Celiac DiseaseGenetic Predisposition to DiseaseGlutensGliadinDiet, Gluten-FreeTransglutaminasesReticulinDermatitis HerpetiformisHLA-DQ AntigensDuodenumImmunoglobulin AIntestinal MucosaJejunumGenotypePolymorphism, GeneticCase-Control StudiesPolymorphism, Single NucleotideAutoantibodiesAllelesRisk FactorsPedigreeGene FrequencyGerm-Line MutationBiopsyDisease SusceptibilityIntestine, SmallGenetic TestingProlaminsAvena sativaHaplotypesPhenotypeFamily HealthGenetic LinkageGenetic MarkersAutoimmune DiseasesInterleukin-18 Receptor beta SubunitPrevalenceMutationNeoplastic Syndromes, HereditaryDiet TherapyHLA-DQ beta-ChainsHungaryGene-Environment InteractionAge of OnsetHLA-DR3 AntigenPelvimetryCrohn DiseaseHLA AntigensFamilyTwins, MonozygoticGenome-Wide Association StudyChromosome MappingDiseases in TwinsCohort StudiesDisease Models, AnimalGenetic Association StudiesHeredityIgA DeficiencyLinkage DisequilibriumDiabetes Mellitus, Type 1HLA-DR7 AntigenGenetic LociAtrophyAge FactorsDNA Mutational AnalysisHLA-DR AntigensAutoimmunityMalabsorption SyndromesGenetic VariationObesityDiet, Protein-RestrictedPenetranceThyroiditis, AutoimmuneWheat HypersensitivityIncidenceSerologic TestsDietRiskDiabetes Mellitus, Type 2LactuloseEuropean Continental Ancestry GroupLiver Cirrhosis, BiliaryAntibodiesDuodenoscopyImmunoglobulin GEndoscopy, GastrointestinalGenes, BRCA1HeterozygoteMicrosatellite RepeatsEnvironmentProspective StudiesPolymerase Chain ReactionNeoplasmsColitis, UlcerativeIntestinal NeoplasmsInfant, NewbornRisk AssessmentHLA-DRB1 ChainsNeoplasms, Multiple PrimaryOdds Ratio