The observations to be described below were obtained from antral follicles from prepubertal mice without exogenous hormonal stimulation. At this stage, the oocyte is surrounded by a several micron-thick extracellular matrix, the zona pellucida. Cumulus cells on the other side of the zona pellucida contact the … See more Our data revealed novel characteristics of TZPs throughout the zona pellucida. For instance, we found that ~12% of the TZPs analyzed branched into one or more … See more As described previously13,24, TZPs end in junctions at the oocyte surface that contain adherens junctions, as identified by an electron-dense deposit25 … See more During our analysis of TZPs, we found that many cumulus cells had some projections directed away from the oocyte toward other cells, and that mural … See more Free-ended TZPs and the cytoplasmic projections of granulosa cells showed a similar overall appearance; both were usually devoid of organelles, and their lengths … See more WebDietary Problems Are Associated with Frailty Status in Older People with Fewer Teeth in Japan.
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WebGerm cell quality is a key prerequisite for successful fertilization and early embryo development. The quality is determined by the fine regulation of transcriptomic and … WebJan 19, 2024 · A growing body of literature has revealed that intercellular communication is critical in determining oocyte quality and ovulation. This review provides an update on … crossover chicago med fire pd
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WebMar 21, 2024 · The oocyte must grow and mature before fertilization, thanks to a close dialogue with the somatic cells that surround it. Part of this communication is through … WebFeb 4, 2024 · Transzonal projections (TZPs) are thin … Each mammalian oocyte is nurtured by its own multi-cellular structure, the ovarian follicle. We used new methods for … WebReversing complete mechanical transzonal projections disruption during mouse in vitro follicle culture with unaltered oocyte competence. Anamaria-Cristina Herta, Nazli Akin, Katy Billooye, Laura Saucedo-Cuevas, Francesca Lolicato, … crossover chromebook tutorial