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Albuquerque NK, Silva SP, Aragão CF, Cunha TCAS, Paiva FAS, Coelho TFSB, Cruz ACR. Virome analysis of Desmodus rotundus tissue samples from the Amazon region. BMC Genomics 2024; 25:34. [PMID: 38177994 PMCID: PMC10768307 DOI: 10.1186/s12864-023-09950-w] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 12/28/2023] [Indexed: 01/06/2024] Open
Abstract
BACKGROUND Bats are renowned for harboring a high viral diversity, their characteristics contribute to emerging infectious diseases. However, environmental and anthropic factors also play a significant role in the emergence of zoonotic viruses. Metagenomic is an important tool for investigating the virome of bats and discovering new viruses. RESULTS Twenty-four families of virus were detected in lung samples by sequencing and bioinfomatic analysis, the largest amount of reads was focused on the Retroviridae and contigs assembled to Desmodus rotundus endogenous retrovirus, which was feasible to acquire complete sequences. The reads were also abundant for phages. CONCLUSION This lung virome of D. rotundus contributes valuable information regarding the viral diversity found in bats, which is useful for understanding the drivers of viral cycles and their ecology in this species. The identification and taxonomic categorization of viruses hosted by bats carry epidemiological significance due to the potential for viral adaptation to other animals and humans, which can have severe repercussions for public health. Furthermore, the characterization of endogenized viruses helps to understanding the host genome and the evolution of the species.
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Affiliation(s)
- Nádia K Albuquerque
- Institute of Biologic Science, Federal University of Pará, Augusto Corrêa Road, Belém, 66075-750, Pará, Brazil.
| | - Sandro P Silva
- Arbovirology and Hemorragic Fever Department, Evandro Chagas Institute, BR-316 Highway, Ananindeua, 67030-000, Pará, Brazil
| | - Carine F Aragão
- Arbovirology and Hemorragic Fever Department, Evandro Chagas Institute, BR-316 Highway, Ananindeua, 67030-000, Pará, Brazil
| | - Tânia Cristina A S Cunha
- Arbovirology and Hemorragic Fever Department, Evandro Chagas Institute, BR-316 Highway, Ananindeua, 67030-000, Pará, Brazil
| | - Francisco A S Paiva
- Arbovirology and Hemorragic Fever Department, Evandro Chagas Institute, BR-316 Highway, Ananindeua, 67030-000, Pará, Brazil
| | - Taciana F S B Coelho
- Arbovirology and Hemorragic Fever Department, Evandro Chagas Institute, BR-316 Highway, Ananindeua, 67030-000, Pará, Brazil
| | - Ana Cecília R Cruz
- Institute of Biologic Science, Federal University of Pará, Augusto Corrêa Road, Belém, 66075-750, Pará, Brazil.
- Arbovirology and Hemorragic Fever Department, Evandro Chagas Institute, BR-316 Highway, Ananindeua, 67030-000, Pará, Brazil.
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Mazeda C, Silva SP, Velez J, Eugénio G, Barcelos A. An unusual case of hip arthritis. Scand J Rheumatol 2022; 52:317-318. [PMID: 36437802 DOI: 10.1080/03009742.2022.2145681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- C Mazeda
- Rheumatology Department, Centro Hospitalar Do Baixo Vouga, Aveiro, Portugal
- Health Alliance, Centro Académico Clínico Egas Moniz, Aveiro, Portugal
| | - SP Silva
- Rheumatology Department, Centro Hospitalar Do Baixo Vouga, Aveiro, Portugal
- Health Alliance, Centro Académico Clínico Egas Moniz, Aveiro, Portugal
| | - J Velez
- Health Alliance, Centro Académico Clínico Egas Moniz, Aveiro, Portugal
- Infectology Department, Centro Hospitalar Do Baixo Vouga, Aveiro, Portugal
| | - G Eugénio
- Rheumatology Department, Centro Hospitalar Do Baixo Vouga, Aveiro, Portugal
- Health Alliance, Centro Académico Clínico Egas Moniz, Aveiro, Portugal
| | - A Barcelos
- Rheumatology Department, Centro Hospitalar Do Baixo Vouga, Aveiro, Portugal
- Health Alliance, Centro Académico Clínico Egas Moniz, Aveiro, Portugal
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Silva FA, Ferreira MS, Araújo PA, Casseb SMM, Silva SP, Nunes Neto JP, Chiang JO, Rosa Junior JW, Chagas LL, Freitas MNO, Santos ÉB, Hernández L, Paz T, Vasconcelos PFC, Martins LC. Serological and Molecular Evidence of the Circulation of the Venezuelan Equine Encephalitis Virus Subtype IIIA in Humans, Wild Vertebrates and Mosquitos in the Brazilian Amazon. Viruses 2022; 14:v14112391. [PMID: 36366489 PMCID: PMC9695375 DOI: 10.3390/v14112391] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/07/2022] [Accepted: 10/25/2022] [Indexed: 01/31/2023] Open
Abstract
Understanding the interaction between viruses and ecosystems in areas with or without anthropic interference can contribute to the organization of public health services, as well as prevention and disease control. An arbovirus survey was conducted at Caxiuanã National Forest, Pará, Brazil, where 632 local residents, 338 vertebrates and 15,774 pools of hematophagous arthropods were investigated. Neutralization antibodies of the Venezuelan Equine Encephalitis virus, subtype IIIA, Mucambo virus (MUCV) were detected in 57.3% and 61.5% of humans and wild vertebrates, respectively; in addition, genomic fragments of MUCV were detected in pool of Uranotaenia (Ura.) geometrica. The obtained data suggest an enzootic circulation of MUCV in the area. Understanding the circulation of endemic and neglected arboviruses, such as MUCV, represents an important health problem for the local residents and for the people living in the nearby urban centers.
