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 cluesOxygen-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
2002
Neuroprotective role of δ-opioid receptors in cortical neurons
Zhang J, Gibney GT, Zhao P, Xia Y. Neuroprotective role of δ-opioid receptors in cortical neurons. American Journal Of Physiology - Cell Physiology 2002, 282: c1225-c1234. PMID: 11997236, DOI: 10.1152/ajpcell.00226.2001.Peer-Reviewed Original ResearchConceptsCortical neuronsNeuronal injuryHypoxic injuryReceptor activationKappa-opioid receptor inhibitionDelta-opioid receptor activationOpioid receptor activationCultured cortical neuronsGlutamate-induced injuryΔ-opioid receptorsLactate dehydrogenase releaseImmature neuronsNeuroprotective roleReceptor inhibitionHypoxic exposureNeuronal susceptibilityCell injuryDay 4InjuryDehydrogenase releaseNeuronsActivation/inhibitionHypoxiaHypoxic conditionsHypoxic stress