Table 1 PCR Primers used to amplify promoter region and exons 18, 19, 20, and 21 of the EGFR genes

E18-5'

5'-CTGGCACTGCTTTCCAGCAT-3'

E18-3'

5'-GCTTGCAAGGACTCTGGGCT-3'

E19-5'

5'-GCATCGCTGGTAACATCCAC-3'

E19-3'

5'-AGATGAGCAGGGTCTAGAGC-3'

E20-5'

5'-ATCGCATTCATGCGTCTTCA-3'

E20-3'

5'-AGACCGCATGTGAGGATCCT-3'

E21-5'

5'-TGACCCTGAATTCGGATGCA-3'

E21-3'

5'-ATACAGCTAGTGGGAAGGCA-3'

Promoter 5'

5'-CCTCCTCTGCTCCTCCCGAT-3'

Promoter 3'

5'-CGGGGCTAGCTCGGGACT-3'