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Front Biosci (Schol Ed). 2019 Jan 1;11:1-8.

Nigral injection of 6-hydroxydopamine induces changes in spatial arrangement of striatal neuron and glial cells.

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Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Institute of Neuroscience and Medicine (INM-1), Research Center Jülich, Jülich, Germany.


In Parkinson's disease, nigral dopamine neurons are lost and the structure of the striatum is progressively degraded. These events lead to a substantial neuronal loss in the striatum, changing spatial pattern of the neurons and glial cells, and associated cellular connections. Therefore, the aim of this study was to develop a new insight into whether the Parkinson's disease causes a change in the spatial arrangement of the neurons and glial cells in the striatum. Nigral injection of 6-hydroxydopamine led to a significant reduction in the total number of the neurons, an increase in the number of striatal glial cells, and disruption in the spatial arrangement of glial and neuronal cells in the Parkinson's disease-induced group, compared to the control group. The data support the idea that in Parkinson's disease, the function of the striatum is disturbed by both the loss of neurons and an increase in the number of glial cells, culminating in the disordered spatial distribution of these cells.


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