Participation of CaMKII in neuronal plasticity and memory formation. 2002

Martín Cammarota, and Lia R M Bevilaqua, and Haydée Viola, and Daniel S Kerr, and Bruno Reichmann, and Viviane Teixeira, and Mário Bulla, and Iván Izquierdo, and Jorge H Medina
Centro de Memória, Departamento de Bioquímica, ICBS, UFRGS, Porto Alegre, Brasil. mcammaro@terra.com.br

1. The unique biochemical properties of Ca(2+)/calmodulin (CaM)-dependent protein kinase II have made this enzyme one of the paradigmatic models of the forever searched "memory molecule." 2. In particular, the central participation of CaMKII as a sensor of the Ca(2+) signals generated by activation of NMDA receptors after the induction of long-term plastic changes, has encouraged the use of pharmacological, genetic, biochemical, and imaging tools to unveil the role of this kinase in the acquisition, consolidation, and expression of different types of memories. 3. Here we review some of the more exciting discoveries related to the mechanisms involved in CaMKII activation and synaptic plasticity.

UI MeSH Term Description Entries
D008568 Memory Complex mental function having four distinct phases: (1) memorizing or learning, (2) retention, (3) recall, and (4) recognition. Clinically, it is usually subdivided into immediate, recent, and remote memory.
D009435 Synaptic Transmission The communication from a NEURON to a target (neuron, muscle, or secretory cell) across a SYNAPSE. In chemical synaptic transmission, the presynaptic neuron releases a NEUROTRANSMITTER that diffuses across the synaptic cleft and binds to specific synaptic receptors, activating them. The activated receptors modulate specific ion channels and/or second-messenger systems in the postsynaptic cell. In electrical synaptic transmission, electrical signals are communicated as an ionic current flow across ELECTRICAL SYNAPSES. Neural Transmission,Neurotransmission,Transmission, Neural,Transmission, Synaptic
D009473 Neuronal Plasticity The capacity of the NERVOUS SYSTEM to change its reactivity as the result of successive activations. Brain Plasticity,Plasticity, Neuronal,Axon Pruning,Axonal Pruning,Dendrite Arborization,Dendrite Pruning,Dendritic Arborization,Dendritic Pruning,Dendritic Remodeling,Neural Plasticity,Neurite Pruning,Neuronal Arborization,Neuronal Network Remodeling,Neuronal Pruning,Neuronal Remodeling,Neuroplasticity,Synaptic Plasticity,Synaptic Pruning,Arborization, Dendrite,Arborization, Dendritic,Arborization, Neuronal,Arborizations, Dendrite,Arborizations, Dendritic,Arborizations, Neuronal,Axon Prunings,Axonal Prunings,Brain Plasticities,Dendrite Arborizations,Dendrite Prunings,Dendritic Arborizations,Dendritic Prunings,Dendritic Remodelings,Network Remodeling, Neuronal,Network Remodelings, Neuronal,Neural Plasticities,Neurite Prunings,Neuronal Arborizations,Neuronal Network Remodelings,Neuronal Plasticities,Neuronal Prunings,Neuronal Remodelings,Neuroplasticities,Plasticities, Brain,Plasticities, Neural,Plasticities, Neuronal,Plasticities, Synaptic,Plasticity, Brain,Plasticity, Neural,Plasticity, Synaptic,Pruning, Axon,Pruning, Axonal,Pruning, Dendrite,Pruning, Dendritic,Pruning, Neurite,Pruning, Neuronal,Pruning, Synaptic,Prunings, Axon,Prunings, Axonal,Prunings, Dendrite,Prunings, Dendritic,Prunings, Neurite,Prunings, Neuronal,Prunings, Synaptic,Remodeling, Dendritic,Remodeling, Neuronal,Remodeling, Neuronal Network,Remodelings, Dendritic,Remodelings, Neuronal,Remodelings, Neuronal Network,Synaptic Plasticities,Synaptic Prunings
D006624 Hippocampus A curved elevation of GRAY MATTER extending the entire length of the floor of the TEMPORAL HORN of the LATERAL VENTRICLE (see also TEMPORAL LOBE). The hippocampus proper, subiculum, and DENTATE GYRUS constitute the hippocampal formation. Sometimes authors include the ENTORHINAL CORTEX in the hippocampal formation. Ammon Horn,Cornu Ammonis,Hippocampal Formation,Subiculum,Ammon's Horn,Hippocampus Proper,Ammons Horn,Formation, Hippocampal,Formations, Hippocampal,Hippocampal Formations,Hippocampus Propers,Horn, Ammon,Horn, Ammon's,Proper, Hippocampus,Propers, Hippocampus,Subiculums
