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Table 3 Number of genes by mRNA expression level in the polymer-high dose group at one month

From: Inflammogenic effect of polyacrylic acid in rat lung following intratracheal instillation

mRNA level (fold change of control) Number of genes
Up regulation  
twofold 788
2 ~ fourfold 620
4 ~ eightfold 110
eightfold 58
Down regulation  
1/2-fold 668
1/2~1/4-fold 648
1/4~1/8-fold 17
1/8-fold 3
  1. Table shows number of genes by mRNA expression level in the polymer-high dose group at one month after intratracheal instillation among 20,174 genes examined using cDNA microarray