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Rodrigues MS, Nascimento JPS, Simões PDS, De Mattos Camargo Grossmann S, Horta MCR, Oliveira LJ, Souza PEA. MYOEPITHELIOMA OF THE UPPER LIP: A CASE REPORT. Oral Surg Oral Med Oral Pathol Oral Radiol 2022. [DOI: 10.1016/j.oooo.2022.01.213] [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: 11/24/2022]
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Rodrigues MS, Nascimento RM, Silva ERSE, Souto GR, De Mattos Camargo Grossmann S, Souza PEA, Oliveira LJ. DENTIGEROUS CYST IN AN EDENTULOUS ELDERLY PATIENT WITH TOOTH DILACERATION. Oral Surg Oral Med Oral Pathol Oral Radiol 2022. [DOI: 10.1016/j.oooo.2022.01.214] [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: 10/15/2022]
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Dario MA, Pavan MG, Rodrigues MS, Lisboa CV, Kluyber D, Desbiez ALJ, Herrera HM, Roque ALR, Lima L, Teixeira MMG, Jansen AM. Trypanosoma rangeli Genetic, Mammalian Hosts, and Geographical Diversity from Five Brazilian Biomes. Pathogens 2021; 10:736. [PMID: 34207936 PMCID: PMC8230690 DOI: 10.3390/pathogens10060736] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/26/2021] [Accepted: 03/30/2021] [Indexed: 12/19/2022] Open
Abstract
Trypanosoma rangeli is a generalist hemoflagellate that infects mammals and is transmitted by triatomines around Latin America. Due to its high genetic diversity, it can be classified into two to five lineages. In Brazil, its distribution outside the Amazon region is virtually unknown, and knowledge on the ecology of its lineages and on host species diversity requires further investigation. Here, we analyzed 57 T. rangeli samples obtained from hemocultures and blood clots of 1392 mammals captured in different Brazilian biomes. The samples were subjected to small subunit (SSU) rDNA amplification and sequencing to confirm T. rangeli infection. Phylogenetic inferences and haplotype networks were reconstructed to classify T. rangeli lineages and to infer the genetic diversity of the samples. The results obtained in our study highlighted both the mammalian host range and distribution of T. rangeli in Brazil: infection was observed in five new species (Procyon cancrivorous, Priodontes maximum, Alouatta belzebul, Sapajus libidinosus, and Trinomys dimidiatus), and transmission was observed in the Caatinga biome. The coati (Nasua nasua) and capuchin monkey (S. libidinosus) are the key hosts of T. rangeli. We identified all four T. rangeli lineages previously reported in Brazil (A, B, D, and E) and possibly two new genotypes.
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Affiliation(s)
- Maria Augusta Dario
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro 21040-360, Brazil; (M.A.D.); (M.S.R.); (C.V.L.); (A.L.R.R.)
| | - Márcio Galvão Pavan
- Laboratório de Mosquitos Transmissores de Hematozoários, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro 21040-36, Brazil;
| | - Marina Silva Rodrigues
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro 21040-360, Brazil; (M.A.D.); (M.S.R.); (C.V.L.); (A.L.R.R.)
| | - Cristiane Varella Lisboa
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro 21040-360, Brazil; (M.A.D.); (M.S.R.); (C.V.L.); (A.L.R.R.)
| | - Danilo Kluyber
- Associate Researcher, Naples Zoo at Caribbeans Gardens, Naples, FL 34102, USA;
- Instituto de Conservação de Animais Silvestres (ICAS), Campo Grande 79037-100, Brazil;
| | - Arnaud L. J. Desbiez
- Instituto de Conservação de Animais Silvestres (ICAS), Campo Grande 79037-100, Brazil;
| | - Heitor Miraglia Herrera
- Pós-Graduação em Ciência Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Campo Grande 79117-900, Brazil;
- Pós-Graduação em Ecologia e Conservação, Universidade Federal de Mato Grosso do Sul, Campo Grande 79117-900, Brazil
| | - André Luiz Rodrigues Roque
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro 21040-360, Brazil; (M.A.D.); (M.S.R.); (C.V.L.); (A.L.R.R.)
| | - Luciana Lima
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05508-000, Brazil; (L.L.); (M.M.G.T.)
| | - Marta M. G. Teixeira
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05508-000, Brazil; (L.L.); (M.M.G.T.)
| | - Ana Maria Jansen
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro 21040-360, Brazil; (M.A.D.); (M.S.R.); (C.V.L.); (A.L.R.R.)
