GastritisGastritis, AtrophicInflammationHelicobacter pyloriGastric MucosaHelicobacter InfectionsPyloric AntrumGastritis, HypertrophicMetaplasiaInflammation MediatorsStomachGastroscopyPepsinogen AStomach NeoplasmsAchlorhydriaBile RefluxChronic DiseaseStomach UlcerGastrinsPeptic UlcerPepsinogen CStomach DiseasesMice, Inbred C57BLHelicobacter felisDuodenal UlcerDisease Models, AnimalBiopsyDuodenitisHelicobacter heilmanniiParietal Cells, GastricAnemia, PerniciousCytokinesHelicobacterDyspepsiaUreaseGastric JuicePepsinogensMice, KnockoutPostgastrectomy SyndromesPrecancerous ConditionsEndoscopy, GastrointestinalAutoimmune DiseasesBiological MarkersPneumoniaAtrophyTumor Necrosis Factor-alphaLungNeutrophilsInterleukin-6CampylobacterAnti-Inflammatory AgentsNeurogenic InflammationEndoscopyMice, Inbred BALB CAntigens, BacterialAcinonyxColitisAnti-Ulcer AgentsMacrophagesImmunohistochemistryBronchoalveolar Lavage FluidGastric AcidLipopolysaccharidesC-Reactive ProteinInterleukin-8H(+)-K(+)-Exchanging ATPaseAmoxicillinInterleukin-1betaAntibodies, BacterialOmeprazoleDuodenogastric RefluxGastric FundusNeutrophil InfiltrationCells, CulturedRNA, MessengerEndoscopy, Digestive SystemOvalbuminIntestinal MucosaEnzyme-Linked Immunosorbent AssaySignal TransductionNF-kappa BGastroenterostomyBacterial ProteinsAnti-Inflammatory Agents, Non-SteroidalChemokinesEosinophilsDermatitisIntrinsic FactorRespiratory HypersensitivityCarrageenanAsthmaEsophagitisIntestinesGastric Acidity DeterminationBronchial HyperreactivityBismuthLeukocytesThymectomyGene Expression RegulationTime Factors