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Eiró-Quirino L, Lima WFD, Aragão WAB, Bittencourt LO, Mendes PFS, Fernandes RM, Rodrigues CA, Dionízio A, Buzalaf MAR, Monteiro MC, Cirovic A, Cirovic A, Puty B, Lima RR. Exposure to tolerable concentrations of aluminum triggers systemic and local oxidative stress and global proteomic modulation in the spinal cord of rats. Chemosphere 2023; 313:137296. [PMID: 36410523 DOI: 10.1016/j.chemosphere.2022.137296] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 11/04/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
The tolerable aluminum (Al) intake levels for humans are constantly under review by regulatory agencies due to novel pre-clinical evidence on the neurotoxicity of prolonged Al exposure; however, little is known about the effects of Al on the spinal cord. This study aimed to investigate potential adverse effects on both spinal cord and systemic biochemical balance after prolonged exposure to a low dose of Al. Twenty adult rats were distributed in the control (distilled water) and exposed group (8.3 mg of AlCl3/kg/day). After 60 days, both blood and spinal cord samples were collected for oxidative stress and proteomic analyses. In plasma and erythrocytes, glutathione level was not different between groups; however, exposure to AlCl3 significantly decreased glutathione level in the spinal cord. Thiobarbituric acid reactive substances levels in the plasma and spinal cord of animals from the control group were significantly lower than those animals exposed to AlCl3. Exposure to AlCl3 significantly modulated the expression of proteins associated with the cell cycle, stimulus-response, cytoskeleton, nervous system regulation, protein activity, and synaptic signaling. Therefore, prolonged exposure to a low dose of Al triggered oxidative stress and proteomic changes that may affect spinal cord homeostasis.
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Affiliation(s)
- Luciana Eiró-Quirino
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Weslley Ferreira de Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Walessa Alana Bragança Aragão
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Paulo Fernando Santos Mendes
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Rafael Monteiro Fernandes
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Caroline Azulay Rodrigues
- Laboratory of Clinical Immunology and Oxidative Stress, Pharmacy Faculty, Institute of Health Sciences, Federal University of Pará, Belém, Brazil
| | - Aline Dionízio
- Bauru School of Dentistry, Department of Biological Sciences, University of São Paulo, Bauru, Brazil
| | | | - Marta Chagas Monteiro
- Laboratory of Clinical Immunology and Oxidative Stress, Pharmacy Faculty, Institute of Health Sciences, Federal University of Pará, Belém, Brazil
| | - Ana Cirovic
- University of Belgrade, Faculty of Medicine, Institute of Anatomy, Belgrade, Serbia
| | - Aleksandar Cirovic
- University of Belgrade, Faculty of Medicine, Institute of Anatomy, Belgrade, Serbia
| | - Bruna Puty
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil.
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Bittencourt LO, Damasceno-Silva RD, Aragão WAB, Eiró-Quirino L, Oliveira ACA, Fernandes RM, Freire MAM, Cartágenes SC, Dionizio A, Buzalaf MAR, Cassoli JS, Cirovic A, Cirovic A, Maia CDSF, Lima RR. Global Proteomic Profile of Aluminum-Induced Hippocampal Impairments in Rats: Are Low Doses of Aluminum Really Safe? Int J Mol Sci 2022; 23:ijms232012523. [PMID: 36293377 PMCID: PMC9603961 DOI: 10.3390/ijms232012523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/12/2022] [Accepted: 09/29/2022] [Indexed: 11/21/2022] Open
Abstract
Hippocampus is the brain area where aluminum (Al) accumulates in abundance and is widely associated with learning and memory. In the present study, we evaluate behavioral, tissue, and proteomic changes in the hippocampus of Wistar rats caused by exposure to doses that mimic human consumption of aluminum chloride (AlCl3) in urban areas. For this, male Wistar rats were divided into two groups: Control (distilled water) and AlCl3 (8.3 mg/kg/day), both groups were exposed orally for 60 days. After the Al exposure protocol, cognitive functions were assessed by the Water maze test, followed by a collection for analysis of the global proteomic profile of the hippocampus by mass spectrometry. Aside from proteomic analysis, we performed a histological analysis of the hippocampus, to the determination of cell body density by cresyl violet staining in Cornu Ammonis fields (CA) 1 and 3, and hilus regions. Our results indicated that exposure to low doses of aluminum chloride triggered a decreased cognitive performance in learning and memory, being associated with the deregulation of proteins expression, mainly those related to the regulation of the cytoskeleton, cellular metabolism, mitochondrial activity, redox regulation, nervous system regulation, and synaptic signaling, reduced cell body density in CA1, CA3, and hilus.
