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da Silva Araújo PS, da Silveira TB, de Moura FR, Dos Santos Maidana M, de Sousa GRD, de Carvalho Dumith S, da Silva Júnior FMR. Epidemiological profile, temporal analysis, and future projections of suicide cases in rural cities in the extreme south of Brazil. J Toxicol Environ Health A 2023; 86:965-978. [PMID: 37731290 DOI: 10.1080/15287394.2023.2258914] [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] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
The present study aimed to verify the time series (2000-2017) of death rates by suicide and its associated factors in 4 municipalities in the extreme south of Brazil. Data were obtained through the analysis of medical reports and police report bulletins at the Instituto Médico Legal, in the city of Rio Grande. The suicide rate in the Rio Grande region varied from 4 to 11 suicides per 100,000 inhabitants and it is estimated that by 2030 this rate could reach 16.5 suicides per 100,000 inhabitants. The rural cities of Santa Vitória do Palmar and Chuí present even higher suicide averages when compared to Rio Grande, the most populous city of the four. The death rate from suicide increased gradually in the period analyzed, with the prevalence rising among the youngest and the elderly population. A more comprehensive understanding of the influences of environmental issues on suicidal decisions constitutes an important action that needs to be taken, both because of regional vulnerabilities and the target population identified. Evidence indicates that knowledge of factors affecting individuals residing in this Brazilian region where increased suicide rates are recorded needs to be recognized as a priority.
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Affiliation(s)
- Paula Santos da Silva Araújo
- Laboratório de Ensaios Farmacológicos e Toxicológicos - LEFT, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
| | - Tatiane Britto da Silveira
- Laboratório de Ensaios Farmacológicos e Toxicológicos - LEFT, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
| | - Fernando Rafael de Moura
- Laboratório de Ensaios Farmacológicos e Toxicológicos - LEFT, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
| | - Merlyn Dos Santos Maidana
- Laboratório de Ensaios Farmacológicos e Toxicológicos - LEFT, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
| | - Guaraciaba Ribeiro Duarte de Sousa
- Posto Médico-Legal de Rio Grande, Departamento de Perícias do Interior, Instituto Geral de Perícias, Praça Barão de São José do Norte - Rua Aquidaban - Centro, Rio Grande- RS, Brasil
| | - Samuel de Carvalho Dumith
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
| | - Flavio Manoel Rodrigues da Silva Júnior
- Laboratório de Ensaios Farmacológicos e Toxicológicos - LEFT, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande-RS, Brasil
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Tavella RA, El Koury Santos J, de Moura FR, da Silva Júnior FMR. Better understanding the behavior of air pollutants at shutdown times - results of a short full lockdown. Int J Environ Health Res 2023; 33:1525-1532. [PMID: 35917492 DOI: 10.1080/09603123.2022.2105310] [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] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
Numerous studies have evaluated the effects of lockdowns during the COVID-19 pandemic, but most of them have concerned large cities and regions. This study aimed to evaluate the dynamics of air pollutants during and after the implementation of a short lockdown in the medium-sized city of Pelotas, Brazil, using hourly measurements of pollutants. The evaluation period included in this study was between August 9th and 12th, 2020. A machine learning model was used to investigate the expected behavior against what was observed during the study period. All pollutants presented a gradual reduction until a dynamic plateau established 48 hours after the start of the lockdown: NO2 (↓4%), O3 (↓34%), SO2 (↓24%), CO (↓48%), PM10 (↓82%) and PM2.5 (↓82%). At the end of the restriction measures, the PM10 and PM2.5 levels continued to decline beyond expectations. Our findings show that these measures can positively affect the air quality in medium-sized cities.
