High-fat diet causes lipotoxicity responses in cumulusoocyte 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. …

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
… in vivo [12] and therefore to analyze the responses of cumulus cells to these conditions. The
… involved in lipotoxic effects induced by saturated FA exposure of cumulus-oocyte complexes …

[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
… Therefore, the aim of this study was to analyze and compare cellular responses to PA-induced
lipotoxicity during in vitro maturation of bovine COCs using shotgun proteomic analysis of …

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
… inducing endoplasmic reticulum stress and potentially lipotoxicity responses. It is likely that
… in cumulus cells, as oocytes are transcriptionally inactive at this stage and because cumulus

[PDF][PDF] Cumulus cells protect the bovine oocyte against lipotoxicity by converting saturated into unsaturated fatty acids using stearoyl-CoA-desaturase during in vitro …

H Aardema, HTA Van Tol… - Anim …, 2016 - host-article-assets.s3.amazonaws …
… maturation, in terms of cortical granules (CG) and mitochondrial distribution, apoptotic rate
and steroidogenic response of cumulus-oocyte-complexes (COCs) after IVM. A pool of 500 …

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. … -induced
stress responses in oocytes to those in cumulus cells (CC). We exposed bovine cumulus-oocyte

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

WFA Marei, J De Bie, O Mohey-Elsaeed… - Biology of …, 2017 - academic.oup.com
oocyte developmental capacity under lipotoxic conditions mainly by protecting cumulus cell
… Thus, the alteration in cumulus cell expansion in response to PSO and ALA can be directly …

Fatty acid induced lipolysis influences embryo development, gene expression and lipid droplet formation in the porcine cumulus cells

P Pawlak, N Malyszka, I Szczerbal… - Biology of …, 2020 - academic.oup.com
… the oocytes from lipotoxicity under the excess of FA in culture media. Results of the present
experiment revealed a distinct response of the oocyte and corresponding cumulus cells to …

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
… to elevated glucose leads to high intracellular levels of free fatty acids that trigger lipotoxicity
and oocyte quality in association with lipotoxicity responses in cumulus-oocyte complexes (…