereafter ‘OF- present’) while the second contained 40% of 150 mM KCl and 60% NaCl solution (hereafter ...activate sperm in guppies ...
5
Genome-wide association study for sperm motility in pigs
... of sperm cells with a straightforward movement and is one of the most widely used tests in order to evaluate boar semen ...and sperm motility in two different pig lines, through a Genome Wide ...
46
mTOR signaling pathway regulates sperm quality in older men
... Although there is a consensus that mTOR signaling plays a key role in mammalian aging, the mechanism through which this occurs is still unclear [ 20 , 23 , 24 ]. While some studies suggested that mTORC1 substrate ...
13
Comparison of canine sperm quality under different temperature storage
... on sperm cells by using two different ...3). Sperm characteristics were assessed by the convention methods, CASA and hypoosmotic test (HOST) for motility and movement parameters, velocity fractions, ...
72
Explaining infertility: a Sperm DNA Fragmentation review
... somatic cells, where deoxyribonucleic acid (DNA) is complexed with histones into organizational units called nucleosomes, the DNA in sperm cells is disassembled from the nucleosomal structure (Aitken ...
85
Cryopreservation of mutton snapper (Lutjanus analis) sperm
... fish sperm because of its low toxicity and its protection of sperm during cooling due to its capacity for reducing ice formation by lowering the freezing point of intracellular fluid (Peleteiro et ...
9
Effect of refrigeration systems upon frozen bull sperm viability assessed by computer-assisted sperm analysis and fluorescent probes
... Computer-Assisted Sperm Analysis (CASA) provides accurate information of several sperm movement parameters with more precise fertility estimation if compared to the parameters that are assessed by routine ...
8
Modulation of sperm motility using cell-penetrating peptides
... In the past decades, PPIs have emerged as promising drug targets. Several approaches were used to modulate these interactions, one of them involves the use of CPPs as intracellular delivery vectors. This short peptide ...
76
Semen Displacement as a Sperm Competition Strategy in Humans
... Semen displacement as a means of competing with sperm from rival males is not an uncommon strategy in animals. The males of some species possess penile barbs, hooks, combs, or a textured glans to remove copulatory ...
12
Selection criteria of Zebrafish male donors for sperm cryopreservation
... Zebrafish sperm motility (PC1) after different sperm stripping ...between sperm collections. After the first sampling sperm was collected after 2, 7 and 14 days of rest between ...
28
Unmanned localization of sperm whales in realistic scenarios
... Recent studies have succeeded in sperm whale tracing by processing their vocalization emissions. In [3] a system capable to perform 3D tracking of a sperm whale in a group was presented. It was based on ...
6
Rogue sperm indicate sexually antagonistic coevolution in nematodes.
... male sperm often physically displace other sperm from the two spermathecae, as expected from previous observations of crosses between ...Second, sperm sometimes invade the ovary, where they induce ...
6
Is Cunnilingus-Assisted Orgasm a Male Sperm-Retention Strategy?
... the sperm of men with higher genetic quality (Sire Choice Hypothesis), to promote fertilization (for a critical review, see Levin, 2011), or female orgasm may be a non-functional byproduct of male orgasm (reviewed ...
10