2024
W22. EATING DISORDERS OVER THE WEIGHT SPECTRUM: DISSECTING GENETIC DIFFERENCES OF EATING DISORDERS, THINNESS, AND OBESITY
Xu J, Signer R, Hicks E, Johnston K, Termorshuizen J, Group P, Bulik C, Huckins L. W22. EATING DISORDERS OVER THE WEIGHT SPECTRUM: DISSECTING GENETIC DIFFERENCES OF EATING DISORDERS, THINNESS, AND OBESITY. European Neuropsychopharmacology 2024, 87: 112. DOI: 10.1016/j.euroneuro.2024.08.231.Peer-Reviewed Original ResearchTissue-specific mannerSignificant genesCC-GWASGenetic distanceConstitutional thinnessIdentified multiple risk variantsBonferroni significanceGenome-wide lociGenome-wide significanceMultiple risk variantsConcordant effect directionsBinge eatingClinical differencesEating disordersGTEx v8S-PrediXcanAN-BGene associationsGenetic relationshipsRisk variantsRisk genesWeight-related traitsGenetic etiologyGenesDifferential expression
2023
Genetically Regulated Gene Expression in the Brain Associated With Chronic Pain: Relationships With Clinical Traits and Potential for Drug Repurposing
Johnston K, Cote A, Hicks E, Johnson J, Huckins L. Genetically Regulated Gene Expression in the Brain Associated With Chronic Pain: Relationships With Clinical Traits and Potential for Drug Repurposing. Biological Psychiatry 2023, 95: 745-761. PMID: 37678542, PMCID: PMC10924073, DOI: 10.1016/j.biopsych.2023.08.023.Peer-Reviewed Original ResearchConceptsGenetically regulated gene expressionMultisite chronic painGene-tissue associationsMean pain scoreUnique genesChronic painAssociation studiesS-PrediXcanGene expressionPain scoresTranscriptome-wide association studyPhenome-wide association studyCardiac dysrhythmiasMetabolic syndromeGenome-wide association studiesAssociated with cardiac dysrhythmiasDrug targetsGenotype-phenotype gapChronic pain developmentAssociation study resultsGene expression changesJoint/ligament sprainsDirection of effectTranscriptome imputationPain traits
2022
Mapping anorexia nervosa genes to clinical phenotypes
Johnson J, Cote A, Dobbyn A, Sloofman L, Xu J, Cotter L, Charney A, Consortium E, Birgegård A, Jordan J, Kennedy M, Landén M, Maguire S, Martin N, Mortensen P, Thornton L, Bulik C, Huckins L. Mapping anorexia nervosa genes to clinical phenotypes. Psychological Medicine 2022, 53: 2619-2633. PMID: 35379376, PMCID: PMC10123844, DOI: 10.1017/s0033291721004554.Peer-Reviewed Original ResearchConceptsBody mass indexGenome-wide association studiesTranscriptome imputationElectronic health record phenotypingAssociation studiesPhenome-wide association studyS-PrediXcan analysisMeasurement of cholesterolTraditional genome-wide association studiesGenes associated with ANAssociation of genetic variantsSubstance useGenetically regulated gene expressionImpact of body mass indexConsequences of aberrant expressionBiobank cohortBiobank populationAssociated with measuresAssociation of ANGWAS findingsSecondary analysisS-PrediXcanDisease riskMass indexSignificant genes
2018
Exploring the phenotypic consequences of tissue specific gene expression variation inferred from GWAS summary statistics
Barbeira A, Dickinson S, Bonazzola R, Zheng J, Wheeler H, Torres J, Torstenson E, Shah K, Garcia T, Edwards T, Stahl E, Huckins L, GTEx Consortium, Nicolae D, Cox N, Im H. Exploring the phenotypic consequences of tissue specific gene expression variation inferred from GWAS summary statistics. Nature Communications 2018, 9: 1825. PMID: 29739930, PMCID: PMC5940825, DOI: 10.1038/s41467-018-03621-1.Peer-Reviewed Original ResearchConceptsGene expression variationExpression variationMonogenic disease genesGWAS summary statisticsSpectrum of milder phenotypesGTEx tissuesS-PrediXcanDisease genesTrait etiologyPhenotypic consequencesGenetic variantsHuman phenotypesRegulatory mechanismsMilder phenotypeSummary statisticsSignificant associationPhenotypeGenesTraitsMeta-analysis studySummary dataReference setsPrediXcanIndependent cohortGWAS