Figure 3From: Influence of IL17A polymorphisms on the aberrant methylation of DAPK and CDH1 in non-cancerous gastric mucosa Change of PG I/II ratio under the influence of H. pylori infection by IL17A -197 G > A genotype. PG I/II ratio was significantly lower in H. pylori positive subjects than negative subjects in both -197 A carrier and GG homozygote, but in the former more strongly significant.Back to article page