2024
Hypothalamic hormone deficiency enables physiological anorexia in ground squirrels during hibernation
Mohr S, Dai Pra R, Platt M, Feketa V, Shanabrough M, Varela L, Kristant A, Cao H, Merriman D, Horvath T, Bagriantsev S, Gracheva E. Hypothalamic hormone deficiency enables physiological anorexia in ground squirrels during hibernation. Nature Communications 2024, 15: 5803. PMID: 38987241, PMCID: PMC11236985, DOI: 10.1038/s41467-024-49996-2.Peer-Reviewed Original ResearchConceptsHypothalamic feeding centersHormone deficiencyHypothalamic arcuate nucleus neuronsArcuate nucleus neuronsThyroid hormone deficiencyFeeding centerEffects of ghrelinAnorexigenic effectNucleus neuronsPhysiological anorexiaThyroid hormonesNormal physiological functionsGround squirrelsInterbout arousalAnorexiaThirteen-lined ground squirrelsProlonged periodReduced sensitivityPhysiological functionsDeficiency
2017
Ghrelin is Related to Personality Differences in Reward Sensitivity and Impulsivity
Ralevski E, Shanabrough M, Newcomb J, Gandelman E, Hayden R, Horvath TL, Petrakis I. Ghrelin is Related to Personality Differences in Reward Sensitivity and Impulsivity. Alcohol And Alcoholism 2017, 53: 52-56. PMID: 29136100, DOI: 10.1093/alcalc/agx082.Peer-Reviewed Original ResearchConceptsAspects of impulsivityTraits of impulsivityHealthy social drinkersSocial drinkersReward sensitivityImpulsivity traitsPersonality measuresPersonality differencesImpulsivityDrugs of abusePersonality characteristicsSubjective effectsDirect relationshipHigh levelsDrinkersFeeding-related peptidesPunishmentFirst studyIndividualsTraitsSecondary analysisParticipantsAbuseRelationshipOriginal studyGhrelin is Supressed by Intravenous Alcohol and is Related to Stimulant and Sedative Effects of Alcohol
Ralevski E, Horvath TL, Shanabrough M, Hayden R, Newcomb J, Petrakis I. Ghrelin is Supressed by Intravenous Alcohol and is Related to Stimulant and Sedative Effects of Alcohol. Alcohol And Alcoholism 2017, 52: 431-438. PMID: 28481974, DOI: 10.1093/alcalc/agx022.Peer-Reviewed Original ResearchConceptsGhrelin levelsDoses of alcoholHealthy social drinkersSubjective effectsTG levelsAlcohol infusionSedative effectsLow doseHigh doseOral alcohol administrationIntravenous alcohol infusionFeeding-related peptidesSocial drinkersAlcohol administrationIntravenous alcoholOral alcoholGhrelinPercent changeInfusionRewarding propertiesBehavioral effectsAlcohol effectsDoseTime pointsSignificant predictors
2011
Maternal Ghrelin Deficiency Compromises Reproduction in Female Progeny through Altered Uterine Developmental Programming
Martin JR, Lieber SB, McGrath J, Shanabrough M, Horvath TL, Taylor HS. Maternal Ghrelin Deficiency Compromises Reproduction in Female Progeny through Altered Uterine Developmental Programming. Endocrinology 2011, 152: 2060-2066. PMID: 21325042, PMCID: PMC3075930, DOI: 10.1210/en.2010-1485.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEmbryo ImplantationFemaleFertilityGene Expression Regulation, DevelopmentalGhrelinHeterozygoteHomeobox A10 ProteinsHomeodomain ProteinsImmunohistochemistryLitter SizeMaleMiceMice, KnockoutProliferating Cell Nuclear AntigenReproductionReverse Transcriptase Polymerase Chain ReactionTranscription FactorsUterusWnt ProteinsConceptsGhrelin deficiencyDevelopmental programmingAbnormal endometrial functionFemale wild-type miceUterus of miceLevels of ghrelinRegulation of appetiteWild-type miceReproductive tract developmentWild-type offspringSubsequent subfertilityEndometrial proliferationUnexposed miceEndometrial functionUtero exposureUterine expressionEmbryo implantationOvarian folliclesCorpora luteaGhrelinReproductive tractTract developmentMiceSignificant alterationsSubfertility