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. 2017 Mar;19(2):244–254. doi: 10.1016/j.jmoldx.2016.09.010

Table 5.

Sensitivity Study for ERBB2 Amplification Detection

Sample Dilution (%) ERBB2 fold change Result
FFPE (HER2/CEP17, 13.7) 100 49.38 AMP called
50 14.44 AMP called
25 6.90 AMP called
12.50 3.73 AMP called
6.25 2.34 AMP called
3.13 1.56 AMP called
MDA-MB-361 (HER2/CEP17, 4.2) 100 5.66 AMP called
50 3.32 AMP called
25 2.16 AMP called
12.50 1.61 AMP called
6.25 1.33 AMP not called
MDA-MB-453 (HER2/CEP17, 2.4) 100 2.31 AMP called
50 1.61 AMP called
25 1.3 AMP not called
12.50 1.15 AMP not called
6.25 1.0 AMP not called

AMP, amplification; CEP17, chromosome 17 centromere marker; FFPE, formalin-fixed, paraffin-embedded; HER2, human epidermal growth factor receptor 2.