中国医科大学学报  2026, Vol. 55 Issue (3): 234-239

文章信息

贾圣英, 王力, 孙志军, 王传合, 关琳, 田雪, 张胜波, 徐红梅, 蒋丽, 赵福禄, 陈转霞, 石晨
JIA Shengying, WANG Li, SUN Zhijun, WANG Chuanhe, GUAN Lin, TIAN Xue, ZHANG Shengbo, XU Hongmei, JIANG Li, ZHAO Fulu, CHEN Zhuanxia, SHI Chen
外周血Hsa-circRNA0001380水平对急性前壁ST段抬高型心肌梗死后心力衰竭的预测价值
Diagnostic value of peripheral blood Hsa-circRNA0001380 level in heart failure after acute anterior wall ST-segment elevation myocardial infarction
中国医科大学学报, 2026, 55(3): 234-239
Journal of China Medical University, 2026, 55(3): 234-239

文章历史

收稿日期:2025-10-27
网络出版时间:2026-03-24 15:13:48
外周血Hsa-circRNA0001380水平对急性前壁ST段抬高型心肌梗死后心力衰竭的预测价值
1. 大连理工大学附属中心医院(大连市中心医院) 心血管内科, 辽宁 大连 116033;
2. 中国医科大学附属盛京医院心血管内科, 沈阳 110004
摘要目的 探讨Hsa-circRNA0001380对急性前壁ST段抬高型心肌梗死(STEMI)行急诊经皮冠状动脉介入治疗(PCI)术后发生心力衰竭的临床预测价值。方法 选择2022年1月至12月间于大连市中心医院就诊并成功行急诊PCI术的急性前壁STEMI患者62例(研究组),同时选取年龄、性别匹配的健康志愿者22例(对照组)。检测2组血清中Hsa-circRNA0001380的表达水平,比较其在不同等级心功能急性前壁STEMI中的差异表达,并探讨其与心功能指标的相关性。通过受试者操作特征(ROC)曲线评估Hsa-circRNA0001380对急性前壁STEMI后心力衰竭的预测价值。结果 与对照组相比,研究组Hsa-circRNA0001380表达显著上调(P < 0.01),并与Killip分级和左室射血分数(LVEF)显著相关(P < 0.01)。按Hsa-circRNA0001380中位数(0.012 7)将研究组分为高表达组(n = 31)和低表达组(n = 31),高表达组血清N末端脑钠肽前体(NT-proBNP)水平明显高于低表达组(P = 0.002),LVEF水平明显低于低水平组(P < 0.01)。Hsa-circRNA0001380与左心室舒张末期容积(r = 0.594)、NT-proBNP(r = 0.644,P < 0.01)呈正相关,与LVEF呈负相关(r =-0.838,P < 0.01)。Hsa-circRNA0001380对急性前壁STEMI患者的心力衰竭状态具有预测价值(曲线下面积0.953)。结论 急性前壁STEMI患者(尤其是合并心力衰竭者)外周血Hsa-circRNA0001380的表达水平显著上调,Hsa-circRNA0001380有望成为预测急性前壁STEMI后心力衰竭进展的新型分子标志物。
Diagnostic value of peripheral blood Hsa-circRNA0001380 level in heart failure after acute anterior wall ST-segment elevation myocardial infarction
1. Department of Cardiology, Central Hospital of Dalian University of Technology, Dalian Municipal Central Hospital, Dalian 116033, China;
2. Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang 110004, China
Abstract: Objective To explore the predictive value of Hsa-circRNA0001380 for heart failure after emergency percutaneous coronary intervention (PCI) in patients with acute anterior wall ST-segment elevation myocardial infarction (STEMI). Methods Sixty-two patients with acute anterior wall STEMI who underwent emergency PCI at the Dalian University of Technology Affiliated Central Hospital between January and December 2022 were enrolled. Twenty-two healthy volunteers served as controls. In the STEMI group, Hsa-circRNA0001380 levels were compared across the different cardiac function indicators. Receiver operating characteristic (ROC) curves were used to eva-luate the predictive value of heart failure after acute anterior wall STEMI. Results Hsa-circRNA0001380 expression was significantly increased in patients with STEMI than in controls (P < 0.01) and correlated with Killip classification and left ventricular ejection fraction (LVEF) (both P < 0.01). Patients were divided into the high-level group (≥0.012 7, n = 31) and low-level group (< 0.012 7, n = 31) according to the median value of Hsa-circRNA0001380. Hsa-circRNA0001380 was positively correlated with left ventricular end-diastolic volume (r = 0.594) and NT-proBNP (r = 0.644) but negatively correlated with LVEF (r =-0.838) (all P < 0.01). The area under the ROC curve for predicting heart failure was 0.953. Conclusion Peripheral blood Hsa-circRNA0001380 is significantly upregulated in acute anterior wall STEMI, especially in patients with heart failure, and may be a novel molecular marker for predicting the progression of heart failure after acute anterior wall STEMI.