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Fonseca GDM, Piotto MR, Rodrigues MS, Melo DSD, Benedito VDL, Marcondes TR, Correia BL, Guimarães GDS, Lapchik MS. USO RACIONAL E SEGURO DE ANTIMICROBIANOS NA ASSISTENCIA DE PACIENTES DA ATENÇÃO PRIMÁRIA À SAÚDE: DIRETRIZES E PROPOSTAS DE MELHORIAS. Braz J Infect Dis 2021. [DOI: 10.1016/j.bjid.2020.101404] [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: 10/22/2022] Open
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Nantes WAG, Santos FM, de Macedo GC, Barreto WTG, Gonçalves LR, Rodrigues MS, Chulli JVM, Rucco AC, Assis WDO, Porfírio GEDO, de Oliveira CE, Xavier SCDC, Herrera HM, Jansen AM. Trypanosomatid species in Didelphis albiventris from urban forest fragments. Parasitol Res 2020; 120:223-231. [PMID: 33079269 DOI: 10.1007/s00436-020-06921-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 07/13/2020] [Accepted: 10/05/2020] [Indexed: 11/29/2022]
Abstract
Urbanization results in loss of natural habitats and, consequently, reduction of richness and abundance of specialist to the detriment of generalist species. We hypothesized that a greater richness of trypanosomatid in Didelphis albiventris would be found in fragments of urban forests in Campo Grande, Mato Grosso do Sul, Brazil, that presented a larger richness of small mammals. We used parasitological, molecular, and serological methods to detect Trypanosoma spp. infection in D. albiventris (n = 43) from forest fragments. PCR was performed with primers specific for 18S rDNA, 24Sα rDNA, mini-chromosome satellites, and mini-exon genes. IFAT was used to detect anti-Trypanosoma cruzi IgG. All hemoculture was negative. We detected trypanosomatid DNA in blood of 35% of opossum. Two opossums were seropositive for T. cruzi. The trypanosomatid species number infecting D. albiventris was higher in the areas with greater abundance, rather than richness of small mammals. We found D. albiventris parasitized by T. cruzi in single and co-infections with Leishmania spp., recently described molecular operational taxonomic unit (MOTU) named DID, and Trypanosoma lainsoni. We concluded that (i) trypanosome richness may be determined by small mammal abundance, (ii) D. albiventris confirmed to be bio-accumulators of trypanosomatids, and (iii) T. lainsoni demonstrated a higher host range than described up to the present.
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Affiliation(s)
- Wesley Arruda Gimenes Nantes
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil
| | - Filipe Martins Santos
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil.
| | - Gabriel Carvalho de Macedo
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil
| | - Wanessa Texeira Gomes Barreto
- Pós-Graduação em Ecologia e Conservação, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - Luiz Ricardo Gonçalves
- Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brazil
| | - Marina Silva Rodrigues
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Andreza Castro Rucco
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil
| | - William de Oliveira Assis
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil
| | | | - Carina Elisei de Oliveira
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil.,Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | | | - Heitor Miraglia Herrera
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil.,Pós-Graduação em Ecologia e Conservação, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil.,Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Ana Maria Jansen
- Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Av. Tamandaré, 6000 - Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil.,Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brazil
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Rodrigues MS, Lima L, Xavier SCDC, Herrera HM, Rocha FL, Roque ALR, Teixeira MMG, Jansen AM. Uncovering Trypanosoma spp. diversity of wild mammals by the use of DNA from blood clots. Int J Parasitol Parasites Wildl 2019; 8:171-181. [PMID: 30847276 PMCID: PMC6389730 DOI: 10.1016/j.ijppaw.2019.02.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 02/11/2019] [Accepted: 02/13/2019] [Indexed: 12/16/2022]
Abstract
Trypanosoma spp. infection in wild mammals is detected mainly through parasitological tests that usually display low sensitivity. We propose the use of DNA extracted directly from blood clots (BC), which are neglected sources of DNA for diagnosis and identification of Trypanosoma spp. This approach followed by nested PCR targeting the 18S SSU rDNA demonstrated to be sensitive and suitable to evaluate the diversity of trypanosomes infecting sylvatic mammals, including subpatent and mixed infections. Infection was detected in 95/120 (79.2%) samples from bats, carnivores and marsupials that included negative serological and hemoculture testing mammals. Thirteen Trypanosoma spp. or Molecular Operational Taxonomic Units (MOTUs) were identified, including two new MOTUs. The high diversity of trypanosomes species and MOTUs infecting bats and marsupials showed that these hosts can be considered as bio-accumulators of Trypanosoma spp., with specimens of Didelphis spp. displaying the highest trypanosome diversity. The use of blood clots allowed direct access to non-culturable parasites, mixed infections, besides bypassing the selective pressure on the parasites inherent to cultivation procedures. Trypanosoma cruzi was the species found infecting the highest number of individuals, followed by T. lainsoni. Positive PCR for T. cruzi was observed in 16 seronegative individuals and 30 individuals with negative hemocultures. Also, T. lainsoni, previously found only in rodents, showed to be capable of infecting bats and marsupials. This finding makes it clear that some species of Trypanosoma are more generalist than previously thought. Molecular diagnosis using nested PCR from DNA extracted from BC allowed the increase of the knowledge about host-spectrum and distribution of Trypanosoma spp. and allowed the identification of new MOTUs.
