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Kyasanur Forest disease virus non-mouse animal models: a pilot study
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Kyasanur Forest disease virus non-mouse animal models: a pilot study
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Kyasanur Forest disease virus non-mouse animal models: a pilot study
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Journal Article
Kyasanur Forest disease virus non-mouse animal models: a pilot study
2020
Overview
Objectives
Mouse models have delivered variable recapitulation of Kyasanur Forest disease (KFD) pathology and consistently demonstrated neurological involvement which may be a limited feature of human disease. With the purpose of more accurately modelling human disease progression we infected several small-mammalian models: guinea pigs, hamsters and ferrets with a titered infectious dose of Kyasanur Forest disease virus (KFDV). Clinical indicators of disease severity were observed for seventeen days, on day eighteen a visual post-mortem analysis of visceral organs was conducted. Viral load in selected tissues was measured to infer disease signs and the establishment of viral replication.
Data description
Daily monitoring did not reveal any observable signs of illness; weight loss was minimal across species and gross pathology did not indicate severe viral infection. Tissue specific tropism and establishment of viral infection was monitored by quantitative real-time polymerase chain reaction (qRT-PCR). No viral replication was detected in ferrets (n = 0/3), but was present in the spleen of guinea pigs (n = 3/3) and the brain of hamsters (n = 3/3). Low levels of viral RNA were detected in multiple hamster tissues (kidney, liver, lung and spleen) suggesting the possibility of viral tropism and possible adaptation to the host. No serological tests were performed.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Animals
/ Biomedical and Life Sciences
/ Brain
/ Ferrets
/ Fever
/ Hamster
/ Kidneys
/ Kyasanur Forest Disease - virology
/ Kyasanur Forest disease virus
/ Mustela
/ RNA
/ Spleen
/ Tropism
/ Viruses
