Research Article
Virulence Genes of Helicobacter pylori Increase the Risk of Premalignant Gastric Lesions in a Colombian Population
Table 1
Primer sequence for polymerase chain reaction amplification.
| Genes and regions | Sequence (5′-3′) | Size (bp) |
| vacA s1/s2 | VAI-F | ATGGAAATACAACAAACACAC | 259 (s1)/286 (s2) | VAI-R | CTGCTTGAATGCGCCAAAC |
| vacA m1/m2 | VAG-F | CAATCTGTCCAATCAAGCGAG | 570 (m1)/645 (m2) | VAG-R | GCGTCAAAATAATTCCAAGG |
| cagA | cagA-F | GATAACAGGCAAGCTTTTGAGG | 349 | cagA-R | CTGCAAAAGATTGTTTGGCAGA |
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