and the corresponding 3 miRs is provided in Table 2 The list inc

and the corresponding 3 miRs is provided in Table 2. The list includes symbol, name, probe ID, fold change and p value of the genes all obtained from microarray dataset. In addition, a functional http://www.selleckchem.com/products/Gefitinib.html description of the genes by Panther Protein Classification System is enclosed. Overlapping the 37 genes with the dataset of genes resulting from microarray analysis of Huh 7. 5 cells infected with HCV genotype 2a chimeric virus J6 JFH revealed 4 common genes which showed the same direction of regulation in both HCV clones and J6 JFH microarray datasets supporting the biological relevance of these genes in HCV replicative cycle. Finally, to explore the involve ment of the identified genes in HCV response to endo genous IFN, we also overlapped the list of 37 genes with the dataset of 1996 human genes annotated in the INTERFEROME database.

As shown in Table 2, four genes were identified as Interferon Regulated Genes. Biological functions of the miR target genes To classify genes into biological categories, we analyzed the Gene Ontology annotations of the 37 common genes with the Panther Protein Classification System. As shown in Table 3, Panther Inhibitors,Modulators,Libraries System found several func tional categories that were significantly enriched in this gene set compared to the entire NCBI reference list of human genome. We considered, as potentially interesting, only categories showing a p value 0. 05, as determined by the binomial statistic. The 37 genes of the dataset were significantly classified by the Panther system in 6 biological processes and 3 molecular functions.

Compared with the NCBI reference list of human genome, this dataset showed a larger proportion of genes encoding proteins involved in chromatin binding and architecture, organelle organization, intracellular transport and neurotransmitter secretion. In addition, Inhibitors,Modulators,Libraries genes associated with catalytic activity, enzyme regulator activity and chromatin binding were represented much more abundantly Inhibitors,Modulators,Libraries in the dataset. Interestingly, genes involved in the Ubiquitin proteasome pathway were also present in the dataset. Additional file 2, Table S2 reports the complete list of the genes that are responsible for statistical enrich ment of each category shown in Table 3 Discussion In the present study we analyzed the effect of HCV replication on the expression of selected miRs involved in the IFN pathway.

In particular, we identified 3 miRs that are equally modulated by HCV in three HCV repli con clones and by IFN treatment. Moreover, Inhibitors,Modulators,Libraries we also identified 37 out of 83 predicted target genes, differen tially expressed in HCV replicon cells, which are most likely functional targets of these 3 miRs, in fact they showed an inverse expression relationship with the level of the 3 miRs, as described for true targets. These genes could be implicated in regulation of the host response to HCV. About one half predicted targets did not show the expected inverse expression relationship with miR level, but this Brefeldin_A result is not surprising. First, selleck inhibitor comp

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