The Role of Vacuolating Cytotoxin A (VacA) Allelic Variations in Helicobacter pylori Infection Related Peptic Ulcer Disease
Genichiro Fujioka Background: Peptic ulcer disease (PUD) is a gastrointestinal disease that involves lesions of the stomach or duodenum that extend to at least the submucosal layer.1 Untreated PUD can lead to many serious and life-threatening complications such as acute upper GI bleeding, perforation, and gastric outlet obstruction.1 One of…