Gastric stem cell biology and Helicobacter pylori infection -- Clinical pathogenesis and molecular mechanisms of gastric cancerogenesis -- Helicobacter pylori metabolism and mitochondrial dysfunction in gastric cancer development -- Immune biology and persistence of Helicobacter pylori in gastric diseases -- Pathogenomics of Helicobacter pylori infection -- Helicobacter pylori interactions with the microbiota and gastric cancer development -- Helicobacter pylori-induced host cell DNA damage and gastric carcinogenesis -- Gastric inflammation and oncogenic signal transduction networks by Helicobacter pylori -- Impact of Helicobacter pylori oncoprotein CagA and vacuolating cytotoxin VacA in gastric cancer -- Role of proteases in Helicobacter pylori infections and gastric diseases -- Clinical management of gastric cancer treatment regimes.