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Comparison of clinical artificial oocyte activation protocols on mouse egg activation and embryo development.
Reproduction
January 2025
D Cohen, Fundación IBYME. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)., Instituto de Biología y Medicina Experimental, Buenos Aires, Argentina.
Artificial oocyte activation (AOA) with Ca2+ ionophores is an experimental procedure that benefits patients who fail to obtain fertilized eggs. However, the impact of non-physiological Ca2+ increases on cellular events involved in egg-embryo transition and early development remains poorly understood. Using the mouse model, this study compares common Ca2+ ionophore protocols applied in clinical practice - one or two exposures to A23187 or a single exposure to ionomycin - focusing on embryonic development and cellular events associated with egg activation.
View Article and Find Full Text PDFSynthetic Cannabinoids are Genotoxic in Cultured Human Lymphocytes.
Curr Pharm Des
January 2025
Department of Pharmacy Practice and Pharmacotherapeutics, University of Sharjah, Sharjah, UAE.
Background: Synthetic cannabinoids are one of the most identified abused drugs nowadays. Their popularity is due to their psychoactive effects, which resemble delta 9 tetrahydrocannabinol. This study investigates the genotoxic potential of three synthetic cannabinoids of indazole-passed drugs, AB-Fubinaca, AMBFubinaca, and EMB-Fubinaca (at a final concentration of 200 nM).
View Article and Find Full Text PDFNKX6.3 modulation of mitotic dynamics and genomic stability in gastric carcinogenesis.
Cell Commun Signal
January 2025
Department of Pathology, Functional RNomics Research Center, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, South Korea.
Background: Gastric cancer remains a significant global health challenge, characterized by poor prognosis and high mortality rates. Mitotic integrity and genomic stability are crucial in maintaining cellular homeostasis and preventing tumorigenesis. The transcription factor NKX6.
View Article and Find Full Text PDFInsights into NEK2 inhibitors as antitumor agents: From mechanisms to potential therapeutics.
Eur J Med Chem
January 2025
Department of Respiratory and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Healthand, Department of Frontiers Science Center for Disease-related Molecular Network, Core Facilities, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China. Electronic address:
NEK2, a serine/threonine protein kinase, is integral to mitotic events such as centrosome duplication and separation, microtubule stabilization, spindle assembly checkpoint, and kinetochore attachment. However, NEK2 overexpression leads to centrosome amplification and chromosomal instability, which are significantly associated with various malignancies, including liver, breast, and non-small cell lung cancer. This overexpression could facilitate tumor development and confer resistance to therapy by promoting aberrant cell division and centrosome amplification.
View Article and Find Full Text PDFNon-Myxoid Solid Variant of Extraskeletal Myxoid Chondrosarcoma: An Underrecognized Subtype.
Hum Pathol
January 2025
Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA. Electronic address:
Introduction: Extraskeletal myxoid chondrosarcoma (EMC) is a rare sarcoma defined by NR4A3 gene rearrangements, typically featuring uniform cells with eosinophilic cytoplasm and mild atypia, arranged in cords or clusters within a chondromyxoid stroma. A cellular variant, characterized by increased cellular density and a solid growth pattern, has been recognized.
Methods: We encountered three cases of round cell sarcomas, diagnosed as EMC based on NR4A3 or NR4A2 rearrangements.
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