Lipotoxicity: impact on oocyte quality and reproductive efficiency in mammals

JPM Alves, M Bertolini, LR Bertolini… - Animal …, 2018 - animal-reproduction.org
… granulosa cells and cumulus-oocyte complexes (COCs), which leads to a decrease in …
regard to the effects of lipotoxicity on oocyte quality. Lipotoxicity and reproductive response

Proteomic changes in oocytes after in vitro maturation in lipotoxic conditions are different from those in cumulus cells

WFA Marei, G Van Raemdonck, G Baggerman… - Scientific reports, 2019 - nature.com
… cellular responses to PA-induced lipotoxicity during in … lipotoxic effects to reduce the number
of fixed factors, increase statistical power and allow accurate interpretation of the complex

Cellular stress responses in oocytes: Molecular changes and clinical implications

WFA Marei, JLMR Leroy - … Biology and Translational Medicine, Volume 16 …, 2021 - Springer
… by which oocytes can sense and respond to stress are not … due to lipotoxicity, oxidative
stress, and heat stress on oocyte … mechanisms in whole cumulus-oocyte complexes (COCs) can …

Alpha-linolenic acid protects the developmental capacity of bovine cumulus–oocyte complexes matured under lipotoxic conditions in vitro

WFA Marei, J De Bie, O Mohey-Elsaeed… - Biology of …, 2017 - academic.oup.com
… -linolenic acid (ALA) during in vitro oocyte maturation (IVM) in the presence of … Bovine
cumulus–oocyte complexes (COCs) were … protected oocyte developmental capacity under …

Nonesterified fatty acid-induced endoplasmic reticulum stress in cattle cumulus oocyte complexes alters cell metabolism and developmental competence

ML Sutton-McDowall, LLY Wu, M Purdey… - Biology of …, 2016 - academic.oup.com
… COCs is protective of potential damage to the oocyte caused by NEFAs [13, 14]; our data
reveals that the cumulus cells themselves are sensitive to lipotoxicity and respond accordingly. …

[PDF][PDF] Mitochondria and lipid metabolism in mammalian oocytes and early embryos

J Bradley, K Swann - International Journal of Developmental Biology, 2019 - core.ac.uk
… (PDH) complex to acetyl CoA, which enters the citric acid (TCA) cycle of chemical … generation
of ATP often seen in lipotoxic stress. It is likely that this response is due to ER stress rather …

Risks of using mitoquinone during in vitro maturation and its potential protective effects against lipotoxicity-induced oocyte mitochondrial stress

WFA Marei, O Mohey-Elsaeed, I Pintelon… - Journal of Assisted …, 2024 - Springer
… protein responses and redox regulation increase in these oocytes [18]. In this model, alteration
in … Collection of bovine cumulus oocyte complexes (COCs) from slaughterhouse ovaries …

Oocyte maturation under lipotoxic conditions induces carryover transcriptomic and functional alterations during post-hatching development of good-quality blastocysts …

KLJ Desmet, WFA Marei, C Richard… - Human …, 2020 - academic.oup.com
… SUMMARY ANSWER Surviving, morphologically normal blastocysts derived from bovine
oocytes that matured under lipotoxic conditions exhibit long-lasting cellular dysfunction at the …

166 Mitochondrial stress responses in bovine cumulus cells and oocytes matured under lipotoxic conditions: a proteomic insight

WFA Marei, G Van Raemdonck… - Reproduction …, 2019 - CSIRO Publishing
… (UPR) and protein translation may be different in oocytes than in somatic cells. … responses
in oocytes to those in cumulus cells (CC). We exposed bovine cumulus-oocyte complexes (…

Metabolic exchanges between the oocyte and its environment: focus on lipids

S Uzbekova, PS Bertevello… - Reproduction …, 2021 - CSIRO Publishing
oocyte in phospholipids and cholesterol during maturation, and significant changes of FA
composition and related pathways in response to lipid modulators endorse the role of oocyte