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1.
Anim. Reprod. (Online) ; 16(3): 376-385, 2019. graf
Artigo em Inglês | VETINDEX | ID: biblio-1461447

Resumo

Establishment of pregnancy in mammals requires reciprocal molecular communication between the conceptus and endometrium that modifies the endometrial transcriptome and uterine luminal milieu to support pregnancy. Due to the small size of the early embryo and elongating conceptus relative to the volume of the uterine lumen, collection of endometrium adjacent to the developing conceptus is difficult following conventional uterine flushing methods in cattle. Use of endometrial explants in culture can overcome this challenge and reveal information about the dialogue between the developing embryo and the uterus. The aim of this short review is to summarize some of our recent findings in relation to embryo maternal interaction during bovine pregnancy establishment and to put them in the wider context of fertility in cattle.


Assuntos
Feminino , Animais , Gravidez , Bovinos , Bovinos/embriologia , Bovinos/fisiologia , Desenvolvimento Embrionário , Endométrio , Progesterona/análise
2.
Anim. Reprod. ; 16(3): 376-385, 2019. graf
Artigo em Inglês | VETINDEX | ID: vti-22376

Resumo

Establishment of pregnancy in mammals requires reciprocal molecular communication between the conceptus and endometrium that modifies the endometrial transcriptome and uterine luminal milieu to support pregnancy. Due to the small size of the early embryo and elongating conceptus relative to the volume of the uterine lumen, collection of endometrium adjacent to the developing conceptus is difficult following conventional uterine flushing methods in cattle. Use of endometrial explants in culture can overcome this challenge and reveal information about the dialogue between the developing embryo and the uterus. The aim of this short review is to summarize some of our recent findings in relation to embryo maternal interaction during bovine pregnancy establishment and to put them in the wider context of fertility in cattle.(AU)


Assuntos
Animais , Feminino , Gravidez , Bovinos , Desenvolvimento Embrionário , Progesterona/análise , Bovinos/embriologia , Bovinos/fisiologia , Endométrio
3.
Anim. Reprod. (Online) ; 15(supl. 1): 751-764, set. 2018. ilus
Artigo em Inglês | VETINDEX | ID: biblio-1461396

Resumo

The oviduct is a tubular organ comprising three distinct anatomical regions (the infundibulum, the ampulla and the isthmus) connecting the ovary and the uterus. Oviductal function is regulated by ovarian hormones, gametes, and embryo-derived factors, for optimally facilitating key reproductive events. A crosstalk is established between the oviduct and the gametes and embryo and this dialogue shapes the microenvironment in which gamete transport, fertilization, and early embryonic development occur. This review aims to address each participant in this conversation in a holistic manner by delineating several advances in the field within the greater context of understanding how oviduct-gamete and oviduct-embryo dialogue shape reproductive success and furthermore how this knowledge can be applied in vitro.


Assuntos
Animais , Bovinos/embriologia , Células Germinativas/crescimento & desenvolvimento , Embrião de Mamíferos , Tubas Uterinas/embriologia
4.
Anim. Reprod. ; 15(supl. 1): 751-764, set. 2018. ilus
Artigo em Inglês | VETINDEX | ID: vti-740155

Resumo

The oviduct is a tubular organ comprising three distinct anatomical regions (the infundibulum, the ampulla and the isthmus) connecting the ovary and the uterus. Oviductal function is regulated by ovarian hormones, gametes, and embryo-derived factors, for optimally facilitating key reproductive events. A crosstalk is established between the oviduct and the gametes and embryo and this dialogue shapes the microenvironment in which gamete transport, fertilization, and early embryonic development occur. This review aims to address each participant in this conversation in a holistic manner by delineating several advances in the field within the greater context of understanding how oviduct-gamete and oviduct-embryo dialogue shape reproductive success and furthermore how this knowledge can be applied in vitro.(AU)


Assuntos
Animais , Tubas Uterinas/embriologia , Células Germinativas/crescimento & desenvolvimento , Embrião de Mamíferos , Bovinos/embriologia
5.
Anim. Reprod. (Online) ; 14(3): 538-546, July.-Sept.2017. ilus
Artigo em Inglês | VETINDEX | ID: biblio-1461283

Resumo

Early pregnancy loss in cattle can be attributed to a myriad of sources. One key factor that can influence early pregnancy success or loss is the influence and interactions between the maternal environment and the developing embryo/conceptus. Recent advancesin high-throughput ‘omics' technologies coupled with improved bioinformatics capabilities represent a promising avenue for enhancing our understanding of fundamental developmental events– which would have direct agricultural, veterinary, and economic benefits. Thusly this review revolves around recent applications of advanced transcriptomic, proteomic, and metabolomic analyses within a bovine uterine secretomic and interactomic context, with an overriding aim to highlight the advantages of these emerging fields whilst identify ingareas for improvement, consideration, and further research and development.


Assuntos
Feminino , Animais , Gravidez , Bovinos , Biologia Computacional , Bovinos/embriologia , Desenvolvimento Embrionário , Desenvolvimento Tecnológico/análise , Proteômica
6.
Anim. Reprod. ; 14(3): 538-546, July.-Sept.2017. ilus
Artigo em Inglês | VETINDEX | ID: vti-721693

Resumo

Early pregnancy loss in cattle can be attributed to a myriad of sources. One key factor that can influence early pregnancy success or loss is the influence and interactions between the maternal environment and the developing embryo/conceptus. Recent advancesin high-throughput ‘omics' technologies coupled with improved bioinformatics capabilities represent a promising avenue for enhancing our understanding of fundamental developmental eventswhich would have direct agricultural, veterinary, and economic benefits. Thusly this review revolves around recent applications of advanced transcriptomic, proteomic, and metabolomic analyses within a bovine uterine secretomic and interactomic context, with an overriding aim to highlight the advantages of these emerging fields whilst identify ingareas for improvement, consideration, and further research and development.(AU)


Assuntos
Animais , Feminino , Gravidez , Bovinos , Bovinos/embriologia , Desenvolvimento Embrionário , Desenvolvimento Tecnológico/análise , Biologia Computacional , Proteômica
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