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Affiliation(s)
- Ronan Adler Tavella
- Universidade Federal do Rio Grande - FURG, Av. Itália km 8 Bairro Carreiros, Rio Grande, RS, Brazil
| | - Jéssica El Koury Santos
- Programa de Pós Graduação em Ciências Ambientais, Centro de Engenharias, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Fernando Rafael de Moura
- Universidade Federal do Rio Grande - FURG, Av. Itália km 8 Bairro Carreiros, Rio Grande, RS, Brazil
| | - Flávio Manoel Rodrigues da Silva Júnior
- Universidade Federal do Rio Grande - FURG, Av. Itália km 8 Bairro Carreiros, Rio Grande, RS, Brazil
- Programa de Pós Graduação em Ciências Ambientais, Centro de Engenharias, Universidade Federal de Pelotas, Pelotas, RS, Brazil
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de Moura FR, da Silva Júnior FMR. Letter to the editor: "Gaps and future directions in research on health effects of air pollution". EBioMedicine 2023; 96:104786. [PMID: 37652854 PMCID: PMC10589417 DOI: 10.1016/j.ebiom.2023.104786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 08/22/2023] [Indexed: 09/02/2023] Open
Affiliation(s)
- Fernando Rafael de Moura
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Campus Carreiros, Rio Grande, RS CEP 96203-900, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS CEP 96203-900, Brazil
| | - Flavio Manoel Rodrigues da Silva Júnior
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Campus Carreiros, Rio Grande, RS CEP 96203-900, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS CEP 96203-900, Brazil.
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Muccillo-Baisch AL, Rafael de Moura F, Penteado JO, Fernandes CLF, Costa Bueno E, Menestrino Garcia E, da Silva Júnior FMR. Beneficial effects of mate-herb, Ilex paraguariensis St. Hil. against potassium dichromate-induced oxidative stress and nephrotoxicity. J Toxicol Environ Health A 2023; 86:446-457. [PMID: 37219520 DOI: 10.1080/15287394.2023.2216231] [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] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Chimarrão is a typical beverage made from the infusion of dried and ground leaves and stems of Ilex paraguariensis (popularly known as Yerba mate or mate herb) which is widely consumed in parts of South America. The aim of this study was to examine the effects of the chimarrão against nephrotoxicity and oxidative stress induced by the potassium dichromate (PD) salt in male Wistar rats. The experiment lasted 17 days, and in the first 15 days animals ingested a chimarrão infusion or control drinking water and then submitted to an intraperitoneal injection (15 mg/kg) of PD (or saline solution) and euthanized after 48 hr at which time animals still received infusion or drinking water. Blood plasma and 24 hr-urine samples were collected to measure creatinine levels as an estimate of glomerular filtration rate (GFR). Concomitantly oxidative stress was determined in the kidneys as evidenced by levels of carbonyl groups, malondialdehyde (MDA) and antioxidant capacity against peroxyl radicals. Potassium dichromate induced oxidative stress in the kidneys and reduced GFR. Treatment with chimarrão during the 15 days prior to PD injection reduced PD salt-mediated oxidative stress. Further, treatment with post-injection chimarrão to PD-administered rats improved the GFR. Our findings support that the use of the chimarrão beverage may be considered as an important nephroprotective substance.
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Affiliation(s)
- Ana Luíza Muccillo-Baisch
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde - Faculdade de Medicina, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
| | - Fernando Rafael de Moura
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde - Faculdade de Medicina, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
| | - Júlia Oliveira Penteado
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde - Faculdade de Medicina, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
| | - Caroline Lopes Feijó Fernandes
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde - Faculdade de Medicina, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
| | - Eduarda Costa Bueno
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
| | | | - Flavio Manoel Rodrigues da Silva Júnior
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
- Programa de Pós-Graduação em Ciências da Saúde - Faculdade de Medicina, Universidade Federal do Rio Grande - FURG, Rio Grande - RS, Brasil
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de Almeida KA, de Moura FR, Lima JV, Garcia EM, Muccillo-Baisch AL, Ramires PF, Penteado JO, da Luz Mathias M, Dias D, da Silva Júnior FMR. Correction: Oxidative damage in the Vesper mouse (Calomys laucha) exposed to a simulated oil spill-a multi-organ study. Ecotoxicology 2023; 32:512. [PMID: 37179280 DOI: 10.1007/s10646-023-02664-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Affiliation(s)
- Krissia Aparecida de Almeida
- LEFT-Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
| | - Fernando Rafael de Moura
- LEFT-Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande-FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Juliane Ventura Lima
- Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande-FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
| | - Edariane Menestrino Garcia
- LEFT-Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
| | - Ana Luíza Muccillo-Baisch
- LEFT-Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande-FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Paula Florencio Ramires
- LEFT-Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande-FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Julia Oliveira Penteado
- LEFT-Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande-FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Maria da Luz Mathias
- Department of Animal Biology, Faculty of Sciences of the University of Lisbon & CESAM-Centre for Environmental and Marine Studies, Campo Grande, 1749-016, Lisbon, Portugal
| | - Deodália Dias
- Department of Animal Biology, Faculty of Sciences of the University of Lisbon & CESAM-Centre for Environmental and Marine Studies, Campo Grande, 1749-016, Lisbon, Portugal
| | - Flavio Manoel Rodrigues da Silva Júnior
- LEFT-Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil.
