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Identification of aberrant circulating miRNAs in Parkinson's disease plasma samples.


ABSTRACT: Objective:To detect the aberrant expression of circulating miRNAs and explore the potential early diagnostic biomarkers in patients with Parkinson's disease (PD). Methods:Plasma samples were collected from 25 treatment-naïve PD-diagnosed patients and 25 healthy controls followed by a real-time PCR-based miRNA screening analysis of neuron disease-related miRNAs. Results:A subset of miRNAs with aberrant expression levels in the plasma of PD-diagnosed patients were identified including upregulation of miR-27a and downregulation of let-7a, let-7f, miR-142-3p, and miR-222 with the AUC values more than 0.8 derived from the receiver operating characteristic curves. Conclusions:The high sensitivity and specificity of the circulating miRNAs may enable early diagnosis of PD. The study provides a group of novel miRNA candidates for detecting PD.

SUBMITTER: Chen L 

PROVIDER: S-EPMC5893342 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Identification of aberrant circulating miRNAs in Parkinson's disease plasma samples.

Chen Lei L   Yang Junxiu J   Lü Jinhui J   Cao Shanshan S   Zhao Qian Q   Yu Zuoren Z  

Brain and behavior 20180219 4


<h4>Objective</h4>To detect the aberrant expression of circulating miRNAs and explore the potential early diagnostic biomarkers in patients with Parkinson's disease (PD).<h4>Methods</h4>Plasma samples were collected from 25 treatment-naïve PD-diagnosed patients and 25 healthy controls followed by a real-time PCR-based miRNA screening analysis of neuron disease-related miRNAs.<h4>Results</h4>A subset of miRNAs with aberrant expression levels in the plasma of PD-diagnosed patients were identified  ...[more]

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