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Affiliation(s)
- Marina Silva Rodrigues
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Luciana Lima
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | | | - Heitor Miraglia Herrera
- Laboratório de Biologia Parasitária, Universidade Católica Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Fabiana Lopes Rocha
- Programa de Pós-graduação em Ecologia e Monitoramento Ambiental. Universidade Federal da Paraíba. Centro de Ciências Aplicadas e Educação, Rio Tinto, Paraíba, Brazil
| | - André Luiz Rodrigues Roque
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | | | - Ana Maria Jansen
- Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
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Rodrigues MS, Morelli KA, Jansen AM. Cytochrome c oxidase subunit 1 gene as a DNA barcode for discriminating Trypanosoma cruzi DTUs and closely related species. Parasit Vectors 2017; 10:488. [PMID: 29037251 PMCID: PMC5644147 DOI: 10.1186/s13071-017-2457-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [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: 07/08/2017] [Accepted: 10/05/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The DNA barcoding system using the cytochrome c oxidase subunit 1 mitochondrial gene (cox1 or COI) is highly efficient for discriminating vertebrate and invertebrate species. In the present study, we examined the suitability of cox1 as a marker for Trypanosoma cruzi identification from other closely related species. Additionally, we combined the sequences of cox1 and the nuclear gene glucose-6-phosphate isomerase (GPI) to evaluate the occurrence of mitochondrial introgression and the presence of hybrid genotypes. METHODS Sixty-two isolates of Trypanosoma spp. obtained from five of the six Brazilian biomes (Amazon Forest, Atlantic Forest, Caatinga, Cerrado and Pantanal) were sequenced for cox1 and GPI gene fragments. Phylogenetic trees were reconstructed using neighbor-joining, maximum likelihood, parsimony and Bayesian inference methods. Molecular species delimitation was evaluated through pairwise intraspecific and interspecific distances, Automatic Barcode Gap Discovery, single-rate Poisson Tree Processes and multi-rate Poisson Tree Processes. RESULTS Both cox1 and GPI genes recognized and differentiated T. cruzi, Trypanosoma cruzi marinkellei, Trypanosoma dionisii and Trypanosoma rangeli. Cox1 discriminated Tcbat, TcI, TcII, TcIII and TcIV. Additionally, TcV and TcVI were identified as a single group. Cox1 also demonstrated diversity in the discrete typing units (DTUs) TcI, TcII and TcIII and in T. c. marinkellei and T. rangeli. Cox1 and GPI demonstrated TcI and TcII as the most genetically distant branches, and the position of the other T. cruzi DTUs differed according to the molecular marker. The tree reconstructed with concatenated cox1 and GPI sequences confirmed the separation of the subgenus Trypanosoma (Schizotrypanum) sp. and the T. cruzi DTUs TcI, TcII, TcIII and TcIV. The evaluation of single nucleotide polymorphisms (SNPs) was informative for DTU differentiation using both genes. In the cox1 analysis, one SNP differentiated heterozygous hybrids from TcIV sequences. In the GPI analysis one SNP discriminated Tcbat from TcI, while another SNP distinguished TcI from TcIII. CONCLUSIONS DNA barcoding using the cox1 gene is a reliable tool to distinguish T. cruzi from T. c. marinkellei, T. dionisii and T. rangeli and identify the main T. cruzi genotypes.
