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Mitochondrial Mayhem: How cigarette smoke induces placental dysfunction through MMS19 degradation.
Ecotoxicol Environ Saf
January 2025
Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China. Electronic address:
Cigarette smoke (CS) has detrimental effects on placental growth and embryo development, but the underlying mechanisms remain unclear. This study aims to investigate the impact of CS on trophoblast cell proliferation and regulated cell death (RCD) by examining its interference with iron-sulfur cluster (ISC) proteins and the CIA pathway. Exposure to CS disrupted the cytosolic ISC assembly (CIA) pathway, downregulated ISC proteins, and decreased ISC maturation in the placenta of rats exposed to passive smoking.
View Article and Find Full Text PDFCyto-Genotoxic Assessment of Sulfoxaflor in Allium cepa Root Cells and DNA Docking Studies.
Microsc Res Tech
January 2025
Molecular Biology and Genetics Department, Faculty of Engineering and Natural Sciences, Uşak University, Uşak, Turkey.
Sulfoxaflor (SFX) is an insecticide that is commonly used for the control of sap-feeding insects. Since SFX is extensively applied globally, it has been implicated in the substantial induction of environmental toxicity. Therefore, in this study, Allium cepa roots have been employed to elucidate the potential cytogenotoxic effects of SFX in non-target cells by examination of mitotic index (MI), chromosomal aberrations (CAs), and DNA damage.
View Article and Find Full Text PDFIschemic stroke (IS) often causes fearful sequela, even death. Curcumin was beneficial to IS, but its underlying molecular mechanism is unclear. Mice were subjected to middle cerebral artery occlusion (MCAO) surgery, and BV-2 cells were treated with oxygen-glucose deprivation/reoxygenation (OGD/R) induction to establish IS models in vivo and in vitro.
View Article and Find Full Text PDFMicroenvironmental Regulation of Dormancy in Breast Cancer Metastasis: "An Ally that Changes Allegiances".
Adv Exp Med Biol
January 2025
Laboratory of Tumor Heterogeneity, Metastasis and Resistance, Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland.
Breast cancer remission after treatment is sometimes long-lasting, but in about 30% of cases, there is a relapse after a so-called dormant state. Cellular cancer dormancy, the propensity of disseminated tumor cells (DTCs) to remain in a nonproliferative state for an extended period, presents an opportunity for therapeutic intervention that may prevent reawakening and the lethal consequences of metastatic outgrowth. Therefore, identification of dormant DTCs and detailed characterization of cancer cell-intrinsic and niche-specific [i.
View Article and Find Full Text PDFEpigenetics in Learning and Memory.
Subcell Biochem
January 2025
Faculty of Medicine and Faculty of Life Sciences, Institute of Biomedical Sciences (ICB), Universidad Andres Bello, Santiago, Chile.
In animals, memory formation and recall are essential for their survival and for adaptations to a complex and often dynamically changing environment. During memory formation, experiences prompt the activation of a selected and sparse population of cells (engram cells) that undergo persistent physical and/or chemical changes allowing long-term memory formation, which can last for decades. Over the past few decades, important progress has been made on elucidating signaling mechanisms by which synaptic transmission leads to the induction of activity-dependent gene regulation programs during the different phases of learning (acquisition, consolidation, and recall).
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