Analysing the sperm epigenome: roles in early embryogenesis and assisted reproduction

U Schagdarsurengin, A Paradowska… - Nature Reviews Urology, 2012 - nature.com
An understanding of the epigenetic mechanisms involved in sperm production and their
impact on the differentiating embryo is essential if we are to optimize fertilization and …

Methylome Dynamics of Bovine Gametes and in vivo Early Embryos

JE Duan, ZC Jiang, F Alqahtani, I Mandoiu… - Frontiers in …, 2019 - frontiersin.org
DNA methylation undergoes drastic fluctuation during early mammalian embryogenesis.
The dynamics of global DNA methylation in bovine embryos, however, have mostly been …

Epigenetic discordance at imprinting control regions in twins

M Ollikainen, JM Craig - Epigenomics, 2011 - Taylor & Francis
Imprinting control regions are differentially methylated in a parent-of-origin-dependent
manner and this methylation state is inherited through the germline. These regions control …

DNA methylation screening and analysis

KE Sant, MS Nahar, DC Dolinoy - Developmental Toxicology: Methods …, 2012 - Springer
DNA methylation is an epigenetic form of gene regulation that is universally important
throughout the life course, especially during in utero and postnatal development. DNA …

Extended in vitro maturation affects gene expression and DNA methylation in bovine oocytes

J Heinzmann, F Mattern, P Aldag… - MHR: Basic science …, 2015 - academic.oup.com
To mimic post-ovulatory ageing, we have extended the in vitro maturation (IVM) phase to 48
h and examined effects on (i) developmental potential,(ii) expression of a panel of …

Epigenetic analysis of bovine parthenogenetic embryonic fibroblasts

M Kaneda, M Takahashi, K Yamanaka… - … of Reproduction and …, 2017 - jstage.jst.go.jp
Although more than 100 imprinted genes have already been identified in the mouse and
human genomes, little is known about genomic imprinting in cattle. For a better …

Differential methylation status of IGF2‐H19 locus does not affect the fertility of crossbred bulls but some of the CTCF binding sites could be potentially important

SC Jena, S Kumar, S Rajput, B Roy… - Molecular …, 2014 - Wiley Online Library
Associations between abnormal methylation of spermatozoan DNA with male infertility have
been sought in recent years to identify a molecular explanation of differential spermatozoan …

DNA methylation profile of single in vitro matured bovine oocytes

LN Vargas, FMC Caixeta, MAN Dode… - Molecular …, 2023 - Wiley Online Library
Somatic cell nuclear transfer (SCNT) is commercially used despite incomplete nuclear
reprogramming of the somatic cell nucleus by the enucleated oocyte compromising its …

DNA methylation and mRNA expression of developmentally important genes in bovine oocytes collected from donors of different age categories

F Mattern, D Herrmann, J Heinzmann… - Molecular …, 2016 - Wiley Online Library
Epigenetic changes are critical for the acquisition of developmental potential by oocytes and
embryos, yet these changes may be sensitive to maternal ageing. Here, we investigated the …

Genomic imprinting and imprinted gene clusters in the bovine genome

IG Imumorin, SO Peters, M De Donato - Livestock Epigenetics, 2012 - Wiley Online Library
Genomic imprinting is the preferential expression of one of two alleles of a gene in the
offspring based on parental origin. The number of experimentally confirmed imprinted genes …