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
… -induced lipotoxicity in other cells, we hypothesized that obesity results in the activation of
lipotoxicity … , and apoptosis occur in ovarian cells and the oocyte in response to a high-fat diet. …

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

[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
lipotoxicity responses. It is likely that the observed changes in gene expression reflect alterations
in cumulus cells, as oocytes are … reticulum stress responses are occurring in the oocyte, …

[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
… 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

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. …

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
(… intermediate responses when compared to control oocytes and to oocytes exposed to the …

The impact of obesity on oocytes: evidence for lipotoxicity mechanisms

LLY Wu, RJ Norman, RL Robker - Reproduction, Fertility and …, 2011 - CSIRO Publishing
… In other tissues, obesity leads to lipotoxicity responses including … lipotoxicity occurs in the
cumulus–oocyte complexes of obese mice and in the ovarian cells of women. Thus lipotoxicity

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 …

Endoplasmic reticulum (ER) stress in cumulus-oocyte complexes impairs pentraxin-3 secretion, mitochondrial membrane potential (ΔΨm), and embryo development

LL Wu, DL Russell, RJ Norman… - Molecular …, 2012 - academic.oup.com
… and oocyte quality in association with lipotoxicity responses in cumulus-oocyte complexes
(… intracellular lipid accumulation and altered mitochondrial activity in oocytes (16, 17), as well …

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 …