Mechanisms underlying NMDA receptor synaptic/extrasynaptic distribution and function

CM Gladding, LA Raymond - Molecular and Cellular Neuroscience, 2011 - Elsevier
Research over the last few decades has shaped our understanding of the crucial
involvement of the N-methyl-d-aspartate receptor (NMDAR) in mediating excitatory synaptic …

Therapeutic implications for striatal-enriched protein tyrosine phosphatase (STEP) in neuropsychiatric disorders

SM Goebel-Goody, M Baum, CD Paspalas… - Pharmacological …, 2012 - ASPET
Striatal-enriched protein tyrosine phosphatase (STEP) is a brain-specific phosphatase that
modulates key signaling molecules involved in synaptic plasticity and neuronal function …

Extrasynaptic NMDA receptors couple preferentially to excitotoxicity via calpain-mediated cleavage of STEP

J Xu, P Kurup, Y Zhang, SM Goebel-Goody… - Journal of …, 2009 - Soc Neuroscience
NMDA receptor (NMDAR)-mediated excitotoxicity plays an important role in several CNS
disorders, including epilepsy, stroke, and ischemia. Here we demonstrate the involvement of …

Aβ-mediated NMDA receptor endocytosis in Alzheimer's disease involves ubiquitination of the tyrosine phosphatase STEP61

P Kurup, Y Zhang, J Xu, DV Venkitaramani… - Journal of …, 2010 - Soc Neuroscience
Amyloid β (Aβ) is involved in the etiology of Alzheimer's disease (AD) and may contribute to
cognitive deficits by increasing internalization of ionotropic glutamate receptors. Striatal …

Striatal enriched phosphatase 61 dephosphorylates Fyn at phosphotyrosine 420

TH Nguyen, J Liu, PJ Lombroso - Journal of Biological Chemistry, 2002 - ASBMB
A family of protein tyrosine phosphatases enriched within the central nervous system called
striatal enriched phosphatase (STEP) has been implicated in the regulation of the N-methyl …

The Dopamine/D1 receptor mediates the phosphorylation and inactivation of the protein tyrosine phosphatase STEP via a PKA-dependent pathway

S Paul, GL Snyder, H Yokakura… - Journal of …, 2000 - Soc Neuroscience
The striatal-enriched protein tyrosine phosphatase (STEP) family is expressed within
dopaminoceptive neurons of the CNS and is particularly enriched within the basal ganglia …

Increased phosphorylation and redistribution of NMDA receptors between synaptic lipid rafts and post‐synaptic densities following transient global ischemia in the rat …

S Besshoh, D Bawa, L Teves… - Journal of …, 2005 - Wiley Online Library
Ischemia results in increased phosphorylation of NMDA receptors. To investigate the
possible role of lipid rafts in this increase, lipid rafts and post‐synaptic densities (PSDs) were …

Synaptic plasticity: one STEP at a time

SP Braithwaite, S Paul, AC Nairn, PJ Lombroso - Trends in neurosciences, 2006 - cell.com
Striatal enriched tyrosine phosphatase (STEP) has recently been identified as a crucial
player in the regulation of synaptic function. It is restricted to neurons within the CNS and …

NMDA receptors and the differential ischemic vulnerability of hippocampal neurons

CE Gee, P Benquet, O Raineteau… - European Journal of …, 2006 - Wiley Online Library
Transient cerebral ischemia causes an inhomogeneous pattern of cell death in the brain. We
investigated mechanisms, which may underlie the greater susceptibility of hippocampal CA1 …

Intracellular calcium accumulation during the evolution of hypoxic–ischemic brain damage in the immature rat

RC Vannucci, RM Brucklacher, SJ Vannucci - Developmental Brain …, 2001 - Elsevier
An excessive intracellular accumulation of calcium (Ca2+) in neurons and glia has been
proposed to represent a major 'final common pathway'for cell death arising from hypoxia …