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Author Silvana C Thiengo

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Physiology and immunity of the invasive giant African snail, Achatina (Lissachatina) fulica, intermediate host of Angiostrongylus cantonensis.

Mariana G Lima, Ronaldo de C Augusto, Jairo Pinheiro, Silvana C Thiengo,

As one of the most successful invasive land snail species, Achatina (Lissachatina) fulica Bowdich, 1822 has achieved wide global distribution, particularly in (sub)tropical regions, with further dispersal likely due to climate change. This species of giant African snails (up to 17 cm shell length) is a pest that has extensive negative ... Read more >>

Dev. Comp. Immunol. (Developmental and comparative immunology)
[2020, 105:103579]

Cited: 0 times

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Compatibility Polymorphism Based on Long-Term Host-Parasite Relationships: Cross Talking Between Biomphalaria glabrata and the Trematode Schistosoma mansoni From Endemic Areas in Brazil.

Mariana G Lima, Lângia C Montresor, Joana Pontes, Ronaldo de C Augusto, Jairo Pinheiro da Silva, Silvana C Thiengo,

Sympatric snail populations have been kept in the laboratory since the isolation of the parasite from the field. To evaluate the influence of the intermediate host in the infectivity of S. mansoni, this allopatric strain was compared to two sympatric strains, from different geographical origins, and with different time of ... Read more >>

Front Immunol (Frontiers in immunology)
[2019, 10:328]

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Effects of experimental Angiostrongylus cantonensis infection on the reproductive biology of Biomphalaria straminea and Biomphalaria tenagophila.

Mariana G Lima, Vinícius M Tunholi-Alves, Tatiane Cristina S Bonfim, Fabrício N Gaudêncio, Juberlan S Garcia, Arnaldo Maldonado, Jairo Pinheiro, Silvana C Thiengo,

Eosinophilic meningoencephalitis is an endemic zoonosis in Southeast Asia and the Pacific Islands, but in recent years, new cases have been reported in various countries outside these regions, including Brazil, where it is considered an emerging disease. In this study, the effect of infection by the nematode Angiostrongylus cantonensis, one ... Read more >>

J. Invertebr. Pathol. (Journal of invertebrate pathology)
[2017, 149:106-113]

Cited: 1 time

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The influence of Angiostrongylus cantonensis (Nematoda, Metastrongylidae) infection on the aerobic metabolism of Biomphalaria straminea and Biomphalaria tenagophila (Mollusca, Gastropoda).

Mariana G Lima, Vinícius M Tunholi-Alves, Fabrício N Gaudêncio, Florence G Martins, Rosane N Castro, Silvana C Thiengo, Juberlan S Garcia, Arnaldo Maldonado, Jairo Pinheiro,

Angiostrongylus cantonensis is considered the main agent responsible for human eosinophilic meningoencephalitis. This parasite has low specificity for mollusk hosts and it can also use aquatic snails as auxiliary hosts. Studies based on the metabolic profile of Biomphalaria spp. infected by A. cantonensis have been conducted to observe parasite-host interactions. ... Read more >>

Exp. Parasitol. (Experimental parasitology)
[2016, 171:1-9]

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Angiostrongylus cantonensis infection in molluscs in the municipality of São Gonçalo, a metropolitan area of Rio de Janeiro, Brazil: role of the invasive species Achatina fulica in parasite transmission dynamics.

Ana P M Oliveira, Rosana Gentile, Arnaldo Maldonado Júnior, Eduardo J Lopes Torres, Silvana C Thiengo,

The aim of this study was to analyse the infection dynamics of Angiostrongylus cantonensisin its possible intermediate hosts over two years in an urban area in the state of Rio de Janeiro where the presence ofA. cantonensis had been previously recorded in molluscs. Four of the seven mollusc species found ... Read more >>

Mem. Inst. Oswaldo Cruz (Memorias do Instituto Oswaldo Cruz)
[2015, 110(6):739-744]

Cited: 8 times

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The Apple Snail Pomacea maculata (Caenogastropoda: Ampullariidae) as the intermediate host of Stomylotrema gratiosus (Trematoda: Stomylotrematidae) in Brazil: the first report of a mollusc host of a Stomylotrematid Trematode.

Hudson A Pinto, Selma Patrícia D Cantanhede, Silvana C Thiengo, Alan L de Melo, Monica A Fernandez,

Trematodes belonging to the family Stomylotrematidae are intestinal parasites of birds. Despite the worldwide distribution and diversity of host species, the first intermediate host remains unknown. For a survey of parasites of Pomacea maculata , snails were collected from the municipality of São Vicente Férrer, state of Maranhão, northeastern Brazil. ... Read more >>

J. Parasitol. (The Journal of parasitology)
[2015, 101(2):134-139]

Cited: 1 time

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Phylogenetic relationship of the Brazilian isolates of the rat lungworm Angiostrongylus cantonensis (Nematoda: Metastrongylidae) employing mitochondrial COI gene sequence data.

Tainá C C Monte, Raquel O Simões, Ana Paula M Oliveira, Clodoaldo F Novaes, Silvana C Thiengo, Alexandre J Silva, Pedro C Estrela, Arnaldo Maldonado,

BACKGROUND: The rat lungworm Angiostrongylus cantonensis can cause eosinophilic meningoencephalitis in humans. This nematode's main definitive hosts are rodents and its intermediate hosts are snails. This parasite was first described in China and currently is dispersed across several Pacific islands, Asia, Australia, Africa, some Caribbean islands and most recently in ... Read more >>

Parasit Vectors (Parasites & vectors)
[2012, 5:248]

Cited: 19 times

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Workshop on research priorities for management and treatment of angiostrongyliasis(1).

