Results 291 to 300 of about 415,920 (397)

Gap junctions between the oocyte and companion follicle cells in the mammalian ovary.

, 1976
Elizabeth C. Anderson, David F. Albertini   +1 more
openalex   +1 more source

Bidirectional communication between oocytes and ovarian follicular somatic cells is required for meiotic arrest of mammalian oocytes

Proceedings of the National Academy of Sciences of the United States of America, 2013
K. Wigglesworth, KyungBon Lee, M. O'Brien, Jia Peng, M. Matzuk, J. Eppig   +5 more
semanticscholar   +1 more source

Consequences for Australian Recipients of Cross Border Oocyte Donation in South Africa: Double Embryo Transfer and Donor Anonymity

Australian and New Zealand Journal of Obstetrics and Gynaecology, EarlyView.
ABSTRACT Background Due to the shortage of oocyte donors in Australia, Australian women increasingly travel overseas for oocyte donation. South Africa is a recognised ‘repro‐hub’ due to the accessibility of relatively affordable, high‐quality assisted reproductive technology services and the availability of donors.
Cal Volks, Karin Hammarberg, Andrea Whittaker   +2 more
wiley   +1 more source

Astaxanthin prevents postovulatory oocyte aging by targeting TNFR2 and inhibiting the TNF signaling pathway. [PDF]

BMC Biol
Wen X, Han Z, Yang Q, Shi KS, Sun D, Zhang XJ, Liang CG.   +6 more
europepmc   +1 more source

Deep learning classification method for boar sperm morphology analysis

Andrology, EarlyView.
Abstract Background Boar semen quality emphasizes three major criteria: sperm concentration, motility, and morphology. Methods to analyze concentration and motility quickly and objectively readily exist, but few exist for analyzing morphology outside of subjective manual counting.
Alexandra Keller, McKenna Maus, Emma Keller, Karl Kerns   +3 more
wiley   +1 more source

Annual gonadal cycle of the invasive catfish brown bullhead Ameiurus nebulosus from an oxbow lake of vistula river, Poland. [PDF]

Sci Rep
Kirczuk L, Dziewulska K, Czerniejewski P, Brysiewicz A, Rechulicz J, Ligięza J.   +5 more
europepmc   +1 more source

Ascorbic acid 2‐glucoside improves survival, quality, and fertility of frozen‐thawed C57Bl/6J and C57Bl/6N mouse spermatozoa

Andrology, EarlyView.
Abstract Background Ascorbic acid 2‐glucoside (AA2G) is a stabilized form of ascorbic acid and a potent antioxidant. Ascorbic acid is present in the testes and epididymis and helps maintain the physiological integrity of reproductive organs. Its properties have been utilized to protect spermatozoa of different species from oxidative stress.
Marcello Raspa, Renata Paoletti, Ferdinando Scavizzi   +2 more
wiley   +1 more source

Effect of Pre-IVM Duration with cAMP Modulators on the Production of Cloned Equine Embryos and Foals. [PDF]

Animals (Basel)
Cortez JV, Hardwicke K, Méndez-Calderón CE, Grupen CG.   +3 more
europepmc   +1 more source

Benchmarks defining high‐quality sperm in the common marmoset (Callithrix jacchus)

Andrology, EarlyView.
Abstract Background Common marmosets (Callithrix jacchus) are increasingly recognized as valuable nonhuman primates (NHPs) for biomedical research due to their small size and short reproductive cycle and lifespan relative to other NHP species. Maximizing the utility of captive research marmosets, including genetically manipulated animals, will require ...
Niloofar Sadeghi, Aaryn Mustoe, Corinna N. Ross, John R. McCarrey, Brian P. Hermann   +4 more
wiley   +1 more source

The Pre-Catching Sperm Technique Increases the Efficiency of the Intracytoplasmic Sperm Injection Method by Improving Fertilization and Blastocyst Formation Rates. [PDF]

J Clin Med
Haering C, Manvelyan E, Coyne K, Hyams LA, Hamrick J, Findley J, Weinerman R, Flyckt R, Kim ST.   +8 more
europepmc   +1 more source