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Affiliation(s)
- Franko A. Silva
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
- Post-Graduation Program in Virology, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
- Correspondence:
| | - Milene S. Ferreira
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Pedro A. Araújo
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Samir M. M. Casseb
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Sandro P. Silva
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Joaquim P. Nunes Neto
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Jannifer O. Chiang
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - José W. Rosa Junior
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Liliane L. Chagas
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Maria N. O. Freitas
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Éder B. Santos
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Leonardo Hernández
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Thito Paz
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
| | - Pedro F. C. Vasconcelos
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
- Department of Pathology, Pará State University, Belém 66045-315, PA, Brazil
| | - Lívia C. Martins
- Department of Arbovirology and Haemorragic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
- Post-Graduation Program in Virology, Evandro Chagas Institute, Ananindeua 67030-000, PA, Brazil
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Chamma-Siqueira NN, Negreiros SC, Ballard SB, Farias S, Silva SP, Chenet SM, Santos EJM, Pereira de Sena LW, Póvoa da Costa F, Cardoso-Mello AGN, Marchesini PB, Peterka CRL, Viana GMR, Macedo de Oliveira A. Higher-Dose Primaquine to Prevent Relapse of Plasmodium vivax Malaria. N Engl J Med 2022; 386:1244-1253. [PMID: 35353962 PMCID: PMC9132489 DOI: 10.1056/nejmoa2104226] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND In most of the Americas, the recommended treatment to prevent relapse of Plasmodium vivax malaria is primaquine at a total dose of 3.5 mg per kilogram of body weight, despite evidence of only moderate efficacy. METHODS In this trial conducted in Brazil, we evaluated three primaquine regimens to prevent relapse of P. vivax malaria in children at least 5 years of age and in adults with microscopy-confirmed P. vivax monoinfection. All the patients received directly observed chloroquine for 3 days (total dose, 25 mg per kilogram). Group 1 received a total primaquine dose of 3.5 mg per kilogram (0.5 mg per kilogram per day) over 7 days with unobserved administration; group 2 received the same regimen as group 1 but with observed administration; and group 3 received a total primaquine dose of 7.0 mg per kilogram over 14 days (also 0.5 mg per kilogram per day) with observed administration. We monitored the patients for 168 days. RESULTS We enrolled 63 patients in group 1, 96 in group 2, and 95 in group 3. The median age of the patients was 22.4 years (range, 5.4 to 79.8). By day 28, three P. vivax recurrences were observed: 2 in group 1 and 1 in group 2. By day 168, a total of 70 recurrences had occurred: 24 in group 1, 34 in group 2, and 12 in group 3. No serious adverse events were noted. On day 168, the percentage of patients without recurrence was 58% (95% confidence interval [CI], 44 to 70) in group 1, 59% (95% CI, 47 to 69) in group 2, and 86% (95% CI, 76 to 92) in group 3. Survival analysis showed a difference in the day 168 recurrence-free percentage of 27 percentage points (97.5% CI, 10 to 44; P<0.001) between group 1 and group 3 and a difference of 27 percentage points (97.5% CI, 12 to 42; P<0.001) between group 2 and group 3. CONCLUSIONS The administration of primaquine at a total dose of 7.0 mg per kilogram had higher efficacy in preventing relapse of P. vivax malaria than a total dose of 3.5 mg per kilogram through day 168. (Supported by the U.S. Agency for International Development; ClinicalTrials.gov number, NCT03610399.).
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Affiliation(s)
- Nathália N Chamma-Siqueira
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Suiane C Negreiros
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Sarah-Blythe Ballard
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Sâmela Farias
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Sandro P Silva
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Stella M Chenet
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Eduardo J M Santos
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Luann W Pereira de Sena
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Flávia Póvoa da Costa
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Amanda G N Cardoso-Mello
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Paola B Marchesini
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Cássio R L Peterka
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Giselle M R Viana
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
| | - Alexandre Macedo de Oliveira
- From Instituto Evandro Chagas, Ministério da Saúde do Brasil, Ananindeua (N.N.C-.S., S.P.S., G.M.R.V.), Programa de Pós-Graduação em Biologia de Agentes Infecciosos e Parasitários (N.N.C.-S., E.J.M.S., F.P.C., G.M.R.V.) and Laboratório de Genética de Doenças Complexas (E.J.M.S., F.P.C.), Instituto de Ciências Biológicas, and Laboratório de Farmacocinética de Drogas Antimaláricas, Instituto de Ciências da Saúde (L.W.P.S., A.G.N.C.-M.), Universidade Federal do Pará, Belém, Secretaria de Saúde do Estado do Acre, Cruzeiro do Sul (S.C.N., S.F.), and Grupo Técnico da Malária, Coordenação-Geral de Vigilância de Zoonoses e Doenças de Transmissão Vetorial, Departamento de Imunização e Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde (P.B.M.), and Diretoria de Vigilância Epidemiológica, Subsecretaria de Vigilância em Saúde, Secretaria Estadual de Saúde do Distrito Federal (C.R.L.P.), Brasília - all in Brazil; Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services (S.-B.B.), and the Malaria Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention (S.-B.B., A.M.O.) - both in Atlanta; and Instituto de Investigaciones en Ciencias Biomedicas, Universidad Ricardo Palma, Lima, and Instituto de Enfermedades Tropicales, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas (S.M.C.) - both in Peru
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5
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Chiang JO, Azevedo RS, Justino MCA, Matos HJ, Cabeça HLS, Silva SP, Henriques DF, Silva EVP, Andrade GSS, Vasconcelos PF, Martins LC, Azevedo RSS. Neurological disease caused by Oropouche virus in northern Brazil: should it be included in the scope of clinical neurological diseases? J Neurovirol 2021; 27:626-630. [PMID: 34115330 PMCID: PMC8458178 DOI: 10.1007/s13365-021-00987-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 04/12/2021] [Accepted: 05/10/2021] [Indexed: 11/13/2022]
Abstract
We describe two neurological cases of Oropouche virus infection in northern Brazil, where the virus is endemic but neglected as a pathogen. This study reiterates the necessity of developing protocols for diagnosing infections and training medical personnel to recognize the pathogenicity of Oropouche virus in neurological infections.
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Affiliation(s)
- Jannifer O Chiang
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ananindeua, Pará, Brazil.
| | - Rafael S Azevedo
- Institutional Program for Scientific Initiation Scholarships (PIBIC), Evandro Chagas Institute. Ananindeua, Pará, Brazil
| | - Maria C A Justino
- Department of Virology, Evandro Chagas Institute. Ananindeua, Pará, Brazil
| | - Haroldo J Matos
- Epidemiology Service, Evandro Chagas Institute, Ananindeua, Pará, Brazil
| | | | - Sandro P Silva
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ananindeua, Pará, Brazil
| | - Daniele F Henriques
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ananindeua, Pará, Brazil
| | - Eliana V P Silva
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ananindeua, Pará, Brazil
| | | | - Pedro Fc Vasconcelos
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ananindeua, Pará, Brazil
| | - Lívia C Martins
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ananindeua, Pará, Brazil
| | - Raimunda S S Azevedo
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ananindeua, Pará, Brazil
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6
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Queiroz ALN, Barros RS, Silva SP, Rodrigues DSG, Cruz ACR, dos Santos FB, Vasconcelos PFC, Tesh RB, Nunes BTD, Medeiros DBA. The Usefulness of a Duplex RT-qPCR during the Recent Yellow Fever Brazilian Epidemic: Surveillance of Vaccine Adverse Events, Epizootics and Vectors. Pathogens 2021; 10:693. [PMID: 34204910 PMCID: PMC8228867 DOI: 10.3390/pathogens10060693] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/24/2021] [Accepted: 05/27/2021] [Indexed: 11/17/2022] Open
Abstract
From 2016 to 2018, Brazil faced the biggest yellow fever (YF) outbreak in the last 80 years, representing a risk of YF reurbanization, especially in megacities. Along with this challenge, the mass administration of the fractionated YF vaccine dose in a naïve population brought another concern: the possibility to increase YF adverse events associated with viscerotropic (YEL-AVD) or neurological disease (YEL-AND). For this reason, we developed a quantitative real time RT-PCR (RT-qPCR) assay based on a duplex TaqMan protocol to distinguish broad-spectrum infections caused by wild-type yellow fever virus (YFV) strain from adverse events following immunization (AEFI) by 17DD strain during the vaccination campaign used to contain this outbreak. A rapid and more accurate RT-qPCR assay to diagnose YFV was established, being able to detect even different YFV genotypes and geographic strains that circulate in Central and South America. Moreover, after testing around 1400 samples from human cases, non-human primates and mosquitoes, we detected just two YEL-AVD cases, confirmed by sequencing, during the massive vaccination in Brazilian Southeast region, showing lower incidence than AEFI as expected.
