2006
Rapid Hypoxia Preconditioning Protects Cortical Neurons From Glutamate Toxicity Through δ-Opioid Receptor
Zhang J, Qian H, Zhao P, Hong SS, Xia Y. Rapid Hypoxia Preconditioning Protects Cortical Neurons From Glutamate Toxicity Through δ-Opioid Receptor. Stroke 2006, 37: 1094-1099. PMID: 16514101, DOI: 10.1161/01.str.0000206444.29930.18.Peer-Reviewed Original ResearchConceptsDelta-opioid receptorsHypoxia preconditioningCortical neuronsNeuronal injuryGlutamate-induced neuronal injuryCultured rat cortical neuronsReceptor bindingSevere hypoxic injurySevere neuronal injuryRT-PCRCultured cortical neuronsMRNA levelsNMDA receptor expressionRat cortical neuronsΔ-opioid receptorsDOR mRNA levelsCulture day 8Short-term hypoxiaDOR mRNALactate dehydrogenase leakageHypoxic injuryGlutamate toxicityNeuronal viabilityReceptor expressionNeuroprotection
2005
Down-regulation of delta-opioid receptors in Na+/H+ exchanger 1 null mutant mouse brain with epilepsy
Zhao P, Ma M, Qian H, Xia Y. Down-regulation of delta-opioid receptors in Na+/H+ exchanger 1 null mutant mouse brain with epilepsy. Neuroscience Research 2005, 53: 442-446. PMID: 16297477, DOI: 10.1016/j.neures.2005.09.003.Peer-Reviewed Original ResearchConceptsDelta-opioid receptorsDOR expressionHippocampal regionGenesis of epilepsyMutant mouse brainNHE1-null miceHippocampal CA1CA3 regionEpilepsy phenotypeEpileptic activityTemporal cortexMouse brainNull miceAutoradiographic resultsUnderlying mechanismEpilepsyImmunohistochemistryCortexMiceBrainReceptorsExpressionNull mutationHippocampusNew cluesGABA and glycine are protective to mature but toxic to immature rat cortical neurons under hypoxia
Zhao P, Qian H, Xia Y. GABA and glycine are protective to mature but toxic to immature rat cortical neurons under hypoxia. European Journal Of Neuroscience 2005, 22: 289-300. PMID: 16045482, DOI: 10.1111/j.1460-9568.2005.04222.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCell CountCell DeathCell DifferentiationCell HypoxiaCells, CulturedCerebral CortexDose-Response Relationship, DrugDrug InteractionsEmbryo, MammalianEnkephalin, Leucine-2-AlanineGamma-Aminobutyric AcidGene Expression Regulation, DevelopmentalGlycineL-Lactate DehydrogenaseNeuronsRatsRats, Sprague-DawleyReceptors, GABA-AReceptors, GlycineReference ValuesTaurineTime FactorsConceptsGamma-aminobutyric acidRat cortical neuronsCortical neuronsInhibitory neurotransmitterHypoxic neuronsImmature neuronsHypoxic cortical neuronsDelta-opioid receptorsMajor inhibitory neurotransmitterHypoxic injuryNeuronal ageMature neuronsNeuronal responsesGlycine receptorsLong-term exposureNeuronsDifferential developmental profilesHypoxiaNeurotransmittersDevelopmental profileReceptorsTaurinePresent studyAgeRecent studiesOxygen-sensitive δ-Opioid Receptor-regulated Survival and Death Signals NOVEL INSIGHTS INTO NEURONAL PRECONDITIONING AND PROTECTION*
Ma M, Qian H, Ghassemi F, Zhao P, Xia Y. Oxygen-sensitive δ-Opioid Receptor-regulated Survival and Death Signals NOVEL INSIGHTS INTO NEURONAL PRECONDITIONING AND PROTECTION*. Journal Of Biological Chemistry 2005, 280: 16208-16218. PMID: 15687501, DOI: 10.1074/jbc.m408055200.Peer-Reviewed Original ResearchConceptsDelta-opioid receptorsHPC protectionSevere hypoxiaSpecific signaling pathwaysCytochrome c releaseP38 MAPK activityKinase C pathwayBcl-2 activityMembrane proteinsC releaseMAPK activityMolecular mechanismsSignaling pathwaysΔ-opioid receptorsP38 MAPKNovel insightsNovel mechanismC pathwayNeuronal injuryDOR antagonistDOR mRNAProtein levelsDOR expressionIschemic disordersNeuronal preconditioning