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande-FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil.
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de Almeida KA, de Moura FR, Lima JV, Garcia EM, Muccillo-Baisch AL, Ramires PF, Penteado JO, da Luz Mathias M, Dias D, da Silva Júnior FMR. Oxidative damage in the Vesper mouse (Calomys laucha) exposed to a simulated oil spill-a multi-organ study. Ecotoxicology 2023; 32:502-511. [PMID: 37118609 DOI: 10.1007/s10646-023-02657-4] [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] [Subscribe] [Scholar Register] [Accepted: 04/20/2023] [Indexed: 05/11/2023]
Abstract
Small wild mammals have been used to measure the damage caused by exposure to oil-contaminated soil, including deer mice. However, the study of toxic effects of crude oil using oxidative damage biomarkers in the wild rodent Calomys laucha (Vesper mouse) is absent. This investigation aimed to evaluate the effects of acute exposure to contaminated soil with different concentrations of crude oil (0, 1, 2, 4 and 8% w/w), simulating an accidental spill, using oxidative stress biomarkers in the liver, kidneys, lungs, testes, paw muscle, and lymphocytes of C. laucha. Animals exposed to the contaminated soil showed increases in lipid peroxidation and protein carbonylation at the highest exposure concentrations in most organ homogenates analyzed and also in blood cells, but responses to total antioxidant capacity were tissue-dependent. These results showed that acute exposure to oil-contaminated soil caused oxidative damage in C. laucha and indicate these small mammals may be susceptible to suffer the impacts of such contamination in its occurrence region, threatening the species' survival.
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Affiliation(s)
- Krissia Aparecida de Almeida
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
| | - Fernando Rafael de Moura
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Juliane Ventura Lima
- Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
| | - Edariane Menestrino Garcia
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
| | - Ana Luíza Muccillo-Baisch
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Paula Florencio Ramires
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Julia Oliveira Penteado
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Maria da Luz Mathias
- Department of Animal Biology, Faculty of Sciences of the University of Lisbon & CESAM - Centre for Environmental and Marine Studies, Campo Grande, 1749-016, Lisbon, Portugal
| | - Deodália Dias
- Department of Animal Biology, Faculty of Sciences of the University of Lisbon & CESAM - Centre for Environmental and Marine Studies, Campo Grande, 1749-016, Lisbon, Portugal
| | - Flavio Manoel Rodrigues da Silva Júnior
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil.
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil.
