Follicular Fluid
Mostrando 1-12 de 32 artigos, teses e dissertações.
-
1. Intrafollicular barriers and cellular interactions during ovarian follicle development
Abstract Follicles are composed of different interdependent cell types including oocytes, cumulus, granulosa, and theca cells. Follicular cells and oocytes exchange signaling molecules from the beginning of the development of the primordial follicles until the moment of ovulation. The follicular structure transforms during folliculogenesis; barriers form bet
Anim. Reprod.. Publicado em: 28/11/2019
-
2. Reproductive physiology of the heat-stressed dairy cow: implications for fertility and assisted reproduction
Abstract Heat stress causes a large decline in pregnancy success per insemination during warm times of the year. Improvements in fertility are possible by exploiting knowledge about how heat stress affects the reproductive process. The oocyte can be damaged by heat stress at the earliest stages of folliculogenesis and remains sensitive to heat stress in the
Anim. Reprod.. Publicado em: 28/11/2019
-
3. Effect of recombinant bovine somatotropin (rbST) treatment on follicular population and development in non-lactating dairy cows
Abstract The aim of this study was to evaluate the long-term effects of recombinant bovine somatotropin (rbST) on follicle population and ovulatory follicle development in non-lactating dairy cows. Twenty-one Jersey cows were allocated in rbST (n=11) or control (n=10) groups. On day -60, cows in rbST group received 500 mg of somatotropin (s.c. Lactotropin®,
Anim. Reprod.. Publicado em: 25/11/2019
-
4. Effect of follicular fluid supplementation during in vitro maturation on total cell number in bovine blastocysts produced in vitro
This study evaluated the influence of follicular fluid (FF) added to the maturation medium on the quality of bovine embryos produced in vitro. In the first experiment, oocytes were matured in media containing five different FF concentrations with different maturation times and classified according to meiotic progression and migration of cortical granules. In
R. Bras. Zootec.. Publicado em: 2014-03
-
5. INFLUÊNCIA DA INTERAÇÃO FOLICULAR, DO FLUIDO FOLICULAR E DO FATOR DE CRESCIMENTO SEMELHANTE À INSULINA II (IGF-II) NO DESENVOLVIMENTO IN VITRO DE FOLÍCULOS PRÉ-ANTRAIS ISOLADOS CAPRINOS / INFLUENCE OF INTERACTION FOLLICULAR, FOLLICLE FLUID AND GROWTH FACTOR LIKE INSULIN II (IGF-II) IN VITRO DEVELOPMENT OF ISOLATED PREANTRAL FOLLICLES GOATS
A presente tese foi realizada em três fases. A fase I teve por objetivo avaliar a interação folicular pré-antral quando estes eram cultivados com 1 ou 3 folículos/gota na presença ou ausência do hormônio folículo estimulante recombinante (rFSH 1000ng/ml) ou ainda, co-cultivados com folículos antrais caprinos. Na fase II, foi verificada a influênci
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 11/05/2011
-
6. EIXO ECA2/ANG-(1-7)/MAS E SUA REGULAÇÃO NO PROCESSO DE OVULAÇÃO / ECA2/ANG-(1-7)/MAS AXIS AND ITS REGULATION DURING THE PROCESS OF OVULATION
The Renin-Angiotensin System (RAS) has been associated with various reproductive functions, including the ovulatory cascade. Unlike angiotensin II (AngII), the role of angiotensin-(1-7) [Ang-(1-7)] has not been characterized in the ovary of mono-ovulatory species. The objective of this study was to determine the Ang-(1-7) concentration in follicular fluid an
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2011
-
7. Hemoperitoneum in a Dog with Hepatic Splenosis
Background: Ectopic splenic tissue results from the autotransplantation and seeding of splenic tissue, often secondary to splenic trauma or splenectomy. Splenic implantations occur mostly as nodules within the peritoneal cavity and constitute an incidental finding at necropsy, surgery, or imaging investigations. This report addresses a case of hemoperitoneum
Publicado em: 2011
-
8. Medidas corporales y concentración sérica y folicular de lípidos y glucosa en vacas Brahman fértiles y subfértiles
The objective of this study was to evaluate differences in body size among Brahman cows, grouped according to their fertility, to establish differences in concentrations of cholesterol, lipoproteins, and glucose, in serum and follicular fluid, and to develop a model to predict subfertility in Brahman cows using body measurements as predictors. Registered Bra
Pesquisa Agropecuária Brasileira. Publicado em: 2009-09
-
9. Níveis de antioxidantes enzimáticos e produtos da peroxidação lipídica em líquido folicular de mulheres submetidas à estimulação ovariana controlada / Antioxidants enzymes and lipid peroxidation levels in follicular fluid of women submitted to controlled ovarian stimulation
Verificar a relacao entre as concentracoes de substancias reativas ao acido tiobarbiturico, a atividade das enzimas glutationa peroxidase e catalase com a ocorrencia de gravidez, com o estimulo hormonal administrado e com a presenca ou nao de um fator de infertilidade feminino. Metodo: Foi realizado um estudo prospectivo caso controle com o liquido folicular
Publicado em: 2009
-
10. Effect of oxygen tension and media on in vitro oocyte maturation and its influence in the porcine embryonic development / Efeito da tensão de oxigênio e do meio na maturação oocitária in vitro e sua influência no desenvolvimento embrionário em suínos
O objetivo deste estudo foi avaliar a eficiência da baixa tensão de oxigênio (5% de CO2; 5% de O2 e 90% de N2) na maturação oocitária in vitro em meio quimicamente definido (0,1% de PVA) ou suplementado com 10 % de PFF. Foram avaliados a migração dos grânulos corticais, a quantificação e distribuição da proteína HSP70, a maturação nuclear, as
Publicado em: 2009
-
11. Effect of conditioned medium of mesenchymal stem cells on the in vitro maturation and subsequent development of mouse oocyte
Mesenchymal stem cells (MSCs) secrete a variety of cytokines and growth factors in addition to self-renewal and multiple forms of differentiation. Some of these secreted bioactive factors could improve meiotic maturation in vitro and subsequent embryo developmental potential. The aim of the present study was to determine whether in vitro maturation (IVM) of
Brazilian Journal of Medical and Biological Research. Publicado em: 31/10/2008
-
12. REGULAÇÃO DA EXPRESSÃO DO RECEPTOR AT2 E EFEITO DA ANGIOTENSINA II SOBRE A EXPRESSÃO DE GENES ENVOLVIDOS NO DESENVOLVIMENTO FOLICULAR E OVULAÇÃO EM CÉLULAS DA GRANULOSA DE BOVINOS / REGULATION OF AT2 RECEPTORS IN BOVINE GRANULOSA CELLS, AND EFFECTS OF ANGIOTENSIN II ON GENES INVOLVED IN FOLLICLE DEVELOPMENT AND OVULATION
The objective of this study was to investigate the factors controling the expression of angiotensin II (AngII) receptors and to determine the physiological role of AngII in granulosa cells. The AGTR2 receptor was localized in granulosa (and theca) cells from follicles of different sizes. Bovine ovaries were collected at a local abattoir and small follicles (
Publicado em: 2007