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Comparison of the gene profiles affected by periostin silencing in lung fibroblasts. a MRC-5 cells with control or POSTN-specific siRNA (KD) were subjected to DNA microarray analysis. Genes downregulated by less than one third or genes upregulated by more than three-fold by knockdown of periostin were applied to DAVID analysis. Highly ranked GO terms are depicted. b Heat maps depict the genes in the GO term, cell cycle, with control siRNA versus periostin siRNA
