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Published in: Virology Journal 1/2014

Open Access 01-12-2014 | Research

Transcriptional profiling of the host cell response to feline immunodeficiency virus infection

Authors: Reinhard Ertl, Dieter Klein

Published in: Virology Journal | Issue 1/2014

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Abstract

Background

Feline immunodeficiency virus (FIV) is a widespread pathogen of the domestic cat and an important animal model for human immunodeficiency virus (HIV) research. In contrast to HIV, only limited information is available on the transcriptional host cell response to FIV infections. This study aims to identify FIV-induced gene expression changes in feline T-cells during the early phase of the infection. Illumina RNA-sequencing (RNA-seq) was used identify differentially expressed genes (DEGs) at 24 h after FIV infection.

Results

After removal of low-quality reads, the remaining sequencing data were mapped against the cat genome and the numbers of mapping reads were counted for each gene. Regulated genes were identified through the comparison of FIV and mock-infected data sets. After statistical analysis and the removal of genes with insufficient coverage, we detected a total of 69 significantly DEGs (44 up- and 25 down-regulated genes) upon FIV infection. The results obtained by RNA-seq were validated by reverse transcription qPCR analysis for 10 genes.

Discussion and conclusion

Out of the most distinct DEGs identified in this study, several genes are already known to interact with HIV in humans, indicating comparable effects of both viruses on the host cell gene expression and furthermore, highlighting the importance of FIV as a model system for HIV. In addition, a set of new genes not previously linked to virus infections could be identified. The provided list of virus-induced genes may represent useful information for future studies focusing on the molecular mechanisms of virus-host interactions in FIV pathogenesis.
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Metadata
Title
Transcriptional profiling of the host cell response to feline immunodeficiency virus infection
Authors
Reinhard Ertl
Dieter Klein
Publication date
01-12-2014
Publisher
BioMed Central
Published in
Virology Journal / Issue 1/2014
Electronic ISSN: 1743-422X
DOI
https://doi.org/10.1186/1743-422X-11-52

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