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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhang, L. Guo, X. Q. Yan, Z. R. Li, Y. Z. Chu, J. F. Zhang, X. |
| Description | Country affiliation: China Author Affiliation: Zhang L ( Department of Neurology, Shandong Ji'ning No. 1 People' Hospital, Ji'ning, China.); Guo XQ ( Department of Neurology, Shandong Ji'ning No. 1 People' Hospital, Ji'ning, China.); Chu JF ( Department of Neurology, Shandong Ji'ning No. 1 People' Hospital, Ji'ning, China.); Zhang X ( Department of Neurology, Shandong Ji'ning No. 1 People' Hospital, Ji'ning, China.); Yan ZR ( Department of Neurology, Shandong Ji'ning No. 1 People' Hospital, Ji'ning, China.); Li YZ ( Department of Neurology, Shandong Ji'ning No. 1 People' Hospital, Ji'ning, China yuzhi_li@yeah.net.) |
| Abstract | Alzheimer's disease (AD) is a neurodegenerative disor-der and the most common cause of dementia in elderly people. Nu-merous studies have focused on the dysregulated genes in AD, but the pathogenesis is still unknown. In this study, we explored critical hippocampal genes and pathways that might potentially be involved in the pathogenesis of AD. Four transcriptome datasets for the hip-pocampus of patients with AD were downloaded from ArrayExpress, and the gene signature was identified by integrated analysis of mul-tiple transcriptomes using novel genome-wide relative significance and genome-wide global significance models. A protein-protein interaction network was constructed, and five clusters were selected. The biologi-cal functions and pathways were identified by Gene Ontology and Kyo-to Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis. A total of 6994 genes were screened, and the top 300 genes were subjected to further analysis. Four significant KEGG pathways were identified, including oxidative phosphorylation and Parkinson's disease, Huntington's disease, and Alzheimer's disease pathways. The hub network of cluster 1 with the highest average rank value was de-fined. The genes (NDUFB3, NDUFA9, NDUFV1, NDUFV2, NDUFS3, NDUFA10, COX7B, and UQCR1) were considered critical with high degree in cluster 1 as well as being shared by the four significant path-ways. The oxidative phosphorylation process was also involved in the other three pathways and is considered to be relevant to energy-related AD pathology in the hippocampus. This research provides a perspec-tive from which to explore critical genes and pathways for potential AD therapies. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 2 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-06-29 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Alzheimer Disease Genetics Gene Regulatory Networks Hippocampus Metabolism Nerve Tissue Proteins Transcriptome Pathology Case-control Studies Computational Biology Gene Expression Regulation Molecular Sequence Annotation Oxidative Phosphorylation Protein Interaction Mapping Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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