|
|
|
|
|
Appolinário,Camila; Allendorf,Susan Dora; Vicente,Acácia Ferreira; Ribeiro,Bruna Devidé; Fonseca,Clóvis Reinaldo da; Antunes,João Marcelo; Peres,Marina Gea; Kotait,Ivanete; Carrieri,Maria Luiza; Megid,Jane. |
ABSTRACTRabies virus (RABV) isolated from different mammals seems to have unique characteristics that influence the outcome of infection. RABV circulates in nature and is maintained by reservoirs that are responsible for the persistence of the disease for almost 4000 years. Considering the different pattern of pathogenicity of RABV strains in naturally and experimentally infected animals, the aim of this study was to analyze the characteristics of RABV variants isolated from the main Brazilian reservoirs, being related to a dog (variant 2),Desmodus rotundus (variant 3), crab eating fox, marmoset, and Myotis spp. Viral replication in brain tissue of experimentally infected mouse was evaluated by two laboratory techniques and the results were compared to... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pathogenesis; QRT-PCR; FAT; Rabies; Variants. |
Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702015000500479 |
| |
|
|
Appolinario,Camila Michele; Allendorf,Susan Dora; Peres,Marina Gea; Fonseca,Clovis Reynaldo; Vicente,Acacia Ferreira; Antunes,João Marcelo Azevedo de Paula; Pantoja,José Carlos Figueiredo; Megid,Jane. |
ABSTRACTWe have evaluated the efficacy of short-interfering RNAs targeting the nucleoprotein gene and also the brain immune response in treated and non-treated infected mice. Mice were inoculated with wild-type virus, classified as dog (hv2) or vampire bat (hv3) variants and both groups were treated or leaved as controls. No difference was observed in the lethality rate between treated and non-treated groups, although clinical evaluation of hv2 infected mice showed differences in the severity of clinical disease (p = 0.0006). Evaluation of brain immune response 5 days post-inoculation in treated hv2 group showed no difference among the analyzed genes, whereas after 10 days post-inoculation there was increased expression of 2',5'-oligoadenylate synthetase... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Rabies; Dog virus; Bat virus; SiRNA. |
Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702015000500453 |
| |
|
|
Martins,Thiago Fernandes; Peres,Marina Gea; Costa,Francisco Borges; Bacchiega,Thais Silva; Appolinario,Camila Michele; Antunes,João Marcelo Azevedo de Paula; Vicente,Acácia Ferreir; Megid,Jane; Labruna,Marcelo Bahia. |
ABSTRACT: From May to September 2011, a total of 138 wild rodents of the Cricetidae family were collected in the cities of Anhembi, Bofete and Torre de Pedra, in São Paulo State. All animals were examined for the presence of ticks, which were collected and identified at species level in the laboratory by morphological examination (for adults, nymphs and larvae) and molecular biology, by sequencing of a fragment of the 16S mitochondrial rDNA (for larvae). A total of 47 ticks (21 larvae and 26 nymphs) were collected from rodents, identified as 21 larvae and 23 nymphs of Amblyomma ovale (collected on Oligoryzomys nigripes , Oligoryzomys flavescens , Sooretamys agouya and Nectomys squamipes ), two nymphs of Ixodes schulzei (O. nigripes and O. flavescens ) and... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ticks; Wild rodents; Amblyomma ovale; Amblyomma sculptum; Ixodes schulzei; Brazil. |
Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000500871 |
| |
|
|
|