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Affiliation(s)
- Alice L. N. Queiroz
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
| | - Rafael S. Barros
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
| | - Sandro P. Silva
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
| | - Daniela S. G. Rodrigues
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
| | - Ana C. R. Cruz
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
| | - Flávia B. dos Santos
- Viral Immunology Laboratory, Oswaldo Cruz Institute, Rio de Janeiro 21040-900, Brazil;
| | - Pedro F. C. Vasconcelos
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
| | - Robert B. Tesh
- Department of Pathology and Microbiology & Immunology, University Texas Medical Branch, Galveston, TX 77555, USA;
| | - Bruno T. D. Nunes
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
| | - Daniele B. A. Medeiros
- Department of Arbovirology and Haemorrhagic Fevers, Evandro Chagas Institute, Ananindeua 67030-000, Brazil; (R.S.B.); (S.P.S.); (D.S.G.R.); (A.C.R.C.); (P.F.C.V.); (D.B.A.M.)
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7
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Silva SP, Silva LNPP, Rodrigues EDL, Cardoso JF, Tavares FN, Souza WM, Santos CMP, Martins FMS, Jesus IS, Brito TC, Moura TPC, Nunes MRT, Casseb LMN, Silva Filho E, Casseb AR. Full-length genomic and molecular characterization of Canine parvovirus in dogs from North of Brazil. Genet Mol Res 2017; 16:gmr-16-03-gmr.16039719. [PMID: 28973725 DOI: 10.4238/gmr16039719] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
With the objective of characterizing Canine parvovirus (CPV) from some suspected fecal samples of dogs collected from the Veterinarian Hospital in Belém city, five positive samples were found by PCR assay and an update molecular characterization was provided of the CPV-2 circulation in Belém. Through sequencing of the complete DNA sequences (NS1, NS2, VP1, and VP2 genes), the CPV-2 strain was identified as CPV-2b (Asn426Asp) circulating in Belém. The CPV-2b strain with a different change at the position Tyr324Leu was detected in all samples assessed and thus reported for the first time for the scientific community. Phylogenetic analysis indicated that Belém CPV-2b and CPV-2a strains would be related to a cluster with samples after the 1990s, suggesting that CPV-2b in Belém originated from CPV-2a circulating in Brazil after the 1990s. Potential recombination events were analyzed using RDP4 and SplitsTree4; therefore, results suggest that CPV-2 sequences here described were not potentially recombination events. Continuous monitoring and molecular characterization of CPV-2 samples are needed not only to identify possible genetic and antigenic changes that may interfere with the effectiveness of vaccines but also to bring a better understanding of the mechanisms that drive the evolution of CPV-2 in Brazil.
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Affiliation(s)
- S P Silva
- Centro de Inovação Tecnológica, Instituto Evandro Chagas, Ministério da Saúde, , Brasil
| | - L N P P Silva
- Centro de Inovação Tecnológica, Instituto Evandro Chagas, Ministério da Saúde, , Brasil
| | | | - J F Cardoso
- Centro de Inovação Tecnológica, Instituto Evandro Chagas, Ministério da Saúde, , Brasil
| | | | - W M Souza
- Centro de Pesquisa em Virologia, Faculdade de Medicina de Ribeirão Preto, , , Brasil
| | | | | | - I S Jesus
- Laboratório de Biologia Molecular, , , Brasil
| | - T C Brito
- Laboratório de Biologia Molecular, , , Brasil
| | - T P C Moura
- Laboratório de Biologia Molecular, , , Brasil
| | - M R T Nunes
- Centro de Inovação Tecnológica, Instituto Evandro Chagas, Ministério da Saúde, , Brasil
| | | | | | - A R Casseb
- Laboratório de Biologia Molecular, , , Brasil
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8
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Faria NR, Quick J, Claro IM, Thézé J, de Jesus JG, Giovanetti M, Kraemer MUG, Hill SC, Black A, da Costa AC, Franco LC, Silva SP, Wu CH, Raghwani J, Cauchemez S, du Plessis L, Verotti MP, de Oliveira WK, Carmo EH, Coelho GE, Santelli ACFS, Vinhal LC, Henriques CM, Simpson JT, Loose M, Andersen KG, Grubaugh ND, Somasekar S, Chiu CY, Muñoz-Medina JE, Gonzalez-Bonilla CR, Arias CF, Lewis-Ximenez LL, Baylis SA, Chieppe AO, Aguiar SF, Fernandes CA, Lemos PS, Nascimento BLS, Monteiro HAO, Siqueira IC, de Queiroz MG, de Souza TR, Bezerra JF, Lemos MR, Pereira GF, Loudal D, Moura LC, Dhalia R, França RF, Magalhães T, Marques ET, Jaenisch T, Wallau GL, de Lima MC, Nascimento V, de Cerqueira EM, de Lima MM, Mascarenhas DL, Neto JPM, Levin AS, Tozetto-Mendoza TR, Fonseca SN, Mendes-Correa MC, Milagres FP, Segurado A, Holmes EC, Rambaut A, Bedford T, Nunes MRT, Sabino EC, Alcantara LCJ, Loman NJ, Pybus OG. Establishment and cryptic transmission of Zika virus in Brazil and the Americas. Nature 2017; 546:406-410. [PMID: 28538727 DOI: 10.1038/nature22401] [Citation(s) in RCA: 377] [Impact Index Per Article: 53.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Accepted: 05/02/2017] [Indexed: 12/21/2022]
Abstract
Transmission of Zika virus (ZIKV) in the Americas was first confirmed in May 2015 in northeast Brazil. Brazil has had the highest number of reported ZIKV cases worldwide (more than 200,000 by 24 December 2016) and the most cases associated with microcephaly and other birth defects (2,366 confirmed by 31 December 2016). Since the initial detection of ZIKV in Brazil, more than 45 countries in the Americas have reported local ZIKV transmission, with 24 of these reporting severe ZIKV-associated disease. However, the origin and epidemic history of ZIKV in Brazil and the Americas remain poorly understood, despite the value of this information for interpreting observed trends in reported microcephaly. Here we address this issue by generating 54 complete or partial ZIKV genomes, mostly from Brazil, and reporting data generated by a mobile genomics laboratory that travelled across northeast Brazil in 2016. One sequence represents the earliest confirmed ZIKV infection in Brazil. Analyses of viral genomes with ecological and epidemiological data yield an estimate that ZIKV was present in northeast Brazil by February 2014 and is likely to have disseminated from there, nationally and internationally, before the first detection of ZIKV in the Americas. Estimated dates for the international spread of ZIKV from Brazil indicate the duration of pre-detection cryptic transmission in recipient regions. The role of northeast Brazil in the establishment of ZIKV in the Americas is further supported by geographic analysis of ZIKV transmission potential and by estimates of the basic reproduction number of the virus.