Robert H Cowie, James R Hollyer, Alexandre J da Silva, Robert G Hollingsworth, Marlena C Dixon, Praphathip Eamsobhana, Leanne M Fox, William L Gosnell, Kathleen Howe, Stuart Johnson, Jaynee R Kim, Kenton J Kramer, Phaik Eem Lim, John F Lindo, Zhao-Rong Lun, Arnaldo Maldonado, Alessandra L Morassutti, Gerald S Murphy, Sarah Y Park, Yvonne Qvarnstrom, Ralph D Robinson, Kittisak Sawanyawisuth, John Teem, Silvana C Thiengo, Cheridah D Todd, Hung-Chin Tsai, Gordon D Wallace, Cecelia A Waugh, A Christian Whelen, Patricia P Wilkins, Ting-Bao Yang, Hoi-Sen Yong,

In a concluding session of the workshop, the participants developed a list of 115 research and outreach needs, outlining the top 5-7 needs in each of 8 areas (Table). For complete information, including presenter details and abstracts, visit the workshop website at www.hawaii.edu/cowielab/Angio%20website%20home.htm. ... Read more >>

Emerging Infect. Dis. (Emerging infectious diseases)
[2012, 18(12):e1]

Cited: 2 times

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Endemic angiostrongyliasis, Rio de Janeiro, Brazil.

Raquel O Simoes, Fernando A Monteiro, Elizabeth Sanchez, Silvana C Thiengo, Juberlan S Garcia, Socrates F Costa-Neto, Jose L Luque, Arnaldo Maldonado,

Emerging Infect. Dis. (Emerging infectious diseases)
[2011, 17(7):1331-1333]

Cited: 21 times

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First record of a nematode Metastrongyloidea (Aelurostrongylus abstrusus larvae) in Achatina (Lissachatina) fulica (Mollusca, Achatinidae) in Brazil.

Silvana C Thiengo, Monica A Fernandez, Eduardo J L Torres, Pablo M Coelho, Reinalda M Lanfredi,

Achatina (Lissachatina) fulica was introduced in Brazil in the 1980s for commercial purposes ("escargot" farming) and nowadays, mainly by human activity, it is widespread in at least 23 out of 26 Brazilian states and Brasília, including the Amazonian region and natural reserves, where besides a general nuisance for people it ... Read more >>

J. Invertebr. Pathol. (Journal of invertebrate pathology)
[2008, 98(1):34-39]

Cited: 13 times

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Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: VI--Noroeste Fluminense Mesoregion.

Silvana C Thiengo, Aline C Mattos, Sonia B Santos, Monica A Fernandez,

In this paper, the last of a series dealing with the survey of freshwater gastropods of the state of Rio de Janeiro, the results of collections carried out in the Noroeste Fluminense Mesoregion from 2002 to 2005 are presented and revealed the occurrence of 20 species: Antillorbis nordestensis; Biomphalaria glabrata; ... Read more >>

Mem. Inst. Oswaldo Cruz (Memorias do Instituto Oswaldo Cruz)
[2006, 101 Suppl 1:239-245]

Cited: 3 times

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Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: V -- Norte Fluminense Mesoregion.

Silvana C Thiengo, Aline C Mattos, M Fernanda Boaventura, Márcio S Loureiro, Sonia B Santos, Monica A Fernandez,

In this paper, the fifth of a series dealing with the survey of freshwater gastropods of the state of Rio de Janeiro, the results of collections carried out in the Norte Fluminense Mesoregion from 2002 to 2003 are presented and revealed the occurrence of 19 species: Antillorbis nordestensis; Burnupia sp.; ... Read more >>

Mem. Inst. Oswaldo Cruz (Memorias do Instituto Oswaldo Cruz)
[2004, 99(5 Suppl 1):99-103]

Cited: 5 times

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Freshwater snails and Schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: IV - Sul Fluminense Mesoregion.

Silvana C Thiengo, Aline C Mattos, M Fernanda Boaventura, Monica A Fernandez,

In this paper, the forth of a series dealing with the survey of freshwater gastropods of the state of Rio de Janeiro, the results of collections carried out in the Sul Fluminense Mesoregion from 2000 to 2002 are presented and revealed the occurrence of 18 species: Antillorbis nordestensis; Biomphalaria glabrata; ... Read more >>

Mem. Inst. Oswaldo Cruz (Memorias do Instituto Oswaldo Cruz)
[2004, 99(3):275-280]

Cited: 2 times

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Freshwater snails and Schistosomiasis mansoni in the State of Rio de Janeiro, Brazil: II--Centro Fluminense Mesoregion.

Silvana C Thiengo, Monica A Fernandez, M Fernanda Boaventura, Sonia B Santos, Aline C Mattos,

During the course of a survey carried out from 2000 to 2001 in the Centro Fluminense Mesoregion of the State of Rio de Janeiro 22 molluscan species were found. Many of the records are new due to the dearth of previous studies. Concerning the snail hosts of Schistosoma mansoni, the ... Read more >>

Mem. Inst. Oswaldo Cruz (Memorias do Instituto Oswaldo Cruz)
[2002, 97(5):621-626]

Cited: 4 times

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Freshwater snails and Schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: III--Baixadas Mesoregion.

Silvana C Thiengo, Monica A Fernandez, M Fernanda Boaventura, Marcos G Magalhães, Sonia B Santos,

In this paper, the third of a series dealing with the survey of freshwater gastropods of the state of Rio de Janeiro, the results of collections carried out in the Mesoregion Baixadas from 2000 to 2002 are presented. Twenty-two species, belonging to seven families, were found. As to the snail ... Read more >>

Mem. Inst. Oswaldo Cruz (Memorias do Instituto Oswaldo Cruz)
[2002, 97 Suppl 1:43-46]

Cited: 2 times

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