Morphogenesis and functioning of polyarchal spindles in higher plant meiosis were studied. A mechanism of anastral spindle formation in discussed.
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Oocytes Quality Assessment-The Current Insight: A Systematic Review.
Biology (Basel)
November 2024
Advanced Reproductive Centre (ARC) HCTM UKM, Department of Obstetrics & Gynecology, Faculty of Medicine, National University of Malaysia, Jalan Yaacob Latiff, Cheras, Kuala Lumpur 56000, Malaysia.
An overall in vitro fertilization (IVF) outcome is dynamic. Good oocyte quality is important for achieving a better IVF pregnancy. Various methods have been used for OQ assessment (OQA).
View Article and Find Full Text PDFPymetrozine (a pyridine azomethine pesticide) is one of the most commonly and frequently used insecticides. Scanty information is available about the deleterious effects of Pymetrozine on fish especially bighead carp. Hence, the current study investigated chronic toxicological effects of pymetrozine in bighead carp.
View Article and Find Full Text PDFEffects of maternal liver abnormality on maturation of bovine oocytes.
Zygote
January 2025
University Farm, Faculty of Agriculture, Utsunomiya University, Utsunomiya, Tochigi 321-4415, Japan.
In cattle, maternal metabolic health has been suggested to influence oocyte and embryo quality. Here, we examined whether maternal liver abnormalities affected oocyte maturation by screening meiotic maturation, spindle morphology, actin filaments, and lysosomes. In oocytes from the abnormal liver group, the maturation rate (80.
View Article and Find Full Text PDFLoss of LRRK2 activity induces cytoskeleton defects and oxidative stress during porcine oocyte maturation.
Cell Commun Signal
January 2025
Key Laboratory of Research on Clinical Molecular Diagnosis for High Incidence Diseases in Western Guangxi of Guangxi Higher Education Institutions, Reproductive Medicine of Guangxi Medical and Health Key Discipline Construction Project, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China.
Leucine-rich repeat kinase 2 (LRRK2) is a ROCO family member which its mutation is closely related with Parkinson's disease, and LRRK2 is widely involved into the regulation of autophagy, vesicle transport and neuronal proliferation. However, the roles of LRRK2 during mammalian oocyte maturation are still largely unclear. In present study, we disturbed the activity of LRRK2 and showed its essential roles in porcine oocytes.
View Article and Find Full Text PDFAnesthetic spindles serve as EEG markers of the depth variations in anesthesia induced by multifarious general anesthetics in mouse experiments.
Front Pharmacol
December 2024
Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
Background: Mice play a crucial role in studying the mechanisms of general anesthesia. However, identifying reliable EEG markers for different depths of anesthesia induced by multifarious agents remains a significant challenge. Spindle activity, typically observed during NREM sleep, reflects synchronized thalamocortical activity and is characterized by a frequency range of 7-15 Hz and a duration of 0.
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