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CJAP ›› 2018, Vol. 34 ›› Issue (4): 304-308.doi: 10.12047/j.cjap.5643.2018.070

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Effects of miRNA-1,miRNA-21 in plasma on in-stent restenosis in patients with coronary heart disease and diabetes mellitus after percutaneous coronary intervention

GUAN Jing-jing1, ZHANG Ying2, LIU Yu-jie2   

  1. 1. The Graduate School, Tianjin Medical University, Tianjin 300070;
    2. The Forth Department of Cardiology, Tianjin Chest Hospital, Tianjin 300222, China
  • Received:2017-10-19 Revised:2018-01-12 Online:2018-07-28 Published:2019-02-21
  • Supported by:

Abstract: Objective: To observe the expression differences of the plasma miRNA-1, miRNA-21 between patients with coronary heart disease (CHD) and without coronary artery lesions, between patients with in-stent restenosis (ISR) and none in-stent restenosis (NISR), and to study their predictive value for ISR occurred after percutaneous coronary intervention (PCI) in patients with CHD and diabetes mellitus (DM). Methods: The selected subjects were divided into CHD group in which patients were implemented stenting (n=187), and control group in which patients were without coronary artery lesions (n=195). According to the guidelines, the control group was divided into normal group (n=150), simple-DM group (n=45); the CHD group was divided into simple-CHD group (n=119) and CHD-DM group (n=68), the CHD group was also divided into ISR group (n=48), NISR group (n=139), and the ISR group was divided into simple-ISR group (n=26) and ISR-DM group (n=22) again. Plasma was collected from each group, and total RNA was extracted, the level of blood miRNA-1, miRNA-21 of each group was detected, and their level differences were analyzed. Results: Compared with control group, the level of miRNA-1 and miRNA-21 of CHD group was increased (P<0.05); compared with NISR group, the level of miRNA-1 and miRNA-21 of ISR group was increased (P<0.05). The incidence of ISR of CHD-DM group was obviously higher than that of simple-CHD group, ISR-DM group's level of miRNA-21 was higher than that of simple-ISR group (P<0.05), and there was no difference of miRNA-1 level between ISR and ISR-DM group (P<0.05). In Logistics, for CHD patents, the OR of DM, miRNA-1, miRNA-21 were 2.132, 3.066, 1.924 respectively (P<0.05); for CHD patents with ISR, the OR of DM, miRNA-21 were 2.123, 3.066 respectively (P<0.05); especially for CHD and DM patents with ISR, the OR of miRNA-21 was 9.148 (P<0.05). In ROC curve, for CHD patients with ISR, the AUC of miRNA-1, miRNA-21 were 0.854, 0.857 respectively; for CHD-DM patients with ISR, the AUC of miRNA-21 was 0.783. Conclusion: To predict the occurrence of ISR for CHD patients, the plasma miRNA-1 and miRNA-21 have a relatively high specificity and sensitivity, for CHD patients with DM, miRNA-21 may have a higher clinical value.

Key words: miRNA-1, miRNA-21, coronary heart disease, in-stent restenosis, diabetes mellitus

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