Colitis, UlcerativeColitisCrohn DiseaseMesalamineColonInflammatory Bowel DiseasesAminosalicylic AcidsIntestinal MucosaProctocolectomy, RestorativeColitis, IschemicDextran SulfateRectumColectomySulfasalazinePouchitisColitis, CollagenousIleostomyGastrointestinal AgentsTrinitrobenzenesulfonic AcidColonic PouchesColitis, MicroscopicColonoscopyEnemaColitis, LymphocyticCholangitis, SclerosingAzathioprineProctitisMegacolon, ToxicColon, SigmoidAdministration, RectalIleitisAnti-Inflammatory Agents, Non-SteroidalIleumPrednisoloneBiopsySigmoidoscopyAnti-Inflammatory AgentsColonic NeoplasmsPeroxidaseColonic DiseasesHLA-B52 AntigenProctocolitisTreatment OutcomeAntibodies, Antineutrophil CytoplasmicDefecationSeverity of Illness IndexFecesCase-Control StudiesDisease Models, AnimalIntestinesProbioticsAdrenal Cortex HormonesNod2 Signaling Adaptor ProteinImmunosuppressive AgentsAnal CanalDysentery, AmebicTime FactorsRectal DiseasesIntestine, LargePyoderma GangrenosumRemission InductionChronic DiseaseFecal IncontinenceRecurrenceAdministration, OralPrecancerous ConditionsPhenylhydrazines6-MercaptopurineColorectal NeoplasmsInflammationDiarrheaFollow-Up StudiesDiverticulum, ColonAnastomosis, SurgicalAcute DiseaseSulfapyridineDouble-Blind MethodSteroidsPhosphorothioate OligonucleotidesOxazoloneMice, Inbred C57BLAminosalicylic AcidLeukapheresisAcetic AcidColonoscopesCytokinesAdenomatous Polyposis ColiMucins