Related Experiment Video
Updated: Aug 3, 2026
10:09
Development of a Unilaterally-lesioned 6-OHDA Mouse Model of Parkinson's Disease
Published on: February 14, 2012
A complex program of striatal gene expression induced by dopaminergic stimulation
J D Berke1, R F Paletzki, G J Aronson
1Molecular Plasticity Section, National Institute of Neurological Disorders and Stroke, Bethesda, Maryland 20892, USA.
Summary
Researchers identified over 30 genes rapidly upregulated in the striatum upon dopamine D1 receptor stimulation, revealing new insights into dopamine
Area of Science:
- Neuroscience
- Molecular Biology
- Genetics
Background:
- Dopamine in the striatum is crucial for movement and motivation.
- Dopaminergic drug effects involve gene expression changes in the striatum.
Purpose of the Study:
- Identify genes rapidly induced by striatal dopamine D1 receptor stimulation.
- Characterize the genetic program underlying dopaminergic manipulation responses.
Main Methods:
- Utilized the 6-hydroxydopamine (6-OHDA) rat model for Parkinson's disease.
- Employed differential display polymerase chain reaction (DD-PCR) to detect gene expression changes.
Main Results:
- Discovered over 30 genes with rapid, varied induction kinetics upon D1 receptor activation.
- Identified novel and known genes, including CREM, CHOP, and MAP kinase phosphatase-1.
- Observed similar gene induction by cocaine and eticlopride in distinct striatal cells.
Conclusions:
- Uncovered novel components of a coordinated striatal gene expression program.
- These findings shed light on cellular and synaptic plasticity in response to dopaminergic changes.
- Demonstrated specificity of gene induction in striatal cells versus cortex.
