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Striatal cultured neurons single-nucleus RNA-seq dataset for "A dopamine-induced coordinated gene expression program regulates neuronal function and cocaine response"

ABSTRACT: This dataset contains single-nucleus RNA sequencing results from rat embryonic striatal neuronal cultures and serves as the basis for characterization of transcriptional response to dopamine (50µM), the Drd1 agonist SKF-38393 (1µM), and potassium chloride (25mM). The goal of this experiment was to define the transcriptional response to each of these stimulations across distinct cell types in cultured neurons. Single-cell sequencing was carried out on FACS-sorted nuclei isolated from these experiments using the 10X Genomics Chromium single cell sequencing platform.

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE137759 | GEO | 2020/06/24

REPOSITORIES: GEO

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Project description:Astrocytes and astrocyte-related proteins play important roles in maintaining normal brain function, and also regulate pathological processes in brain diseases and injury. However, the role of astrocytes in the dopamine-depleted striatum remains unclear. A rat model of Parkinson's disease was therefore established by injecting 10 ?L 6-hydroxydopamine (2.5 ?g/?L) into the right medial forebrain bundle. Immunohistochemical staining was used to detect the immunoreactivity of glial fibrillary acidic protein (GFAP), calcium-binding protein B (S100B), and signal transducer and activator of transcription 3 (STAT3) in the striatum, and to investigate the co-expression of GFAP with S100B and STAT3. Western blot assay was used to measure the protein expression of GFAP, S100B, and STAT3 in the striatum. Results demonstrated that striatal GFAP-immunoreactive cells had an astrocytic appearance under normal conditions, but that dopamine depletion induced a reactive phenotype with obvious morphological changes. The normal striatum also contained S100B and STAT3 expression. S100B-immunoreactive cells were uniform in the striatum, with round bodies and sparse, thin processes. STAT3-immunoreactive cells presented round cell bodies with sparse processes, or were darkly stained with a large cell body. Dopamine deprivation induced by 6-hydroxydopamine significantly enhanced the immunohistochemical positive reaction of S100B and STAT3. Normal striatal astrocytes expressed both S100B and STAT3. Striatal dopamine deprivation increased the number of GFAP/S100B and GFAP/STAT3 double-labeled cells, and increased the protein levels of GFAP, S100B, and STAT3. The present results suggest that morphological changes in astrocytes and changes in expression levels of astrocyte-related proteins are involved in the pathological process of striatal dopamine depletion. The study was approved by Animal Care and Use Committee of Sun Yat-sen University, China (Zhongshan Medical Ethics 2014 No. 23) on September 22, 2014.

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Striatal cultured neurons single-nucleus RNA-seq dataset for "A dopamine-induced coordinated gene expression program regulates neuronal function and cocaine response"

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