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Affiliation(s)
- N R Faria
- Department of Zoology, University of Oxford, Oxford OX1 3SY, UK.,Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - J Quick
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK
| | - I M Claro
- Department of Infectious Disease, School of Medicine &Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | - J Thézé
- Department of Zoology, University of Oxford, Oxford OX1 3SY, UK
| | - J G de Jesus
- Fundação Oswaldo Cruz (FIOCRUZ), Salvador, Bahia, Brazil
| | - M Giovanetti
- Fundação Oswaldo Cruz (FIOCRUZ), Salvador, Bahia, Brazil.,University of Rome Tor Vergata, Rome, Italy
| | - M U G Kraemer
- Department of Zoology, University of Oxford, Oxford OX1 3SY, UK.,Harvard Medical School, Boston, Massachusetts, USA.,Boston Children's Hospital, Boston, Massachusetts, USA
| | - S C Hill
- Department of Zoology, University of Oxford, Oxford OX1 3SY, UK
| | - A Black
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA.,Department of Epidemiology, University of Washington, Seattle, Washington, USA
| | - A C da Costa
- Department of Infectious Disease, School of Medicine &Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | - L C Franco
- Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - S P Silva
- Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - C-H Wu
- Department of Statistics, University of Oxford, Oxford OX1 3LB, UK
| | - J Raghwani
- Department of Zoology, University of Oxford, Oxford OX1 3SY, UK
| | - S Cauchemez
- Mathematical Modelling of Infectious Diseases and Center of Bioinformatics, Biostatistics and Integrative Biology, Institut Pasteur, Paris, France.,Centre National de la Recherche Scientifique, URA3012, Paris, France
| | - L du Plessis
- Department of Zoology, University of Oxford, Oxford OX1 3SY, UK
| | - M P Verotti
- Coordenação dos Laboratórios de Saúde (CGLAB/DEVIT/SVS), Ministry of Health, Brasília, Brazil
| | - W K de Oliveira
- Coordenação Geral de Vigilância e Resposta às Emergências em Saúde Pública (CGVR/DEVIT), Ministry of Health, Brasília, Brazil.,Center of Data and Knowledge Integration for Health (CIDACS), Fundação Oswaldo Cruz (FIOCRUZ), Salvador, Brazil
| | - E H Carmo
- Departamento de Vigilância das Doenças Transmissíveis, Ministry of Health, Brasilia, Brazil
| | - G E Coelho
- Coordenação Geral dos Programas de Controle e Prevenção da Malária e das Doenças Transmitidas pelo Aedes, Ministry of Health, Brasília, Brazil.,Pan American Health Organization (PAHO), Buenos Aires, Argentina
| | - A C F S Santelli
- Coordenação Geral dos Programas de Controle e Prevenção da Malária e das Doenças Transmitidas pelo Aedes, Ministry of Health, Brasília, Brazil.,Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
| | - L C Vinhal
- Coordenação Geral dos Programas de Controle e Prevenção da Malária e das Doenças Transmitidas pelo Aedes, Ministry of Health, Brasília, Brazil
| | - C M Henriques
- Departamento de Vigilância das Doenças Transmissíveis, Ministry of Health, Brasilia, Brazil
| | - J T Simpson
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - M Loose
- University of Nottingham, Nottingham, UK
| | - K G Andersen
- Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, California 92037, USA
| | - N D Grubaugh
- Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, California 92037, USA
| | - S Somasekar
- Departments of Laboratory Medicine and Medicine &Infectious Diseases, University of California, San Francisco, California, USA
| | - C Y Chiu
- Departments of Laboratory Medicine and Medicine &Infectious Diseases, University of California, San Francisco, California, USA
| | - J E Muñoz-Medina
- División de Laboratorios de Vigilancia e Investigación Epidemiológica, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - C R Gonzalez-Bonilla
- División de Laboratorios de Vigilancia e Investigación Epidemiológica, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - C F Arias
- Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | | | | | - A O Chieppe
- Laboratório Central de Saúde Pública Noel Nutels, Rio de Janeiro, Brazil
| | - S F Aguiar
- Laboratório Central de Saúde Pública Noel Nutels, Rio de Janeiro, Brazil
| | - C A Fernandes
- Laboratório Central de Saúde Pública Noel Nutels, Rio de Janeiro, Brazil
| | - P S Lemos
- Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - B L S Nascimento
- Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - H A O Monteiro
- Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - I C Siqueira
- Fundação Oswaldo Cruz (FIOCRUZ), Salvador, Bahia, Brazil
| | - M G de Queiroz
- Laboratório Central de Saúde Pública do Estado do Rio Grande do Norte, Natal, Brazil
| | - T R de Souza
- Laboratório Central de Saúde Pública do Estado do Rio Grande do Norte, Natal, Brazil.,Universidade Potiguar do Rio Grande do Norte, Natal, Brazil
| | - J F Bezerra
- Laboratório Central de Saúde Pública do Estado do Rio Grande do Norte, Natal, Brazil.,Faculdade Natalense de Ensino e Cultura, Rio Grande do Norte, Natal, Brazil
| | - M R Lemos
- Laboratório Central de Saúde Pública do Estado da Paraíba, João Pessoa, Brazil
| | - G F Pereira
- Laboratório Central de Saúde Pública do Estado da Paraíba, João Pessoa, Brazil
| | - D Loudal
- Laboratório Central de Saúde Pública do Estado da Paraíba, João Pessoa, Brazil
| | - L C Moura
- Laboratório Central de Saúde Pública do Estado da Paraíba, João Pessoa, Brazil
| | - R Dhalia
- Fundação Oswaldo Cruz (FIOCRUZ), Recife, Pernambuco, Brazil
| | - R F França
- Fundação Oswaldo Cruz (FIOCRUZ), Recife, Pernambuco, Brazil
| | - T Magalhães
- Fundação Oswaldo Cruz (FIOCRUZ), Recife, Pernambuco, Brazil.,Department of Microbiology, Immunology &Pathology, Colorado State University, Fort Collins, Colorado 80523, USA
| | - E T Marques
- Fundação Oswaldo Cruz (FIOCRUZ), Recife, Pernambuco, Brazil
| | - T Jaenisch
- Section Clinical Tropical Medicine, Department for Infectious Diseases, Heidelberg University Hospital, Heidelberg, Germany
| | - G L Wallau
- Fundação Oswaldo Cruz (FIOCRUZ), Recife, Pernambuco, Brazil
| | - M C de Lima
- Laboratório Central de Saúde Pública do Estado de Alagoas, Maceió, Brazil
| | - V Nascimento
- Laboratório Central de Saúde Pública do Estado de Alagoas, Maceió, Brazil
| | - E M de Cerqueira
- Laboratório Central de Saúde Pública do Estado de Alagoas, Maceió, Brazil
| | - M M de Lima
- Universidade Estadual de Feira de Santana, Feira de Santana, Bahia, Brazil
| | - D L Mascarenhas
- Secretaria de Saúde de Feira de Santana, Feira de Santana, Bahia, Brazil
| | | | - A S Levin
- Department of Infectious Disease, School of Medicine &Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | - T R Tozetto-Mendoza
- Department of Infectious Disease, School of Medicine &Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | - S N Fonseca
- Hospital São Francisco, Ribeirão Preto, Brazil
| | - M C Mendes-Correa
- Department of Infectious Disease, School of Medicine &Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | - F P Milagres
- Universidade Federal do Tocantins, Palmas, Brazil
| | - A Segurado
- Department of Infectious Disease, School of Medicine &Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | | | - A Rambaut
- Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 3FL, UK.,Fogarty International Center, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - T Bedford
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - M R T Nunes
- Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil.,Department of Pathology, University of Texas Medical Branch, Galveston, Texas 77555, USA
| | - E C Sabino
- Department of Infectious Disease, School of Medicine &Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | | | - N J Loman
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK
| | - O G Pybus
- Department of Zoology, University of Oxford, Oxford OX1 3SY, UK.,Metabiota, San Francisco, California 94104, USA
