Lipotoxicity: impact on oocyte quality and reproductive efficiency in mammals

JPM Alves, M Bertolini, LR Bertolini… - Animal …, 2018 - animal-reproduction.org
Lipotoxicity is characterized by excessive saturated fatty acids in the blood, increasing
storage in non-adipose cells, which leads to changes in the expression pattern of genes …

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
In obesity, accumulation of lipid in nonadipose tissues, or lipotoxicity, is associated with
endoplasmic reticulum (ER) stress, mitochondrial dysfunction, and ultimately apoptosis. We …

The impact of obesity on oocytes: evidence for lipotoxicity mechanisms

LLY Wu, RJ Norman, RL Robker - Reproduction, Fertility and …, 2011 - CSIRO Publishing
Obesity can have detrimental effects on pregnancy rates in natural conceptions and also in
women undergoing IVF or intracytoplasmic sperm injection (ICSI). This review summarises …

Effect of embryo culture conditions on developmental potential of bovine oocytes matured under lipotoxic conditions

A Smits, J De Bie, PEJ Bols… - Proceedings of the …, 2016 - medialibrary.uantwerpen.be
Metabolic disorders such as obesity and type II diabetes in women or negative energy
balance in dairy cows are linked to subfertility. They are associated with lipolysis and …

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
Mobilization of fatty acids from adipose tissue during metabolic stress increases the amount
of free fatty acids in blood and follicular fluid and is associated with impaired female fertility …

High-fat diet leads to elevated lipid accumulation and endoplasmic reticulum stress in oocytes, causing poor embryo development

A Rao, A Satheesh, G Nayak, PS Poojary… - Reproduction …, 2020 - CSIRO Publishing
The present study was designed to investigate the effect of diet-induced obesity on
endoplasmic reticulum (ER) stress in oocytes. Swiss albino mice (3 weeks old) were fed with …

[HTML][HTML] Non-esterified fatty acids in the ovary: friends or foes?

VS Baddela, A Sharma, J Vanselow - Reproductive Biology and …, 2020 - Springer
A majority of common metabolic diseases can result in excessive lipolysis, leading to
elevated levels of non-esterified fatty acids (NEFAs) in the body fluids. In females, increased …

[HTML][HTML] Cumulus cells protect the oocyte against saturated free fatty acids

H Aardema, PLAM Vos, BM Gadella - Animal Reproduction, 2018 - ncbi.nlm.nih.gov
In the cow a major characteristic of metabolic stress is an elevated level of plasma free fatty
acid, due to increased lipid mobilization from adipose tissue. Elevated levels of free fatty …

Bovine cumulus cells protect maturing oocytes from increased fatty acid levels by massive intracellular lipid storage

H Aardema, F Lolicato, CHA van de Lest… - Biology of …, 2013 - academic.oup.com
Metabolic conditions characterized by elevated free fatty acid concentrations in blood and
follicular fluid are often associated with impaired female fertility. Especially elevated …

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 pig oocyte maturation protocol differs from other mammalian species due to
dependence on follicular fluid (FF) supplementation. One of the most abundant components …