The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.
Acute Stress Increases Depolarization-Evoked Glutamate Release in the Rat Prefrontal/Frontal Cortex: The Dampening Action of Antidepressants
Open accessAbstract
BACKGROUND: Behavioral stress is recognized as a main risk factor for neuropsychiatric diseases. Converging evidence suggested that acute stress is associated with increase of excitatory transmission in certain forebrain areas. Aim of this work was to investigate the mechanism whereby acute stress increases glutamate release, and if therapeutic drugs prevent the effect of stress on glutamate release. METHODOLOGY/FINDINGS: Rats were chronically treated with vehicle or drugs employed for therapy of mood/anxiety disorders (fluoxetine, desipramine, venlafaxine, agomelatine) and then subjected to unpredictable footshock stress. Acute stress induced marked increase in depolarization-evoked release of glutamate from synaptosomes of prefrontal/frontal cortex in superfusion, and the chronic drug treatments prevented the increase of glutamate release. Stress induced rapid increase in the circulating levels of corticosterone in all rats (both vehicle- and drug-treated), and glutamate release increase was blocked by previous administration of selective antagonist of glucocorticoid receptor (RU 486). On the molecular level, stress induced accumulation of presynaptic SNARE complexes in synaptic membranes (both in vehicle- and drug-treated rats). Patch-clamp recordings of pyramidal neurons in the prefrontal cortex revealed that stress increased glutamatergic transmission through both pre- and postsynaptic mechanisms, and that antidepressants may normalize it by reducing release probability. CONCLUSIONS/SIGNIFICANCE: Acute footshock stress up-regulated depolarization-evoked release of glutamate from synaptosomes of prefrontal/frontal cortex. Stress-induced increase of glutamate release was dependent on stimulation of glucocorticoid receptor by corticosterone. Because all drugs employed did not block either elevation of corticosterone or accumulation of SNARE complexes, the dampening action of the drugs on glutamate release must be downstream of these processes. This novel effect of antidepressants on the response to stress, shown here for the first time, could be related to the therapeutic action of these drugs.
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Citations
Cites
Influence of life stress on depression: moderation by a polymorphism in the 5-HTT gene
Caspi, A., Sugden, K., Moffitt, T. E., Taylor, A., Craig, I. W., Harrington, H., McClay, J., Mill, J., Martin, J., Braithwaite, A., et al. (2003) · Science · doi:10.1126/science.1083968 · Cited by 8,120
Physiology and neurobiology of stress and adaptation: central role of the brain
McEwen, B. S. (2007) · Physiological Reviews · doi:10.1152/physrev.00041.2006 · Cited by 5,429 · cited 1×
“Inappropriate stress response acts as a trigger, which may produce a vulnerable phenotype in genetically predisposed individuals and increase the risk for mental ilness [2,3].”
BackgroundStress and the brain: from adaptation to disease
de Kloet, E. R., Joëls, M., & Holsboer, F. (2005) · Nature Reviews Neuroscience · doi:10.1038/nrn1683 · Cited by 4,621
Stress signalling pathways that impair prefrontal cortex structure and function
Arnsten, A. F. T. (2009) · Nature Reviews Neuroscience · doi:10.1038/nrn2648 · Cited by 3,299
The molecular neurobiology of depression
Krishnan, V., & Nestler, E. J. (2008) · Nature · doi:10.1038/nature07455 · Cited by 2,889
SNAREs — engines for membrane fusion
Jahn, R., & Scheller, R. H. (2006) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm2002 · Cited by 2,635
Südhof, T. C. (2004) · Annual Review of Neuroscience · doi:10.1146/annurev.neuro.26.041002.131412 · Cited by 2,547
Stress, Depression, and Neuroplasticity: A Convergence of Mechanisms
Pittenger, C., & Duman, R. S. (2008) · Neuropsychopharmacology · doi:10.1038/sj.npp.1301574 · Cited by 1,795
The stressed hippocampus, synaptic plasticity and lost memories
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Targeting the glutamatergic system to develop novel, improved therapeutics for mood disorders
Sanacora, G., Zarate, C. A., Krystal, J. H., & Manji, H. K. (2008) · Nature Reviews Drug Discovery · doi:10.1038/nrd2462 · Cited by 894
Cited by
The stressed synapse: the impact of stress and glucocorticoids on glutamate transmission
Popoli, M., Yan, Z., McEwen, B. S., & Sanacora, G. (2012) · Nature Reviews Neuroscience · doi:10.1038/nrn3138 · Cited by 1,393
Self-citationTowards a glutamate hypothesis of depression
Sanacora, G., Treccani, G., & Popoli, M. (2012) · Neuropharmacology · doi:10.1016/j.neuropharm.2011.07.036 · Cited by 1,036
Self-citationChiba, S., Numakawa, T., Ninomiya, M., Richards, M. C., Wakabayashi, C., & Kunugi, H. (2012) · Progress in Neuro-Psychopharmacology and Biological Psychiatry · doi:10.1016/j.pnpbp.2012.05.018 · Cited by 673
Agomelatine, the first melatonergic antidepressant: discovery, characterization and development
de Bodinat, C., Guardiola-Lemaitre, B., Mocaër, E., Renard, P., Muñoz, C., & Millan, M. J. (2010) · Nature Reviews Drug Discovery · doi:10.1038/nrd3140 · Cited by 593
Iwata, M., Ota, K. T., Li, X.-Y., Sakaue, F., Li, N., Dutheil, S., Banasr, M., Duric, V., Yamanashi, T., Kaneko, K., et al. (2016) · Biological Psychiatry · doi:10.1016/j.biopsych.2015.11.026 · Cited by 387
Metadata
- Authors
- Musazzi, L., Milanese, M., Farisello, P., Zappettini, S., Tardito, D., Barbiero, V. S., Bonifacino, T., Mallei, A., Baldelli, P., Racagni, G., Raiteri, M., Benfenati, F., Bonanno, G., & Popoli, M.
- Venue
- PLoS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2010-01-05
- Volume
- 5
- Issue
- 1
- Pages
- e8566
- ISSN
- 1932-6203 (ISSN-L)
- OpenAlex
- W2007974392
- Cited by
- 289
- References
- 54
- FWCI
- 8.66
- Type
- journal article
- Language
- en
- Update notices
- correction (2010-01-15)
- Open access
- gold
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- Musazzi, L., Milanese, M., Farisello, P., Zappettini, S., Tardito, D., Barbiero, V. S., Bonifacino, T., Mallei, A., Baldelli, P., Racagni, G., Raiteri, M., Benfenati, F., Bonanno, G., & Popoli, M. (2010). Acute Stress Increases Depolarization-Evoked Glutamate Release in the Rat Prefrontal/Frontal Cortex: The Dampening Action of Antidepressants. PLoS ONE. https://doi.org/10.1371/journal.pone.0008566
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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