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Affiliation(s)
- Marina Silva Rodrigues
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Karina Alessandra Morelli
- Department of Ecology, Institute of Biology Roberto Alcantara Gomes, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Maria Jansen
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
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Carvalho LPC, Pereira Júnior AM, Farias ES, Almeida JF, Rodrigues MS, Resadore F, Pessoa FAC, Medeiros JF. A study of Culicoides in Rondônia, in the Brazilian Amazon: species composition, relative abundance and potential vectors. Med Vet Entomol 2017; 31:117-122. [PMID: 27879002 DOI: 10.1111/mve.12208] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Revised: 08/29/2016] [Accepted: 09/14/2016] [Indexed: 06/06/2023]
Abstract
There is very little information available about Culicoides species (Diptera: Ceratopogonidae) in the western Brazilian Amazon. However, studies of the fauna of this region are essential to knowledge of the species and potential vectors within it. Thus, the present study aims to evaluate the abundance, richness and composition of Culicoides species in rural areas in the state of Rondônia, Brazil. Culicoides specimens were collected in forest and pasture environments in the municipality of Porto Velho, using light traps. A total of 1708 individuals (1136 females and 572 males) belonging to 33 species were collected; 28 of these samples represent new records for the state of Rondônia and include the first record of Culicoides contubernalis in Brazil. Culicoides insignis was the most abundant species (86.1%). Species richness was greater in forest areas (32 species, 96.96%), whereas pastures presented the greatest number of Culicoides captured (n = 1540, 90.1%). This study shows that Culicoides populations differ between forest and pasture environments and indicates that the abundance of C. insignis is an important factor in epidemiological vigilance studies in the region.
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Affiliation(s)
- L P C Carvalho
- Programa de Pós-Graduação em Entomologia, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil
- Laboratório de Ecologia de Doenças Transmissíveis da Amazônia, Instituto Leônidas e Maria Deane, Fiocruz Amazônia, Manaus, Amazonas, Brazil
| | - A M Pereira Júnior
- Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Programa de Pós-Graduação em Biologia Experimental, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | - E S Farias
- Laboratório de Ecologia de Doenças Transmissíveis da Amazônia, Instituto Leônidas e Maria Deane, Fiocruz Amazônia, Manaus, Amazonas, Brazil
| | - J F Almeida
- Programa de Pós-Graduação em Condições de Vida e Situação de Saúde na Amazônia (PPGVIDA), Instituto Leônidas e Maria Deane, Fiocruz Amazônia, Manaus, Amazonas, Brazil
| | - M S Rodrigues
- Laboratório de Bioecologia de insetos, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | - F Resadore
- Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Programa de Pós-Graduação em Biologia Experimental, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | - F A C Pessoa
- Laboratório de Ecologia de Doenças Transmissíveis da Amazônia, Instituto Leônidas e Maria Deane, Fiocruz Amazônia, Manaus, Amazonas, Brazil
| | - J F Medeiros
- Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
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Vitorino MV, Fuchs Y, Dane T, Rodrigues MS, Rosenthal M, Panzarella A, Bernard P, Hignette O, Dupuy L, Burghammer M, Costa L. An in situ atomic force microscope for normal-incidence nanofocus X-ray experiments. J Synchrotron Radiat 2016; 23:1110-1117. [PMID: 27577764 DOI: 10.1107/s1600577516011437] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 07/13/2016] [Indexed: 06/06/2023]
Abstract
A compact high-speed X-ray atomic force microscope has been developed for in situ use in normal-incidence X-ray experiments on synchrotron beamlines, allowing for simultaneous characterization of samples in direct space with nanometric lateral resolution while employing nanofocused X-ray beams. In the present work the instrument is used to observe radiation damage effects produced by an intense X-ray nanobeam on a semiconducting organic thin film. The formation of micrometric holes induced by the beam occurring on a timescale of seconds is characterized.
