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Transcriptional analysis of multiple brain regions in Parkinson's disease

ABSTRACT: Transcriptional analysis of multiple brain regions in Parkinson's disease supports the involvement of specific protein processing, energy metabolism, and signaling pathways, and suggests novel disease mechanisms. This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE20295 | GEO | 2010/03/12

SECONDARY ACCESSION(S): PRJNA125325

REPOSITORIES: GEO

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Transcriptional analysis of multiple brain regions in Parkinson's disease

Project description:Transcriptional analysis of multiple brain regions in Parkinson's disease supports the involvement of specific protein processing, energy metabolism, and signaling pathways, and suggests novel disease mechanisms. This SuperSeries is composed of the following subset Series: GSE20168: Transcriptional analysis of prefrontal area 9 in Parkinson's disease GSE20291: Transcriptional analysis of putamen in Parkinson's disease GSE20292: Transcriptional analysis of whole substantia nigra in Parkinson's disease Refer to individual Series

2010-03-23 | E-GEOD-20295 | biostudies-arrayexpress

System-based analyses of brain regions functionally impacted in Parkinson's disease reveals underlying causal mechanisms

Project description:Detailed analysis of disease-affected tissue provides insight into molecular mechanisms contributing to pathogenesis. Substantia nigra, striatum and cortex are functionally connected with increasing degrees of alpha-synuclein pathology in Parkinson's disease. Functional and causal pathway analysis of gene expression and proteomic alterations in these three regions revealed pathways that correlated with deposition of alpha-synuclein. Microarray and RNAseq experiments revealed previously unidentified causal changes related to oligodendrocyte function and synaptic vesicle release and other changes were reflected across all brain regions. Importantly a subset of these changes were replicated in Parkinson's disease blood. Proteomic assessment revealed alterations in mitochondria and vesicular transport proteins that preceded gene gene expression changes indicating defects in translation and/or protein turnover. Our combined approach of proteomics, RNAseq and microarray analyses provides a comprehensive view of the molecular changes that accompany alpha-synculein pathology in Parkinson's disease, and may be instrumental in understanding and diagnosing Parkinson's disease progression. Substantia Nigra (3 normal, 3 PD), Striatum (6 normal, 6 PD), Cortex (5 normal, 5 PD), Cortex non-PD neurodegeneration (2 normal, 3 DLB). Note Sample X201264 was used both for Cortex normal and for Cortex nonPD normal

2014-09-01 | E-GEOD-54282 | biostudies-arrayexpress

Systems-based analyses of brain regions functionally impacted in Parkinson's disease reveals underlying causal mechanisms

2014-09-01 | GSE54282 | GEO

Brain transcriptomic analysis in Parkinson's disease patients stratified by Braak Lewy body stage / Sex differences in Parkinson's disease brain transcriptome

Project description:To investigate transcriptomic changes associated with Parkinson's disease development we compared frontal cortex gene expression across four Braak Lewy body stage groups. Additionally we investigated sex-specific gene expression differences in neuropathologically healthy donors and Parkinson's disease patients at Braak Lewy body stage 5. We investigated sex-specific gene expression differences in neuropathologically healthy donors and Parkinson's disease patients at Braak Lewy body stage 5.

2022-10-28 | GSE216281 | GEO

Exploring transcriptome-wide changes in the brain-localized immune cells in a mouse model of Parkinson's Disease

Project description:In this study we identify the gene expression changes that occur in the brain-localized immune cells in a mouse model of Parkinson's Disease. A mouse model of Parkinson's Disease was created as previously described by stereotacticaly injecting an AAV-expressing the human A53T_mutated form of a-Synuclein into the Substantia Nigra of adult mice, while control mice were injected with empty vector (EV). These mice exhibit neurodegeneration in the Substantia Nigra and Parkinson-like behaviour phenotypes. Sixteen weeks after the injection, the Substantia Nigra and Srtiatum were micro-dissected and a Percoll gradient was used to enrich for the immune cells present in these tissues. The immune cells were also isolated from the Substantia Nigra and Striatum of same-age WT uninjected mice (WT). RNA was isolated from these cells and single-end 75nt high throughput sequencing were performed on libraries prepared from the RNA. We identified over 400 genes that were differentially expressed between control and Parkinson's mice with a log2 fold-change > |0.75|. These genes were enriched for terms related to immune activation such as: cytokine processing, leukocyte activation, and antigen presentation. The genes associated with these GO terms tended to be up-regulated in the Parkinson's mice suggesting that brain-localized immune cells are more activated in Parkinson's disease.

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RNA-Seq of mouse E12.5 brain regions

Project description:Investigations into the roles for Pbx1 and its transcriptional network in dopaminergic neuron development and Parkinson's Disease

2016-07-22 | GSE82099 | GEO

Expression data of substantia nigra from postmortem human brain of Parkinson's disease patients (PD)

Project description:We used microarrays to detail the global program of gene expression underlying Parkinson's disease Keywords: normal versus diseased

2007-06-14 | GSE7621 | GEO

RNA-Seq of mouse E12.5 brain regions

Project description:Investigations into the roles for Pbx1 and its transcriptional network in dopaminergic neuron development and Parkinson's Disease Three samples each from dorsal midbrain, forebrain, hindbrain, Alar plate, and ventral midbrain

2016-07-22 | E-GEOD-82099 | biostudies-arrayexpress

Epigenome analysis of Parkinson's disease and control samples from the Systema Genomics Parkinson's disease (SGPD) consortium

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Multiplex three dimensional brain gene expression mapping in a mouse model of Parkinson's disease

Project description:Voxelation is a novel technology designed to produce high throughput, three-dimensional imaging of gene expression patterns in the brain. In these experiments, mouse brains were dissected into 40 voxels, or cubes, by cutting 10 serial coronal sections and transecting each coronal section into fourths. Using microarrays, the gene expression pattern of 9000 genes was acquired for both a normal and a pharmacological model of Parkinson's disease (PD) mouse brain. The mice used in these experiments were C57BL/6J males 10-24 weeks in age. Keywords = voxelation, 3-D gene expression, Parkinson's disease Keywords: other

2002-03-29 | GSE30 | GEO

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