The sperm nucleus: chromatin, RNA and the nuclear matrix

GD Johnson, C Lalancette… - Reproduction …, 2010 - pmc.ncbi.nlm.nih.gov
Within the sperm nucleus the paternal genome remains functionally inert and protected
following protamination. This is marked by a structural morphogenesis that is heralded by a …

Assisted reproduction treatment and epigenetic inheritance

APA Van Montfoort, LLP Hanssen… - Human reproduction …, 2012 - academic.oup.com
BACKGROUND The subject of epigenetic risk of assisted reproduction treatment (ART),
initiated by reports on an increase of children with the Beckwith–Wiedemann imprinting …

The DNA methylation landscape of human early embryos

H Guo, P Zhu, L Yan, R Li, B Hu, Y Lian, J Yan, X Ren… - Nature, 2014 - nature.com
DNA methylation is a crucial element in the epigenetic regulation of mammalian embryonic
development,,,,. However, its dynamic patterns have not been analysed at the genome scale …

Repressive and active histone methylation mark distinct promoters in human and mouse spermatozoa

U Brykczynska, M Hisano, S Erkek, L Ramos… - Nature structural & …, 2010 - nature.com
In higher eukaryotes, histone methylation is involved in maintaining cellular identity during
somatic development. As most nucleosomes are replaced by protamines during …

Sperm DNA: organization, protection and vulnerability: from basic science to clinical applications—a position report

CLR Barratt, RJ Aitken, L Björndahl… - Human …, 2010 - academic.oup.com
This article reports the results of the most recent in a series of EHSRE workshops designed
to synthesize the current state of the field in Andrology and provide recommendations for …

Paternal heterochromatin formation in human embryos is H3K9/HP1 directed and primed by sperm-derived histone modifications

C Van De Werken, GW Van Der Heijden… - Nature …, 2014 - nature.com
The different configurations of maternal and paternal chromatin, acquired during oogenesis
and spermatogenesis, have to be rearranged after fertilization to form a functional embryonic …

The maternal to zygotic transition regulates genome-wide heterochromatin establishment in the zebrafish embryo

K Laue, S Rajshekar, AJ Courtney, ZA Lewis… - Nature …, 2019 - nature.com
The segregation of eukaryotic genomes into euchromatin and heterochromatin represents a
fundamental and poorly understood process. Here, we demonstrate that genome-wide …

Genome-wide haplotyping embryos developing from 0PN and 1PN zygotes increases transferrable embryos in PGT-M

A Destouni, E Dimitriadou, H Masset… - Human …, 2018 - academic.oup.com
STUDY QUESTION Can genome-wide haplotyping increase success following
preimplantation genetic testing for a monogenic disorder (PGT-M) by including zygotes with …

Analysis of active chromatin modifications in early mammalian embryos reveals uncoupling of H2A. Z acetylation and H3K36 trimethylation from embryonic genome …

A Bošković, A Bender, L Gall, C Ziegler-Birling… - Epigenetics, 2012 - Taylor & Francis
Early embryonic development is characterized by dramatic changes in cell potency and
chromatin organization. The role of histone variants in the context of chromatin remodeling …

Incidence of haploidy and triploidy in trophectoderm biopsies of blastocysts derived from normally and abnormally fertilized oocytes

L Girardi, C Patassini, J Miravet Valenciano… - Journal of Assisted …, 2024 - Springer
Purpose We aimed to identify the correlation between morphological pronuclear (PN) status
and the genetically determined ploidy configuration in preimplantation embryos. Methods A …