The Diagnostic Value of Circulating Mir-532-5p in Patients with Asymptomatic Carotid Artery Stenosis and Its Predictive Significance for the Occurrence of Cerebral Ischaemic Events
ARCHIVES OF MEDICAL SCIENCE(2023)
摘要
Introduction Circulating microRNAs (miRNAs) are widely identified as promising and novel biomarkers for the diagnosis of human diseases. This study investigated the clinical value of miR-532-5p for asymptomatic carotid artery stenosis (CAS) patients and detected its predictive value for the occurrence of future cerebral ischaemic events (CIE). Material and methods Serum expression of miR-532-5p was measured using qRT-PCR. A receiver operating characteristic (ROC) analysis was performed to evaluate the diagnostic value of miR-532-5p in asymptomatic CAS patients, and the area under the curve (AUC) was calculated. The predictive value of miR-532-5p for the occurrence of CIE was evaluated by using Kaplan-Meier methods and Cox regression analysis. Results Serum expression of miR-532-5p was identified to be significantly decreased in CAS patients compared with healthy controls. The ROC curve with an AUC of 0.903 indicated high diagnostic accuracy of serum miR-532-5p expression in asymptomatic CAS patients. As Kaplan-Meier analysis results suggested, more CIE events were observed in cases with low miR-532-5p expression. Low miR-532-5p and high degree of carotid stenosis were independent factors for the occurrence of CIE in asymptomatic CAS patients. Conclusions The study suggests the potential clinical value of miR-532-5p for the early diagnosis of asymptomatic CAS patients. MiR-532-5p might have predictive value for the risk of future CIE in asymptomatic CAS patients.
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关键词
mir-532-5p,asymptomatic carotid artery stenosis,cerebral ischaemic events,clinical value
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