期刊
PARKINSONISM & RELATED DISORDERS
卷 22, 期 -, 页码 68-73出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.parkreldis.2015.11.014
关键词
Parkinson's disease; Serum miRNA
资金
- National Basic Research Program of China [2012CB517603]
- National High Technology Research and Development Program of China [2014AA020707]
- National Natural Science Foundation of China [81100835, 31170751, 81072329, 31400671, 31571458, 51173076]
- Ph.D. Programs Foundation of the Ministry of Education of China [20130091110037]
- China Postdoctoral Science Foundation [2014M551555, 2015T80536]
Background and objective: Parkinson's disease (PD) is the second most common age-related neurodegenerative disorder after Alzheimer's disease. The aim of this work was to determine whether the differences of serum miRNAs profiling could distinguish PD patients from healthy individuals. Methods: We collected serum samples from 106 sporadic PD patients and 91 age/gender-matched healthy controls. Serum miRNAs were analysed by Solexa sequencing followed by a qRT-PCR examination. The qRT-PCR assay, which was divided into two phases, was used to validate the expression of miRNAs screened by Solexa sequencing. Receiver operating characteristic (ROC) curve analysis and clustering analysis were performed to determine the diagnostic usefulness of the selected miRNAs for PD. Results: In this study, we generated a profile of 5 serum miRNAs: miR-195 was up-regulated, and miR-185, miR-15b, miR-221 and miR-181a were down-regulated. Conclusion: This group of five miRNAs can precisely distinguish PD patients from health individuals and may be used as a potential serum-based biomarker for the diagnosis of PD. (C) 2015 Elsevier Ltd. All rights reserved.
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