Lipotoxicity: impact on oocyte quality and reproductive efficiency in mammals

JPM Alves, M Bertolini, LR Bertolini… - Animal …, 2018 - animal-reproduction.org
… and cumulus-oocyte complexes (COCs), which leads to a decrease in oocyte quality and …
under in vivo or in vitro conditions, alters the expression pattern of different genes related to …

High-fat diet causes lipotoxicity responses in cumulus–oocyte complexes and decreased fertilization rates

LLY Wu, KR Dunning, X Yang, DL Russell… - …, 2010 - academic.oup.com
… Further, ER stress and lipotoxicity have been demonstrated in liver and brain from both diet-…
lipotoxicity in other cells, we hypothesized that obesity results in the activation of lipotoxicity

[HTML][HTML] 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
… effects to reduce the number of fixed factors, increase statistical power and allow accurate
interpretation of the complex proteomic data in combination with other functional assessments. …

The cumulus cell layer protects the bovine maturing oocyte against fatty acid-induced lipotoxicity

F Lolicato, JF Brouwers, CHA de Lest… - Biology of …, 2015 - academic.oup.com
… involved in lipotoxic effects induced by saturated FA exposure of cumulus-oocyte complexes
(… formation of glucosylceramides under lipotoxic-inducing conditions in COCs relates to …

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
… supplementation protected oocyte developmental capacity under lipotoxic conditions mainly
… to a lipotoxic microenvironment in which oocytes undergo maturation can protect oocyte

[HTML][HTML] Exposure to lipid-rich follicular fluid is associated with endoplasmic reticulum stress and impaired oocyte maturation in cumulus-oocyte complexes

X Yang, LL Wu, LR Chura, X Liang, M Lane… - Fertility and sterility, 2012 - Elsevier
… vivo maturation conditions. Overall … conditions, indicating that exposure to high levels of
lipids in follicle fluid is indeed inducing endoplasmic reticulum stress and potentially lipotoxicity

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

S Uzbekova, PS Bertevello… - Reproduction …, 2021 - CSIRO Publishing
… the quality of the enclosed oocyte, which relies on the … of follicular compartments and
oocyte quality. In this review, … in different pathways during oocyte final growth and maturation. …

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
… the oocyte to (pathophysiologically relevant) lipotoxic conditions affected subsequent embryo
development, we studied elongation, embryonic disk (ED) formation, metabolic activity and …

[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
… by the pyruvate dehydrogenase (PDH) complex to create acetyl CoA (see … oocytes of mice
fed a high fat diet displayed a decreased MMP, as did those incubated in lipotoxic conditions

Obesity on increases lipid droplets and lipotoxicity responses in the periovulatory cumulus-oocyte-complex

X Yang, LL Wu, KR Dunning, RJ Norman, X Liang… - Fertility and …, 2010 - fertstert.org
… High fat diet in mice and obesity in women increases oocyte lipid and induces lipotoxicity
responses that could contribute to their impaired oocyte developmental competence. …