Elevated intracellular pH of zygotes during mouse aging causes mitochondrial dysfunction associated with poor embryo development

Y Gu, J Xu, F Sun, J Cheng - Molecular and Cellular Endocrinology, 2023 - Elsevier
The mortality of preimplantation embryos is positively correlated with maternal age.
However, the underlying mechanism for the poor quality of embryos remains unclear. Here …

Maternal total sleep deprivation causes oxidative stress and mitochondrial dysfunction in oocytes associated with fertility decline in mice

Z Yi, Q Liang, Q Zhou, Y Lin, Q Meng, J Li, Y Lin… - bioRxiv, 2024 - biorxiv.org
Previous studies have shown sleep deprivation has an impact on several aspects of health
and disease. Sleep deprivation suppresses melatonin production and excessive HPA …

High-resolution profiles of gene expression and DNA methylation highlight mitochondrial modifications during early embryonic development

L Ren, C Zhang, L Tao, J Hao, K Tan… - … of Reproduction and …, 2017 - jstage.jst.go.jp
Well-organized mitochondrial functions and dynamics are critical for early embryonic
development and are operated via a large number of mitochondria-related genes (MtGs) …

In Vivo and In Vitro Matured Oocytes From Mice of Advanced Reproductive Age Exhibit Alternative Splicing Processes for Mitochondrial Oxidative Phosphorylation

H Qin, Y Qu, R Li, J Qiao - Frontiers in Endocrinology, 2022 - frontiersin.org
The mean age of women seeking infertility treatment has gradually increased over recent
years. This has coincided with the emergence of in vitro maturation (IVM), a method used in …

Growth Hormone Promotes Oocyte Maturation In Vitro by Protecting Mitochondrial Function and Reducing Apoptosis

K Deng, D Du, D Fan, Z Pei, S Zhang, C Xu - Reproductive Sciences, 2023 - Springer
Some studies have been conducted to explore the influence of growth hormone (GH) on
oocytes in in vitro maturation (IVM); however, previous studies reporting showed different …

Post-ovulatory aging affects mitochondria, spindle and protein metabolism in mouse oocytes

C Zhang, X Dong, X Yuan, J Song, J Wang… - …, 2023 - rep.bioscientifica.com
In brief Post-ovulatory aging (POA) results in a decline in oocyte quality and embryonic
developmental capacity although the underlying mechanisms remain elusive. This study …

Effects of thyroid hormone on mitochondria and metabolism of human preimplantation embryos

L Noli, SE Khorsandi, A Pyle, G Giritharan… - Stem …, 2020 - academic.oup.com
Thyroid hormones are regarded as the major controllers of metabolic rate and oxygen
consumption in mammals. Although it has been demonstrated that thyroid hormone …

A shared pattern of altered gene expression in human embryos affected by mitochondrial diseases

K Chatzovoulou, A Mayeur, N Cagnard… - Human …, 2023 - academic.oup.com
STUDY QUESTION Does mitochondrial deficiency affect human embryonic preimplantation
development? SUMMARY ANSWER The presence of a pathogenic mitochondrial variant …

[HTML][HTML] In pre-clinical study fetal hypoxia caused autophagy and mitochondrial impairment in ovary granulosa cells mitigated by melatonin supplement

L Zhang, K Liu, Z Liu, H Tao, X Fu, J Hou, G Jia… - Journal of Advanced …, 2023 - Elsevier
Introduction Fetal hypoxia has long-term effects on postnatal reproductive functions and the
mitochondrial impairments of ovarian granulosa cells may be one of the causes. Melatonin …

Control of mitochondrial integrity influences oocyte quality during reproductive aging

SA Khan, L Reed, WB Schoolcraft… - Molecular Human …, 2023 - academic.oup.com
Reduced quality in oocytes from women of advanced maternal age (AMA) is associated with
dysfunctional mitochondria. The objective of this study was to investigate the mechanisms …