Helicobacter pyloriGastritisGastritis, AtrophicStomachInflammationGastric MucosaHelicobacter InfectionsStomach NeoplasmsPyloric AntrumStomach DiseasesGastritis, HypertrophicStomach UlcerMetaplasiaGastroscopyInflammation MediatorsPepsinogen AAchlorhydriaGastrinsBile RefluxChronic DiseasePeptic UlcerParietal Cells, GastricPepsinogen CHelicobacter felisGastric JuiceMice, Inbred C57BLBiopsyDisease Models, AnimalDuodenitisDuodenal UlcerHelicobacter heilmanniiAnemia, PerniciousHelicobacterDyspepsiaPepsinogensUreaseGastric FundusCytokinesGastric AcidPostgastrectomy SyndromesEndoscopy, GastrointestinalPrecancerous ConditionsMice, KnockoutImmunohistochemistryBiological MarkersAutoimmune DiseasesEndoscopyLungAtrophyPneumoniaAnti-Ulcer AgentsTumor Necrosis Factor-alphaDuodenumH(+)-K(+)-Exchanging ATPaseCampylobacterGastrectomyNeutrophilsMice, Inbred BALB CAnti-Inflammatory AgentsInterleukin-6Antigens, BacterialNeurogenic InflammationColitisDuodenogastric RefluxOmeprazoleAcinonyxRNA, MessengerIntestinal MucosaMacrophagesEndoscopy, Digestive SystemGastric Acidity DeterminationBronchoalveolar Lavage FluidLipopolysaccharidesInterleukin-8AmoxicillinGastroenterostomyIntestinesC-Reactive ProteinTime FactorsAntibodies, BacterialAnti-Inflammatory Agents, Non-SteroidalInterleukin-1betaCells, CulturedGastrointestinal DiseasesBacterial ProteinsSignal TransductionEnzyme-Linked Immunosorbent AssayNeutrophil InfiltrationIntrinsic FactorOvalbuminAdenocarcinomaPylorusGastrin-Secreting CellsNF-kappa BReverse Transcriptase Polymerase Chain ReactionEsophagitisDigestive SystemGastrointestinal TractGastrointestinal MotilityChemokines