Article ; Online: In vitro evaluation of the cytotoxic and genotoxic effects of Al and Mn in ambient concentrations detected in groundwater intended for human consumption.
Ecotoxicology and environmental safety
2023 Volume 264, Page(s) 115415
Abstract: Environmental exposure to metals can induce cytotoxic and genotoxic effects in cells and affect the health of the exposed population. To investigate the effects of aluminum (Al) and manganese (Mn), we evaluated their cytogenotoxicity using peripheral ... ...
| Abstract | Environmental exposure to metals can induce cytotoxic and genotoxic effects in cells and affect the health of the exposed population. To investigate the effects of aluminum (Al) and manganese (Mn), we evaluated their cytogenotoxicity using peripheral blood mononuclear cells (PBMCs) exposed to these metals at previously quantified concentrations in groundwater intended for human consumption. The cell viability, membrane integrity, nuclear division index (NDI), oxidative stress, cell death, cell cycle, and DNA damage were analyzed in PBMCs exposed to Al (0.2, 0.6, and 0.8 mg/L) and Mn (0.1, 0.3, 1.0, and 1.5 for 48 h. We found that Al induced late apoptosis; decreased cell viability, NDI, membrane integrity; and increased DNA damage. However, no significant alterations in the early apoptosis, cell cycle, and reactive oxygen species levels were observed. In contrast, exposure to Mn altered all evaluated parameters related to cytogenotoxicity. Our data show that even concentrations allowed by the Brazilian legislation for Al and Mn in groundwater intended for human consumption cause cytotoxic and genotoxic effects in PBMCs. Therefore, in view of the results found, a comprehensive approach through in vivo investigations is needed to give robustness and validity to the results obtained, thus broadening the understanding of the impacts of metals on the health of environmentally exposed people. |
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| MeSH term(s) | Humans ; Aluminum ; Manganese/toxicity ; Leukocytes, Mononuclear ; Antineoplastic Agents ; Groundwater ; DNA Damage |
| Chemical Substances | Aluminum (CPD4NFA903) ; Manganese (42Z2K6ZL8P) ; Antineoplastic Agents |
| Language | English |
| Publishing date | 2023-09-09 |
| Publishing country | Netherlands |
| Document type | Journal Article |
| ZDB-ID | 436536-7 |
| ISSN | 1090-2414 ; 0147-6513 |
| ISSN (online) | 1090-2414 |
| ISSN | 0147-6513 |
| DOI | 10.1016/j.ecoenv.2023.115415 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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