急性心肌梗死(acute myocardial infarction,AMI)是全球意外死亡的主要原因。急性前壁ST段抬高型心肌梗死(ST-segment elevation myocardial infarction,STEMI)的病死率及并发症的发生率居高不下[1]。前壁STEMI比其他部位AMI更容易诱发左心室收缩功能障碍[2]。环状RNA(circular RNA,circRNA)是一种非编码RNA,广泛参与各种生理及病理过程[3-6]。研究[7]表明,circRNA MICR能够预测AMI后4个月的左心室收缩功能,可用于风险分层。本课题组前期研究[8]通过高通量测序数据分析证实,Mmu-circ-0001380在小鼠心肌缺血/再灌注损伤模型中表达显著上调。因此,本研究拟进一步分析其人源同源分子Hsa-circRNA0001380对急性前壁STEMI急诊经皮冠状动脉介入治疗(percutaneous coronary intervention,PCI)术后发生心力衰竭的预测价值。

1 材料与方法 1.1 研究对象

选择2022年1月至12月期间大连理工大学附属中心医院(大连市中心医院)心血管内科收治的急性前壁STEMI(包括前间隔心肌梗死和广泛前壁心肌梗死)患者62例作为研究组。所有患者在发病12 h内成功接受急诊PCI。平均年龄(61.34±12.23)岁,其中男30例,女32例。排除既往有心肌梗死病史、慢性心力衰竭、先天性或瓣膜性心脏病、原发性心肌病、肺源性心脏病、心房颤动、严重肾功能不全(肌酐清除率 < 40 mL/min)、恶性肿瘤、近1个月内输血史、近2周内外伤或手术史、血液系统疾病、系统性炎症反应、自身免疫性疾病、妊娠和哺乳期的患者。根据左室射血分数(left ventricular ejection fraction,LVEF)将研究组患者再分为LVEF≥50%组和LVEF < 50%组。另选取22例同期健康体检者作为对照组,年龄和性别均与研究组匹配。本研究获得大连市中心医院伦理委员会批准(YN2022-039-30)。所有研究对象签署知情同意书。

根据Killip分级评估急性前壁STEMI心功能:Ⅰ级,无明显心功能不全;Ⅱ级,心力衰竭,肺部湿啰音范围 < 50%肺野;Ⅲ级,急性肺水肿,肺部闻及广泛湿啰音;Ⅳ级,心源性休克。

1.2 研究方法

1.2.1 收集临床资料

收集研究组和对照组的一般临床资料、实验室检查结果。一般资料包括年龄、性别、既往病史、入院时生命体征。依据Killip分级(Ⅰ~Ⅳ级)评估心功能状态。实验室指标包括肝功能、肾功能、肌钙蛋白I、N末端脑钠肽前体(N-terminal pro-brain natriuretic peptide,NT-proBNP)。

1.2.2 实时定量PCR

采集2组研究对象的静脉血2 mL,1 500 g离心5 min,分离血清后置于-80 ℃保存。应用TRIpure试剂提取血清RNA,反转录为cDNA。使用2×Taq PCR MasterMix(北京索莱宝科技有限公司)和ExicyclerTM 96荧光定量PCR仪(韩国Bioneer公司)进行PCR扩增。β-actin作内参照。引物序列如下:Hsa-circRNA0001380,正向5’- GCCACCCATTGATTTGA -3’,反向5’- GGTTCCACCAGTATTTCC -3’;β-actin,正向5’- GGCACCCAGCACAATGAA -3’,反向5’- TAGAAGCATTTGCGGTGG -3’。采用2-ΔΔCt法计算Hsa-circRNA0001380的相对表达量。

