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Validation of microarray data by semiquantitative RT-PCR. The expression patterns of all nine selected genes and the housekeeping gene, which were assessed for their relative abundances in mock infection, at 2 h and 4 h after SARS-CoV inoculation, and at 2 h and 4 h after HCoV-229E inoculation, were consistent with the expression pattern shown in the microarray experiment.
