... death and DNA fragmentation in gastricepithelial cellsTo investigate the relations of PAR-2 expression, celldeath, and DNA fragmentation, cells were transfectedwith AS ODN for PAR-2 and cultured ... Helicobacterpylori and gastric mucosa in the pathogenesis of body atrophic gastritis.Gastroenterology 1996, 111:655-665.2. Parsonnet J, Friedman GD, Vandersteen DP: Helicobacter pylori infection and the ... PAR-3, and PAR-4. PAR-2 isactivated by multiple trypsin-like serine proteasesincluding trypsin, trypta se and coagulation protease* Correspondence: kim626@yonsei.ac.krDepartment of Food and...