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Akter M, Sikder MT, Rahman MM, Ullah AA, Hossain KFB, Banik S, Hosokawa T, Saito T, Kurasaki M. A systematic review on silver nanoparticles-induced cytotoxicity: Physicochemical properties and perspectives. J Adv Res 2018; 9:1-16. [PMID: 30046482 PMCID: PMC6057238 DOI: 10.1016/j.jare.2017.10.008] [Citation(s) in RCA: 561] [Impact Index Per Article: 93.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 10/24/2017] [Accepted: 10/25/2017] [Indexed: 12/14/2022] Open
Abstract
With the development of nanotechnology, silver nanoparticles (Ag-NPs) have become one of the most in-demand nanoparticles owing to their exponential number of uses in various sectors. The increased use of Ag-NPs-enhanced products may result in an increased level of toxicity affecting both the environment and living organisms. Several studies have used different model cell lines to exhibit the cytotoxicity of Ag-NPs, and their underlying molecular mechanisms. This review aimed to elucidate different properties of Ag-NPs that are responsible for the induction of cellular toxicity along with the critical mechanism of action and subsequent defense mechanisms observed in vitro. Our results show that the properties of Ag-NPs largely vary based on the diversified synthesis processes. The physiochemical properties of Ag-NPs (e.g., size, shape, concentration, agglomeration, or aggregation interaction with a biological system) can cause impairment of mitochondrial function prior to their penetration and accumulation in the mitochondrial membrane. Thus, Ag-NPs exhibit properties that play a central role in their use as biocides along with their applicability in environmental cleaning. We herein report a current review of the synthesis, applicability, and toxicity of Ag-NPs in relation to their detailed characteristics.
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Key Words
- Ag+, silver ions
- Ag-NPs, silver nanoparticles
- Cytotoxicity
- DNA, deoxyribonucleic acid
- GSH, glutathione
- LDH, lactate dehydrogenase
- Mechanism
- NPs, nanoparticles
- PVP, polyvinylpyrrolidone
- Physiochemical properties
- ROS, reactive oxygen species
- Silver nanoparticles
- TMRE, tetramethylrhodamine ethyl ester
- TT, toxicity threshold
- ppm, parts per million
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Affiliation(s)
- Mahmuda Akter
- Graduate School of Environmental Science, Hokkaido University, 060-0810 Sapporo, Japan
| | - Md. Tajuddin Sikder
- Group of Environmental Adaptation Science, Faculty of Environmental Earth Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, 060-0810 Sapporo, Japan
- Faculty of Health Sciences, Hokkaido University, Sapporo 060-0817, Japan
- Department of Public Health and Informatics, Jahangirnagar University, Bangladesh
| | - Md. Mostafizur Rahman
- Graduate School of Environmental Science, Hokkaido University, 060-0810 Sapporo, Japan
| | - A.K.M. Atique Ullah
- Chemistry Division, Atomic Energy Centre, Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh
| | | | - Subrata Banik
- Graduate School of Environmental Science, Hokkaido University, 060-0810 Sapporo, Japan
| | - Toshiyuki Hosokawa
- Research Division of Higher Education, Institute for the Advancement of Higher Education, Hokkaido University, Sapporo 060-0817, Japan
| | - Takeshi Saito
- Faculty of Health Sciences, Hokkaido University, Sapporo 060-0817, Japan
| | - Masaaki Kurasaki
- Graduate School of Environmental Science, Hokkaido University, 060-0810 Sapporo, Japan
- Group of Environmental Adaptation Science, Faculty of Environmental Earth Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, 060-0810 Sapporo, Japan
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Shi X, Osaki H, Matsunomoto Y, Fujita C, Shinohe D, Ashida N, Choi H, Ohta Y. Partial contribution of mitochondrial permeability transition to t-butyl hydroperoxide-induced cell death. Biochem Biophys Rep 2016; 7:33-38. [PMID: 28955886 PMCID: PMC5613252 DOI: 10.1016/j.bbrep.2016.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 05/02/2016] [Accepted: 05/06/2016] [Indexed: 11/28/2022] Open
Abstract
Mitochondrial permeability transition (MPT) is thought to determine cell death under oxidative stress. However, MPT inhibitors only partially suppress oxidative stress-induced cell death. Here, we demonstrate that cells in which MPT is inhibited undergo cell death under oxidative stress. When C6 cells were exposed to 250 μM t-butyl hydroperoxide (t-BuOOH), the loss of a membrane potential-sensitive dye (tetramethylrhodamine ethyl ester, TMRE) from mitochondria was observed, indicating mitochondrial depolarization leading to cell death. The fluorescence of calcein entrapped in mitochondria prior to addition of t-BuOOH was significantly decreased to 70% after mitochondrial depolarization. Cyclosporin A suppressed the decrease in mitochondrial calcein fluorescence, but not mitochondrial depolarization. These results show that t-BuOOH induced cell death even when it did not induce MPT. Prior to MPT, lactate production and respiration were hampered. Taken together, these data indicate that the decreased turnover rate of glycolysis and mitochondrial respiration may be as vital as MPT for cell death induced under moderate oxidative stress. Cell death was induced in C6 cells by 250 μM t-BuOOH. Mitochondrial permeability transition (MPT) occurred before cell death. MPT was confirmed by observing calcein fluorescence in mitochondria. MPT inhibition did not prevent depolarization of mitochondria and cell death. Contribution of MPT to cell death is partial under moderate oxidative stress.
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Key Words
- AM, acetoxymethyl ester
- Cell death
- CsA, cyclosporin A
- DMEM, Dulbecco's modified Eagle's medium
- FBS, fetal bovine serum
- HBS, HEPES-buffered saline
- MPT, mitochondrial permeability transition
- Mitochondria
- Mitochondrial permeability transition pore
- Oxidative stress
- PPIase, peptidylprolyl cis-trans isomerase
- ROS, reactive oxygen species
- TMRE, tetramethylrhodamine ethyl ester
- t-BuOOH, t-butyl hydroperoxide
- t-butyl hydroperoxide
- ΔΨm, mitochondrial membrane potential
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Affiliation(s)
- Xiaolei Shi
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
| | - Hikaru Osaki
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
| | - Yoshihiro Matsunomoto
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
| | - Chisako Fujita
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
| | - Daisuke Shinohe
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
| | - Naoko Ashida
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
| | - Hyunjin Choi
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
| | - Yoshihiro Ohta
- Division of Biotechnology and Life Sciences, Institute of Engineering, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
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