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Cajas YN, Cañón-Beltrán K, de la Blanca MGM, Sánchez JM, Fernandez-Fuertes B, González EM, Rizos D. Role of reproductive fluids and extracellular vesicles in embryo–maternal interaction during early pregnancy in cattle. Reprod Fertil Dev 2021; 34:117-138. [PMID: 35231231 DOI: 10.1071/rd21275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The coordinated interaction between the developing embryo and the maternal reproductive tract is essential for the establishment and maintenance of pregnancy in mammals. An early cross-talk is established between the oviduct/uterus and the gametes and embryo. This dialogue will shape the microenvironment in which gamete transport, fertilisation, and early embryonic development occur. Due to the small size of the gametes and the early embryo relative to the volume of the oviductal and uterine lumina, collection of tissue and fluid adjacent to these cells is challenging in cattle. Thus, the combination of in vivo and in vitro models seems to be the most appropriate approach to better understand this fine dialogue. In this respect, the aim of this review is to summarise the recent findings in relation to gamete/embryo-maternal interaction during the pre-elongation period.
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Affiliation(s)
- Yulia N Cajas
- Department of Animal Reproduction, National Center Institute for Agriculture and Food Research and Technology (CSIC-INIA), Ctra de la Coruña KM 5.9, 28040 Madrid, Spain; and Laboratorio de Biotecnología de la Reproducción Animal, Facultad de Ciencias Agropecuarias, Universidad de Cuenca (UC), EC010205 Cuenca, Ecuador
| | - Karina Cañón-Beltrán
- Department of Animal Reproduction, National Center Institute for Agriculture and Food Research and Technology (CSIC-INIA), Ctra de la Coruña KM 5.9, 28040 Madrid, Spain; and Facultad de Ciencias Agrarias y Ambientales, Programa de Medicina Veterinaria, Fundación Universitaria Juan de Castellanos (JdC), 150001 Tunja, Colombia
| | - María Gemma Millán de la Blanca
- Department of Animal Reproduction, National Center Institute for Agriculture and Food Research and Technology (CSIC-INIA), Ctra de la Coruña KM 5.9, 28040 Madrid, Spain
| | - José M Sánchez
- Department of Animal Reproduction, National Center Institute for Agriculture and Food Research and Technology (CSIC-INIA), Ctra de la Coruña KM 5.9, 28040 Madrid, Spain
| | - Beatriz Fernandez-Fuertes
- Department of Animal Reproduction, National Center Institute for Agriculture and Food Research and Technology (CSIC-INIA), Ctra de la Coruña KM 5.9, 28040 Madrid, Spain
| | - Encina M González
- Department of Anatomy and Embryology, Veterinary Faculty, Complutense University of Madrid (UCM), 28040 Madrid, Spain
| | - Dimitrios Rizos
- Department of Animal Reproduction, National Center Institute for Agriculture and Food Research and Technology (CSIC-INIA), Ctra de la Coruña KM 5.9, 28040 Madrid, Spain
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