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Zygote. 2018 Feb;26(1):1-13. doi: 10.1017/S0967199417000582. Epub 2017 Dec 15.

Oleic acid in the modulation of oocyte and preimplantation embryo development.

Author information

1
Department of Biology and Anatomical Sciences,Faculty of Medicine,Shahid Beheshti University of Medical Sciences,Tehran,Iran.
2
Gamete Research Center,Veterinary Physiology and Biochemistry,Department of Veterinary Sciences,University of Antwerp,Wilrijk,Belgium.
3
Drug Applied Research Center,Tabriz University of Medical Sciences,Tabriz 5165665811,Iran.

Abstract

Potential reproductive effects are considered as the major aspect of biomolecules functionality in an organism. The recent identification of differential patterns of fatty acids across ovarian follicles and their association with levels of sexual maturity highlights the importance of these biomolecules. It is well known that fatty acids are highly diverse in terms of their functional properties. Oleic acid is chemically classified as an unsaturated omega-9 fatty acid. Besides serving as an important energy source, oleic acid is involved in metabolic and structural roles. Free and esterified oleic acids are compartmentalized into discrete extracellular fluids, cell organelles and found within the cytosol. This review summarizes the current knowledge on the contribution of oleic acid in regulating female fertility, particularly its involvement in female germ cell growth and development. Oleic acid has been identified as a blastomeric and post-cryopreservation survival biomarker in bovine. Several related studies have shown the critical role of oleic acid in counteracting the detrimental effects of saturated fatty acids and in paracrine support of oocyte development. Although available data are not ideally detailed, most data suggest that oleic acid can contribute to normal oocyte and preimplantation embryo development via mechanisms involving metabolic partitioning of fatty acids, change in the membrane structural organization, attenuation of oxidative stress and regulation of intracellular signalling. Thus, oleic acid may play a significant role in oocyte and early embryo development, suggesting that future studies should explore in more detail its potential effects on the physiopathology of female reproduction.

KEYWORDS:

Desaturation; Embryo; Fatty acids; Fertilization; Ovary

PMID:
29244016
DOI:
10.1017/S0967199417000582
[Indexed for MEDLINE]

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