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34 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Morphometry of bovine blastocysts produced in vitro in culture media with antioxidants cysteamine or oily extract of Lippia origanoides
Articolo
Articolo
Morphometry of bovine blastocysts produced in vitro in culture media with antioxidants cysteamine or oily extract of Lippia origanoides
N.V. Sollecito et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2021 · ISSN 1678-4162
ABSTRACT This study aimed to evaluate the ultrastructural morphometry of bovine embryos produced in vitro grown at different concentrations of antioxidants. After in vitro maturation and fertilization, the presumptive zy...
LCC LCC:Animal cultureIdioma Inglés
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RNA-Seq study of in vivo-produced single male and female bovine blastocysts
Articolo
Articolo
RNA-Seq study of in vivo-produced single male and female bovine blastocysts
Baoshan Cui et al · Sociedade Brasileira de Zootecnia · 2023 · ISSN 1806-9290
ABSTRACT The objective of this study was to identify differentially expressed genes (DEG) between females and males in early bovine embryos. Superovulated cattle (n = 4) in the age span of 16–18 months were artificiall...
LCC LCC:Animal cultureIdioma Inglés
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Effect of follicular fluid supplementation during in vitro maturation on total cell number in bovine blastocysts produced in vitro
Articolo
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Effect of follicular fluid supplementation during in vitro maturation on total cell number in bovine blastocysts produced in vitro
Maria Helena Coelho Cruz et al · Sociedade Brasileira de Zootecnia · 2014 · ISSN 1806-9290
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 differ...
LCC LCC:Animal cultureIdioma Inglés
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Stepwise vitrification of in vitro produced buffalo Blastocysts
Articolo
Articolo
Stepwise vitrification of in vitro produced buffalo Blastocysts
Abd-Allah,S.M · Universidad de Córdoba · 2011
The purpose of this study was to evaluate the use of a stepwise vitrification as a method for cryopreservation of in vitro-produced (IVP) buffalo blastocysts and to compare the results with post-thaw survival rate of buf...
Idioma Inglés
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Embryonic Stem Cell Lines Derived from Human Blastocysts
Articolo
Articolo
Embryonic Stem Cell Lines Derived from Human Blastocysts
James A. Thomson; Joseph Itskovitz‐Eldor; Sander S. Shapiro; Michelle Waknitz; Jennifer J. Swiergiel; Vivienne S. Marshall; Jeffrey M. Jones · Science · 1998
Human blastocyst-derived, pluripotent cell lines are described that have normal karyotypes, express high levels of telomerase activity, and express cell surface markers that characterize primate embryonic stem cells but ...
Idioma Inglés
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Allergenic response induced by Pterobothrium crassicolle (Cestoda: Trypanorhyncha) extracts in murine model
Articolo
Articolo
Allergenic response induced by Pterobothrium crassicolle (Cestoda: Trypanorhyncha) extracts in murine model
Danuza Pinheiro Bastos Garcia de Mattos et al · Colégio Brasileiro de Parasitologia Veterinária · 2024 · ISSN 1984-2961
Abstract The aim of this study was to determine the allergenic activity of components present in crude extracts of Pterobothrium crassicolle plerocerci (CPE) and blastocysts (CBE) obtained from Micropogonias furnieri in ...
LCC LCC:Animal cultureIdioma Inglés
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Association of recombinant bovine somatotropin (rBST) with equine chorionic gonadotropin (eCG) on antral follicle count and oocyte production in Holstein and Tabapuã heifers
Articolo
Articolo
Association of recombinant bovine somatotropin (rBST) with equine chorionic gonadotropin (eCG) on antral follicle count and oocyte production in Holstein and Tabapuã heifers
Hévea de Morais et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to investigate whether the use of rbST and eCG prior to ultrasound-guided follicular aspiration (OPU) improves oocyte yield and quality in Tabapuã and Holstein heifers. The study was cond...
LCC LCC:Animal cultureIdioma Inglés
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Avaliação do Desenvolvimento de Embriões Bovinos Pós-Biópsia: um Modelo para Treinamento Evaluation of the Post-Biopsy Development of Bovine Embryos: Proposal of a Training Model
Articolo
Articolo
Avaliação do Desenvolvimento de Embriões Bovinos Pós-Biópsia: um Modelo para Treinamento Evaluation of the Post-Biopsy Development of Bovine Embryos: Proposal of a Training Model
Carlos Gilberto Almodin et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 1999 · ISSN 0100-7203
Objetivo: montar um protocolo animal para estudo e treinamento em biópsia embrionária. Métodos: ovários de vaca obtidos em abatedouro eram transportados ao laboratório onde os oócitos aspirados eram maturados. Post...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma Inglés
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Clinical correlation of apoptosis in human luteinized granulosa cells
Articolo
Articolo
Clinical correlation of apoptosis in human luteinized granulosa cells
Shengrong Du et al · BMC · 2026 · ISSN 1757-2215
Abstract Background Apoptosis is a continuous process throughout follicular development and plays a critical role in normal ovarian physiology. Although the key apoptotic molecule-encoding genes have been well characteri...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma Inglés
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DNA fragmentation, transgene expression and embryo development after intracytoplasmic injection of DNA-liposome complexes in IVF bovine zygotes
Articolo
Articolo
DNA fragmentation, transgene expression and embryo development after intracytoplasmic injection of DNA-liposome complexes in IVF bovine zygotes
Vichera, G. et al · Cambridge University Press · 2012 · ISSN 0967-1994
Summary This study was designed to evaluate the quality and viability of bovine embryos produced by in vitro fertilization (IVF), after intracytoplasmic injection of pCX-EGFP-liposome complexes or pBCKIP2.8-liposome comp...
