Made available in DSpace on 2021-06-25T10:33:34Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-09-02; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); In many cell types, epigenetic changes are partially regulated by the availability of metabolites involved in the activity of chromatin-modifying enzymes. Even so, the asso...
Made available in DSpace on 2021-06-25T12:36:43Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-09-24; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Previous studies have discussed the importance of an optimal range of metabolic activity during preimplantation development. To avoid factors than can trigger an undesirabl...
Made available in DSpace on 2019-10-06T16:02:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-01; Follicular fluid composition and the transcription pattern of granulosa cells were analysed to better comprehend associations between embryo development and morphokinetics. Bovine follicles were punctured and their respective follicular fluid and granulosa cells were collected. Cumulus-oocyte complexes ...
Made available in DSpace on 2018-12-11T17:18:17Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-01-01; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); High oxygen levels during in vitro culture (IVC) can induce oxidative stress through accumulation of r...
Made available in DSpace on 2018-12-11T17:17:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-01-08; Background: The timing of the first cell divisions may predict the developmental potential of an embryo, including its ability to establish pregnancy. Besides differences related to metabolism, stress, and survival, embryos with different speeds of development present distinct patterns of gene expressio...
Estabeleceu-se um protocolo novo e eficaz de cultivo individual de embriões bovinos sem o uso de cocultivo e sem compartilhamento de meio visando à análise do metabolismo individual do embrião. Para isso, embriões foram produzidos in vitro por protocolos convencionais em três diferentes tipos de meio: KSOM, SOFaa e KSOM seguido por SOFaa no dia 2. Os zigotos presumíveis foram divididos em seis grupos: controles...
The expression of genes encoding the receptors for estrogen (ERαmRNA) and oxytocin (OTRmRNA) was studied in the corpus luteum during pregnancy and parturition in dogs. Real-time PCR was performed to quantify the levels of ERαmRNA and OTRmRNA in the corpus luteum of bitches during Early (up to 20 days of gestation), Mid (20 to 40 days) and Late Pregnancy (40 to 60 days), and Parturition (first stage of labor). T...
Apesar da manipulação genética de animais domésticos ser de grande interesse para a produção animal e para a indústria farmacêutica, a sua eficiência ainda é insatisfatória. A injeção pronuclear, a técnica mais utilizada para tal proposito, principalmente em camundongos, ainda apresenta limitações para esta espécie. Algumas alternativas têm sido desenvolvidas como o uso de espermatozoides como vetores para tran...