Virus Expression Database

GSE40184

The blood transcriptional signature of chronic HCV [Affymetrix data]

Submitted by Christopher Bolen (Yale University, USA) on Aug 17 2012

Platform: microarray – [HG-U133A] Affymetrix Human Genome U133A Array

Pubmed: 23067362

Summary This study characterizes the effects of chronic Hepatitis C virus (HCV) infection on gene expression by analyzing blood samples from 10 treatment-naive HCV patients and 6 healthy volunteers.
Differential expression analysis of microarray data from peripheral blood mononuclear cells (PBMCs) identified a 136 gene signature, including 66 genes elevated in infected individuals. Most of the up-regulated genes were associated with interferon (IFN) activity (including members of the OAS and MX families, ISG15 and IRF7), suggesting an ongoing immune response. This HCV signature was also found to be consistently enriched in many other viral infection and vaccination datasets. Validation of these genes was carried out using a second cohort composed of 5 HCV patients and 5 healthy volunteers, confirming the up-regulation of the IFN signature. In summary, this is the first study to directly compare blood transcriptional profiles from HCV patients with healthy controls. The results show that chronic HCV infection has a pronounced effect on gene expression in PBMCs of infected individuals, and significantly elevates the expression of a subset of interferon-stimulated genes.

18 Samples

ID Title Cell Type Timepoint Reported Virus Virus Species Exclusion Reason
GSM988002 Healthy_p01 [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected
GSM988003 Healthy_p02 [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected
GSM988004 Healthy_p03 [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected
GSM988005 Healthy_p04 [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected
GSM988006 Healthy_p05 [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected
GSM988007 Healthy_p06 [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected
GSM988008 Healthy_p07_OUTLIER [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected Extra interventions
flagged as outlier
GSM988009 Healthy_p08_OUTLIER [Affymetrix] peripheral blood mononuclear cell  healthy Uninfected Extra interventions
flagged as outlier
GSM988010 HCV_p01 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988011 HCV_p02 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988012 HCV_p03 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988013 HCV_p04 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988014 HCV_p05 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988015 HCV_p06 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988016 HCV_p07 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988017 HCV_p08 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988018 HCV_p09 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C
GSM988019 HCV_p10 [Affymetrix] peripheral blood mononuclear cell  chronic HCV Hepacivirus C