Journal
BMC CARDIOVASCULAR DISORDERS
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12872-021-01893-y
Keywords
Biomarker; Circulating level; In-stent restenosis; miRNA
Categories
Funding
- Taipei Medical University Hospital [104TMUTMU-H-17]
- China Medical University [CMU97-079]
- Ministry of Science and Technology of Taiwan [MOST 105-2320-B-038-042, MOST 107-2320-B-038-028, MOST 108-2320-B-038-040-MY3]
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The study revealed that the circulating level of miR-142-5p has the potential application as a clinical biomarker for predicting the development of ISR in stent-implanted patients. The ROC curve analysis demonstrated superior discriminatory ability of miR-142-5p in predicting patients' restenotic status. Circulating levels of miR-15b, miR-24-2, and miR-424 had differential expressions in participants with diabetes, hyperlipidemia, and hypertension.
BackgroundPatients who receive percutaneous coronary intervention (PCI) have different chances of developing in-stent restenosis (ISR). To date, no predictable biomarker can be applied in the clinic. MicroRNAs (miRNAs or miRs) play critical roles in transcription regulation, and their circulating levels were reported to have potential as clinical biomarkers.MethodsIn total, 93 coronary stent-implanted patients without pregnancy, liver or renal dysfunction, malignancy, hemophilia, or autoimmune diseases were recruited in this clinical study. All recruited participants were divided into an ISR group (n=45) and a non-ISR group (n=48) based on their restenotic status as confirmed by cardiologists at the first follow-up visit (6 months after surgery). Blood samples of all participants were harvested to measure circulating levels of miRNA candidates (miR-132, miR-142-5p, miR-15b, miR-24-2, and miR-424) to evaluate whether these circulating miRNAs can be applied as predictive biomarkers of ISR.ResultsOur data indicated that circulating levels of miR-142-5p were significantly higher in the ISR population, and results from the receiver operating characteristic (ROC) curve analysis also demonstrated superior discriminatory ability of miR-142-5p in predicting patients' restenotic status. In addition, circulating levels of miR-15b, miR-24-2, and miR-424 had differential expressions in participants with diabetes, hyperlipidemia, and hypertension, respectively.ConclusionsThe current study revealed that the circulating level of miR-142-5p has potential application as a clinical biomarker for predicting the development of ISR in stent-implanted patients.
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