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9
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Azevedo RSS, Araujo MT, Martins Filho AJ, Oliveira CS, Nunes BTD, Cruz ACR, Nascimento AGPAC, Medeiros RC, Caldas CAM, Araujo FC, Quaresma JAS, Vasconcelos BCB, Queiroz MGL, da Rosa EST, Henriques DF, Silva EVP, Chiang JO, Martins LC, Medeiros DBA, Lima JA, Nunes MRT, Cardoso JF, Silva SP, Shi PY, Tesh RB, Rodrigues SG, Vasconcelos PFC. Zika virus epidemic in Brazil. I. Fatal disease in adults: Clinical and laboratorial aspects. J Clin Virol 2016; 85:56-64. [PMID: 27835759 DOI: 10.1016/j.jcv.2016.10.024] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [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: 08/16/2016] [Revised: 10/26/2016] [Accepted: 10/31/2016] [Indexed: 11/29/2022]
Abstract
BACKGROUND Zika virus (ZIKV) was first detected in Brazil in May 2015 and the country experienced an explosive epidemic. However, recent studies indicate that the introduction of ZIKV occurred in late 2013. Cases of microcephaly and deaths associated with ZIKV infection were identified in Brazil in November, 2015. OBJECTIVES To determine the etiology of three fatal adult cases. STUDY DESIGN Here we report three fatal adult cases of ZIKV disease. ZIKV infection in these patients was confirmed by cells culture and/or real-time reverse transcriptase polymerase chain reaction (RT-qPCR) and by antigen detection using immunohistochemical assay. Samples of brain and other selected organs taken at autopsy from three patients were also analyzed by histopathological and immunohistological examination. RESULTS The first patient, a 36-year-old man with lupus and receiving prednisone therapy, developed a fulminant ZIKV infection. At autopsy, RT-qPCR of blood and tissues was positive for ZIKV RNA, and the virus was cultured from an organ homogenate. The second patient, a previously healthy female, 16 years of age, presented classic symptoms of Zika fever, but later developed severe thrombocytopenia, anemia and hemorrhagic manifestations and died. A blood sample taken on the seventh day of her illness was positive RT-PCR for ZIKV RNA and research in the serum was positive for antinuclear factor fine speckled (1/640), suggesting Evans syndrome (hemolytic anemia an autoimmune disorder with immune thrombocytopenic purpura) secondary to ZIKV infection. The third patient was a 20-year-old woman hospitalized with fever, pneumonia and hemorrhages, who died on 13days after admission. Histopathological changes were observed in all viscera examined. ZIKV antigens were detected by immunohistochemistry in viscera specimens of patients 1 and 3. These three cases demonstrate other potential complications of ZIKV infection, in addition to microcephaly and Guillain-Barre syndrome (GBS), and they suggest that individuals with immune suppression and/or autoimmune disorders may be at higher risk of developing severe disease, if infected with ZIKV.
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Affiliation(s)
- Raimunda S S Azevedo
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil; Programa de Pós-graduação em Virologia (PPGV) do Instituto Evandro Chagas, Ananindeua, Pará, Brazil.
| | - Marialva T Araujo
- Seção de Patologia, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Arnaldo J Martins Filho
- Seção de Patologia, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Consuelo S Oliveira
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Bruno T D Nunes
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Ana C R Cruz
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil; Departamento de Patologia, Universidade do Estado do Pará, Belém, Pará, Brazil.
| | | | - Rita C Medeiros
- Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Pará, Brazil.
| | - Cezar A M Caldas
- Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Pará, Brazil.
| | - Fernando C Araujo
- Hospital Universitário João de Barros Barreto, Universidade Federal do Pará, Belém, Pará, Brazil.
| | - Juarez A S Quaresma
- Departamento de Patologia, Universidade do Estado do Pará, Belém, Pará, Brazil.
| | | | - Maria G L Queiroz
- Laboratório Central, Secretaria de Saúde Pública do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil.
| | - Elizabeth S Travassos da Rosa
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Daniele F Henriques
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Eliana V P Silva
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Jannifer O Chiang
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Lívia C Martins
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Daniele B A Medeiros
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Juliana A Lima
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Márcio R T Nunes
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Jedson F Cardoso
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil; Programa de Pós-graduação em Virologia (PPGV) do Instituto Evandro Chagas, Ananindeua, Pará, Brazil.
| | - Sandro P Silva
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Pei-Yong Shi
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA.
| | - Robert B Tesh
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA.
| | - Sueli G Rodrigues
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil.
| | - Pedro F C Vasconcelos
- Seção de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, Ananindeua, Pará, Brazil; Departamento de Patologia, Universidade do Estado do Pará, Belém, Pará, Brazil.
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10
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Almeida AK, Resende KT, St-Pierre N, Silva SP, Soares DC, Fernandes MHMR, Souza AP, Silva NCD, Lima ARC, Teixeira IAMA. Energy requirements for growth in male and female Saanen goats. J Anim Sci 2016; 93:3932-40. [PMID: 26440173 DOI: 10.2527/jas.2014-8632] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The aim of this study was to investigate the energy requirements of female and intact and castrated male Saanen goats. Animals were randomly assigned to 1 of 2 experiments designed to investigate the energy requirements for maintenance and gain. To determine the maintenance requirements, 85 goats were used (26 intact males, 30 castrated males, and 29 females) with an initial BW of 30.3 ± 0.87 kg. Thirty goats (8 intact males, 9 castrated males, and 13 females) were slaughtered to be used as the baseline group. The remaining goats were assigned in a split-plot design using a 3 × 3 factorial arrangement (3 sexes-intact males, castrated males, and females-and 3 DMI levels-ad libitum and restricted fed to 75 or 50% of the ad libitum intake). The NE was obtained using 65 goats (20 intact males, 22 castrated males, and 23 females) fed ad libitum in a completely randomized design. Eight intact males, 9 castrated males, and 13 females were slaughtered at 30.5 ± 1.53 kg BW. Seventeen goats (6 intact males, 6 castrated males, and 5 females) were slaughtered at 38.1 ± 0.49 kg BW. The remaining goats were slaughtered at 44.0 ± 0.50 kg BW. The NE did not differ between the sexes ( = 0.59; 258.5 kJ/kg BW), resulting in a ME for maintenance of 412.4 kJ/kg BW. The estimated energy use efficiency for maintenance was 0.627. During the growth phase, NE differed between the sexes ( < 0.001); intact males, castrated males, and females showed an average NE equal to 15.2, 18.6, and 22.7 MJ/kg of empty weight gain, respectively. The energy requirements for growth differed between the sexes. The difference was found to be due to distinct NE and partial efficiency of ME utilization for growth in intact and castrated males and females during the late growth phase. This study may contribute to adjustments in feeding system energy recommendations regarding the NE and NE found for goats during the late growth phase.
