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Type: Artigo de periódico
Title: Effects Of Experimental Inoculation Of Bovine Respiratory Syncytial Virus In Different Inbred Mice Lineages: Establishment Of A Murine Model For Brsv Infection.
Author: Spilki, Fernando Rosado
Almeida, Renata Servan
Ferreira, Helena Lage
Gameiro, Jacy
Verinaud, Liana
Arns, Clarice Weis
Abstract: Bovine respiratory syncytial virus (BRSV), a member of the subfamily Pneumovirinae, family Paramyxoviridae, is a major cause of respiratory disorders in young cattle. A number of studies were conducted to validate a reliable animal model for the infection, since BRSV inoculation on the natural host is costly and often unsuccessful. Unfortunately, after inoculation of BRSV in Balb/C mice, viral replication may be detected; however, evident pathological alterations are absent on the experimentally infected animals. In order to establish a mice model that could be used further for preliminary studies of pathological and immunological aspects of BRSV infection, three mice inbred lineages (Balb/C, A/J and C57BL6), possessing different genetic backgrounds, were tested about its susceptibility to the inoculation with BRSV. Animals were inoculated through the nasal and ocular routes and were observed after inoculation. At 7 days post-inoculation (dpi) animals were necropsied and virological (virus isolation and viral nucleic acid amplification) as well as histopathological examinations were performed. A/J and C57BL6 showed interstitial pneumonia, when compared to the Balb/C group. These findings shows that mice may constitute a suitable model for the study of BRSV infections, depending on the mice strain used for experimental inoculations.
Subject: Animals
Cattle Diseases
Dna, Viral
Disease Models, Animal
Mice, Inbred Balb C
Mice, Inbred C57bl
Respiratory Syncytial Virus Infections
Respiratory Syncytial Virus, Bovine
Reverse Transcriptase Polymerase Chain Reaction
Sensitivity And Specificity
Species Specificity
Citation: Veterinary Microbiology. v. 118, n. 3-4, p. 161-8, 2006-Dec.
Rights: fechado
Identifier DOI: 10.1016/j.vetmic.2006.07.011
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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