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Os processos de ovulação e reinício da meiose oocitária são mediados pela interação entre angiotensina ii, progesterona e prostaglandinas
(Universidade Federal de Santa Maria, 2011-02-28)
Angiotensin II (AngII), progesterone (P4) and prostaglandins (PGs) are essential for ovulation
of a fertile oocyte. This study sought to understand how these factors are linked together during the ovulatory process. To ...
Expressão de receptores de angiotensina II no desenvolvimento folicular e participação na regulação da maturação de oócitos bovinos
(Universidade Federal de Santa Maria, 2004-08-31)
This study was designed to investigate the role played by AngII receptors (AT1 and AT2) in follicle development and maturation of bovine oocytes. Receptor expression was assessed by the RT-PCR technique using preantral ...
Influência da atmosfera gasosa e da fonte protéica sobre o desenvolvimento embrionário in vitro e taxa de prenhez em bovinos
(Universidade Federal de Santa Maria, 2006-05-18)
The embryonic development and pregnancy rates are influenced by
variations in embryo in vitro production (IVP) systems and protocols for bovine
embryos, such as gaseous atmosphere, culture media and the protein supply
adopted ...
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 ...
Expressão de anexina II em oócitos e no desenvolvimento embrionário bovino
(Universidade Federal de Santa Maria, 2004-08-31)
The present study as conducted to examine semiquantitative gene expression of annexin II (ANEII) during all follicular phases of folliculogenesis in bovine, in preantral follicles and oocytes of antral follicles too in ...
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 ...
Métodos de controle anti-helmíntico na pecuária de corte – impactos econômicos e consequências
(Universidade Federal de Santa Maria, 2019-03-08)
Brazilian beef cattle are constantly evolving and has reached levels that have made it one of the main economic sectors of the country. Infections by gastrointestinal nematodes constitute an important obstacle to the ...
Patogênese e terapia experimental da infecção pelo alfaherpesvírus bovino 2
(Universidade Federal de Santa Maria, 2020-08-25)
Bovine alphaherpesvirus 2 (BoHV-2) - the agent of bovine herpetic mamillitis (BHM) – is related to Human alphaherpesviruses 1 and 2 (HHV-1, HHV-2) and has been proposed as a model for vaccine and drug testing. In addition, ...
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 ...
Construção e caracterização de recombinante do herpesvírus bovino tipo 1 com deleção da glicoproteína E para uso em vacina
(Universidade Federal de Santa Maria, 2015-02-27)
Vaccines with antigenic markers also known as differential vaccines have been largely used for control and prevention of bovine herpesvirus 1 (BoHV-1) infection. With this purpose, a Brazilian BoHV-1 isolate (SV56/90) ...