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da Silva Júnior FMR, de Moura FR, de Lima Brum R, Tavella RA. Air pollution-A look beyond big cities. Integr Environ Assess Manag 2023; 19:295-297. [PMID: 36853074 DOI: 10.1002/ieam.4720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 12/05/2022] [Indexed: 06/18/2023]
Affiliation(s)
- Flavio Manoel Rodrigues da Silva Júnior
- Laboratório de Ensaios Farmacológicos e Toxicológicos (LEFT), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
| | - Fernando Rafael de Moura
- Laboratório de Ensaios Farmacológicos e Toxicológicos (LEFT), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
| | - Rodrigo de Lima Brum
- Laboratório de Ensaios Farmacológicos e Toxicológicos (LEFT), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
| | - Ronan Adler Tavella
- Laboratório de Ensaios Farmacológicos e Toxicológicos (LEFT), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande (FURG), Rio Grande, RS, Brazil
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de Moura FR, da Silva Júnior FMR. 2030 Agenda: discussion on Brazilian priorities facing air pollution and climate change challenges. Environ Sci Pollut Res Int 2023; 30:8376-8390. [PMID: 36481854 PMCID: PMC9734578 DOI: 10.1007/s11356-022-24601-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
The advance of human activities in a disorderly way has accelerated in recent decades, intensifying the environmental impacts directly linked to these practices. The atmosphere, essential for the maintenance of life, is increasingly saturated with pollutants, offering risks to practically all the inhabitants of the planet, a process that, in addition to causing illness and early mortality, is related to serious financial losses (including in the production of goods), dangerous temperature increase and severe natural disasters. Although this perception is not recent, the global initiative to control the different mechanisms that trigger the commitment of biodiversity and irreversible climate changes arising from pollution is still very incipient, given that global initiatives on the subject emerged just over 50 years ago. Brazil is a territory that centralizes many of these discussions, as it still faces both political and economic obstacles in achieving a sustainable growth model as it was agreed through the United Nations 2030 Agenda. Even though there is little time left for the completion of these goals, much remains to be done, and despite the fulfillment of this deadline, the works will certainly need to be extended for much longer until an effective reorientation of consciousness occurs. Scientific researches and discussions are fundamental tools to the understanding of issues still little explored in this field.
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Affiliation(s)
- Fernando Rafael de Moura
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil
| | - Flavio Manoel Rodrigues da Silva Júnior
- LEFT - Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, Km 8, Campus Carreiros, Rio Grande, RS, CEP 96203-900, Brazil.
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal do Rio Grande - FURG, Rua Visconde de Paranaguá, 102, Rio Grande, RS, CEP 96203-900, Brazil.
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Soares RD, dos Santos M, de Moura FR, Muccillo-Baisch AL, Baisch PRM, Soares MCF, da Silva Júnior FMR. Gestational and Neonatal Outcomes in Cities in the Largest Coal Mining Region in Brazil. Int J Environ Res Public Health 2022; 19:12107. [PMID: 36231407 PMCID: PMC9564524 DOI: 10.3390/ijerph191912107] [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] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
Brazil has one of the largest mineral coal reserves in the world. More than 40% of this ore is in the Candiota Mine, in the extreme south of Brazil, which was previously identified as a hotspot of environmental pollution. In addition, an important part of Brazil's population suffers from socioeconomic vulnerability. Since there is no information on unfavorable gestational and neonatal outcomes associated with these problems, we conducted a cross-sectional study with 1950 mother-child binomials, aiming to evaluate the association between these outcomes and air pollution as well as socioeconomic, demographic and health variables in seven cities in the region. Of the total births, 11.6% were preterm and 9.5% of neonates had low birth weight (<2500 g). These conditions were also associated with skin color, previous abortions, birth type and prenatal care, as well as exposure to higher levels of coarse particulate matter (PM10) during the first trimester of pregnancy. Regarding air pollutants, although the daily limits for PM10 were exceeded on less than 5% of days, the annual average overtook the values proposed by WHO. Thus, we concluded that prematurity and low birth weight in this region are related to air pollution, and to socioeconomic variables and health care.
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Dos Santos Teixeira JM, da Silva Lima V, de Moura FR, da Costa Marisco P, Sinhorin AP, Sinhorin VDG. Acute toxicity and effects of Roundup Original® on pintado da Amazônia. Environ Sci Pollut Res Int 2018; 25:25383-25389. [PMID: 29951755 DOI: 10.1007/s11356-018-2630-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 03/05/2018] [Accepted: 06/20/2018] [Indexed: 06/08/2023]
Abstract
The toxicity of Roundup Original® (GLY), a glyphosate-based herbicide widely used in crops in Mato Grosso state, was determined in hybrid fish jundiara or pintado da Amazônia. The 96 h-LC50 of GLY was 13.57 mg L-1. Moreover, exposure to sublethal concentrations of GLY (0, 0.37, 0.75, 2.25, 4.5, 7.5 mg L-1) has not altered the survival rate (100% for all treatments). In fish liver, protein carbonyl (PC) levels as well as glutathione-S-transferase (GST) activity, reduced glutathione (GSH), and ascorbic acid (ASA) contents increased when compared to control group. Superoxide dismutase (SOD) activity was reduced and catalase (CAT) has not changed. PC content has grown in muscle and brain, and thiobarbituric acid-reactive species (TBARS) levels also increased in muscle, but in the brain, they remained unaltered. Acetylcholinesterase (AChE) activity reduced in muscle but increased in brain when compared to control group. Our results suggest that short-term exposure to GLY induced alterations in the oxidative stress biomarkers in fish and can be interfering with their survival in natural environment; besides, these findings may be considered of high ecotoxicological relevance.
