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Clin Exp Hypertens. 2018 Oct 11:1-7. doi: 10.1080/10641963.2018.1529774. [Epub ahead of print]

Predictive value of long noncoding RNA ZFAS1 in patients with ischemic stroke.

Author information

1
a Central laboratory , Dongguan People's Hospital , Dongguan , China.
2
b Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics , Guangdong Medical University , Dongguan , China.
3
c Department of Clinical Laboratory & Center for gene diagnosis , Zhongnan Hospital of Wuhan University , Wuhan , China.
4
d Department of Clinical Laboratory School of Laboratory of Medical , Guangdong Medical University , Dongguan , China.
5
e Learning department , Hubei Provincial Shuiguohu High School , Wuhan , China.

Abstract

BACKGROUND:

LncRNAs play an essential role in a variety of diseases. Zinc finger antisense 1 (ZFAS1), a newly identified lncRNA, is a transcript antisense to the 5' end of the gene Znfx1. The purpose of this study was to aim to compare the levels of ZFAS1 between ischemic stroke (IS) and healthy control subjects and explore its potential role as a noninvasive biomarker in the diagnosis of IS.

METHODS:

 A total of 176 patients and 111 healthy controls were included in the study. RT-qPCR was performed to detect the expression of ZFAS1.

RESULTS:

The results showed that level of ZFAS1 in IS patients was significantly lower than controls (P = 0.0002). Furthermore, we found that the ZFAS1 levels in large-artery atherosclerosis (LAA) strokes were significantly downregulated than those in non-LAA strokes and controls. Meanwhile, ZFAS1 levels in the small vessel occlusion (SVO) group were lower than those in cardioembolism (CE) (P = 0.0197) and controls (P = 0.0041). Multinomial logistic regression analyses showed that the expression of ZFAS1 was not associated with the CE (P = 0.185) and SVO (P = 0.268) stroke groups, while lower ZFAS1 levels (P < 0.003, adjusted OR = 0.218, 95% CI: 0.079-0.597) showed significant associations with increased probability of having LAA strokes, compared to control subjects. The receiver operating characteristic curve analyses indicated that the sensitive of ZFAS1 was 89.39% in differentiating LAA strokes from controls.

CONCLUSION:

These results suggest that ZFAS1 might be used as a potential noninvasive biomarker for the diagnosis of LAA stroke.

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