[HTML][HTML] Plasma microRNAs as potential noninvasive biomarkers for in-stent restenosis

M He, Y Gong, J Shi, Z Pan, H Zou, D Sun, X Tu, X Tan… - PloS one, 2014 - journals.plos.org
M He, Y Gong, J Shi, Z Pan, H Zou, D Sun, X Tu, X Tan, J Li, W Li, B Liu, J Xue, L Sheng…
PloS one, 2014journals.plos.org
Objective To investigate whether microRNAs (miRs) can serve as novel biomarkers for in-
stent restenosis (ISR). Methods This retrospective, observational single-centre study was
conducted at the cardiovascular department of a tertiary hospital centre in the north of China.
Follow-up coronary angiography at 6 to 12 months was performed in 181 consecutive
patients implanted with drug-eluting stents. Fifty-two healthy volunteers served as the control
group. The plasma miRs levels were analyzed by quantitative real-time PCR. Receiver …
Objective
To investigate whether microRNAs (miRs) can serve as novel biomarkers for in-stent restenosis (ISR).
Methods
This retrospective, observational single-centre study was conducted at the cardiovascular department of a tertiary hospital centre in the north of China. Follow-up coronary angiography at 6 to 12 months was performed in 181 consecutive patients implanted with drug-eluting stents. Fifty-two healthy volunteers served as the control group. The plasma miRs levels were analyzed by quantitative real-time PCR. Receiver-operating characteristic curve (ROC) analysis was performed to investigate the characters of these miRs as potential biomarkers of ISR.
Results
MiR-21 levels in ISR patients were significantly higher than those in non-ISR patients and healthy controls (P<0.05), while miR-100 (P<0.05), miR-143 (P<0.001) and miR-145 (P<0.0001) levels were significantly decreased in ISR patients. Further analysis showed that miR-21 levels were remarkably increased (P = 0.045), while miR-100 (P = 0.041), miR-143 (P = 0.029) and miR-145 (P<0.01) levels were dramatically decreased in patients with diffuse ISR compared to those with focal ISR. ROC analysis demonstrated that the area under curve of miR-145, miR-143, miR-100 and miR-21 were 0.880 (95% confidence interval; CI = 0.791–0.987, P<0.001), 0.818 (95% confidence interval; CI = 0.755–0.963, P<0.001), 0.608 (95% confidence interval; CI = 0.372–0.757, P<0.05) and 0.568 (95% confidence interval; CI = 0.372–0.757, P<0.05), with specificity of 83.1%, 80.1%, 68.9% and 68.6%, and sensitivity of 88.7%, 82.1%, 60.2% and 50.1%, respectively.
Conclusions
Circulating miR-143 and miR-145 levels are associated with the occurrence of ISR and can serve as novel noninvasive biomarkers for ISR.
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