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Affiliation(s)
- Jhonnes Marcos Dos Santos Teixeira
- Instituto de Ciências da Saúde, Universidade Federal de Mato Grosso, Câmpus de Sinop, Av. Alexandre Ferronato, 1200, Setor Industrial,, Sinop, MT, 78557-267, Brazil
| | - Valfran da Silva Lima
- Instituto de Ciências da Saúde, Universidade Federal de Mato Grosso, Câmpus de Sinop, Av. Alexandre Ferronato, 1200, Setor Industrial,, Sinop, MT, 78557-267, Brazil
| | - Fernando Rafael de Moura
- Programa de Pós-Graduação em Ciências Ambientais, Laboratórios Integrados de Pesquisas em Ciências Químicas, Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Câmpus de Sinop, Av. Alexandre Ferronato, 1200, Setor Industrial, Sinop, MT, 78557-267, Brazil
| | - Patrícia da Costa Marisco
- Instituto de Ciências da Saúde, Universidade Federal de Mato Grosso, Câmpus de Sinop, Av. Alexandre Ferronato, 1200, Setor Industrial,, Sinop, MT, 78557-267, Brazil
| | - Adilson Paulo Sinhorin
- Programa de Pós-Graduação em Ciências Ambientais, Laboratórios Integrados de Pesquisas em Ciências Químicas, Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Câmpus de Sinop, Av. Alexandre Ferronato, 1200, Setor Industrial, Sinop, MT, 78557-267, Brazil
| | - Valéria Dornelles Gindri Sinhorin
- Programa de Pós-Graduação em Ciências Ambientais, Laboratórios Integrados de Pesquisas em Ciências Químicas, Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Câmpus de Sinop, Av. Alexandre Ferronato, 1200, Setor Industrial, Sinop, MT, 78557-267, Brazil.
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de Moura FR, da Silva Lima RR, da Cunha APS, da Costa Marisco P, Aguiar DH, Sugui MM, Sinhorin AP, Sinhorin VDG. Effects of glyphosate-based herbicide on pintado da Amazônia: Hematology, histological aspects, metabolic parameters and genotoxic potential. Environ Toxicol Pharmacol 2017; 56:241-248. [PMID: 29031220 DOI: 10.1016/j.etap.2017.09.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [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: 08/17/2017] [Revised: 09/25/2017] [Accepted: 09/27/2017] [Indexed: 06/07/2023]
Abstract
Roundup Original® is an herbicide widely used in Mato Grosso's agriculture and it may contamine water bodies, being an unforeseen xenobiotic to aquatic organisms, particularly fish. This study investigated the effects on the hybrid fish jundiara (Leiarius marmoratus×Pseudoplatystoma reticulatum) of an environmentally relevant exposure to this herbicide. Glucose levels in liver, muscle and plasma decreased after exposure to 1.357mgL-1 of Roundup Original® (glyphosate nominal concentration), while glycogen levels reduced in liver and muscle for different times. Elevated cholesterol and triglycerides revealed an adaptive response. Protein and lactate levels also increased during the experiment, however no changes were observed for muscle lactate. Increment of the transaminases suggests damage to the liver cells. After 96hours of exposure, reductions in all hematological parameters were observed, whereas the micronucleus test findings showed genotoxic scenery. Histological analysis did not display pathological alterations of the hepatic tissue. The results obtained provide valuable data for noticing the effects of pollutants on non-target organisms.
