Valéria da Silva Guimarães

Grape Residue Extract Improves Mitochondrial Function and Promotes Sheep Oocyte Meiotic Resumption from In vitro-Grown Secondary Follicles

Istefani Moreira Mota, Valéria da Silva Guimarães, Allan Felipe Santana Nunes, Kíscyla Oliveira de Andrade et autres

Abstract Oxidative stress resulting from the inherent conditions of in vitro culture can compromise oocyte quality. In this regard, there is a growing interest in the use of natural products to prevent oxidative damage and to promote in vitro follicular development. This …

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Visfatin improves survival and promotes the activation of primordial follicles in cultured sheep ovaries

Joisyleide Gonçalves Costa Pinto, Ricássio de Sousa Barberino, Valéria da Silva Guimarães, Joãozito Liandro de Oliveira Júnior et autres

Abstract Visfatin is an adipokine involved in the regulation of female reproduction. However, there are no studies on the effects of visfatin on the in vitro culture of ovarian tissue in any species. Therefore, the aims of this study were to analyze …

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Efeito da rutina sobre a maturação in vitro de oócitos de ovelhas obtidos de folículos pré-antrais cultivados in vitro

Maria Lilian Gomes Loiola Torres, Kíscyla Oliveira de Andrade, Regina Lúcia dos Santos Silva, Alane Pains Oliveira do Monte et autres

Os objetivos deste estudo foram verificar o efeito da rutina sobre a maturação in vitro (MIV) de oócitos provenientes de folículos secundários de ovelhas cultivados in vitro e analisar o possível envolvimento da via mTOR na MIV, sob influência da rutina. Os …

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Effect of the acidified extract of Moringa oleifera leaves as a supplement in the in vitro culture medium of sheep preantral follicles

Valéria da Silva Guimarães, Regina Lúcia dos Santos Silva, Ricássio de Sousa Barberino, Istefani Moreira Mota et autres

This study was conducted to evaluate the effects of the acidified extract of M. oleifera leaves as a supplement into the base medium for in vitro culture of sheep isolated secondary follicles. Follicles were isolated and cultured for 12 days in α-MEM+(supplemented …

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Involvement of PTEN and FOXO3a Proteins in the Protective Activity of Protocatechuic Acid Against Cisplatin-Induced Ovarian Toxicity in Mice

Bruna Bortoloni Gouveia, Ricássio de Sousa Barberino, Regina Lúcia dos Santos Silva, T.L.B.G. Lins et autres

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