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
2023
Impaired Ghrelin Signaling Does Not Lead to Alterations of Anxiety-like Behaviors in Adult Mice Chronically Exposed to THC during Adolescence
Sestan-Pesa M, Shanabrough M, Horvath T, Miletta M. Impaired Ghrelin Signaling Does Not Lead to Alterations of Anxiety-like Behaviors in Adult Mice Chronically Exposed to THC during Adolescence. Biomedicines 2023, 11: 144. PMID: 36672651, PMCID: PMC9855766, DOI: 10.3390/biomedicines11010144.Peer-Reviewed Original ResearchAnxiety-like behaviorGrowth hormone secretagogue receptorTHC exposureAdult miceGHSR knockout miceDepression-like behaviorLate adolescenceWild-type littermatesLong-term useGHSR signalingGhrelin signalingSecretagogue receptorKnockout miceAnimal modelsTetrahydrocannabinol (THC) administrationMental illnessMiceSignificant alterationsGhrelinMarijuana useAdolescenceReceptorsProlonged periodExposureLong-term impact