1.2.3 评估心室功能

应用二维超声心动图评估左心室功能。采用改良Simpson法测量并记录LVEF和左心室舒张末容积(left ventricular end-diastolic volume,LVEDV)。

1.2.4 药物治疗

所有急性前壁STEMI患者均于诊断明确后行急诊PCI,术前给予阿司匹林及P2Y12抑制剂(替格瑞洛或氯吡格雷)双联抗血小板治疗,常规应用他汀类药物进行调血脂及稳定斑块治疗。依据急性冠脉综合征管理指南及患者临床状况,个体化给予肾素-血管紧张素-醛固酮系统抑制剂。

1.3 统计学分析

采用SPSS 25.0软件进行统计分析。正态分布的计量资料用x±s表示,非正态分布计量资料用MP25~P75)表示。符合正态分布且方差齐的2组间比较采用独立样本t检验,不符合上述条件的两样本计量资料比较采用非参数秩和检验。计数资料用率(%)表示,组间比较采用χ2检验或Fisher确切概率法。对Hsa-circRNA0001380与心脏功能指标之间进行相关分析时,若双变量正态分布或近似正态分布则采用直线相关分析,否则采用秩相关分析。通过绘制受试者操作特征(receiver operating characteristic,ROC)曲线,计算曲线下面积(area under the curve,AUC),分析Hsa-circRNA0001380与NT-proBNP对急性前壁STEMI后心力衰竭的诊断价值。P < 0.05为差异有统计学意义。

2 结果 2.1 一般资料比较

研究组患者62例,平均年龄(61.34±12.23)岁,其中男48例,女14例;对照组32例,平均年龄(61.23±11.66)岁,其中男10例,女12例。研究组中,心功能Killip分级Ⅰ、Ⅱ、Ⅲ、Ⅳ级的患者分别为31、20、7、4例;根据LVEF分类,LVEF≥50%组患者27例,均为Killip分级Ⅰ级;LVEF < 50%组患者35例,其中Killip分级Ⅰ、Ⅱ、Ⅲ、Ⅳ级的患者分别为4、20、7、4例。

2.2 各组Hsa-circRNA0001380水平比较

与对照组比较,研究组患者Hsa-circRNA0001380水平显著升高,且随着Killip分级升高呈上升趋势,差异有统计学意义(P < 0.001)。此外,LVEF < 50%组急性前壁STEMI患者的Hsa-circRNA0001380表达水平显著高于LVEF≥50%组,差异有统计学意义(P < 0.001)。说明Hsa-circRNA0001380与急性前壁STEMI患者心力衰竭的严重程度有关,提示其可作为急诊PCI术后心力衰竭危险分层的潜在标志物。见表 1

表 1 不同分组Hsa-circRNA0001380表达水平比较 Tab.1 Comparison of Hsa-circ0001380 according to different grouping methods
Group n Hsa-circRNA0001380 Z P
Control 22 0.008 5(0.007 6-0.011 7) 4.220 < 0.001
Anterior-wall STEMI 62 0.012 7(0.010 8-0.015 6)
  Killip class Ⅰ 31 0.010 8(0.009 3-0.011 7) -6.073 < 0.001
  Killip classes Ⅱ-Ⅳ 31 0.015 3(0.013 4-0.016 6)
  LVEF ≥50% 27 0.010 5(0.009 2-0.011 5) -6.316 < 0.001
  LVEF < 50% 35 0.014 9(0.013 4-0.016 7)
LVEF,left ventricular ejection fraction.

2.3 基于Hsa-circRNA0001380中位表达水平分析心脏功能

根据Hsa-circRNA0001380的中位表达水平(0.012 7),将研究组患者分为高表达组(血清水平≥0.012 7,n = 31)和低表达组(血清水平 < 0.012 7,n = 31)。结果显示,高表达组中Killip分级Ⅱ~Ⅳ级患者比例高于低表达组。同时,高表达组肌钙蛋白I、NT-proBNP水平显著高于低表达组。此外,入院时高表达组患者LVEDV较高,LVEF较低,见表 2

