Results 241 to 250 of about 241,792 (308)

The intrinsic impact of mechanical stress on the maintenance of oocyte dormancy. [PDF]

Proc Natl Acad Sci U S A
Nagamatsu G, Shirane K, Kato Y, Nakamura H, Hamada N, Kato K, Kimura H, Hayashi K.   +7 more
europepmc   +1 more source

Acrylamide disrupts meiotic G2/M transition and SAC activity during oocyte maturation. [PDF]

Biol Direct
Chen S, Wang PX, Wang YT, Ke XH, Ou M, Sun SC, Liao BY, Chen X.   +7 more
europepmc   +1 more source

hnRNPU Safeguards Oocyte Development and Female Fertility via Regulation of Alternative Splicing. [PDF]

FASEB J
Li J, Chen B, Wen Y, Wu Y, Liu K, Chen J, Wang S, Feng S, Dong J.   +8 more
europepmc   +1 more source

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Oxidative stress in oocyte aging and female reproduction

Journal of Cellular Physiology, 2021
In a healthy body, reactive oxygen species (ROS) and antioxidants remain balanced. When the balance is broken toward an overabundance of ROS, oxidative stress appears and may lead to oocyte aging.
Ling Wang, Jinhua Tang, Lei Wang, Feng Tan, Huibin Song, Jiawei Zhou, Fenge Li   +6 more
semanticscholar   +1 more source

Oocytes

2006
Embryonic stem cells (ESCs), derivatives of totipotential cells of early mammalian embryos, have proven to be one of the most powerful tools for studying developmental and stem cell biology. When injected into embryos, ESCs can contribute to tissues derived from all three germ layers and to the germ line. Prior studies have successfully shown that ESCs
Karin, Hübner, James, Kehler, Hans R, Schöler   +2 more
  +5 more sources

Metabolic co-dependence of the oocyte and cumulus cells: essential role in determining oocyte developmental competence.

Human Reproduction Update, 2020
BACKGROUND Within the antral follicle, the oocyte is reliant on metabolic support from its surrounding somatic cells. Metabolism plays a critical role in oocyte developmental competence (oocyte quality).
D. Richani, K. R. Dunning, Jeremy G. Thompson, R. Gilchrist   +3 more
semanticscholar   +1 more source

Mechanisms of oocyte aneuploidy associated with advanced maternal age.

Mutation research, 2020
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 of age.
M. Mikwar, A. MacFarlane, F. Marchetti
semanticscholar   +1 more source