Impaired α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) Receptor Trafficking and Function by Mutant Huntingtin*
Mandal M, Wei J, Zhong P, Cheng J, Duffney L, Liu W, Yuen E, Twelvetrees A, Li S, Li X, Kittler J, Yan Z. Impaired α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) Receptor Trafficking and Function by Mutant Huntingtin*. Journal Of Biological Chemistry 2011, 286: 33719-33728. PMID: 21832090, PMCID: PMC3190808, DOI: 10.1074/jbc.m111.236521.Peer-Reviewed Original ResearchConceptsMiniature excitatory postsynaptic currentsMouse modelMutant huntingtinAMPAR-mediated synaptic transmissionHuntington Disease PathophysiologyAMPAR-mediated miniature excitatory postsynaptic currentsExcitatory postsynaptic currentsTransgenic mouse modelHD mouse modelsIsoxazolepropionic acid receptor (AMPAR) traffickingReceptor traffickingAMPA receptor traffickingPolyQ-httGlutamatergic transmissionPostsynaptic currentsSynaptic excitationSynaptic transmissionAMPA receptorsWild-type huntingtinNeuronal culturesDisease pathophysiologySynaptic functionAMPAR traffickingΑ-aminoDiminished strengthAmyloid β Peptide-(1–42) Induces Internalization and Degradation of β2 Adrenergic Receptors in Prefrontal Cortical Neurons*
Wang D, Yuen E, Zhou Y, Yan Z, Xiang Y. Amyloid β Peptide-(1–42) Induces Internalization and Degradation of β2 Adrenergic Receptors in Prefrontal Cortical Neurons*. Journal Of Biological Chemistry 2011, 286: 31852-31863. PMID: 21757762, PMCID: PMC3173113, DOI: 10.1074/jbc.m111.244335.Peer-Reviewed Original ResearchConceptsPrefrontal cortical neuronsCortical neuronsAdrenergic receptorsAMPA receptor-mediated miniature excitatory postsynaptic currentsG protein-coupled receptor kinase phosphorylationMiniature excitatory postsynaptic currentsCerebrum of miceΒAR agonist isoproterenolAmyloid precursor protein geneExcitatory postsynaptic currentsG protein-coupled receptor kinasesPrecursor protein geneProtein-coupled receptor kinasesReceptor subunit 1Mutant presenilin 1Receptor kinase phosphorylationGlutamatergic activityGlutamatergic regulationAβ bindsInduces desensitizationAβ treatmentPostsynaptic currentsΒ2-adrenergic receptorSynaptic activityAgonist isoproterenol