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11
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Viegas LP, Silva SP, Silva SL, Campos Melo A, Serra-Caetano A, Branco-Ferreira M, Azevedo P, Pereira-Santos MC, Pereira-Barbosa M. Severe bronchiectasis in a patient with common variable immunodeficiency. Eur Ann Allergy Clin Immunol 2015; 47:95-98. [PMID: 25951148] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
BACKGROUND Bronchiectasis are common in Common Variable Immunodeficiency. These patients are prone to infection, leading to progressive lung destruction and accelerated FEV1 decline. CLINICAL CASE 40 year-old man, with recurrent respiratory infections, autoimmunity and diarrhea since age 7. At 17 CVID was diagnosed and IVIgG was started. During the following years, respiratory symptoms progressively worsened and bronchiectasis was found on thoracic computed tomography. Bronchoscopy revealed Pseudomonas aeruginosa in bronchoalveolar lavage and bronchial secretions cultures. Eradication therapy led to clinical improvement. DISCUSSION This case report stresses the importance of regular microbiological screening and appropriate antibiotherapy. Early/aggressive treatment may significantly impact on patients' evolution.
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Affiliation(s)
- L Paulos Viegas
- Immunoallergology Department, Hospital de Santa Maria - Centro Hospitalar Lisboa Norte CHLN, Lisboa, Portugal. Av. Professor Egas Moniz 1649-035 Lisbon, Portugal. E-mail: Phone: +351 918 65 11 06
| | - S P Silva
- Immunoallergology Department, Hospital de Santa Maria - Centro Hospitalar Lisboa Norte CHLN, Lisboa, Portugal. Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - S L Silva
- Immunoallergology Department, Hospital de Santa Maria - Centro Hospitalar Lisboa Norte CHLN, Lisboa, Portugal. Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal. Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - A Campos Melo
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - A Serra-Caetano
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - M Branco-Ferreira
- Immunoallergology Department, Hospital de Santa Maria - Centro Hospitalar Lisboa Norte CHLN, Lisboa, Portugal. Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - P Azevedo
- Serviço de Pneumologia, Hospital Santa Maria, CHLN, Lisboa, Portugal
| | - M C Pereira-Santos
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal. Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - M Pereira-Barbosa
- Immunoallergology Department, Hospital de Santa Maria - Centro Hospitalar Lisboa Norte CHLN, Lisboa, Portugal. Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
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12
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Arbo MD, Silva R, Barbosa DJ, Dias da Silva D, Silva SP, Teixeira JP, Bastos ML, Carmo H. In vitro neurotoxicity evaluation of piperazine designer drugs in differentiated human neuroblastoma SH-SY5Y cells. J Appl Toxicol 2015; 36:121-30. [PMID: 25900438 DOI: 10.1002/jat.3153] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [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: 01/19/2015] [Revised: 02/13/2015] [Accepted: 02/23/2015] [Indexed: 12/12/2022]
Abstract
Abuse of synthetic drugs is widespread worldwide. Studies indicate that piperazine designer drugs act as substrates at dopaminergic and serotonergic receptors and/or transporters in the brain. This work aimed to investigate the cytotoxicity of N-benzylpiperazine, 1-(3-trifluoromethylphenyl)piperazine, 1-(4-methoxyphenyl)piperazine and 1-(3,4-methylenedioxybenzyl)piperazine in the differentiated human neuroblastoma SH-SY5Y cell line. Cytotoxicity was evaluated after 24 h incubations through the MTT reduction and neutral red uptake assays. Oxidative stress (reactive oxygen and nitrogen species production and glutathione content) and energetic (ATP content) parameters, as well as intracellular Ca(2+), mitochondrial membrane potential, DNA damage (comet assay) and cell death mode were also evaluated. Complete cytotoxicity curves were obtained after 24 h incubations with each drug. A significant decrease in intracellular total glutathione content was noted for all the tested drugs. All drugs caused a significant increase of intracellular free Ca(2+) levels, accompanied by mitochondrial hyperpolarization. However, ATP levels remained unchanged. The investigation of cell death mode revealed a predominance of early apoptotic cells. No genotoxicity was found in the comet assay. Among the tested drugs, 1-(3-trifluoromethylphenyl)piperazine was the most cytotoxic. Overall, piperazine designer drugs are potentially neurotoxic, supporting concerns on risks associated with the abuse of these drugs.
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Affiliation(s)
- M D Arbo
- REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - R Silva
- REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - D J Barbosa
- REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal.,Cell Division Mechanisms Group, Institute for Molecular and Cell Biology - IBMC, Porto, Portugal
| | - D Dias da Silva
- REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - S P Silva
- Instituto Nacional de Saúde Dr. Ricardo Jorge (INSA), Porto, Portugal
| | - J P Teixeira
- Instituto Nacional de Saúde Dr. Ricardo Jorge (INSA), Porto, Portugal
| | - M L Bastos
- REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - H Carmo
- REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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13
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Silva SP, Dilcher M, Weber F, Hufert FT, Weidmann M, Cardoso JF, Carvalho VL, Chiang JO, Martins LC, Lima CPS, Da Silva DEA, Vianez-Júnior JLSG, Popov VL, Travassos da Rosa APA, Tesh RB, Vasconcelos PFC, Nunes MRT. Genetic and biological characterization of selected Changuinola viruses (Reoviridae, Orbivirus) from Brazil. J Gen Virol 2014; 95:2251-2259. [PMID: 24986085 DOI: 10.1099/vir.0.064691-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The genus Orbivirus of the family Reoviridae comprises 22 virus species including the Changuinola virus (CGLV) serogroup. The complete genome sequences of 13 CGLV serotypes isolated between 1961 and 1988 from distinct geographical areas of the Brazilian Amazon region were obtained. All viral sequences were obtained from single-passaged CGLV strains grown in Vero cells. CGLVs are the only orbiviruses known to be transmitted by phlebotomine sandflies. Ultrastructure and molecular analysis by electron microscopy and gel electrophoresis, respectively, revealed viral particles with typical orbivirus size and morphology, as well as the presence of a segmented genome with 10 segments. Full-length nucleotide sequencing of each of the ten RNA segments of the 13 CGLV serotypes provided basic information regarding the genome organization, encoded proteins and genetic traits. Segment 2 (encoding VP2) of the CGLV is uncommonly larger in comparison to those found in other orbiviruses and shows varying sizes even among different CGLV serotypes. Phylogenetic analysis support previous serological findings, which indicate that CGLV constitutes a separate serogroup within the genus Orbivirus. In addition, six out of 13 analysed CGLV serotypes showed reassortment of their genome segments.
