Results 81 to 90 of about 370,507 (192)

CCDC28A deficiency causes head-tail coupling defects and immotility in murine spermatozoa

Scientific Reports
Male infertility presents a substantial challenge in reproductive medicine, often attributed to impaired sperm motility. The present study investigates the role of CCDC28A, a protein expressed specifically in male germ cells, whose paralog CCDC28B has ...
Nena Stojanovic, Rosario Ortiz Hernández, Nayeli Torres Ramírez, Olga Margarita Echeverría Martínez, Abrahan Hernández Hernández, Hiroki Shibuya   +5 more
doaj   +1 more source

Removal of sperm tail using trypsin and pre-activation of oocyte facilitates intracytoplasmic sperm injection in mice and rats. [PDF]

J Reprod Dev, 2023
Torikai K, Shimizu K, Nagatomo H, Kasai M, Kato-Itoh M, Kamada Y, Shibasaki I, Jeon H, Kikuchi R, Wakayama S, Suchy F, Nakauchi H, Wakayama T, Mizutani E.   +13 more
europepmc   +1 more source

Morphological and morphometric sperm analysis of dwarf sperm whale (Kogia sima)

Acta Scientiarum: Biological Sciences
Nowadays, an increase in the number of marine species at risk of extinction has been observed. Therefore, studies on the reproductive characteristics of these animals are essential.
Giovana Alcantara Garcia, Daniel de Souza Ramos Angrimani, Jociery Einhardt Vergara Parente, Juliana Plácido Guimarães   +3 more
doaj   +1 more source

Profiling of Transcriptome-Wide N6-Methyladenosine (m6A) Modifications and Identifying m6A Associated Regulation in Sperm Tail Formation in Anopheles sinensis. [PDF]

Int J Mol Sci, 2022
Liu C, Cao J, Zhang H, Wu J, Yin J.
europepmc   +1 more source

Cryopreservation of Pike Perch Sperm in Hatchery Conditions [PDF]

, 2008
Experiments were carried out on pike perch (Sander lucioperca L.) to find a method for stripping sperm without contamination by urine, to determine sperm concentration, and to fertilize large batches of eggs with cryopreserved sperm.
Urbányi, Béla, Horváth, László, Horváth, Ákos, Bokor, Zoltán   +3 more
core   +1 more source

Protective Effect of L-Carnitine on the Sperm Parameters of Adult Mice Treated with Ciprofloxacin

Journal of Ardabil University of Medical Sciences, 2018
Background & objectives: The present study examined the gonadotoxic effects of ciprofloxacin antibiotics and protective effects of L-carnitine. Methods: In this study, 20 NMRI mice were divided into four groups: control, ciprofloxacin, L-carnitine, L ...
Mina Kiani, Paria Parto
doaj  

Discriminant analysis of post-thaw sperm cryotolerance among three chicken breeds in a hot, humid tropical environment

Ovozoa: Journal of Animal Reproduction
Sperm cryopreservation is a practical reproductive technique, with variations in post-thaw sperm quality observed among different breeds. Discriminant functions can be used to distinguish breed-specific responses to cryotolerance.
Ojo Temidayo Stephen, Oke Oyegunle Emmanuel, Logunleko Mariam Opeyemi, Adekunle Ezekiel Oluwafemi, Daramola James Olamitibo, Wheto Mathew, Durosaro Samuel Olutunde, Oyewusi Joshua Adeoye, Ndubuisi-Ogbonma Lois Chidina   +8 more
doaj   +1 more source

Looking ahead in extension work in Otter Tail County

, 1958
75 pages; includes charts, illustrations, maps and photographThis archival publication may not reflect current scientific knowledge or recommendations.
Long Range Planning Committees, Otter Tail County Extension Committee   +1 more
core  

Numerical chromosome abnormalities are associated with sperm tail swelling patterns

, 2018
Objective: To assess whether the differential sperm tail swelling patterns observed following hypo-osmotic shock are useful in discriminating normal sperm from aneuploid sperm. Design: Prospective study. Setting: University research setting. Intervention(
김영주
core   +1 more source

Relationship between the Length of Sperm Tail Mitochondrial Sheath and Fertility Traits in Boars Used for Artificial Insemination. [PDF]

Antioxidants (Basel), 2020
Kerns K, Jankovitz J, Robinson J, Minton A, Kuster C, Sutovsky P.   +5 more
europepmc   +1 more source