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Table 2 Relative expression level of selected genes (fluorescence and transmission values, respectively) versus expression level determined by quantitative RT-PCR (non stimulated cell line)

From: An alternative method to amplify RNA without loss of signal conservation for expression analysis with a proteinase DNA microarray in the ArrayTube® format

gene Affymetrix chip Array tube Quantitative RT-PCR
ST14 1000; 3000 1,6 6*10-3 ng
MMP1 6320,6 1,2 3,6*10-4 ng
TIMP3 619; 976; 1564,5 1,15 2,2*10-4 ng
CTSK 273,8 +) 0,43 8,13*10-6 ng
PAI-1 Not present 0,84 4,34*10-7 ng
  1. +) this value is below the cut off of 300.