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Affiliation(s)
- M V Vitorino
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - Y Fuchs
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - T Dane
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - M S Rodrigues
- Biosystems and Integrative Sciences Institute (BioISI), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - M Rosenthal
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - A Panzarella
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - P Bernard
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - O Hignette
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - L Dupuy
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - M Burghammer
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
| | - L Costa
- ESRF - The European Synchrotron, 71 Avenue de Martyrs, 38000 Grenoble, France
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Dario MA, Rodrigues MS, Barros JHDS, Xavier SCDC, D’Andrea PS, Roque ALR, Jansen AM. Ecological scenario and Trypanosoma cruzi DTU characterization of a fatal acute Chagas disease case transmitted orally (Espírito Santo state, Brazil). Parasit Vectors 2016; 9:477. [PMID: 27580853 PMCID: PMC5006519 DOI: 10.1186/s13071-016-1754-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 08/12/2016] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Trypanosoma cruzi infection via oral route results in outbreaks or cases of acute Chagas disease (ACD) in different Brazilian regions and poses a novel epidemiological scenario. In the Espírito Santo state (southeastern Brazil), a fatal case of a patient with ACD led us to investigate the enzootic scenario to avoid the development of new cases. At the studied locality, Triatoma vitticeps exhibited high T. cruzi infection rates and frequently invaded residences. METHODS Sylvatic and domestic mammals in the Rio da Prata locality, where the ACD case occurred, and in four surrounding areas (Baia Nova, Buenos Aires, Santa Rita and Todos os Santos) were examined and underwent parasitological and serological tests. Triatomines were collected for a fecal material exam, culturing and mini-exon gene molecular characterization, followed by RFLP-PCR of H3/Alul. Paraffin-embedded cardiac tissue of a patient was washed with xylene to remove paraffin and DNA was extracted using the phenol-chloroform method. For genotype characterization, PCR was performed to amplify the 1f8, GPI and 18S rRNA genes. In the case of V7V8 SSU rRNA, the PCR products were molecularly cloned. PCR products were sequenced and compared to sequences in GenBank. Phylogenetic analysis using maximum likelihood method with 1000 bootstrap replicates was performed. RESULTS None of the animals showed positive hemocultures. Three rodents and two dogs showed signs of infection, as inferred from borderline serological titers. T. vitticeps was the only triatomine species identified and showed T. cruzi infection by DTUs TcI and TcIV. The analysis of cardiac tissue DNA showed mixed infection by T. cruzi (DTUs I, II, III and IV) and Trypanosoma dionisii. CONCLUSIONS Each case or outbreak of ACD should be analyzed as a particular epidemiological occurrence. The results indicated that mixed infections in humans may play a role in pathogenicity and may be more common than is currently recognized. Direct molecular characterization from biological samples is essential because this procedure avoids parasite selection. T. dionisii may under certain and unknown circumstances infect humans. The distribution of T. cruzi DTUS TcIII and TcIV in Brazilian biomes is broader than has been assumed to date.
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Affiliation(s)
- Maria Augusta Dario
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Rio de Janeiro Brazil
| | - Marina Silva Rodrigues
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Rio de Janeiro Brazil
| | | | | | - Paulo Sérgio D’Andrea
- Laboratory of Biology and Parasitology of Wild Reservoir Mammals, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Rio de Janeiro Brazil
| | - André Luiz Rodrigues Roque
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Rio de Janeiro Brazil
| | - Ana Maria Jansen
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Rio de Janeiro Brazil
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Rodrigues MS, Vilela EF, Azevedo DO, Hora RR. Multiple queens in founding colonies of the neotropical ant Pachycondyla striata Smith (Formicidae: Ponerinae). Neotrop Entomol 2011; 40:293-299. [PMID: 21710023 DOI: 10.1590/s1519-566x2011000300001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2010] [Accepted: 07/02/2010] [Indexed: 05/31/2023]
Abstract
In social insects, the typical mode of colony foundation occurs when a single queen is inseminated by a male and establishes a new colony, although we can find interspecific and intraspecific variations in queen number and queen-mating frequencies in a single colony. This study aimed to verify the queen number in Pachycondyla striata (Smith) colonies and to evaluate the level of aggressiveness among workers. We collected 14 colonies of P. striata. The behaviors of individuals from five multiple-queen colonies maintained in laboratory were studied by the method of scan sampling. In order to evaluate aggressiveness, dyadic encounters among heterocolonial and homocolonial workers were performed. The results showed that colonies of P. striata can have two or more mated queens (polygynous colonies) besides to monogynous ones (colony containing one queen). Because in polygynous colonies the number of workers was relatively low, such colonies could represent colonies in the foundation phase that characterize a pleometrosis state. In fact, ovarian development analysis from queens showed that the number of queens in the colonies seemed to be unstable. Despite a few cases of oophagy (egg cannibalism), social hierarchy among queens is unclear in comparison to other Pachycondyla species. In addition, aggressiveness increased with distance among nests. Nearby colonies (less than 1 m apart) showed a low level of aggressiveness, suggesting the presence of polydomy, that is, a unique colony can occupy multiple nests. Polygyny associated to polydomy in founding colonies may confer benefits on growth and dispersion of colonies in the studied environments.
