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GSTT1 and TYMS 5′ untranslated region (UTR) genotyping on fresh-frozen gastric cell lines and normal tissues. A:GSTT1 (top panel) and TYMS 5′-UTR (bottom panel) genotyping on gastric cell lines. B:GSTT1 (top panel) and TYMS 5′-UTR (bottom panel) genotyping on normal tissues. There is no discrepancy found between the two independent runs on both fresh-frozen gastric cell lines and normal tissues. gDNA, genomic DNA; M, 100-bp DNA ladder; NC, negative control.
