A systematic review of evidence for silver nanoparticle-induced mitochondrial toxicity
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© The Royal Society of Chemistry 2016.Silver nanoparticles (AgNPs) are extensively used for their antibacterial properties in a diverse set of applications, ranging from the treatment of municipal wastewater to infection control in hospitals. However, the properties of AgNPs that render them conducive to bactericidal use in commerce may influence their potential toxicity to non-bacterial organisms. Based on the physiological and phylogenetic similarities between bacteria and mitochondria within eukaryotic cells, mitochondria are a likely intracellular target of AgNP toxicity. Mitochondria-specific outcomes of AgNP exposures have been identified in multiple cell types, including (but not limited to) loss of membrane potential, inhibition of enzymes involved in oxidative phosphorylation, and changes in calcium sequestration. However, the biological significance of mitochondrial toxicity due to AgNP exposure is currently incompletely understood. This review examines the existing evidence of mitochondrial toxicity induced by AgNP exposure, with discussions of the role of the physicochemical properties of the nanoparticles themselves in mitochondrial toxicity. The impacts of potentially differential cell- and tissue-specific significance of AgNP-induced mitochondrial dysfunction are also discussed.
Published Version (Please cite this version)10.1039/c5en00187k
Publication InfoMaurer, LL; & Meyer, Joel (2016). A systematic review of evidence for silver nanoparticle-induced mitochondrial toxicity. Environmental Science: Nano, 3(2). pp. 311-322. 10.1039/c5en00187k. Retrieved from http://hdl.handle.net/10161/12420.
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Truman and Nellie Semans/Alex Brown and Sons Associate Professor of Molecular Environmental Toxicology
Dr. Meyer studies the effects of toxic agents and stressors on human and wildlife health. He is particularly interested in understanding the mechanisms by which environmental agents cause DNA damage, the molecular processes that organisms employ to protect prevent and repair DNA damage, and genetic differences that may lead to increased or decreased sensitivity to DNA damage. Mitochondrial DNA damage and repair, as well as mitochondrial function in general, are a particular focus. He studies