Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation

Oocyte cryopreservation has drastically improved in recent years and is receiving widespread clinical use with increasing demand for fertility preservation and assisted reproduction treatments. However, there are still several points to be reviewed in terms of suppressing sub-lethal damages and impr...

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Main Authors: Eduardo Domingos Borges, Alessandra Aparecida Vireque
Format: Article
Language:English
Published: European Medical Journal 2019-03-01
Series:European Medical Journal
Subjects:
Online Access:https://www.emjreviews.com/reproductive-health/article/updating-the-impact-of-lipid-metabolism-modulation-and-lipidomic-profiling-on-oocyte-cryopreservation/
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author Eduardo Domingos Borges
Alessandra Aparecida Vireque
author_facet Eduardo Domingos Borges
Alessandra Aparecida Vireque
author_sort Eduardo Domingos Borges
collection DOAJ
description Oocyte cryopreservation has drastically improved in recent years and is receiving widespread clinical use with increasing demand for fertility preservation and assisted reproduction treatments. However, there are still several points to be reviewed in terms of suppressing sub-lethal damages and improving overall safety, especially when trying to preserve oocytes at the germinal vesicle stage or oocytes matured in vitro. The lipid content of oocytes is highly associated with both their competence and cryotolerance. Differences in lipid content are observed not just between different species but also at different developmental stages and when the oocytes are kept under different conditions, including cryopreservation. Many efforts have been made to understand how physiological or in vitro alterations in the lipid profile of oocytes impacts cryotolerance and vice-versa; however, the dynamics of cytosolic and membrane lipid involvement in the cryopreservation process remains poorly clarified in the human female gamete. This review presents an updated overview of the current state of cryopreservation techniques and oocyte lipidomics and highlights possible ways to improve cryotolerance, focussing on lipid content modulation.
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spelling doaj.art-9e215194dd92471ba14a6a452a90dfe62022-12-22T01:33:03ZengEuropean Medical JournalEuropean Medical Journal2397-67642019-03-01417987Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte CryopreservationEduardo Domingos Borges0Alessandra Aparecida Vireque1Department of Obstetrics and Gynecology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, BrazilInvitra – Assisted Reproductive Technologies Ltd., Supera Innovation and Technology Park, Ribeirão Preto, BrazilOocyte cryopreservation has drastically improved in recent years and is receiving widespread clinical use with increasing demand for fertility preservation and assisted reproduction treatments. However, there are still several points to be reviewed in terms of suppressing sub-lethal damages and improving overall safety, especially when trying to preserve oocytes at the germinal vesicle stage or oocytes matured in vitro. The lipid content of oocytes is highly associated with both their competence and cryotolerance. Differences in lipid content are observed not just between different species but also at different developmental stages and when the oocytes are kept under different conditions, including cryopreservation. Many efforts have been made to understand how physiological or in vitro alterations in the lipid profile of oocytes impacts cryotolerance and vice-versa; however, the dynamics of cytosolic and membrane lipid involvement in the cryopreservation process remains poorly clarified in the human female gamete. This review presents an updated overview of the current state of cryopreservation techniques and oocyte lipidomics and highlights possible ways to improve cryotolerance, focussing on lipid content modulation.https://www.emjreviews.com/reproductive-health/article/updating-the-impact-of-lipid-metabolism-modulation-and-lipidomic-profiling-on-oocyte-cryopreservation/cryopreservationlipid metabolismlipid profilemass spectrometryoocyte
spellingShingle Eduardo Domingos Borges
Alessandra Aparecida Vireque
Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation
European Medical Journal
cryopreservation
lipid metabolism
lipid profile
mass spectrometry
oocyte
title Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation
title_full Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation
title_fullStr Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation
title_full_unstemmed Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation
title_short Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation
title_sort updating the impact of lipid metabolism modulation and lipidomic profiling on oocyte cryopreservation
topic cryopreservation
lipid metabolism
lipid profile
mass spectrometry
oocyte
url https://www.emjreviews.com/reproductive-health/article/updating-the-impact-of-lipid-metabolism-modulation-and-lipidomic-profiling-on-oocyte-cryopreservation/
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