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Exploring ferroptosis and miRNAs: implications for cancer modulation and therapy.
Mol Cell Biochem
January 2025
Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, P.O. Box: 14115-154, Tehran, Iran.
Ferroptosis is a novel, iron-dependent form of non-apoptotic cell death characterized by the accumulation of lipid reactive oxygen species (ROS) and mitochondrial shrinkage. It is closely associated with the onset and progression of various diseases, especially cancer, at all stages, making it a key focus of research for developing therapeutic strategies. Numerous studies have explored the role of microRNAs (miRNAs) in regulating ferroptosis by modulating the expression of critical genes involved in iron metabolism and lipid peroxidation.
View Article and Find Full Text PDFThe underlying mechanisms of the association of bone health with depression - an experimental study.
Mol Biol Rep
January 2025
Medical Sociology and Psychobiology, Department of Health and Physical Activity, University of Potsdam, 14469, Potsdam, Germany.
Background: Depression constitutes a risk factor for osteoporosis, but underlying molecular and cellular mechanisms are not fully understood. MiRNAs influence gene expression and are carried by extracellular vesicles (EV), affecting cell-cell communication.
Aims: (1) Identify the difference in miRNA expression between depressed patients and healthy controls; (2) Analyze associations of these miRNAs with bone turnover markers; (3) Analyze target genes of differentially regulated miRNAs and predict associated pathways regarding depression and bone metabolism.
[microRNAs: regulators of metamorphosis in insects].
Biol Aujourdhui
January 2025
Sorbonne Université, Université Paris-Est Créteil, INRAE, CNRS, IRD, Institut d'écologie et des sciences de l'environnement de Paris (iEES Paris), 4 place Jussieu, F-75005 Paris, France.
In the animal kingdom, metamorphosis is a well-known developmental transition within various taxa (Cnidarians, Echinoderms, Molluscs, Arthropods, Vertebrates, etc.), which is characterized by the switching from a larval stage to an adult form through the induction of morpho-anatomical, physiological, behavioral, and/or ecological changes. Over the last decades, numerous studies have focused on the hormonal control of cellular processes underlying metamorphosis.
View Article and Find Full Text PDFIntercellular Epigenomic Signalling via Extracellular Vesicles During B Cell Maturation.
J Extracell Vesicles
January 2025
Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland.
B cell maturation is crucial for effective adaptive immunity. It requires a complex signalling network to mediate antibody diversification through mutagenesis. B cells also rely on queues from other cells within the germinal centre.
View Article and Find Full Text PDFAstrocyte-derived exosomes regulate sperm miR-34c levels to mediate the transgenerational effects of paternal chronic social instability stress.
Epigenetics
December 2025
Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA, USA.
The effects of chronically stressing male mice can be transmitted across generations by stress-specific changes in their sperm miRNA content, which induce stress-specific phenotypes in their offspring. However, how each stress paradigm alters the levels of distinct sets of sperm miRNAs is not known. We showed previously that exposure of male mice to chronic social instability (CSI) stress results in elevated anxiety and reduced sociability specifically in their female offspring across multiple generations because it reduces miR-34c levels in sperm of stressed males and their unstressed male offspring.
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