Results 141 to 150 of about 83,614 (291)

The Oxytocin Receptor in Spermatozoa May Originate From Both Spermatogenesis and Epididymal Maturation, and Regulates Capacitation

Andrology, EarlyView.
Abstract Background The oxytocin receptor (OR) is a G‐protein‐coupled receptor recently identified in human spermatozoa, whose origin and role in sperm physiology remain unknown. Objectives In this study, using the pig as a model, we examine the presence of the OR in ejaculated spermatozoa through immunofluorescence and immunoblotting, and investigate ...
Jesús Martínez‐Hernández, Ferran Garriga, Adeel Ahmad, Lorena Padilla, Carolina Maside, Sergi Bonet, Isabel Barranco, Jordi Roca, Luis Miguel Pastor, Marc Yeste   +9 more
wiley   +1 more source

Métodos de separação de espermatozóides para escolha do sexo dos animais domésticos

Boletim de Indústria Animal, 2013
A separação dos espermatozóides portadores do complemento cromossômico sexual masculino (Y) e do feminino (X) constitui uma alternativa extremamente interessante para a indústria de produção animal devido à possibilidade de ganho econômico e gerencial ...
Guillermo Pablo Almeida, Rafael Herrera Alvarez   +1 more
doaj  

Efeito da suplementação de selenometionina e vitamina C sobre as características quantitativas e qualitativas do sêmen de coelho = Effect of selenomethionine and vitamin C supplementation on quantitative and qualitative characteristics of rabbit semen

Acta Scientiarum: Animal Sciences, 2006
Foram avaliadas as características quantitativas e qualitativas do sêmen de coelhos alimentados com rações contendo diferentes níveis de selenometionina e vitamina C (VC).
Cristiane Arieta Alvarez, Gentil Vanini de Moraes, Cláudio Scapinello, Elias Nunes Martins, Rejane Machado Cardozo, Marcela Mataveli, Rafael Seki Kioshima   +6 more
doaj  

Advanced Paternal Age Impacts Common Loci in the Sperm and Placenta DNA Methylomes

Andrology, EarlyView.
ABSTRACT Background Epidemiological studies have reported an association between advanced paternal age at conception and an increased risk of neurodevelopmental disorders in offspring, such as autism spectrum disorder. Evidence suggests that DNA methylation alterations in spermatozoa of older men may be transmitted to the feto‐placental unit and ...
Julia Barnwell, Sophia Rahimi, Sherri Lee Jones, Donovan Chan, Josée Martel, Sara Abdessamie, Catherine M. Herba, Jean R. Séguin, William D. Fraser, Celia M. T. Greenwood, Tuong‐Vi Nguyen, Tina C. Montreuil, Jacquetta Trasler   +12 more
wiley   +1 more source

What Moves Men to Change? A Mixed‐Methods Study on Facilitators and Barriers of Lifestyle Changes in Men Seeking Fertility Care

Andrology, EarlyView.
ABSTRACT Background An unhealthy lifestyle negatively affects male fertility. Despite this, men that are part of an infertile couple often fail to improve their lifestyle and evidence on influencing factors is limited. Objectives To identify facilitators and barriers involved in lifestyle changes of men seeking fertility care and in lifestyle ...
Wiep R. de Ligny, Kathrin Fleischer, Hilde Grens, Didi D. M. Braat, Inger L. Abma, Jan Peter de Bruin   +5 more
wiley   +1 more source

DIFERENTES PROTOCOLOS DE CONGELAÇÃO DE SÊMEN CANINO PARA MELHORIA DE SUA CINÉTICA E VIABILIDADE

, 2019
Renata Patrícia Rigoto, Carlos Renato de Freitas Guaitolini, André Maciel Crespilho, Camila de Paula Freitas‐Dell’Aqua, José Antonio Dell apos Aqua, R. R. D. Maziero   +5 more
openalex   +2 more sources

Recommendations for Human Sperm Morphology Assessment in 2025: An Expert Review From the French BLEFCO Group

Andrology, EarlyView.
ABSTRACT Background Numerous publications have questioned the lack of analytical reliability and clinical relevance of sperm morphology assessment for infertility workup and before use of assisted reproductive techniques (ART). There is a huge variability in the performance and interpretation of this test.
Nicolas Gatimel, Anne‐Laure Barbotin, Lionel Mery, Damien Beauvillard, Marion Bendayan, Angèle Boursier, Thomas Boueilh, Bruno Pereira, Jérémy Chammas, Jean‐Claude Jacquet, Rachel Levy, Jérôme Pfeffer, Hanae Pons‐Rejraji, Pierre Sanguinet, Florence Brugnon   +14 more
wiley   +1 more source

METIL-FORMAMIDA NA CRIOPRESERVAÇÃO DE SÊMEN OVINO

, 2013
Carlos Pereira Das Graças, Alexandre In Piao Gomes Lim, Andrei Antonioni Guedes Fidelis, Júlio Roquete Cardoso, Hélio Blume, Rafael Gianella Mondadori   +5 more
openalex   +2 more sources

CRISPR/Cas9‐mediated Genome‐editing Reveals 10 Testis‐enriched Genes and One Non‐testis‐enriched Gene are Dispensable for Male Fecundity in Mice

Andrology, EarlyView.
ABSTRACT Background More than 1000 genes have been identified as predominantly expressed in the human testis. Advances in gene editing technologies have enabled the rapid and efficient generation of genetically engineered mice. This approach facilitates the screening of genes essential for spermatogenesis by analyzing knockout mouse models.
Yumiao Qiu, Keisuke Shimada, Masahito Ikawa   +2 more
wiley   +1 more source

Preliminary study of pregnancy rates and litter sizes following artificial insemination of boar spermatozoa prepared by colloid centrifugation and hypothermic storage. [PDF]

Sci Rep
Jochems R, Kristiansen CO, Kommisrud E, Morrell JM.   +3 more
europepmc   +1 more source