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Filgueiras PS, Corsini CA, Almeida NBF, Pedrosa MLC, Miranda DAPD, Gomes SVC, Assis JVD, Silva RA, Medeiros MIVDARCD, Lourenço AJ, Bicalho CMF, Vilela RVR, Jeremias WDJ, Fernandes GDR, Queiroz RFGE. Rapid antigen test as a tool for the identification of SARS-CoV-2 infection and its potential as a self-testing device. Rev Soc Bras Med Trop 2023; 56:e01672022. [PMID: 37222349 DOI: 10.1590/0037-8682-0167-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 03/01/2023] [Indexed: 05/25/2023] Open
Abstract
BACKGROUND SARS-CoV-2 virus originated in Wuhan (China) in December (2019) and quickly spread worldwide. Antigen tests are rapid diagnostic tests (RDT) that produce results in 15-30 min and are an important tool for the scale-up of COVID-19 testing. COVID-19 diagnostic tests are authorized for self-testing at home in some countries, including Brazil. Widespread COVID-19 diagnostic testing is required to guide public health policies and control the speed of transmission and economic recovery. METHODS Patients with suspected COVID-19 were recruited at the Hospital da Baleia (Belo Horizonte, Brazil). The SARS-CoV-2 antigen-detecting rapid diagnostic tests were evaluated from June 2020 to June 2021 using saliva, nasal, and nasopharyngeal swab samples from 609 patients. Patient samples were simultaneously tested using a molecular assay (RT-qPCR). Sensitivity, specificity, accuracy, and positive and negative predictive values were determined using the statistical program, MedCalc, and GraphPad Prism 8.0. RESULTS The antigen-detecting rapid diagnostic tests displayed 98% specificity, 60% sensitivity, 96% positive predictive value, and moderate concordance with RT-qPCR. Substantial agreement was found between the two methods for patients tested < 7 days of symptom onset. CONCLUSIONS Our findings support the use of Ag-RDT as a valuable and safe diagnostic method. Ag-RDT was also demonstrated to be an important triage tool for suspected COVID-19 patients in emergencies. Overall, Ag-RDT is an effective strategy for reducing the spread of SARS-CoV-2 and contributing to COVID-19 control.
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Affiliation(s)
- Priscilla Soares Filgueiras
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
| | - Camila Amormino Corsini
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Nathalie Bonatti Franco Almeida
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade da Geórgia, Faculdade de Medicina Veterinária, Departamento de Doenças Infecciosas, Athens, GA, Estados Unidos da América
| | - Maria Luysa Camargos Pedrosa
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Daniel Alvim Pena de Miranda
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Sarah Vieira Contin Gomes
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Jéssica Vieira de Assis
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
| | | | | | | | | | | | - Wander de Jesus Jeremias
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Ouro Preto, Departamento de Farmácia, Ouro Preto, MG, Brasil
| | | | - Rafaella Fortini Grenfell E Queiroz
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
- Universidade da Geórgia, Faculdade de Medicina Veterinária, Departamento de Doenças Infecciosas, Athens, GA, Estados Unidos da América
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Silva Torres D, Alves de Oliveira B, Souza D Silveira L, Paulo da Silva M, Rodrigues Durães Pereira V, Moraes J, Rúbia Costa Couri M, Fortini Grenfell E Queiroz R, Martins Parreiras P, Roberto Silva M, Azevedo Alves L, Carius de Souza V, Vanessa Zabala Capriles Goliatt P, Gomes Vasconcelos E, Alves da Silva Filho A, de Faria Pinto P. Synthetic Aurones: New Features for Schistosoma mansoni Therapy. Chem Biodivers 2021; 18:e2100439. [PMID: 34665914 DOI: 10.1002/cbdv.202100439] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 09/24/2021] [Indexed: 11/10/2022]
Abstract
In this work, two synthetic aurones revealed moderate schistosomicidal potential in in vitro and in vivo assays. Aurones (1) and (2) promoted changes in tegument integrity and motor activity, leading to death of adult Schistosoma mansoni worms in in vitro assays. When administered orally (two doses of 50 mg/kg) in experimentally infected animals, synthetic aurones (1) and (2) promoted reductions of 56.20 % and 57.61 % of the parasite load and stimulated the displacement towards the liver of the remaining adult worms. The oogram analysis revealed that the treatment with both aurones interferes with the egg development kinetics in the intestinal tissue. Seeking an action target for compounds (1) and (2), the connection with NTPDases enzymes, recognized as important therapeutic targets for S. mansoni, was evaluated. Molecular docking studies have shown promising results. The dataset reveals the anthelmintic character of these compounds, which can be used in the development of new therapies for schistosomiasis.
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Affiliation(s)
- Daniel Silva Torres
- Departamento de Bioquímica, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Bruna Alves de Oliveira
- Departamento de Bioquímica, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | | | - Marcos Paulo da Silva
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Guarulhos, SP, Brazil
| | | | - Josué Moraes
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Guarulhos, SP, Brazil
| | | | | | - Patrícia Martins Parreiras
- Laboratório de Esquistossomose, Centro de Pesquisas René Rachou, Fundação Oswaldo, Cruz, FIOCRUZ, Belo Horizonte, MG, Brazil
| | | | - Lara Azevedo Alves
- Grupo de Modelagem Computacional Aplicada (GMCA), Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Vinícius Carius de Souza
- Grupo de Modelagem Computacional Aplicada (GMCA), Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | | | - Eveline Gomes Vasconcelos
- Departamento de Bioquímica, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Ademar Alves da Silva Filho
- Faculdade de Farmácia, Departamento de Ciências Farmacêuticas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Priscila de Faria Pinto
- Departamento de Bioquímica, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
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