Search Results - "José Ricardo de Figueiredo"
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Comparative analysis of the hormone production and gene expression profiles in ovine uterus tissue during oestrus cycle synchronized using medroxyprogesterone acetate plus eCG and prostaglandin analogue
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (01-11-2021)“…The combination of medroxyprogesterone acetate (MPA) and gonadotropin chorionic (eCG) has been widely used to synchronize oestrus cycle in sheep, but their…”
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Preservation of bovine preantral follicle viability and ultra-structure after cooling and freezing of ovarian tissue
Published in Animal reproduction science (01-11-2008)“…Bovine preantral follicles within ovarian fragments were exposed and cryopreserved in absence or presence of 1.5 M glycerol (GLY), ethylene glycol (EG),…”
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Evaluation of the morphology and development of preantral ovarian follicles in mice submitted to a chronic diet of dietary supplementation with Pereskia aculeata Miller leaves
Published in Animal reproduction (01-01-2024)“…This study aimed to investigate the effect of including mouse feed with different concentrations (5, 10, or 20%) of (PAM) leaves on the morphology and…”
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Effects of GDF-9 and FSH on mRNA expression for FSH-R, GDF-9 and BMPs in in vitro cultured goat preantral follicles
Published in Brazilian Archives of Biology and Technology (01-04-2014)“…The aim of the present study was to determine the role of GDF-9 and/or FSH on the growth and mRNA expression for FSH-R, GDF-9, and BMPs in goat secondary…”
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How origin of ovaries influences the vitrification outcome of bovine ovarian tissue: effects of side of ovaries and corpus luteum
Published in Veterinary research forum (01-12-2023)“…Although cryopreservation of ovarian tissue has advanced greatly, it remains a challenge, and protocols should be optimized to handle the heterogeneous nature…”
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The human follicle stimulating hormone (hFSH) keeps the normal ultrastructure of caprine preantral follicles cultured in vitro
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (01-01-2015)“…The aim of this study was to investigate the effects of human follicle stimulating hormone (hFSH) on the in vitro culture of caprine preantral follicles…”
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First isolation and characterization of caprine oviduct fluid extracellular vesicles
Published in Animal reproduction (2024)“…Oviduct fluid extracellular vesicles (oEV) are essential for periconceptional events. The presence of EV has already been identified in the oviduct fluid (OF)…”
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Vitrification of caprine secondary and early antral follicles as a perspective to preserve fertility function
Published in Reproductive biology (01-09-2020)“…The present study aimed to evaluate the structure, survival and development of isolated caprine (secondary-SEC and early antral-EANT) follicles, after…”
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Supplemented powdered coconut water (ACP-406 ® ) promotes growth of goat secondary follicles and oocyte meiotic resumption
Published in Animal reproduction (18-11-2019)“…The objective of this study was to test the efficiency of powdered coconut water (ACP-406 ) base-medium without or with the addition of supplements on culture…”
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Ultra-diluted Folliculinum 6 cH impairs ovine oocyte viability and maturation after in vitro culture
Published in Animal reproduction (01-01-2020)“…This study investigated the effect of on the oocyte meiosis resumption and viability rates, progesterone production and mitochondrial activity after maturation…”
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Powdered coconut water (ACP 406®) as an alternative base culture medium for in vitro culture of goat preantral follicles enclosed in ovarian tissue
Published in Animal reproduction (18-11-2019)“…This study evaluated a powdered coconut water solution (ACP 406®) as a base culture medium on the survival and development of goat preantral follicles. The…”
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Toxicity effect of Auxemma oncocalyx fraction and its active principle oncocalyxone A on in vitro culture of caprine secondary follicles and in vitro oocyte maturation
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (13-06-2017)“…Crude extract of the heartwood of Auxemma oncocalyx (A. oncocalyx) and its main component i.e., Oncocalyxone A (onco A), have elevated antioxidant and…”
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Ewe Ovarian Tissue Vitrification: A Model for the Study of Fertility Preservation in Women
Published in JBRA assisted reproduction (01-11-2015)“…Emergency in vitro fertilization followed by embryo vitrification is one feasible fertility preservation option for cancer patients. However, its clinical…”
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Approaches to improve in vitro survival, growth, and maturation of caprine oocytes: main results from LAMOFOPA-Brazil
Published in Animal reproduction (2024)“…This brief review delves into the topic of follicle culture for embryo production, with a particular emphasis on goat models. Specifically, we examine the main…”
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Stroma cell-derived factor 1 and connexins (37 and 43) are preserved after vitrification and in vitro culture of goat ovarian cortex
Published in Theriogenology (01-08-2018)“…This study aimed to evaluate the follicular morphology and development (follicular activation, cell proliferation, and hormone production), as well as the…”
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Impacts of different synthetic polymers on vitrification of ovarian tissue
Published in Cryobiology (01-06-2020)“…Type and concentration of cryoprotective agents (CPAs) are important factors which influence the likelihood of a successful ovarian tissue vitrification…”
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Bone Morphogenetic Protein-6 (BMP-6) induces atresia in goat primordial follicles cultured in vitro
Published in Pesquisa veterinária brasileira (01-09-2010)“…This study investigated the effects of bone morphogenetic protein 6 (BMP-6) on in vitro primordial follicle development in goats. Samples of goat ovarian…”
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In situ cultured preantral follicles is a useful model to evaluate the effect of anticancer drugs on caprine folliculogenesis
Published in Microscopy research and technique (01-08-2016)“…ABSTRACT Despite the increase in the incidence of cancer, the number of women who survive cancer treatment is growing. However, one of the principal results of…”
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Addition of synthetic polymer in the freezing solution of mesenchymal stem cells from equine adipose tissue as a future perspective for reducing of DMSO concentration
Published in Revista brasileira de medicina veterinária (2023)“…The regenerative therapies with stem cells (SC) has been increased by the cryopreservation, permitting cell storage for extended periods. However, the…”
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