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Affiliation(s)
- M S Rodrigues
- Departamento de Biologia Animal, Universidade Federal de Viçosa, Viçosa, MG, Brasil.
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Affiliation(s)
- Marina Silva Rodrigues
- Departamento de Genética, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Rodrigues MS, Ferreira LS, Converti A, Sato S, Carvalho JCM. Fed-batch cultivation of Arthrospira (Spirulina) platensis: potassium nitrate and ammonium chloride as simultaneous nitrogen sources. Bioresour Technol 2010; 101:4491-4498. [PMID: 20153635 DOI: 10.1016/j.biortech.2010.01.054] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2009] [Revised: 01/10/2010] [Accepted: 01/14/2010] [Indexed: 05/28/2023]
Abstract
Arthrospiraplatensis was cultivated in minitanks at 13 klux, using a mixture of KNO(3) and NH(4)Cl as nitrogen source. Fed-batch daily supply of NH(4)Cl at exponentially-increasing feeding rate allowed preventing ammonia toxicity and nitrogen deficiency, providing high maximum cell concentration (X(m)) and high-quality biomass (21.85 mg chlorophyll g cells(-1); 20.5% lipids; 49.8% proteins). A central composite design combined to response surface methodology was utilized to determine the relationships between responses (X(m), cell productivity and nitrogen-to-cell conversion factor) and independent variables (KNO(3) and NH(4)Cl concentrations). Under optimum conditions (15.5mM KNO(3); 14.1mM NH(4)Cl), X(m) was 4327 mg L(-1), a value almost coincident with that obtained with only 25.4mM KNO(3), but more than twice that obtained with 21.5mM NH(4)Cl. A 30%-reduction of culture medium cost can be estimated when compared to KNO(3)-batch runs, thus behaving as a cheap alternative for the commercial production of this cyanobacterium.
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Affiliation(s)
- M S Rodrigues
- Department of Biochemical and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, University of São Paulo, Av. Prof. Lineu Prestes, 580, B-16, 05508-900 São Paulo, Brazil
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Siria A, Rodrigues MS, Dhez O, Schwartz W, Torricelli G, Ledenmat S, Rochat N, Auvert G, Bikondoa O, Metzger TH, Wermeille D, Felici R, Comin F, Chevrier J. X-ray pushing of a mechanical microswing. Nanotechnology 2008; 19:445501. [PMID: 21832730 DOI: 10.1088/0957-4484/19/44/445501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We report here for the first time the combination of x-ray synchrotron light and a micro-electro-mechanical system (MEMS). We show how it is possible to modulate in real time a MEMS mass distribution to induce a nanometric and tunable mechanical oscillation. The quantitative experimental demonstration we present here uses periodic thermal dilatation of a Ge microcrystal attached to a Si microlever, induced by controlled absorption of an intensity modulated x-ray microbeam. The mechanism proposed can be envisaged either for the detection of small heat flux or for the actuation of a mechanical system.
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Affiliation(s)
- A Siria
- Institut Néel, CNRS-Université Joseph Fourier Grenoble, BP 166, F-38042 Grenoble Cedex 9, France. CEA-LETI, 17 Avenue des Martyrs, F-38054 Grenoble Cedex 9, France
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Barreira LP, Philippi Junior A, Rodrigues MS, Tenório JAS. Physical analyses of compost from composting plants in Brazil. Waste Manag 2008; 28:1417-22. [PMID: 17855069 DOI: 10.1016/j.wasman.2007.05.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2006] [Revised: 04/16/2007] [Accepted: 05/17/2007] [Indexed: 05/17/2023]
Abstract
Nowadays the composting process has shown itself to be an alternative in the treatment of municipal solid wastes by composting plants. However, although more than 50% of the waste generated by the Brazilian population is composed of matter susceptible to organic composting, this process is, still today, insufficiently developed in Brazil, due to low compost quality and lack of investments in the sector. The objective of this work was to use physical analyses to evaluate the quality of the compost produced at 14 operative composting plants in the Sao Paulo State in Brazil. For this purpose, size distribution and total inert content tests were done. The results were analyzed by grouping the plants according to their productive processes: plants with a rotating drum, plants with shredders or mills, and plants without treatment after the sorting conveyor belt. Compost quality was analyzed considering the limits imposed by the Brazilian Legislation and the European standards for inert contents. The size distribution tests showed the influence of the machinery after the sorting conveyer on the granule sizes as well as the inert content, which contributes to the presence of materials that reduce the quality of the final product.
