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Aragão WAB, Bittencourt LO, Lima LADO, de Souza MPC, Nogueira LS, Dionizio A, Buzalaf MAR, de Oliveira EHC, Crespo-Lopez ME, Lima RR. DNA Damage and Proteomic Profile Changes in Rat Salivary Glands After Chronic Exposure to Inorganic Mercury. Biol Trace Elem Res 2022; 200:3983-3995. [PMID: 35013890 DOI: 10.1007/s12011-021-02986-7] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/20/2021] [Indexed: 11/02/2022]
Abstract
Mercury (Hg) is a toxic metal that became a public health problem due to environmental contamination caused by anthropogenic activity. In this sense, oral homeostasis can undergo changes due to the toxic effects of metal on the salivary glands. Therefore, our objective was to investigate the proteomic and genotoxic changes in salivary glands after exposure to inorganic mercury (IHg). Forty Wistar rats that were divided into a control group, which received distilled water, and an exposed group, which received 0.375 mg/kg of mercury chloride for 45 days via orogastric gavage. After that, the animals were euthanized, and the parotid and submandibular glands were collected for analysis of the genotoxic effects, using the comet assay and proteome global profile assessment. The results showed that IHg promoted damage to cellular DNA associated with proteomic changes that showed events such as oxidative stress, mitochondrial dysfunction, changes in the cytoskeleton, and apoptosis. Therefore, these findings show a profile of molecular changes due to the interactions of IHg with several proteins and mechanisms inherent to the cell, which consequently may result in dysfunction of the salivary glands and impaired homeostasis of the oral cavity.
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Affiliation(s)
- 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, 66075-110, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, 66075-110, Brazil
| | - Leidiane Alencar de Oliveira Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street, n. 01, Guamá, Belém, 66075-110, Brazil
| | | | - Lygia Sega Nogueira
- Laboratory of Cell Culture and Cytogenetics, Environment Section, Evandro Chagas Institute, Ananindeua, Brazil
| | - Aline Dionizio
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | | | | | - Maria Elena Crespo-Lopez
- Laboratory of Molecular Pharmacology, 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, Augusto Corrêa Street, n. 01, Guamá, Belém, 66075-110, Brazil.
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Miranda GHN, Alencar de Oliveira Lima L, Bittencourt LO, dos Santos SM, Platini Caldas de Souza M, Nogueira LS, de Oliveira EHC, Monteiro MC, Dionizio A, Leite AL, Pessan JP, Buzalaf MAR, Lima RR. Effects of long-term fluoride exposure are associated with oxidative biochemistry impairment and global proteomic modulation, but not genotoxicity, in parotid glands of mice. PLoS One 2022; 17:e0261252. [PMID: 35085268 PMCID: PMC8794182 DOI: 10.1371/journal.pone.0261252] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 11/25/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Fluoride has become widely used in dentistry because of its effectiveness in caries control. However, evidence indicates that excessive intake interferes with the metabolic processes of different tissues. Thus, this study aimed to investigate the effects of long-term exposure to F on the parotid salivary gland of mice, from the analysis of oxidative, proteomic and genotoxic parameters. MATERIALS AND METHODS The animals received deionized water containing 0, 10 or 50 mg/L of F, as sodium fluoride, for 60 days. After, parotid glands were collected for analysis of oxidative biochemistry, global proteomic profile, genotoxicity assessment and histopathological analyses. RESULTS The results revealed that exposure to fluoride interfered in the biochemical homeostasis of the parotid gland, with increased levels of thiobarbituric acid reactive species and reduced glutathione in the exposed groups; as well as promoted alteration of the glandular proteomic profile in these groups, especially in structural proteins and proteins related to oxidative stress. However, genotoxic assessment demonstrated that exposure to fluoride did not interfere with DNA integrity in these concentrations and durations of exposure. Also, it was not observed histopathological alterations in parotid gland. CONCLUSIONS Thus, our results suggest that long-term exposure to fluoride promoted modulation of the proteomic and biochemical profile in the parotid glands, without inducing damage to the genetic component. These findings reinforce the importance of rationalizing the use of fluorides to maximize their preventative effects while minimizing the environmental risks.
