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| Titel: |
Prediction of IFN? Regulated Gene Transcription |
| Auteur: |
Hong Liu Nanxiang Ge Kin-Tak Yu David Krolikowski Asher Zilberstein Chang S. Hahn |
| Verschenen in: |
In silico biology |
| Paginering: | Jaargang 4 (2005) nr. 4 pagina's 489-505 |
| Jaar: |
2005-02-28 |
| Inhoud: |
IFNγ, a cytokine promoting cell-mediated immunity and antiviral effects, regulates the expression of a large set of genes involved in the immune response. Based on logistic regression, an in silico model for predicting IFNγ regulated transcription has been developed by scoring the transcription factor binding sites on the putative promoters of regulated versus not regulated genes derived from the microarray data of IFNγ treated human macrophages. The model effectively discriminates the transcription factor binding sites that confer responsiveness to IFNγ from those that do not. The model has 65% true positive and 22% false positive rates when evaluated on a small validation set. In order to identify potential IFNγ regulated genes in the whole genome, the model has been used to screen 13,668 promoter pairs of human-mouse orthologs/homologs from Ensembl, and 1,387 of them were predicted to be potentially regulated by IFNγ. In the pilot experiment, the regulation pattern of a subset of predicted genes that were not detected by microarray approach was evaluated by quantitative PCR. The results for the four novel genes, which are up regulated by IFNγ in human macrophages and identified by this approach, are described in the present communication. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 15 van 19 gevonden artikelen
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