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Affiliation(s)
- Sandro P Silva
- Center for Technological Innovation of Evandro Chagas Institute, Ministry of Health, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Meik Dilcher
- Department of Virology, University Medical Center Göttingen, Kreuzbergring 57, D-37075 Göttingen, Germany
| | - Franziska Weber
- Department of Virology, University Medical Center Göttingen, Kreuzbergring 57, D-37075 Göttingen, Germany
| | - Frank T Hufert
- Department of Virology, University Medical Center Göttingen, Kreuzbergring 57, D-37075 Göttingen, Germany
| | - Manfred Weidmann
- Institute of Aquaculture, University of Stirling, Stirling FK9 4LA, UK
| | - Jedson F Cardoso
- Center for Technological Innovation of Evandro Chagas Institute, Ministry of Health, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Valéria L Carvalho
- Departamento de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Jannifer O Chiang
- Departamento de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Lívia C Martins
- Departamento de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Clayton P S Lima
- Center for Technological Innovation of Evandro Chagas Institute, Ministry of Health, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Daisy E A Da Silva
- Center for Technological Innovation of Evandro Chagas Institute, Ministry of Health, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - João L S G Vianez-Júnior
- Center for Technological Innovation of Evandro Chagas Institute, Ministry of Health, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Vsevolod L Popov
- Department of Pathology, Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Amélia P A Travassos da Rosa
- Department of Pathology, Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Robert B Tesh
- Department of Pathology, Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Pedro F C Vasconcelos
- Departamento de Patologia, Universidade do Estado do Pará, Belém, Brazil.,Departamento de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ministério da Saúde, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
| | - Márcio R T Nunes
- Center for Technological Innovation of Evandro Chagas Institute, Ministry of Health, BR 316, Km 07, s/n CEP 67.030-000, Ananindeua, Brazil
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14
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Casseb AR, Cruz AV, Jesus IS, Chiang JO, Martins LC, Silva SP, Henriques DF, Casseb LM, Vasconcelos PFC. Seroprevalence of flaviviruses antibodies in water buffaloes (Bubalus bubalis) in Brazilian Amazon. J Venom Anim Toxins Incl Trop Dis 2014; 20:9. [PMID: 24666635 PMCID: PMC3974233 DOI: 10.1186/1678-9199-20-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Accepted: 03/07/2014] [Indexed: 11/15/2022] Open
Abstract
Background The state of Pará encompasses 26% of Brazilian Amazon where an enormous diversity of arboviruses has been found. This study aimed to assess the prevalence and distribution of hemagglutination-inhibition antibodies against antigens of six Flavivirus (yellow fever virus, Ilheus virus, Saint Louis encephalitis virus, Cacipacore virus, Bussuquara virus and Rocio virus) in water buffaloes in Pará state, Brazil. The prevalence of antibodies in these farm animals is important to determine the circulating arboviruses. Findings All investigated arboviruses were detected in the species studied and our results indicate that water buffaloes are susceptible to Flavivirus infection. Furthermore, there is solid evidence of active circulation of these viruses in the Brazilian Amazon. Conclusions Water buffaloes showed higher prevalence of heterotypic antibody reactions and we hypothesized that they can serve as sentinels to detect the movement of such arboviruses in the Brazilian Amazon.
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Affiliation(s)
- Alexandre R Casseb
- Institute of Health and Livestock Production, Federal Rural University of the Amazon (UFRA), Belém, Pará State, Brazil.
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15
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Cavalcanti AS, Brito A, Salustiano DM, Lima KO, Silva SP, Diaz RS, Lacerda HR. P3.256 Transmitted Resistance Among Individuals Recently Diagnosed with HIV/AIDS in the Metropolitan Region of Recife, Northeast of Brazil. Br J Vener Dis 2013. [DOI: 10.1136/sextrans-2013-051184.0712] [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: 11/03/2022]
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16
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Barbosa RR, Silva SP, Silva SL, Tendeiro R, Melo AC, Pedro E, Barbosa MP, Santos MCP, Victorino RMM, Sousa AE. Monocyte activation is a feature of common variable immunodeficiency irrespective of plasma lipopolysaccharide levels. Clin Exp Immunol 2012; 169:263-72. [PMID: 22861366 DOI: 10.1111/j.1365-2249.2012.04620.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Common variable immunodeficiency disorders (CVID), the most frequent cause of symptomatic primary immunodeficiency, are defined by impaired antibody production. Notwithstanding, T cell activation and granulomatous manifestations represent the main causes of CVID morbidity even in patients receiving immunoglobulin (Ig) G replacement therapy. Additionally, gut pathology is a frequent feature of CVID. In this study, we investigated monocyte imbalances and their possible relationship with increased microbial translocation in CVID patients. Monocyte subsets were defined according to CD14 and CD16 expression levels and evaluated in terms of human leucocyte antigen D-related (HLA-DR), CD86 and programmed death-1 molecule ligand 1 (PD-L1) expression by flow cytometry, in parallel with the quantification of plasma lipopolysaccharide (LPS) and serum levels of soluble CD14 (sCD14), LPS-binding protein (LBP) and anti-LPS antibodies. CVID patients (n=31) featured significantly increased levels of serum sCD14 and an expansion of CD14(bright) CD16(+) monocytes in direct correlation with T cell and B cell activation, the latter illustrated by the frequency of the CD21(low) CD38(low) subset. Such alterations were not observed in patients lacking B cells due to congenital agammaglobulinaemia (n=4). Moreover, we found no significant increase in circulating LPS or LBP levels in CVID patients, together with a relative preservation of serum anti-LPS antibodies, in agreement with their presence in commercial IgG preparations. In conclusion, CVID was associated with monocyte imbalances that correlated directly with T cell activation markers and with B cell imbalances, without an association with plasma LPS levels. The heightened monocyte activated state observed in CVID may represent an important target for complementary therapeutic strategies.
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Affiliation(s)
- R R Barbosa
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa Serviço de Imunoalergologia, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisboa, Portugal
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17
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Silva SP, Mota RA, Faria EB, Fernandes EF, Neto OL, Albuquerque PP, Dias HL. Anticorpos IgG anti-Neospora caninum e Toxoplasma gondii em búfalas (Bubalus bubalis) criadas no estado do Pará. Pesq Vet Bras 2010. [DOI: 10.1590/s0100-736x2010000500012] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Para determinar a ocorrência de anticorpos IgG anti-Neospora caninum e Toxoplasma gondii em 14 unidades produtivas de búfalos, situadas em 13 municípios no estado do Pará, foram coletadas amostras de soro sanguíneo de 374 fêmeas adultas. Os soros foram submetidos à reação de imunofluorescência indireta (RIFI), utilizando-se os títulos 200 e 64, respectivamente como ponto de corte para N. caninum e T. gondii. Obteve-se 153 (40,9%) de animais soropositivos para N. caninum com 100% das propriedades com focos da infecção, enquanto que quatro búfalas (1,1%) foram soropositivas em quatro fazendas para T. gondii e uma búfala (0,27%) foi soropositiva para ambos parasitos. A presença de anticorpos é um indicativo da circulação desses protozoários em búfalos das propriedades estudadas, representando uma fonte de infecção para outros animais, assim como o possível envolvimento em distúrbios reprodutivos nessa espécie.
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18
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Ruffini G, Dunne S, Farres E, Cester I, Watts PCP, Silva SP, Grau C, Fuentemilla L, Marco-Pallares J, Vandecasteele B. ENOBIO dry electrophysiology electrode; first human trial plus wireless electrode system. ACTA ACUST UNITED AC 2008; 2007:6690-4. [PMID: 18003561 DOI: 10.1109/iembs.2007.4353895] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
This paper presents the results of the first human trials with the ENOBIO electrophysiology electrode prototype plus the initial results of a new wireless prototype with flexible electrodes based on the same platform. The results indicate that a dry active electrode that employs a CNT array as the electrode interface can perform on a par with traditional "wet" electrodes for the recording of EEG, ECG, EOG and EMG. We also demonstrate a new platform combining wireless technology plus flexible electrodes for improved comfort for applications that take advantage of the dry electrode concept.