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Affiliation(s)
- Giza Hellen Nonato Miranda
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
| | | | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
| | - Sávio Monteiro dos Santos
- Laboratory of Clinical Immunology and Oxidative Stress, Pharmacy Faculty, Institute of Health Science, Federal University of Pará, Belém, PA, Brazil
| | | | | | | | - Marta Chagas Monteiro
- Laboratory of Clinical Immunology and Oxidative Stress, Pharmacy Faculty, Institute of Health Science, Federal University of Pará, Belém, PA, Brazil
| | - Aline Dionizio
- Department of Biological Sciences, Bauru Dental School, University of São Paulo, Bauru, SP, Brazil
| | - Aline Lima Leite
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, United States of America
| | - Juliano Pelim Pessan
- Department of Preventive and Restorative Dentistry, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | | | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
- * E-mail:
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Lima LADO, Miranda GHN, Aragão WAB, Bittencourt LO, Dos Santos SM, de Souza MPC, Nogueira LS, de Oliveira EHC, Monteiro MC, Dionizio A, Leite AL, Pessan JP, Buzalaf MAR, Lima RR. Effects of Fluoride on Submandibular Glands of Mice: Changes in Oxidative Biochemistry, Proteomic Profile, and Genotoxicity. Front Pharmacol 2021; 12:715394. [PMID: 34646132 PMCID: PMC8503261 DOI: 10.3389/fphar.2021.715394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 05/26/2021] [Accepted: 08/04/2021] [Indexed: 01/21/2023] Open
Abstract
Although fluoride (F) is well-known to prevent dental caries, changes in cell processes in different tissues have been associated with its excessive exposure. Thus, this study aimed to evaluate the effects of F exposure on biochemical, proteomic, and genotoxic parameters of submandibular glands. Twenty one old rats (n = 30) were allocated into three groups: 60 days administration of drinking water containing 10 mgF/L, 50 mgF/L, or only deionized water (control). The submandibular glands were collected for oxidative biochemistry, protein expression profile, and genotoxic potential analyses. The results showed that both F concentrations increased the levels of thiobarbituric acid–reactive substances (TBARS) and reduced glutathione (GSH) and changed the proteomic profile, mainly regarding the cytoskeleton and cellular activity. Only the exposure to 50 mgF/L induced significant changes in DNA integrity. These findings reinforce the importance of continuous monitoring of F concentration in drinking water and the need for strategies to minimize F intake from other sources to obtain maximum preventive/therapeutic effects and avoid potential adverse effects.
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Affiliation(s)
| | - Giza Hellen Nonato Miranda
- 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
| | - Sávio Monteiro Dos Santos
- Laboratory of Clinical Immunology and Oxidative Stress, Faculty of Pharmacy, Institute of Health Sciences, Federal University of Pará, Belém, Brazil
| | | | - Lygia S Nogueira
- Laboratory of Cell Culture and Cytogenetics, Environment Section, Evandro Chagas Institute, Ananindeua, Brazil
| | | | - Marta Chagas Monteiro
- Laboratory of Clinical Immunology and Oxidative Stress, Faculty of Pharmacy, Institute of Health Sciences, Federal University of Pará, Belém, Brazil
| | - Aline Dionizio
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
| | - Aline Lima Leite
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Juliano Pelim Pessan
- Department of Preventive and Restorative Dentistry, School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil
| | | | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
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Souza-Monteiro D, Ferreira RDO, Eiró LG, de Oliveira Lima LA, Balbinot GS, da Paz SPA, Albuquerque ARL, Collares FM, Angélica RS, Pessanha S, do Socorro Ferraz Maia C, Lima RR. Long-term exposure to low doses of aluminum affects mineral content and microarchitecture of rats alveolar bone. Environ Sci Pollut Res Int 2021; 28:45879-45890. [PMID: 33881690 DOI: 10.1007/s11356-021-13937-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 12/15/2020] [Accepted: 04/09/2021] [Indexed: 06/12/2023]
Abstract
Aluminum (Al) is one of the most found elements in nature in many forms, and human exposure can be quite common. Therefore, it is important to investigate the effects of exposure to Al mainly at low doses and for a prolonged period, in order to simulate human exposure in the periodontium, an important structure for support and protection of the teeth. This investigation aimed to study the aluminum chloride (AlCl3) toxicological effects in the mineral composition and micromorphology of the alveolar bone of rats. Two groups of eight male Wistar rats were used for the experiment. AlCl3 group was exposed to AlCl3 orally at a dose of 8.3 mg/kg/day for 60 days, while the control group received only distilled water. After that, the mandibles were collected and submitted to the following analyses: Fourier transform infrared spectroscopy, Raman spectroscopy, and X-ray microtomography analysis; blood was also collected for determination of Al circulating levels. Our data showed that AlCl3 was capable of increasing Al circulating levels in blood. It was able to promote changes in the mineral content and triggers significant changes in the mineralized bone microstructure, such as number and thickness of trabeculae, being associated with alveolar bone-loss.
