ArticlePloS one2018
Selective ablation of striatal striosomes produces the deregulation of dopamine nigrostriatal pathway.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 10 citations in OpenAlex.
- Dopamine DCells · 2021Article
- Interfacing behavioral and neural circuit models for habit formation.Journal of neuroscience research · 2020Review
- Lesion of striatal patches disrupts habitual behaviors and increases behavioral variability.PloS one · 2020Article
- Adenosine heteroreceptor complexes in the basal ganglia are implicated in Parkinson's disease and its treatment.Journal of neural transmission (Vienna, Austria : 1996) · 2019Review
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4 authors at 1 institution in 1 country.
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Abstract
The striatum is a complex structure in which the organization in two compartments (striosomes and matrix) have been defined by their neurochemical profile and their input-output connections. The striosomes receive afferences from the limbic brain areas and send projections to the dopamine neurons of the substantia nigra pars compacta. Thereby, it has been suggested that the striosomes exert a limbic control over the motor function mediated by the surrounding matrix. However, the functionality of the striosomes are not completely understood. To elucidate the role of the striosomes on the regulation of the nigral dopamine neurons, we have induced specific ablation of this compartment by striatal injections of the neurotoxin dermorphin-saporin (DS) and dopamine neurotransmission markers have been analyzed by immunohistochemistry. The degeneration of the striosomes resulted in a nigrostriatal projections imbalance between the two striatal compartments, with an increase of the dopamine neurotransmission in the striosomes and a decrease in the matrix. The present results highlight the key function of the striosomes for the maintenance of the striatal dopamine tone and would contribute to the understanding of their involvement in some neurological disorders such as Huntington's disease.
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