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Affiliation(s)
- Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Rakhel Dayanne Damasceno-Silva
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Walessa Alana Bragança Aragão
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Luciana Eiró-Quirino
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Ana Carolina Alves Oliveira
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Rafael Monteiro Fernandes
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Marco Aurelio M. Freire
- Graduate Program in Health and Society, Faculty of Health Sciences, State University of Rio Grande do Norte (UERN), Mossoro 59610210, Brazil
| | - Sabrina Carvalho Cartágenes
- Laboratory of Pharmacology of Inflammation and Behavior, Institute of Health Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Aline Dionizio
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru 05508060, Brazil
| | | | - Juliana Silva Cassoli
- Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Ana Cirovic
- Faculty of Medicine, Institute of Anatomy, University of Belgrade, 11000 Belgrade, Serbia
| | - Aleksandar Cirovic
- Faculty of Medicine, Institute of Anatomy, University of Belgrade, 11000 Belgrade, Serbia
| | - Cristiane do Socorro Ferraz Maia
- Laboratory of Pharmacology of Inflammation and Behavior, Institute of Health Sciences, Federal University of Pará, Belém 66075110, Brazil
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075110, Brazil
- Correspondence:
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de Lima WF, Né YGS, Aragão WAB, Eiró-Quirino L, Baia-da-Silva DC, Cirovic A, Cirovic A, Lima RR. Global Scientific Research Landscape on Aluminum Toxicology. Biol Trace Elem Res 2022; 201:3210-3224. [PMID: 36184718 DOI: 10.1007/s12011-022-03427-9] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 09/15/2022] [Indexed: 11/29/2022]
Abstract
This study aimed to identify the landscape of current aluminum toxicity based on knowledge mapping of the 100 most-cited articles on toxicological aspects of aluminum in biological organisms. The research was searched in the Web of Science Core Collection (WoS-CC) with publications between 1945 and 2022. Data regarding authorship, title, journal, year of publication, citation count, country, keywords, study design, and research hotspots were extracted and all elected articles were analyzed. Our results showed that among the articles selected, literature review and in vivo studies were the most common study designs. The USA and England were found as the countries with most publications. Alzheimer's disease (AD), aluminum, and neurotoxicity were found as the most frequent keywords. The articles most cited in world literature suggested that aluminum exposure is associated with Alzheimer's disease, Parkinson's disease (PD), dialysis encephalopathy, amyotrophic lateral sclerosis, neurodegeneration changes, cognitive impairment, such as bone damage, oxidative alterations, and cytotoxicity.
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Affiliation(s)
- Weslley Ferreira de Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Yago Gecy Sousa Né
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Walessa Alana Bragança Aragão
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Luciana Eiró-Quirino
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Daiane Claydes Baia-da-Silva
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Ana Cirovic
- Faculty of Medicine, Institute of Anatomy, University of Belgrade, Belgrade, Serbia
| | - Aleksandar Cirovic
- Faculty of Medicine, Institute of Anatomy, University of Belgrade, Belgrade, Serbia
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, Pará, 66075-110, Brazil.
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Bittencourt LO, Matta PPM, Nascimento PC, Eiró-Quirino L, Aragão WAB, Dionizio A, Fernandes LMP, Silva MCF, Buzalaf MAR, Aschner M, Crespo-Lopez ME, Maia CSF, Lima RR. Deciphering the Global Proteomic Profile Involved in Methylmercury-Induced Cerebellar Neurodegeneration and Motor Dysfunction in Adult Rats. Toxics 2022; 10:531. [PMID: 36136496 PMCID: PMC9500842 DOI: 10.3390/toxics10090531] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
Mercury is a ubiquitous pollutant in the environment with potential neurotoxic effects. Several populations are susceptible to mercurial exposure, especially methylmercury (MeHg) at low doses for long periods through food consumption. Given this, the present work aimed to assess the effects of long-term MeHg exposure on the cerebellum of rats from a translational perspective using a representative dose, assessing molecular, biochemical, morphological, and behavioral parameters. The model was produced by administering 40 µg/kg of MeHg for 60 days to adult male Wistar rats by oral gavage. As a result of this exposure, the animals presented motor deficits in open field and rotarod tests which were associated with an increase in total mercury content in cerebellar parenchyma, a reduction in antioxidant competence against peroxyl radicals, and increased nitrite and lipid peroxidation levels. The proteomic approach showed 317 modulated proteins. Such findings were associated with reductions in mature neuron and Purkinje cell densities and glial fibrillary acidic protein immunostained areas and increased microglial density. In addition, decreases in myelin basic protein and synaptophysin immunostaining were also observed. The results thus provided new evidence of the mechanisms underlying complex MeHg-induced neurodegeneration, especially the proteins underlying the biochemical and morphological features associated with motor dysfunction.
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Affiliation(s)
- Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Pedro Philipe Moreira Matta
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Priscila Cunha Nascimento
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Luciana Eiró-Quirino
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Walessa Alana Bragança Aragão
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Aline Dionizio
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru 17012-90, SP, Brazil
| | - Luanna Melo Pereira Fernandes
- Department of Morphology and Physiological Sciences, Center of Biological and Health Sciences, State Unversity of Pará, Belém 66087-662, PA, Brazil
| | - Márcia Cristina Freitas Silva
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | | | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Maria Elena Crespo-Lopez
- Laboratory of Molecular Pharmacology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Cristiane Socorro Ferraz Maia
- Laboratory Pharmacology of Inflammation and Behavior, Institute of Health Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
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