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Caracterização de um novo modelo de maturação de oócito in vitro e participação do mTOR na ovulação em bovinos
(Universidade Federal de Santa Maria, 2016-02-26)
In the first study, we characterized an in vitro culture system able to delaying meiosis resumption of bovine oocytes. Firstly, we demonstrated that the use of an EGFR inhibitor (AG1478; 5μM) in a culture system with ...
Citologia aspirativa por agulha fina como método diagnóstico precoce em enfermidades em medicina veterinária
(Universidade Federal de Santa Maria, 2016-04-04)
Fine-needle aspiration cytology is an easy, rapid, low cost, and minimally invasive
technique, consequently contributes to a faster diagnosis leading to a faster decision,
mainly to provide welfare and quality of life ...
Rotas de sinalização na divergência folicular e luteólise em bovinos
(Universidade Federal de Santa Maria, 2014-09-12)
It is well established that locally produced factors exert pivotal roles during dominant follicle selection, oocyte maturation, ovulation and luteolysis. However, the identification of these factors and pathways involved ...
Regulação epigenética no desenvolvimento embrionário inicial e reprogramação celular na clonagem por transferência nuclear
(Universidade Federal de Santa Maria, 2019-02-13)
Recent studies highlight the role of epigenetic changes during reproductive events, from the
formation of gametes to fertilization and early embryo development. In these processes, a dynamic
epigenetic regulation is ...
Peptídeos natriuréticos e angiotensina-(1-7) durante o processo de ovulação em bovinos
(Universidade Federal de Santa Maria, 2015-02-20)
Ovulation is controlled by a complex and dynamic interaction of factors, including endocrine and vasoactive mechanisms, cellular messengers and activating enzymes. It is well established that locally produced factors exert ...