Idioma Inglés
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Efeito de diferentes meios de cultivo no desenvolvimento e proporção do sexo de embriões bovinos produzidos in vitro Effect of different culture media on development and sex ratio of bovine embryos fertilized in vitro
Articolo
Articolo
Efeito de diferentes meios de cultivo no desenvolvimento e proporção do sexo de embriões bovinos produzidos in vitro Effect of different culture media on development and sex ratio of bovine embryos fertilized in vitro
S.G.T. Gilardi et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2004 · ISSN 0102-0935
Avaliou-se o efeito da suplementação de meios de cultivo sobre o desenvolvimento e proporção do sexo de embriões bovinos fertilizados in vitro. Complexos cumulus-oócitos obtidos de ovários de matadouro foram matur...
LCC LCC:Animal cultureIdioma Inglés
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Efeito do número da passagem e do gênero das células doadoras de núcleo no desenvolvimento de bovinos produzidos por transferência nuclear Effect of culture time and gender of nuclei donor cells on bovine development produced by nuclear transfer
Articolo
Articolo
Efeito do número da passagem e do gênero das células doadoras de núcleo no desenvolvimento de bovinos produzidos por transferência nuclear Effect of culture time and gender of nuclei donor cells on bovine development produced by nuclear transfer
Giovana Krempel Fonseca Merighe et al · Sociedade Brasileira de Zootecnia · 2010 · ISSN 1516-3598
Objetivou-se com este trabalho avaliar o efeito do número da passagem e do sexo das células doadoras de núcleo no desenvolvimento embrionário e fetal após transferência nuclear. Para isso, oócitos bovinos foram ma...
LCC LCC:Animal cultureIdioma Inglés
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Efeito do transporte no desenvolvimento de embriões bovinos cultivados in vitro a fresco ou reaquecidos após vitrificação Effect of transportation on development of fresh or vitrified-warmed bovine embryos
Articolo
Articolo
Efeito do transporte no desenvolvimento de embriões bovinos cultivados in vitro a fresco ou reaquecidos após vitrificação Effect of transportation on development of fresh or vitrified-warmed bovine embryos
Alessandra de Almeida Ramos et al · Sociedade Brasileira de Zootecnia · 2006 · ISSN 1516-3598
Avaliou-se a viabilidade de embriões bovinos cultivados in vitro, a fresco ou reaquecidos após vitrificação, depois de transportados por 6 ou 12 horas. Oócitos obtidos de folículos de ovários coletados em matadour...
LCC LCC:Animal cultureIdioma Inglés
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Effect of early addition of bone morphogenetic protein 5 (BMP5) to embryo culture medium on in vitro development and expression of developmentally important genes in bovine preimplantation embryos
Articolo
Articolo
Effect of early addition of bone morphogenetic protein 5 (BMP5) to embryo culture medium on in vitro development and expression of developmentally important genes in bovine preimplantation embryos
Garcia, Elina Vanesa et al · Elsevier Science Inc · 2015 · ISSN 0093-691X
Previous studies have reported that bone morphogenetic protein 5 (BMP5) is differentially expressed in the isthmus of bovine oviducts and it is present in the oviductal fluid. However, the specific action of this factor ...
Idioma Inglés
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Effect of the Air Filtration System Replacement on Embryo Quality in the Assisted Reproduction Laboratory
Articolo
Articolo
Effect of the Air Filtration System Replacement on Embryo Quality in the Assisted Reproduction Laboratory
Karine Queiroz Poletto et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2018 · ISSN 0100-7203
Abstract Improving infrastructural conditions of the in vitro fertilization laboratory, such as the air quality, has profound positive effects on embryo culture. Poor environmental conditions reduce the rate of embryo fo...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma Inglés
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Effects of Hydrosalpinx on Endometrial Implantation Failures: Evaluating Salpingectomy in Women Undergoing in vitro fertilization
Articolo
Articolo
Effects of Hydrosalpinx on Endometrial Implantation Failures: Evaluating Salpingectomy in Women Undergoing in vitro fertilization
Antonio Palagiano et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2021 · ISSN 0100-7203
Abstract Hydrosalpinx is a disease characterized by the obstruction of the salpinx, with progressive accumulation in the shape of a fluid-filled sac at the distal part of the tuba uterina, and closed to the ovary. Women ...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma Inglés
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Embryotrophic effect of a short-term embryo coculture with bovine luteal cells
Articolo
Articolo
Embryotrophic effect of a short-term embryo coculture with bovine luteal cells
Maruri, Alejandro et al · Elsevier Science Inc · 2018 · ISSN 0093-691X
The coculture with somatic cells is an alternative to improve suboptimal in vitro culture (IVC) conditions and promote embryo development. Several cell types have been used for this purpose, but there is no information a...
