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Lipid Metabolism in Bovine Oocytes and Early Embryos under In Vivo, In Vitro, and Stress Conditions

1
Laboratory of Reproduction Biotechnologies, Animal Science, State University of Mato Grosso do Sul, 79200-000 Aquidauana, Brazil
2
Leibniz Institute for Farm Animal Biology, Institute of Reproduction Biology, 18196 Dummerstorf, Germany
*
Authors to whom correspondence should be addressed.
Academic Editor: Dawit Tesfaye
Int. J. Mol. Sci. 2021, 22(7), 3421; https://doi.org/10.3390/ijms22073421
Received: 18 January 2021 / Revised: 21 March 2021 / Accepted: 24 March 2021 / Published: 26 March 2021
Lipids are a potential reservoir of energy for initial embryonic development before activation of the embryonic genome and are involved in plasma membrane biosynthesis. Excessive lipid droplet formation is detrimental to cryotolerance and is related to alterations in mitochondrial function, which likely affects lipid metabolism. Increased lipid accumulation in in vitro produced embryos is a consequence of the stress during in vitro embryonic development process. There are several open questions concerning embryo lipid metabolism and developmental potential. Oocyte maturation and embryo development in vivo and in vitro may vary if the donors are subjected to any type of stress before follicle puncture because crucial changes in oocyte/embryonic metabolism occur in response to stress. However, little is known about lipid metabolism under additional stress (such as heat stress). Therefore, in this review, we aimed to update the information regarding the energy metabolism of oocytes and early bovine embryos exhibiting developmental competence, focusing on lipid metabolic pathways observed under in vivo, in vitro, and stress conditions. View Full-Text
Keywords: fatty acids; follicular fluid; complex cumulus–oocyte; mitochondria; heat stress; metabolism; oocyte; blastocyst fatty acids; follicular fluid; complex cumulus–oocyte; mitochondria; heat stress; metabolism; oocyte; blastocyst
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MDPI and ACS Style

de Andrade Melo-Sterza, F.; Poehland, R. Lipid Metabolism in Bovine Oocytes and Early Embryos under In Vivo, In Vitro, and Stress Conditions. Int. J. Mol. Sci. 2021, 22, 3421. https://doi.org/10.3390/ijms22073421

AMA Style

de Andrade Melo-Sterza F, Poehland R. Lipid Metabolism in Bovine Oocytes and Early Embryos under In Vivo, In Vitro, and Stress Conditions. International Journal of Molecular Sciences. 2021; 22(7):3421. https://doi.org/10.3390/ijms22073421

Chicago/Turabian Style

de Andrade Melo-Sterza, Fabiana; Poehland, Ralf. 2021. "Lipid Metabolism in Bovine Oocytes and Early Embryos under In Vivo, In Vitro, and Stress Conditions" Int. J. Mol. Sci. 22, no. 7: 3421. https://doi.org/10.3390/ijms22073421

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