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Affiliation(s)
- Deiweson Souza-Monteiro
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa, n1, Belém, 66075-110, Pará, Brazil
| | - Railson de Oliveira Ferreira
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa, n1, Belém, 66075-110, Pará, Brazil
| | - Luciana Guimarães Eiró
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa, n1, Belém, 66075-110, Pará, Brazil
| | - Leidiane Alencar de Oliveira Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa, n1, Belém, 66075-110, Pará, Brazil
| | - Gabriela Souza Balbinot
- Dental Material Laboratory, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | | | | | - Fabricio Mezzomo Collares
- Dental Material Laboratory, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Rômulo Simões Angélica
- Laboratory of X-Ray Diffraction, Institute of Geosciences, Federal University of Pará, Belém, Pará, Brazil
| | - Sofia Pessanha
- Laboratory of Instrumentation, Biomedical Engineering and Radiation Physics, NOVA School of Science and Technology, Campus Caparica, 2829-516, Caparica, Portugal
| | - Cristiane do Socorro Ferraz Maia
- Laboratory of Pharmacology of Inflammation and Behavior, Faculty of Pharmacy, Institute of Health Science, Federal University of Pará, Belém, Pará, Brazil
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa, n1, Belém, 66075-110, Pará, Brazil.
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Abdel-Shafy EA, Abdel-Wahhab MA, Abdollahi M, Abdurahman NH, Adefegha SA, Adeyemi WJ, Agus HH, Alabi QK, Alara OR, Alarcón Yaquetto DE, Al-Hady DA, Ali SA, Al-Talhi T, Alvarenga MOP, Aly HF, Al-Yasi HMM, Anadón A, Aragão WAB, Ares I, Arici MA, Arriaga-Alba M, Arumugam T, Atalar MN, Aydin Y, Ayhllon-Osorio CA, Basta G, Battal A, Bittencourt LO, Boşgelmez İİ, Butanda-Ochoa A, CAM I, Capanoglu E, Catalkaya G, Cervelli T, Ceylan FD, Chemelo VDS, Chen Y, Chuturgoon AA, Colle D, Costa ACO, Del Turco S, Diab AEAA, Dludla PV, Dogan A, Eiró LG, Eken A, El-Megharbel SM, El-Nekeety AA, Erkan M, Farina M, Feng Y, Fernandes RM, Ferreira MKM, Fett R, Flampouri E, Ghazi T, Gobouri AA, Gonzaga LV, Gonzales GF, Graciela KA, Grzelak A, Guldiken B, Hamza RZ, Han Q, Hassani S, Heidari R, Hernández-Muñoz R, Ibrahim NA, Ilhan M, J T, Juanita B, Kechrid Z, Khiari M, Klibet F, KOC U, Kovács M, Kowalczyk T, Krishnaiah D, Kronberg MF, Kruszewski M, Lima LADO, Lima RR, López-Vargas MR, Louw J, Malekirad AA, Martínez MA, Martínez-Larrañaga MR, Marzouki L, Mazibuko-Mbeje SE, Mehrzad J, Merzouk AS, Merzouk H, Mézes M, Miranda GHN, Molehin OR, Momtaz S, Montero-Montoya R, Munarriz ER, Mxinwa V, Nascimento PC, Nkambule BB, Nyambuya TM, Ommati MM, Orlando P, Orta Yilmaz B, Ozkan G, Pang J, Patel VB, Paz Aparicio VM, Preedy VR, Puty B, Rajendram R, Ralston NV, Raymond LJ, Ren J, Rossen A, Rtibi K, Sak K, Schulz M, Sebai H, Serrano-Contreras JI, Sheik Abdul N, Silvestri S, Silvia LA, Sitarek P, Skała E, Şlencu BG, Śliwiński T, Sun R, Szabó A, Terpilowska S, Tiano L, Torres-Santiago G, Tuncok Y, Türkan F, Wang N, Wang S, Xu C, Xu F, Yildizbayrak N, Zepeda-Vallejo LG, Zhang C, Zhang Y, Zheng Y. Contributors. Toxicology 2021. [DOI: 10.1016/b978-0-12-819092-0.09990-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Fagundes NCF, Couto RSD, Brandão APT, Lima LADO, Bittencourt LDO, Souza-Rodrigues RDD, Freire MAM, Maia LC, Lima RR. Association between Tooth Loss and Stroke: A Systematic Review. J Stroke Cerebrovasc Dis 2020; 29:104873. [DOI: 10.1016/j.jstrokecerebrovasdis.2020.104873] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 04/03/2020] [Accepted: 04/05/2020] [Indexed: 10/24/2022] Open