Idioma Inglés
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First Baby Born in Brazil after Simultaneous Diagnosis through Non-Invasive and Conventional PGT-A
Articolo
Articolo
First Baby Born in Brazil after Simultaneous Diagnosis through Non-Invasive and Conventional PGT-A
Marcos Iuri Roos Kulmann et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2022 · ISSN 0100-7203
Abstract Non-invasive preimplantation genetic testing for aneuploidies (niPGT-A) aiming to assess cell-free embryonic DNA in spent culturemedia is promising, especially because it might overcome the diminished rates of i...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma Inglés
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Genetic analysis of biopsy-related droplets in patients undergoing PGT-A and its potential application
Articolo
Articolo
Genetic analysis of biopsy-related droplets in patients undergoing PGT-A and its potential application
Zhiqing Huang et al · Frontiers Media S.A · 2026 · ISSN 1664-2392
PurposePreimplantation genetic testing for aneuploidy (PGT-A) is essential for selecting embryos free from chromosomal abnormalities before transfer. However, challenges such as detection failures, mosaicism, and the lim...
LCC LCC:Diseases of the endocrine glands. Clinical endocrinologyIdioma Inglés
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Gobioides broussonnetii (Gobiidae): a new host forPterobothrium crassicolle (Trypanorhyncha) on Marajó Island, northern Brazil
Articolo
Articolo
Gobioides broussonnetii (Gobiidae): a new host forPterobothrium crassicolle (Trypanorhyncha) on Marajó Island, northern Brazil
Marcela Videira et al · Colégio Brasileiro de Parasitologia Veterinária · ISSN 1984-2961
In the present study, the cestoid Pterobothrium crassicolle Diesing, 1850 (Trypanorhyncha), was observed parasitizing specimens of the violet goby (Gobioides broussonnetii Lacepède, 1800) collected from the estuary of t...
LCC LCC:Animal cultureIdioma Inglés
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Larval cestodes infecting commercial fish of Alexandria coast along the Mediterranean Sea: morphology and phylogeny
Articolo
Articolo
Larval cestodes infecting commercial fish of Alexandria coast along the Mediterranean Sea: morphology and phylogeny
Kareem Morsy et al · Colégio Brasileiro de Parasitologia Veterinária · 2022 · ISSN 1984-2961
Abstract Members of the order Trypanorhyncha are cestode parasites that are frequently found infecting the muscles of several marine fish species, affecting fish health and resulting in consumers’ rejection. Seventy–...
LCC LCC:Animal cultureIdioma Inglés
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Nova técnica para contagem do número de células de blastocistos
Articolo
Articolo
Nova técnica para contagem do número de células de blastocistos
E.P. Costa et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2010 · ISSN 1678-4162
A simplified, fast, and innovative method was developed to count the total cell number in blastocysts. Murine blastocysts (N = 195) were used in this study. They were obtained after 10h culture of initial blastocysts, co...
LCC LCC:Animal cultureIdioma Inglés
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Phospholipid composition and resistance to vitrification of in vivo blastocyst of a Brazilian naturalized porcine breed
Articolo
Articolo
Phospholipid composition and resistance to vitrification of in vivo blastocyst of a Brazilian naturalized porcine breed
J.F.W. Sprícigo et al · Universidade Federal de Minas Gerais, Escola de Veterinária · ISSN 1678-4162
ABSTRACT Piau porcine blastocysts were submitted to MALDI-TOF to identify the main phospholipids (PL). After that, in vivo blastocysts (D6) were vitrified (n=52), non-vitrified were used as control (n=42). After warming,...
LCC LCC:Animal cultureIdioma Inglés
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Relative expression of mRNAs related to cavitation process in bovine embryos produced in vivo and in vitro Expressão relativa de mRNAs relacionados com o processo de cavitação em embriões bovinos produzidos in vivo e in vitro
Articolo
Articolo
Relative expression of mRNAs related to cavitation process in bovine embryos produced in vivo and in vitro Expressão relativa de mRNAs relacionados com o processo de cavitação em embriões bovinos produzidos in vivo e in vitro
Sabine Wohlres-Viana et al · Sociedade Brasileira de Zootecnia · 2011 · ISSN 1516-3598
The objectives of this work were to identify and to evaluate possible differences on gene expression of aquaporins and Na/K-ATPases transcripts between embryos in vivo and in vitro produced. For each group, 15 blastocyst...
LCC LCC:Animal cultureIdioma Inglés
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