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Affiliation(s)
- Fernando Rafael de Moura
- Programa de Pós-Graduação em Ciências Ambientais, Laboratórios Integrados de Pesquisas em Ciências Químicas (LIPEQ), Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil
| | - Ritane Rose da Silva Lima
- Instituto de Ciências da Saúde, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil
| | - Ana Paula Simões da Cunha
- Instituto de Ciências da Saúde, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil
| | - Patrícia da Costa Marisco
- Instituto de Ciências da Saúde, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil
| | - Danilo Henrique Aguiar
- Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil
| | - Marina Mariko Sugui
- Programa de Pós-Graduação em Ciências Ambientais, Laboratórios Integrados de Pesquisas em Ciências Químicas (LIPEQ), Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil
| | - Adilson Paulo Sinhorin
- Programa de Pós-Graduação em Ciências Ambientais, Laboratórios Integrados de Pesquisas em Ciências Químicas (LIPEQ), Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil
| | - Valéria Dornelles Gindri Sinhorin
- Programa de Pós-Graduação em Ciências Ambientais, Laboratórios Integrados de Pesquisas em Ciências Químicas (LIPEQ), Instituto de Ciências Naturais, Humanas e Sociais, Universidade Federal de Mato Grosso, Campus Universitário de Sinop, Sinop, Mato Grosso, Brazil.
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de Moura FR, Brentegani KR, Gemelli A, Sinhorin AP, Sinhorin VDG. Oxidative stress in the hybrid fish jundiara (Leiarius marmoratus × Pseudoplatystoma reticulatum) exposed to Roundup Original ®. Chemosphere 2017; 185:445-451. [PMID: 28711796 DOI: 10.1016/j.chemosphere.2017.07.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [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: 04/26/2017] [Revised: 07/06/2017] [Accepted: 07/07/2017] [Indexed: 06/07/2023]
Abstract
The aim of this study was to investigate the effects of Roundup Original®, a glyphosate-based herbicide, against biochemical parameters including thiobarbituric acid-reactive substances (TBARS), protein carbonyl, enzymatic and nonenzymatic antioxidant responses and acetylcholinesterase (AChE) of jundiara fish (Leiarius marmoratus × Pseudoplatystoma reticulatum) at a sublethal concentration of 1.357 mg L-1. Fish exposed to the herbicide for different periods (6-96 h) showed a significant increase of both hepatic and muscular TBARS and protein carbonyl. Enzymatic antioxidant activity was decreased in the liver and brain after 48 h of exposure. Glutathione-S-tranferase (GST) had its levels raised in the brain and gills, probably as a toxicity event response. Non protein thiols (GSH) demonstrated a reduction after 6 and 24 h of exposure in the hepatic tissue, followed by an increase at 48 and 96 h in the same tissue. GSH brain levels, however, increased only after 96 h. AChE activity in muscle decreased for all the times tested (26.5, 45, 38 and 14% for 6, 24, 48 and 96 h respectively), but only at 96 h (34%) in the brain. We found that Roundup Original® is able to trigger important changes in the biochemical parameters tested, showing it can be a potential threat for the health and survival of fish in the environment.
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Affiliation(s)
- Fernando Rafael de Moura
- Post-Graduation Program in Environmental Science, Integrated Laboratories for Research in Chemical Sciences (LIPEQ), Institute of Natural, Human and Social Sciences, Federal University of Mato Grosso, Campus of Sinop, Mato Grosso, Brazil
| | - Kamila Ribeiro Brentegani
- Institute of Health Sciences, Federal University of Mato Grosso, Campus of Sinop, Mato Grosso, Brazil
| | - Aline Gemelli
- Institute of Health Sciences, Federal University of Mato Grosso, Campus of Sinop, Mato Grosso, Brazil
| | - Adilson Paulo Sinhorin
- Post-Graduation Program in Environmental Science, Integrated Laboratories for Research in Chemical Sciences (LIPEQ), Institute of Natural, Human and Social Sciences, Federal University of Mato Grosso, Campus of Sinop, Mato Grosso, Brazil
| | - Valéria Dornelles Gindri Sinhorin
- Post-Graduation Program in Environmental Science, Integrated Laboratories for Research in Chemical Sciences (LIPEQ), Institute of Natural, Human and Social Sciences, Federal University of Mato Grosso, Campus of Sinop, Mato Grosso, Brazil.
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