ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2009
Prenatal cocaine reduces AMPA receptor synaptic expression through hyperphosphorylation of the synaptic anchoring protein GRIP.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 21 citations in OpenAlex.
- Glutamate receptors in brain development.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2021Review
- AMPA receptors and their minions: auxiliary proteins in AMPA receptor trafficking.Cellular and molecular life sciences : CMLS · 2019Review
- Cocaine craving during protracted withdrawal requires PKCε priming within vmPFC.Addiction biology · 2017Article
- Cocaine-induced neurodevelopmental deficits and underlying mechanisms.Birth defects research. Part C, Embryo today : reviews · 2016Review
- Prenatal Cocaine Exposure Upregulates BDNF-TrkB Signaling.PloS one · 2016Article
- Activity-dependent synaptic GRIP1 accumulation drives synaptic scaling up in response to action potential blockade.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Disruption of glutamate receptor-interacting protein in nucleus accumbens enhances vulnerability to cocaine relapse.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2014Article
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- Coupling mechanical forces to electrical signaling: molecular motors and the intracellular transport of ion channels.The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry · 2013Review
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- Cocaine facilitates PKC maturation by upregulating its phosphorylation at the activation loop in rat striatal neurons in vivo.Brain research · 2012Article
- Cortical development of AMPA receptor trafficking proteins.Frontiers in molecular neuroscience · 2012Article
- Prenatal Cocaine Disrupts Serotonin Signaling-Dependent Behaviors: Implications for Sex Differences, Early Stress and Prenatal SSRI Exposure.Current neuropharmacology · 2011Article
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- Prenatal cocaine exposure increases anxiety, impairs cognitive function and increases dendritic spine density in adult rats: influence of sex.Neuroscience · 2010Article
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
Abstract
Prenatal cocaine exposure produces sustained neurobehavioral and brain synaptic changes closely resembling those of animals with defective AMPA receptors (AMPARs). We hypothesized that prenatal cocaine exposure attenuates AMPAR signaling by interfering with AMPAR synaptic targeting. AMPAR function is governed by receptor cycling on and off the synaptic membrane through its interaction with glutamate receptor-interacting protein (GRIP), a PDZ domain protein that is regulated by reversible phosphorylation. Our results show that prenatal cocaine exposure markedly reduces AMPAR synaptic targeting and attenuates AMPAR-mediated synaptic long-term depression in the frontal cortex of 21-d-old rats. This cocaine effect is the result of reduced GRIP-AMPAR interaction caused by persistent phosphorylation of GRIP by protein kinase C (PKC) and Src tyrosine kinase. These data support the restoration of AMPAR activation via suppressing excessive PKC-mediated GRIP phosphorylation as a novel therapeutic approach to treat the neurobehavioral consequences of prenatal cocaine.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.