2010
Post-weaning chronic social isolation produces profound behavioral dysregulation with decreases in prefrontal cortex synaptic-associated protein expression in female rats
Hermes G, Li N, Duman C, Duman R. Post-weaning chronic social isolation produces profound behavioral dysregulation with decreases in prefrontal cortex synaptic-associated protein expression in female rats. Physiology & Behavior 2010, 104: 354-359. PMID: 21185848, PMCID: PMC3387788, DOI: 10.1016/j.physbeh.2010.12.019.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsAnimals, NewbornBehavioral SymptomsBody WeightDisks Large Homolog 4 ProteinEstriolEstrusExploratory BehaviorFemaleFood DeprivationGene Expression Regulation, DevelopmentalIntracellular Signaling Peptides and ProteinsMembrane ProteinsPrefrontal CortexPregnancyRatsRats, Sprague-DawleyReceptors, AMPAReceptors, N-Methyl-D-AspartateSocial IsolationSynapsinsConceptsFemale ratsNovelty-suppressed feeding testPrefrontal cortexSocial isolationPost-weaning social isolationSynapse-related proteinsChronic social isolationFemale Sprague-DawleyEarly life stressorsSerotonergic functionGlutamate receptorsSprague-DawleyMale rodentsMaternal separationProtein PSD95Profound dysregulationNeuropsychiatric disordersBrain developmentRatsAnxiety disordersMarked deficitDeprivation resultsProtein expressionAdult animalsBiochemical effects
2009
Social isolation dysregulates endocrine and behavioral stress while increasing malignant burden of spontaneous mammary tumors
Hermes GL, Delgado B, Tretiakova M, Cavigelli SA, Krausz T, Conzen SD, McClintock MK. Social isolation dysregulates endocrine and behavioral stress while increasing malignant burden of spontaneous mammary tumors. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 22393-22398. PMID: 20018726, PMCID: PMC2799783, DOI: 10.1073/pnas.0910753106.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBehavior, AnimalBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingCorticosteroneEndocrine GlandsFemaleHumansMammary Neoplasms, ExperimentalOvaryRatsRats, Sprague-DawleyReceptors, GlucocorticoidRisk FactorsSocial EnvironmentSocial IsolationStress, PhysiologicalStress, PsychologicalConceptsDuctal carcinomaBreast cancerCorticosterone responseTumor developmentMammary tumor burdenProgesterone receptor statusEarly breast cancerMammary tumor growthInvasive ductal carcinomaSprague-Dawley ratsMammary tumor progressionAge-matched controlsSpontaneous mammary tumorsLife Span StudyMalignant burdenTumor estrogenReceptor statusTumor burdenOvarian functionFemale ratsMammary tumorsRelative riskTumor growthPsychosocial stressorsTumor progression
2008
Isolation and the timing of mammary gland development, gonadarche, and ovarian senescence: Implications for mammary tumor burden
Hermes GL, McClintock MK. Isolation and the timing of mammary gland development, gonadarche, and ovarian senescence: Implications for mammary tumor burden. Developmental Psychobiology 2008, 50: 353-360. PMID: 18393277, DOI: 10.1002/dev.20295.Peer-Reviewed Original ResearchConceptsMammary tumor burdenTumor burdenOvarian functionMammary gland developmentOvarian systemGreater tumor burdenGland developmentSpontaneous mammary tumorsSocial isolationMammary tissue developmentRisk factorsBreast cancerMammary tumorsOvarian senescenceEpidemiological studiesBreast parenchymaEarly pubertyRatsYoung adulthoodNorway ratsPubertyPsychosocial experiencesBurdenAgeEstropause
2005
Social isolation and the inflammatory response: sex differences in the enduring effects of a prior stressor
Hermes GL, Rosenthal L, Montag A, McClintock MK. Social isolation and the inflammatory response: sex differences in the enduring effects of a prior stressor. AJP Regulatory Integrative And Comparative Physiology 2005, 290: r273-r282. PMID: 16210419, DOI: 10.1152/ajpregu.00368.2005.Peer-Reviewed Original ResearchConceptsChronic social isolationInflammatory responseSocial isolationAnimal studiesPrior stressorsInnate inflammatory responseRobust inflammatory responseNumerous epidemiological studiesFemale Sprague-DawleyLong-term social isolationFirst animal studyAdverse psychological statesSex differencesNumerous disease processesInflammatory processSubcutaneous injectionSprague-DawleyLong-term effectsEpidemiological studiesDisease processShort-term effectsAcute stressSignificant sex differencesYoung adulthoodIsolated malesThe sectored foraging field: A novel design to quantify spatial strategies, learning, memory, and emotion
Hermes GL, Jacobs LF, McClintock MK. The sectored foraging field: A novel design to quantify spatial strategies, learning, memory, and emotion. Neurobiology Of Learning And Memory 2005, 84: 69-73. PMID: 15936684, DOI: 10.1016/j.nlm.2005.02.001.Peer-Reviewed Original ResearchConceptsNatural learning contextSame motor actionAnalysis of cognitionLearning strategiesSpatial navigation taskSpatial strategiesDifferent learning strategiesKinesthetic strategyCognitive performanceCue removalMotor actionsDifferent social ecologiesGroup contextMultiple learning strategiesLearning contextNavigation taskSocial ecologySocial environmentLocal cuesEmotionsCognitionGroup-housed ratsGroup-housed malesStressful environmentsAdulthood