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Alzheimer’s disease and progressive supranuclear palsy share similar transcriptomic changes in distinct brain regions
The Journal of Clinical Investigation ( IF 15.9 ) Pub Date : 2021 , DOI: 10.1172/jci149904 Xue Wang 1 , Mariet Allen 2 , Özkan İş 2 , Joseph S Reddy 1 , Frederick Q Tutor-New 2 , Monica Castanedes Casey 2 , Minerva M Carrasquillo 2 , Stephanie R Oatman 2 , Yuhao Min 2 , Yan W Asmann 1 , Cory Funk 3 , Thuy Nguyen 2 , Charlotte Cg Ho 2 , Kimberly G Malphrus 2 , Nicholas T Seyfried 4 , Allan I Levey 5 , Steven G Younkin 2 , Melissa E Murray 2 , Dennis W Dickson 2 , Nathan D Price 3 , Todd E Golde 6 , Nilüfer Ertekin-Taner 2, 7
The Journal of Clinical Investigation ( IF 15.9 ) Pub Date : 2021 , DOI: 10.1172/jci149904 Xue Wang 1 , Mariet Allen 2 , Özkan İş 2 , Joseph S Reddy 1 , Frederick Q Tutor-New 2 , Monica Castanedes Casey 2 , Minerva M Carrasquillo 2 , Stephanie R Oatman 2 , Yuhao Min 2 , Yan W Asmann 1 , Cory Funk 3 , Thuy Nguyen 2 , Charlotte Cg Ho 2 , Kimberly G Malphrus 2 , Nicholas T Seyfried 4 , Allan I Levey 5 , Steven G Younkin 2 , Melissa E Murray 2 , Dennis W Dickson 2 , Nathan D Price 3 , Todd E Golde 6 , Nilüfer Ertekin-Taner 2, 7
Affiliation
Vast numbers of differentially expressed genes and perturbed networks have been identified in Alzheimer’s disease (AD), however, neither disease nor brain region specificity of these transcriptome alterations has been explored. Using RNA-Seq data from 231 temporal cortex and 224 cerebellum samples from patients with AD and progressive supranuclear palsy (PSP), a tauopathy, we identified a striking correlation in the directionality and magnitude of gene expression changes between these 2 neurodegenerative proteinopathies. Further, the transcriptomic changes in AD and PSP brains ware highly conserved between the temporal and cerebellar cortices, indicating that highly similar transcriptional changes occur in pathologically affected and grossly less affected, albeit functionally connected, areas of the brain. Shared up- or downregulated genes in AD and PSP are enriched in biological pathways. Many of these genes also have concordant protein changes and evidence of epigenetic control. These conserved transcriptomic alterations of 2 distinct proteinopathies in brain regions with and without significant gross neuropathology have broad implications. AD and other neurodegenerative diseases are likely characterized by common disease or compensatory pathways with widespread perturbations in the whole brain. These findings can be leveraged to develop multifaceted therapies and biomarkers that address these common, complex, and ubiquitous molecular alterations in neurodegenerative diseases.
更新日期：2022-01-19
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