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Articles 1 - 8 of 8
Full-Text Articles in Neuroscience and Neurobiology
Syd-1, A Presynaptic Protein With Pdz, C2 And Rhogap-Like Domains, Specifies Axon Identity In C. Elegans, Steven Hallam, Alexandr Goncharov, Jason Mcewen, Renee Baran, Yishi Jin
Syd-1, A Presynaptic Protein With Pdz, C2 And Rhogap-Like Domains, Specifies Axon Identity In C. Elegans, Steven Hallam, Alexandr Goncharov, Jason Mcewen, Renee Baran, Yishi Jin
Renee Baran
Axons are defined by the presence of presynaptic specializations at specific locations. We show here that loss-of-function mutations in the C. elegans gene syd-1 cause presynaptic specializations to form in the dendritic processes of GABA-expressing motor neurons during initial differentiation. At a later developmental stage, however, syd-1 is not required for the polarity respecification of a subset of these neurons. The SYD-1 protein contains PDZ, C2 and rho–GTPase activating protein (GAP)-like domains, and is localized to presynaptic terminals in mature neurons. A truncated SYD-1 that lacks the rhoGAP domain interferes with neurite outgrowth and guidance. Our data indicate that syd-1 …
Getting A Grip On Liprins, Renee Baran, Yishi Jin
Getting A Grip On Liprins, Renee Baran, Yishi Jin
Renee Baran
Two papers in this issue of Neuron add a new dimension to our understanding of liprin and LAR RPTP function during synapse formation. Kaufmann et al. (2002) present evidence that Dliprin-α interacts with Dlar to regulate presynaptic morphogenesis of the Drosophila neuromuscular junction. Wyszynski et al. (2002) demonstrate that mammalian liprin-α1 forms a complex with the PDZ protein GRIP and LAR in both pre- and postsynaptic compartments of hippocampal neurons and is required for the clustering of the GluR2 glutamate receptor in dendritic spines.
The Nmda Receptor M3 Segment Is A Conserved Transduction Element Coupling Ligand Binding To Channel Opening, Kevin S. Jones, Hendrika M A Vandongen, Antonius M. Vandongen
The Nmda Receptor M3 Segment Is A Conserved Transduction Element Coupling Ligand Binding To Channel Opening, Kevin S. Jones, Hendrika M A Vandongen, Antonius M. Vandongen
Kevin Jones
Synchronization Of The Human Cortical Working Memory Network, Sharlene Newman, Marcel Just, Patricia Carpenter
Synchronization Of The Human Cortical Working Memory Network, Sharlene Newman, Marcel Just, Patricia Carpenter
Marcel Adam Just
No abstract provided.
Principles Of Antiepileptic Drug Action, Michael Rogawski
Principles Of Antiepileptic Drug Action, Michael Rogawski
Michael A. Rogawski
No abstract provided.
Molecular Basis Of An Inherited Epilepsy, Christoph Lossin, T. H. Rhodes, C. Vanoye, D. Wang, Alfred L. George
Molecular Basis Of An Inherited Epilepsy, Christoph Lossin, T. H. Rhodes, C. Vanoye, D. Wang, Alfred L. George
Christoph Lossin, Ph.D.
Mutations in SCN1A, the gene encoding the brain voltage-gated sodium channel alpha1 subunit (NaV1.1), are associated with at least two forms of epilepsy, generalized epilepsy with febrile seizures plus (GEFS+) and severe myoclonic epilepsy of infancy (SMEI). We examined the functional properties of four GEFS+ alleles and one SMEI allele using whole-cell patch-clamp analysis of heterologously expressed recombinant human SCN1A. One previously reported GEFS+ mutation (I1656M) and an additional novel allele (R1657C), both affecting residues in a voltage-sensing S4 segment, exhibited a similar depolarizing shift in the voltage dependence of activation. Additionally, R1657C showed a 50% reduction in current density …
Epilepsy (Ionotropic Glutamate Receptors As Therapeutic Targets), Wolfgang Löscher, Michael A. Rogawski
Epilepsy (Ionotropic Glutamate Receptors As Therapeutic Targets), Wolfgang Löscher, Michael A. Rogawski
Michael A. Rogawski
No abstract provided.
An Fmri Study Of Bilingual Sentence Comprehension And Workload, Mihoko Hasegawa, Patricia A. Carpenter, Marcel Adam Just
An Fmri Study Of Bilingual Sentence Comprehension And Workload, Mihoko Hasegawa, Patricia A. Carpenter, Marcel Adam Just
Marcel Adam Just
No abstract provided.