Evidence map›Paper›PMID 17662258›Full record

ArticleBiological psychiatry2007

Spatiotemporal pattern of striatal ERK1/2 phosphorylation in a rat model of L-DOPA-induced dyskinesia and the role of dopamine D1 receptors.

Jenny E Westin, Linda Vercammen, Elissa M Strome, Christine Konradi, M Angela Cenci

Abstract read
In one paragraph

Article in Biological psychiatry, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 115 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
115citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

115 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. The Signaling and Pharmacology of the Dopamine D1 Receptor.Frontiers in cellular neuroscience · 2021
    Pooled it
  2. Trial
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  9. Differential Activation States of Direct Pathway Striatal Output Neurons during l-DOPA-Induced Dyskinesia Development.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024
    Article
  10. Article
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  13. Dopamine Agonist Cotreatment Alters Neuroplasticity and Pharmacology of Levodopa-Induced Dyskinesia.Movement disorders : official journal of the Movement Disorder Society · 2023
    Article
  14. Dopamine, Immunity, and Disease.Pharmacological reviews · 2023
    Review
  15. Article
  16. Review
  17. Article
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  20. Article

55 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Jenny E WestinBasal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, Sweden.
Linda Vercammen
Elissa M Strome
Christine Konradi
M Angela Cenci

Funding

Levodopa dyskinesia and striatal neuroplasticityR01NS048235 · NINDS · VANDERBILT UNIVERSITY · PI KONRADI, CHRISTINE L · 2004 to 2007
$1.3M
NINDS NIH HHS NS048235NINDS NIH HHS R01 NS048235
6 · The paper itself

Abstract

backgroundWe examined the activation pattern of extracellular signal-regulated kinase 1 and 2 (ERK1/2) and its dependence on D1 versus D2 dopamine receptors in hemiparkinsonian rats treated with 3,4-dihydroxyphenyl-L-alanine (L-DOPA).

methods6-Hydroxydopamine-lesioned rats were treated acutely or chronically with L-DOPA in combination with antagonists for D1 or D2 receptors. Development of dyskinesia was monitored in animals receiving chronic drug treatment. Phosphorylation of ERK1/2, mitogen- and stress-activated protein kinase-1 (MSK-1), and the levels of FosB/DeltaFosB expression were examined immunohistochemically.

resultsL-DOPA treatment caused phosphorylation of ERK1/2 in the dopamine-denervated striatum after acute and chronic administration. Similar levels were observed in matrix and striosomes, and in enkephalin-positive and dynorphin-positive neurons. The severity of dyskinesia was positively correlated with phospho-ERK1/2 levels. Phosphorylation of ERK1/2 and MSK-1 was dose-dependently blocked by SCH23390, but not by raclopride. SCH23390 also inhibited the development of dyskinesia and the induction of FosB/DeltaFosB.

conclusionsL-DOPA produces pronounced activation of ERK1/2 signaling in the dopamine-denervated striatum through a D1-receptor-dependent mechanism. This effect is associated with the development of dyskinesia. Phosphorylated ERK1/2 is localized to both dynorphinergic and enkephalinergic striatal neurons, suggesting a general role of ERK1/2 as a plasticity molecule during L-DOPA treatment.

Indexed as

Dopamine AgentsLevodopaAnimalsBenzazepinesCell CountDenervationDopamine AntagonistsDynorphinsDyskinesia, Drug-InducedEnkephalinsEnzyme ActivationFemaleFluorescent Antibody TechniqueImmunohistochemistryIn Situ HybridizationMitogen-Activated Protein Kinase 1BenzazepinesDopamine AgentsDopamine AntagonistsDynorphinsEnkephalinsLevodopaMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Receptors, Dopamine D1Receptors, Dopamine D2

Identifiers

PMID17662258
PMCPMC4205578

What OpenQuestion holds

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Registered trials

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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.