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Affiliation(s)
- L P Barreira
- Department of Environmental Health, University of Sao Paulo, School of Public Health, Av. Dr. Arnaldo 715, Sao Paulo, SP 01246-904, Brazil
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Gouvêa EF, Branco RC, Monteiro RCM, Halpern M, Ribeiro-Filho J, Silveira VG, Tavares GC, Rodrigues MS, Coelho HSM, Basto ST, Santoro-Lopes G. Outcome of infections caused by multiple drug–resistant bacteria in liver transplant recipients. Transplant Proc 2004; 36:958-60. [PMID: 15194333 DOI: 10.1016/j.transproceed.2004.03.123] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [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: 10/26/2022]
Abstract
OBJECTIVE To evaluate the impact of infections caused by multiple-drug-resistant (MDR) bacteria on the clinical outcome of liver transplant recipients. METHODS Retrospective study including all episodes of bacterial infection diagnosed in patients undergoing liver transplantation from January 19, 1999, to June 30, 2002. The diagnosis of bacterial infection required microbiological documentation. Mortality associated with episodes of infection by MDR bacteria was compared to that observed after antibiotic-susceptible bacterial infections. RESULTS Among 99 patients undergoing liver transplantation during the study period, there were 57 episodes of bacterial infections. Gram-negative bacilli were the predominant etiologic agents (76%) and Pseudomonas aeruginosa was the most frequent bacterial species found in these cases (23 isolates, 28%). Thirty-six episodes of infection (63%) were caused by MDR bacteria. Mean time after transplantation to the diagnosis of infection was 17 days. Mortality associated with episodes of MDR bacterial infections (nine deaths, 25%) was not significantly different from that observed during episodes of antibiotic-susceptible bacteria (five deaths, 24%; P =.92). CONCLUSION These data suggest that resistance to multiple antimicrobial agents does not have an impact on the mortality associated to bacterial infections in liver transplant recipients.
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Affiliation(s)
- E F Gouvêa
- Clementino Fraga Filho University Hospital, Medical School, Rio de Janeiro Federal University, Rio de Janeiro, RJ, Brazil
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Rodrigues MS, Schaffel R, Assreuy J. Comparative study on the mechanism of bradykinin potentiation induced by bradykinin-potentiating peptide 9a, enalaprilat and kinin-potentiating peptide. Eur J Pharmacol 1992; 216:357-62. [PMID: 1330581 DOI: 10.1016/0014-2999(92)90431-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [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: 12/26/2022]
Abstract
The action of a kinin-potentiating peptide (KPP) obtained from tryptic digestion of human serum proteins was compared with that of bradykinin-potentiating peptide 9a (BPP9a; obtained from snake venom) and enalaprilat (a synthetic inhibitor of angiotensin-converting enzyme; ACE) as a means of understanding the mechanism of action of KPP on smooth muscle. KPP potentiated bradykinin-induced contractile effects in guinea-pig ileum and rat uterus, but not the bradykinin-induced relaxation of pre-contracted ileum, whereas BPP9a and enalaprilat potentiated both bradykinin effects. The receptor mediating both the contraction and the relaxation elicited by bradykinin in the ileum was found to be of the B2 type. KPP retained its potentiating effect in the presence of enalaprilat in the guinea-pig ileum and rat uterus, whereas the potentiation evoked by BPP9a was abolished. Enalaprilat inhibited the activity of purified ACE, whereas KPP was completely devoid of such an effect. The potentiating effect of KPP, but not that of BPP9a or enalaprilat, was blocked by compounds that inhibit phospholipase A2 and lipoxygenase activity but not by inhibitors of cyclo-oxygenase or phosphodiesterases. The results suggest that the potentiating effect of KPP (i) does not involve inhibition of ACE; (ii) is not due to an increased affinity of the receptor for bradykinin, and (iii) probably involves post-receptor events linked to phospholipase A2 and to the lipoxygenase pathway.
