Web29 de jun. de 2024 · 1 Clinica Valle Giulia, G.en.e.r.a. Centers for Reproductive Medicine, Rome, Italy; 2 Catholic University of the Sacred Heart, Rome, Italy; The overall success of human reproduction, either spontaneously or after IVF, is highly dependent upon maternal age. The main reasons for age-related infertility include reduced ovarian reserve and … Web5 de jun. de 2012 · Oocyte fitness to support embryo development and pregnancy is dependent on an elaborate cross-talk with the surrounding environment of the ovarian follicle that continues during the periovulatory period when a new set of bioactive molecules is secreted by the oocyte in mice and humans. 30 PDF View 2 excerpts, cites background
Oocyte Elimination Through DNA Damage Signaling from …
Web31 de mai. de 2016 · Moreover, at least in the ovary there seems to be a selection mechanism that ensures the “fitness” of a developing oocyte, resulting in the degradation of numerous follicles . Also for mitochondrial DNA (mtDNA), a purifying selection exists at the oocyte level (and possibly during gestation) [ 3 ]. Web12 de jan. de 2024 · Propose The presence of metaphase II (MII) spindle together with the polar body (PB) indicates completion of oocyte maturation. This study was designed to explore if spindle imaging can be used to optimize timing of intracytoplasmic sperm injection (ICSI). Methods The study involved 916 oocytes from 234 conventionally stimulated ICSI … flower arrangements with birds
Oocytes maintain ROS-free mitochondrial metabolism by ... - PubMed
Web26 de jan. de 2024 · The oocyte’s ability to develop as an embryo and to support pregnancy through a live birth relies on a complex set of developmental processes, including the coordinated acquisition of gamete... Web10 de fev. de 2016 · Oocyte fitness to support embryo development and pregnancy is dependent on an elaborate cross-talk with the surrounding environment of the ovarian … greek lore fates with eyeball