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013570 Synaptic Membranes Cell membranes associated with synapses. Both presynaptic and postsynaptic membranes are included along with their integral or tightly associated specializations for the release or reception of transmitters. Membrane, Synaptic,Membranes, Synaptic,Synaptic Membrane
D017470 Receptors, Glutamate Cell-surface proteins that bind glutamate and trigger changes which influence the behavior of cells. Glutamate receptors include ionotropic receptors (AMPA, kainate, and N-methyl-D-aspartate receptors), which directly control ion channels, and metabotropic receptors which act through second messenger systems. Glutamate receptors are the most common mediators of fast excitatory synaptic transmission in the central nervous system. They have also been implicated in the mechanisms of memory and of many diseases. Excitatory Amino Acid Receptors,Glutamate Receptors,Receptors, Excitatory Amino Acid,Excitatory Amino Acid Receptor,Glutamate Receptor,Receptor, Glutamate
D017729 Presynaptic Terminals The distal terminations of axons which are specialized for the release of neurotransmitters. Also included are varicosities along the course of axons which have similar specializations and also release transmitters. Presynaptic terminals in both the central and peripheral nervous systems are included. Axon Terminals,Nerve Endings, Presynaptic,Synaptic Boutons,Synaptic Terminals,Axon Terminal,Bouton, Synaptic,Boutons, Synaptic,Ending, Presynaptic Nerve,Endings, Presynaptic Nerve,Nerve Ending, Presynaptic,Presynaptic Nerve Ending,Presynaptic Nerve Endings,Presynaptic Terminal,Synaptic Bouton,Synaptic Terminal,Terminal, Axon,Terminal, Presynaptic,Terminal, Synaptic,Terminals, Axon,Terminals, Presynaptic,Terminals, Synaptic
D054732 Calcium-Calmodulin-Dependent Protein Kinase Type 2 A multifunctional calcium-calmodulin-dependent protein kinase subtype that occurs as an oligomeric protein comprised of twelve subunits. It differs from other enzyme subtypes in that it lacks a phosphorylatable activation domain that can respond to CALCIUM-CALMODULIN-DEPENDENT PROTEIN KINASE KINASE. Ca(2+)-Calmodulin Dependent Protein Kinase Type II,CaCMKII,CaM KII,CaM KIIalpha,CaM KIIbeta,CaM KIIdelta,CaM Kinase II,CaM Kinase II alpha,CaM Kinase II beta,CaM Kinase II delta,CaM Kinase II gamma,CaM PK II,CaM-Kinase II,CaM-Kinase IIalpha,CaMKII,CaMKIIgamma,Calcium-Calmodulin Dependent Protein Kinase II beta,Calcium-Calmodulin Dependent Protein Kinase II delta,Calcium-Calmodulin Dependent Protein Kinase II gamma,Calcium-Calmodulin Protein Kinase II,Calcium-Calmodulin-Dependent PK Type II,Calcium-Calmodulin-Dependent Protein Kinase Type 2 alpha Subunit,Calcium-Calmodulin-Dependent Protein Kinase Type 2 beta Subunit,Calcium-Calmodulin-Dependent Protein Kinase Type 2 delta Subunit,Calcium-Calmodulin-Dependent Protein Kinase Type 2 gamma Subunit,Calcium-Dependent CaM Kinase II,Calmodulin Kinase IIalpha,Calmodulin-Dependent Protein Kinase II,CaM Kinase IIalpha,Calcium Calmodulin Dependent PK Type II,Calcium Calmodulin Dependent Protein Kinase II beta,Calcium Calmodulin Dependent Protein Kinase II delta,Calcium Calmodulin Dependent Protein Kinase II gamma,Calcium Calmodulin Dependent Protein Kinase Type 2,Calcium Calmodulin Dependent Protein Kinase Type 2 alpha Subunit,Calcium Calmodulin Dependent Protein Kinase Type 2 beta Subunit,Calcium Calmodulin Dependent Protein Kinase Type 2 delta Subunit,Calcium Calmodulin Dependent Protein Kinase Type 2 gamma Subunit,Calcium Calmodulin Protein Kinase II,Calcium Dependent CaM Kinase II,Calmodulin Dependent Protein Kinase II

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