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- Title
Plasma long non-coding RNA BACE1 as a novel biomarker for diagnosis of Alzheimer disease.
- Authors
Feng, Liang; Liao, Yu-Ting; He, Jin-Cai; Xie, Cheng-Long; Chen, Si-Yan; Fan, Hui-Hui; Su, Zhi-Peng; Wang, Zhen
- Abstract
<bold>Backgrounds: </bold>Long non-coding RNA (LncRNA) have been reported to be involved in the pathogenesis of neurodegenerative diseases, but whether it can serve as a biomarker for Alzheimer disease (AD) is not yet known.<bold>Methods: </bold>The present study selected four specific LncRNA (17A, 51A, BACE1 and BC200) as possible AD biomarker. RT-qPCR was performed to validate the LncRNA. Receiver operating characteristic curve (ROC) and area under the ROC curve (AUC) were applied to study the potential of LncRNA as a biomarker in a population of 88 AD patients and 72 control individuals.<bold>Results: </bold>We found that the plasma LncRNA BACE1 level of AD patients was significantly higher than that of healthy controls (p = 0.006). Plasma level of LncRNA 17A, 51A and BC200 did not show a significant difference between two groups (p = 0.098, p = 0.204 and p = 0.232, respectively). ROC curve analysis showed that LncRNA BACE1 was the best candidate of these LncRNA (95% CI: 0.553-0.781, p = 0.003). In addition, no correlation was found for expression of these LncRNA in both control and AD groups with age or MMSE scale (p > 0.05).<bold>Conclusions: </bold>Our present study compared the plasma level of four LncRNA between AD and non-AD patients, and found that the level of the BACE1 is increased in the plasma of AD patients and have a high specificity (88%) for AD, indicating BACE1 may be a potential candidate biomarker to predict AD.
- Subjects
RNA; BIOLOGICAL tags; RECEIVER operating characteristic curves; ALZHEIMER'S disease; PUBLIC health; PROTEOLYTIC enzymes; RESEARCH funding; CASE-control method
- Publication
BMC Neurology, 2018, Vol 18, p1
- ISSN
1471-2377
- Publication type
journal article
- DOI
10.1186/s12883-017-1008-x