Aneuploidy in mammalian oocytes and the impact of maternal ageing

C Charalambous, A Webster, M Schuh - Nature Reviews Molecular Cell …, 2023 - nature.com
During fertilization, the egg and the sperm are supposed to contribute precisely one copy of
each chromosome to the embryo. However, human eggs frequently contain an incorrect …

Mechanisms of oocyte aneuploidy associated with advanced maternal age

M Mikwar, AJ MacFarlane, F Marchetti - Mutation Research/Reviews in …, 2020 - Elsevier
It is well established that maternal age is associated with a rapid decline in the production of
healthy and high-quality oocytes resulting in reduced fertility in women older than 35 years …

Cellular mechanisms and regulation of quiescence

O Marescal, IM Cheeseman - Developmental cell, 2020 - cell.com
Quiescence is a state of reversible proliferative arrest in which cells are not actively dividing
and yet retain the capacity to reenter the cell cycle upon receiving an appropriate stimulus …

The four causes: the functional architecture of centromeres and kinetochores

AD McAinsh, AL Marston - Annual review of genetics, 2022 - annualreviews.org
Kinetochores are molecular machines that power chromosome segregation during the
mitotic and meiotic cell divisions of all eukaryotes. Aristotle explains how we think we have …

DNA replication stress and chromosomal instability: dangerous liaisons

T Wilhelm, M Said, V Naim - Genes, 2020 - mdpi.com
Chromosomal instability (CIN) is associated with many human diseases, including
neurodevelopmental or neurodegenerative conditions, age-related disorders and cancer …

Single human oocyte transcriptome analysis reveals distinct maturation stage‐dependent pathways impacted by age

S Llonch, M Barragán, P Nieto, A Mallol… - Aging cell, 2021 - Wiley Online Library
Female fertility is inversely correlated with maternal age due to a depletion of the oocyte
pool and a reduction in oocyte developmental competence. Few studies have addressed the …

Actin-driven chromosome clustering facilitates fast and complete chromosome capture in mammalian oocytes

K Harasimov, J Uraji, EU Mönnich, Z Holubcová… - Nature Cell …, 2023 - nature.com
Accurate chromosome segregation during meiosis is crucial for reproduction. Human and
porcine oocytes transiently cluster their chromosomes before the onset of spindle assembly …

Origins and mechanisms leading to aneuploidy in human eggs

L Wartosch, K Schindler, M Schuh, JR Gruhn… - Prenatal …, 2021 - Wiley Online Library
The gain or loss of a chromosome—or aneuploidy—acts as one of the major triggers for
infertility and pregnancy loss in humans. These chromosomal abnormalities affect more than …

The human periconceptional maternal-embryonic space in health and disease

I Moreno, A Capalbo, A Mas… - Physiological …, 2023 - journals.physiology.org
Pregnancy is established during the periconceptional period as a continuum beginning with
blastocyst attachment to the endometrial epithelial surface followed by embryo invasion and …

[HTML][HTML] The molecular regulation in the pathophysiology in ovarian aging

CJ Li, LT Lin, HW Tsai, CU Chern, ZH Wen… - Aging and …, 2021 - ncbi.nlm.nih.gov
The female reproductive system is of great significance to women's health. Aging of the
female reproductive system occurs approximately 10 years prior to the natural age …