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Affiliation(s)
- M S Rodrigues
- Departamento de Farmacologia Basica e Clinica, Universidade Federal do Rio de Janeiro, Brazil
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Schaffel R, Rodrigues MS, Assreuy J. Potentiation of bradykinin effects and inhibition of kininase activity in isolated smooth muscle. Can J Physiol Pharmacol 1991; 69:904-8. [PMID: 1659490 DOI: 10.1139/y91-137] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [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: 12/28/2022]
Abstract
Prolongation of bradykinin half-life following kininase inhibition has been proposed as the reason for the potentiation of kinin effects. We have reassessed this assumption by using three different isolated smooth muscle preparations and simultaneously studying the inhibition of kininase activity and the potentiation of bradykinin effects by enalaprilat and BPP9a. Rat duodenum displayed higher total kininase activity, metabolizing half of the added bradykinin in 6.5 min, while this time for rat uterus was greater than 60 min. Guinea-pig ileum showed the intermediate value of 14.6 min. Enalaprilat and BPP9a slowed the metabolism of bradykinin by 50-100% in rat duodenum and by 50-180% in guinea-pig ileum, showing that a significant fraction of total kininase activity appears to be due to kininase II. In rat duodenum, an almost complete blockade of kininase activity was achieved when bacitracin and mergetpa were used together with enalaprilat. Enalaprilat and BPP9a potentiated bradykinin effects in guinea-pig ileum and rat uterus. In contrast, bradykinin-induced relaxations and contractions in rat duodenum were not potentiated by enalaprilat, BPP9a, or by the enzyme inhibitor mixture (enalaprilat--bacitracin--mergetpa). The results suggest that inhibition of bradykinin enzymatic metabolism by kininases does not necessarily lead to the potentiation of bradykinin effects.
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Affiliation(s)
- R Schaffel
- Department of Pharmacology, ICB/CCS, Universidade Federal do Rio de Janeiro
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De Souza CP, Pereira JP, Rodrigues MS. [Present geographic distribution of intermediate mollusk hosts of Schistosoma mansoni in Belo horizonte, Minas Gerais, Brazil]. Mem Inst Oswaldo Cruz 1981; 76:383-91. [PMID: 7348783 DOI: 10.1590/s0074-02761981000400006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Procedeu-se ao levantamento malacológico do município de Belo Horizonte, MG, com o objetivo de avaliar a distribuição, densidade e taxa de infecção dos moluscos hospedeiros intermediários do Schistosoma mansoni. Foram coletadas 3.261 Biomphalaria glabrata em 1979-81, das quais 100 (3,1%) estavam infectadas com S. mansoni. Registrou-se a existência de 36 criadouros (35,0%) de B. glabrata em 102 locais pesquisados, sendo 23 na bacia hidrográfica de Pampulha e 13 na do ribeirão do Arrudas. Foram encontrados 2 criadouros de B. tenagophila e 2 de B. straminea. Registrou-se também a presenca de exemplares de Pomacea haustrum, Physa sp e Drepanotrema cimex. Compararam-se os dados obtidos atualmente com os publicados em 1967. Houve reducao de mais de 50% no número de criadouros de B.glabrata, principalmente em decorrencias da expansão e progresso da cidade. Na zona periférica a esquistossomose continua endêmica, havendo necessidade de novas obras de saneamento básico para se conseguir o controle da doença.
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Pedro RJ, Amato Neto V, Rodrigues MS, Magalhães LA, Lucca RS. [Treatment of schistosomiasis mansoni with Oxamniquine; present status of our observations]. Rev Inst Med Trop Sao Paulo 1977; 19:130-7. [PMID: 897480] [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: 12/24/2022] Open
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Rodrigues MS. [Differential diagnosis of miliary pulmonary diseases and diffuse infiltrations]. Rev Bras Med 1969; 26:107-12. [PMID: 5802743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Rodrigues MS. [Pulmonary function tests]. Rev Bras Med 1968; 25:559-61 concl. [PMID: 5740171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Rodrigues MS. [Pulmonary function tests. Functional changes in the main chronic pulmonary diseases. VI]. Rev Bras Med 1968; 25:494-8 contd. [PMID: 5740093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Rodrigues MS. [Pulmonary functional exploration. "Cor pulmonale". V]. Rev Bras Med 1968; 25:433-7 contd. [PMID: 5715875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Rodrigues MS. [Functional lung exploration. IV]. Rev Bras Med 1968; 25:358-64 contd. [PMID: 5726403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Rodrigues MS. [Pulmonary function test. 3]. Rev Bras Med 1968; 25:204-7. [PMID: 5740562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Rodrigues MS. [Pulmonary functional exploration. II. Methods of examination]. Rev Bras Med 1968; 25:124-9 contd. [PMID: 5656166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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Rodrigues MS. [Pulmonary function test. I]. Rev Bras Med 1968; 25:61-7 contd. [PMID: 5747326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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