Cited by 102Cancer-related molecular mechanisms researchAlzheimer's disease research and treatmentsDementia and Cognitive Impairment Research

Identification of Alzheimer's disease–associated long noncoding RNAs

Zhou, Xiaolin, Xu, Jie·2015·Neurobiology of Aging

Abstract

Alzheimer's disease (AD) is the most common dementia among the elderly that involves complex neurodegenerative alterations. Multiple cellular processes including regulation of amyloid-β peptide, tau, inflammation, and cell death have been suggested to associate with AD, but it remains largely unknown if long noncoding RNAs (lncRNAs) may be playing a role in AD pathogenesis. Here, we identify AD-associated lncRNAs by reannotation of microarray data based on postmortem tissue samples of AD patients and matched elderly controls. We found 24 upregulated and 84 downregulated lncRNAs in AD patients compared with controls, most being intergenic. An analysis of lncRNAs in various tissues indicated that most downregulated lncRNAs in AD are highly expressed in the brain but not in other tissues. Gene set enrichment analysis identified a downregulated lncRNA n341006 in association with protein ubiquitination pathway, and a significantly upregulated lncRNA n336934 linked to cholesterol homeostasis. Interestingly, lncRNA expression signatures could predict tissue types with equal accuracy as protein-coding genes, but the number of lncRNAs required for optimal prediction was less than protein-coding genes. Taken together, our study provides a resource for AD-associated lncRNAs for the development of lncRNA biomarkers and the identification of functional lncRNAs involved in AD pathogenesis.

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Crossref · 10.1016/j.neurobiolaging.2015.07.015

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Authors
Zhou, X., & Xu, J.
Affiliations
Shanghai Jiao Tong University (CN)
Corresponding author
  • Zhou, Xiaolin
  • Xu, Jie
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2015-11
Volume
36
Issue
11
Pages
2925-2931
ISSN
0197-4580 (ISSN-L)
OpenAlex
W1854922036
Cited by
102
References
56
Citations by year
2025: 4 · 2024: 5 · 2023: 4 · 2022: 9 · 2021: 14 · 2020: 17 · 2019: 11 · 2018: 22 · 2017: 6 · 2016: 10
FWCI
4.19
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (81200976, 81272383, 81322036)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, long non-coding RNA, lncRNA expression profiling, postmortem brain, lncRNA biomarkers, ubiquitination, cholesterol homeostasis, intergenic lncRNAs, amyloid-beta, tau protein, neurodegeneration
MeSH terms
Alzheimer Disease, Brain, Cholesterol, Homeostasis, Humans, Proteins, Down-Regulation, Up-Regulation, Gene Expression, RNA, Untranslated, Microarray Analysis, Ubiquitination, Genetic Association Studies

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