The role of progesterone in oocyte acquisition of developmental competence

T Fair, P Lonergan - Reproduction in Domestic Animals, 2012 - Wiley Online Library
Contents It is generally accepted that progesterone (P4) is a key regulator of reproductive
function in mammals. In cattle, the primary focus of P4's actions has been uterine receptivity …

Vitamin D alters genes involved in follicular development and steroidogenesis in human cumulus granulosa cells

Z Merhi, A Doswell, K Krebs… - The Journal of Clinical …, 2014 - academic.oup.com
Context: Vitamin D deficiency is common among reproductive-aged women and has a role
in female reproduction. Objective: This study evaluated the role of 1, 25-dihydroxyvitamin D3 …

Cows are not mice: The role of cyclic AMP, phosphodiesterases, and adenosine monophosphate‐activated protein kinase in the maintenance of meiotic arrest in …

S Bilodeau‐Goeseels - Molecular reproduction and …, 2011 - Wiley Online Library
Meiotic maturation in mammalian oocytes is initiated during fetal development, and is then
arrested at the dictyate stage–possibly for several years. Oocyte meiosis resumes in …

Discovery of single nucleotide polymorphisms in candidate genes associated with fertility and production traits in Holstein cattle

SD Cochran, JB Cole, DJ Null, PJ Hansen - BMC genetics, 2013 - Springer
Background Identification of single nucleotide polymorphisms (SNPs) for specific genes
involved in reproduction might improve reliability of genomic estimates for these low …

Fatty acid synthesis and oxidation in cumulus cells support oocyte maturation in bovine

L Sanchez-Lazo, D Brisard, S Elis… - Molecular …, 2014 - academic.oup.com
Oocyte meiotic maturation requires energy from various substrates including glucose, amino
acids, and lipids. Mitochondrial fatty acid (FA) β-oxidation (FAO) in the oocyte is required for …

Absence of cumulus cells during in vitro maturation affects lipid metabolism in bovine oocytes

S Auclair, R Uzbekov, S Elis… - American Journal …, 2013 - journals.physiology.org
Cumulus cells (CC) surround the oocyte and are coupled metabolically through regulation of
nutrient intake. CC removal before in vitro maturation (IVM) decreases bovine oocyte …

Protein cargo of extracellular vesicles from bovine follicular fluid and analysis of their origin from different ovarian cells

S Uzbekova, C Almiñana, V Labas… - Frontiers in veterinary …, 2020 - frontiersin.org
Follicular fluid (FF) fills the interior portion of the ovarian antral follicle and provides a
suitable microenvironment for the growth of the enclosed oocyte through molecular factors …

[PDF][PDF] Brilliant Cresyl Blue stain selects largest oocytes with highest mitochondrial activity, maturation-promoting factor activity and embryo developmental competence …

MG Catalá, D Izquierdo, S Uzbekova, R Morató… - Reproduction, 2011 - academia.edu
The aim of this study was to test the Brilliant Cresyl Blue (BCB) stain to select prepubertal
sheep oocytes for in vitro blastocyst production. Oocyte diameter, mitochondrial activity …

In vitro maturation of oocytes alters gene expression and signaling pathways in bovine cumulus cells

M Salhab, S Dhorne‐Pollet, S Auclair… - Molecular …, 2013 - Wiley Online Library
In vitro maturation (IVM) of immature oocytes is widely used in assisted reproduction
technologies in cattle, and is increasingly used to treat human infertility. The development …

Follicular fluid-derived extracellular vesicles influence on in vitro maturation of equine oocyte: impact on cumulus cell viability, expansion and transcriptome

J Gabryś, A Gurgul, T Szmatoła, B Kij-Mitka… - International Journal of …, 2024 - mdpi.com
Cumulus cell (CC) expansion is pivotal for oocyte maturation, during which CCs release
factors that initiate paracrine signaling within the follicular fluid (FF). The FF is abundant in …