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Lima LADO, Bittencourt LO, Puty B, Fernandes RM, Nascimento PC, Silva MCF, Alves-Junior SM, Pinheiro JDJV, Lima RR. Methylmercury Intoxication Promotes Metallothionein Response and Cell Damage in Salivary Glands of Rats. Biol Trace Elem Res 2018; 185:135-142. [PMID: 29332268 DOI: 10.1007/s12011-017-1230-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 12/20/2017] [Indexed: 12/20/2022]
Abstract
Environmental and occupational mercury exposure is considered a major public health issue. Despite being well known that MeHg exposure causes adverse effects in several physiologic functions, MeHg effects on salivary glands still not completely elucidated. Here, we investigated the cellular MeHg-induced damage in the three major salivary glands (parotid, submandibular, and sublingual) of adult rats after chronic, systemic and low doses of MeHg exposure. Rats were exposed by 0.04 mg/kg/day over 60 days. After that, animals were euthanized and all three glands were collected. We evaluated total Hg accumulation, metallothionein I/II (MT I/II), α-smooth muscle actin (α-SMA), and cytokeratin 18 (CK18) immune expression. Our results have showed that MeHg is able to disrupt gland tissue and to induce a protective mechanism by MT I/II expression. We also showed that cell MT production is not enough to protect gland tissue against cellular structural damage seen by reducing marking of cytoskeletal proteins as CK18 and α-SMA. Our data suggest that chronic MeHg exposure in low-daily doses is able to induce cellular damage in rat salivary glands.
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Affiliation(s)
- Leidiane Alencar de Oliveira Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Para, Street Augusto Correa N. 01, Guamá, Belém, Para, 66075-900, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Para, Street Augusto Correa N. 01, Guamá, Belém, Para, 66075-900, Brazil
| | - Bruna Puty
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Para, Street Augusto Correa N. 01, Guamá, Belém, Para, 66075-900, Brazil
| | - Rafael Monteiro Fernandes
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Para, Street Augusto Correa N. 01, Guamá, Belém, Para, 66075-900, Brazil
| | - Priscila Cunha Nascimento
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Para, Street Augusto Correa N. 01, Guamá, Belém, Para, 66075-900, Brazil
| | - Marcia Cristina Freitas Silva
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Para, Street Augusto Correa N. 01, Guamá, Belém, Para, 66075-900, Brazil
| | | | | | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Para, Street Augusto Correa N. 01, Guamá, Belém, Para, 66075-900, Brazil.
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