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Affiliation(s)
- Giulio Ruffini
- Starlab Barcelona S.L., C. de l'Observatori, s/n, Barcelona, 08035 Spain.
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19
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Venancio EJ, Kyaw CM, Mello CV, Silva SP, Soares CMA, Felipe MSS, Silva-Pereira I. Identification of differentially expressed transcripts in the human pathogenic fungus Paracoccidioides brasiliensis by differential display. Med Mycol 2002; 40:45-51. [PMID: 11862980 DOI: 10.1080/mmy.40.1.45.51] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Paracoccidioides brasiliensis is a dimorphic human pathogenic fungus that is the causal agent of paracoccidioidomycosis, a systemic disease that predominantly affects rural communities in South and Central America. Dimorphism is a common characteristic of systemic human pathogenic fungi. Here we describe the use of differential display (DD) to isolate and identify differentially expressed genes of P. brasiliensis, in the two cell types, yeast (Y) and mycelium (M), as well as at different time intervals during temperature-induced M to Y transition. Using two oligo-deoxythymidine-anchored primers combined with 10 arbitrary ones, we were able to detect the presence of at least 20 differentially transcribed cDNA fragments. Some of these fragments were further analysed by reverse-northern blot and northern blot in order to confirm their differential expression. The M32, M51 and M73 cDNA fragments were specific for the mycelial form of P. brasiliensis. Furthermore, we found two cDNA fragments (M-Y1 and M-Y2) that were upregulated during M-Y transition. This method was efficient and useful in the detection of differentially expressed genes in P. brasiliensis.
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Affiliation(s)
- E J Venancio
- Universidade de Brasilia, Instituto de Biologia, Departamento de Biologia Celular, DF, Brasil
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20
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Seneviratne RS, Silva SP, Wickremasinghe RS, Athukorale D. Cervico-facial actinomycosis. Ceylon Med J 2000; 45:182-3. [PMID: 11293972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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21
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Brasil P, de Lima DB, de Paiva DD, Lobo MS, Sodré FC, Silva SP, Villela EV, Silva EJ, Peralta JM, Morgado M, Moura H. Clinical and diagnostic aspects of intestinal microsporidiosis in HIV-infected patients with chronic diarrhea in Rio de Janeiro, Brazil. Rev Inst Med Trop Sao Paulo 2000; 42:299-304. [PMID: 11136515 DOI: 10.1590/s0036-46652000000600001] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The objectives of this study were to determine both the prevalence of microsporidial intestinal infection and the clinical outcome of the disease in a cohort of 40 HIV-infected patients presenting with chronic diarrhea in Rio de Janeiro, Brazil. Each patient, after clinical evaluation, had stools and intestinal fragments examined for viral, bacterial and parasitic pathogens. Microsporidia were found in 11 patients (27.5%) either in stools or in duodenal or ileal biopsies. Microsporidial spores were found more frequently in stools than in biopsy fragments. Samples examined using transmission electron microscopy (n=3) or polymerase chain reaction (n=6) confirmed Enterocytozoon bieneusi as the causative agent. Microsporidia were the only potential enteric pathogens found in 5 of the 11 patients. Other pathogens were also detected in the intestinal tract of 21 patients, but diarrhea remained unexplained in 8. We concluded that microsporidial infection is frequently found in HIV infected persons in Rio de Janeiro, and it seems to be a marker of advanced stage of AIDS.
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Affiliation(s)
- P Brasil
- Laboratório de Parasitologia, Departamento de Patologia, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, RJ, Brasil.
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22
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Cunha AF, Sousa MV, Silva SP, Jesuíno RS, Soares CM, Felipe MS. Identification, N-terminal region sequencing and similarity analysis of differentially expressed proteins in Paracoccidioides brasiliensis. Med Mycol 1999; 37:115-21. [PMID: 10361267] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
Paracoccidioides brasiliensis is the causal agent of paracoccidioidomycosis, which is a systemic mycosis in Latin America. This human pathogen is a dimorphic fungus existing as mycelium (26 degrees C) and in infected tissues as a yeast form (36 degrees C). The in vitro differentiation process is reversible and dependent on temperature shift. In the present study, the total proteins from both forms of P. brasiliensis (isolate Pb01) were analysed by two-dimensional electrophoresis. Differentially expressed proteins were identified. Two of these proteins, PbM46 (mycelium) and PbY20 (yeast), were submitted to automated protein sequencing of their N-terminal regions. The 15 amino acid residue sequence of PbM46, AITKIFALKVYDSSG, is similar to enolases from several sources, and specially those from Saccharomyces cerevisiae (80%) and Candida albicans (67%), when compared to the NR database at NCBI using the BLASTP program. The 34 amino acid residue sequence of PbY20, APKIAIVFYSLYGHIQKLAEAQKKGIEAAGGTAD, could probably represent an allergen protein since it is very similar (90%) to the minor allergen protein of Alternaria alternata and 82% similar to the allergen protein of Cladosporium herbarum. This comparative analysis of proteins from mycelium and yeast forms has allowed the identification and characterization of differentially expressed proteins, probably related to differential gene expression in P. brasiliensis.
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Affiliation(s)
- A F Cunha
- Laboratorio de Biologia Molecular, Centro Brasileiro de Sequenciamento de Proteinas, ICB, Universidade de Brasilia, Brasilia, Brazil
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Moura H, Fernandes O, Viola JP, Silva SP, Passos RH, Lima DB. Enteric parasites and HIV infection: occurrence in AIDS patients in Rio de Janeiro, Brazil. Mem Inst Oswaldo Cruz 1989; 84:527-33. [PMID: 2487448 DOI: 10.1590/s0074-02761989000400010] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The occurrence of intestinal parasites, its relation with the transmission mechanism of HIV, and the clinical state of the AIDS patients, were analyzed in 99 Group IV patients (CDC, 1986), treated at "Hospital Universitário Pedro Ernesto" (HUPE), between 1986 and 1988. The group consisted of 79 (79.8%) patients whose HIV transmission mechanism took place through sexual contact and of 16 (20.2%) who were infected through blood. Feces samples from each patient were examined by four distincts methods (Faust et al., Kato-Katz, Baermann-Moraes and Baxby et al.). The most occurring parasites were: Cryptosporidium sp., Entamoeba coli and Endolimax nana (18.2%), Strongyloides stercoralis and Giardia lamblia (15.2%), E. histolytica and/or E. hartmanni (13.1%), Ascaris lumbricoides (11.1%) and Isospora belli (10.1%). Furthermore, 74.7% of the patients carried at least one species. Intestinal parasites were found in 78.5% of the patients who acquired the HIV through sexual intercourse and in 56.3% of those infected by blood contamination. The difference, was not statistically significant (p greater than 0.05). In the group under study, the increase of the occurrence of parasitic infections does not seem to depend on the acquisition of HIV through sexual contact. It appears that in developing countries, the dependency is more related to the classic mechanisms of parasites transmission and its endemicity.
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Affiliation(s)
- H Moura
- Universidade do Estado do Rio de Janeiro, Faculdade de Ciências Médicas, Departamento de Patologia e Laboratórios, Brasil
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