表 2 Hsa-circRNA0001380低表达组与高表达组急性前壁STEMI患者心脏功能参数比较 Tab.2 Comparison of cardiac function parameters between patients with acute anterior-wall STEMI in the low-level and high-level Hsa-circRNA0001380 groups
Item Low-level group(Hsa-circRNA0001380 < 0.012 7) High-level group(Hsa-circRNA0001380≥0.012 7) P
Killip class Ⅱ-Ⅳ [n(%)] 3(9.7) 28(90.3) < 0.001
LVEDV(mm) 49.94±4.03 54.58±6.27 0.001
LVEF(%) 55.97±5.76 40.81±6.94 < 0.001
TnI(ng/mL) 3.24±1.02 8.68±2.32 < 0.001
NT-proBNP(pg/mL) 794.0(302.0-1 968.1) 2 131.2(1 520.7-3 538.2) 0.002
LVEDV,left ventricular end-diastolic volume;LVEF,left ventricular ejection fraction;TnI,troponin I;NT-proBNP,N-terminal pro-brain natriuretic peptide.

2.4 相关性分析

血清中Hsa-circRNA0001380表达水平与心肌损伤标志物肌钙蛋白I、心力衰竭相关指标NT-proBNP以及心脏结构参数LVEDV均呈显著正相关(r = 0.700,P < 0.01;r = 0.644,P < 0.01;r = 0.594,P < 0.01)。表明随着Hsa-circRNA0001380水平升高,上述反映心肌损伤、心功能下降及左心室容积的指标均相应上升。相反,Hsa-circRNA0001380与LVEF呈显著负相关(r =-0.838,P < 0.01),提示其水平增高伴随左心室收缩功能下降。见图 1。因此,Hsa-circRNA0001380水平与多项心脏结构及功能指标具有显著相关性,提示其可能成为评估心脏功能的潜在生物标志物。

图 1 Hsa-circRNA0001380与心脏功能指标的相关性 Fig.1 Correlation between Hsa-circRNA0001380 and cardiac function indicators

2.5 Hsa-circRNA0001380对急性前壁STEMI患者心力衰竭的预测价值

ROC曲线显示,Hsa-circRNA0001380的AUC为0.953(95%CI:0.895~1.000),> NT-proBNP [AUC为0.845(95%CI:0.751~0.940)],提示Hsa-circRNA0001380对急性前壁STEMI患者急诊PCI术后心力衰竭的发生较NT-proBNP具有更高的预测效能。Hsa-circRNA0001380高表达提示急性前壁STEMI患者心力衰竭发生风险增加。当截断值为0.012 436时,其预测灵敏度为96.8%,特异度为90.0%,见图 2。以上结果提示Hsa-circRNA0001380可能是急性前壁STEMI患者发生心力衰竭的潜在生物学标志物。

图 2 Hsa-circRNA0001380及NT-proBNP对急性前壁STEMI患者心力衰竭的预测价值 Fig.2 Predictive value of Hsa-circRNA0001380 and NT-proBNP for heart failure in patients with acute anterior-wall STEMI

3 讨论

STEMI由冠状动脉粥样硬化斑块破裂或糜烂引起,是冠状动脉粥样硬化性心脏病的一个严重类型。STEMI后心力衰竭是导致心源性死亡及致残率增加的重要原因之一,常导致患者预后不良[9-12]。研究[13]显示,急性STEMI后新发心力衰竭的发生率为10%~45%。急性前壁STEMI常并发血流动力学紊乱及左心室收缩功能明显受损,发生心血管不良事件风险增高[14],对此类患者早期监测心功能、指导治疗及评估临床预后具有重要意义。

circRNA是通过自剪切产生的连续闭合、环状非编码RNA[3-5],其特点为高稳定性,且进化保守,在转录后层面调控基因表达,在多种疾病的生理和病理过程中均发挥作用[15]。研究[16-18]显示,circRNA可作为诊断AMI及判断预后的生物标志物。自噬相关环状RNA(autophagy-related circular RNA,ACR)是由自噬基因编码的circRNA,通过抑制自噬保护心肌细胞,并减少心肌细胞凋亡,减轻心肌缺血/再灌注损伤,缩小心肌梗死面积[19]。有研究[20]发现,心肌梗死后小鼠模型circRNA CDR1as及miR-7a表达水平上调,且circRNA CDR1as可能通过调控miR-7a的靶标而促进AMI的发生发展。血清中circRNA水平增高与AMI后的心力衰竭发生相关。还有研究[21]发现,circRNA MICRA表达水平与心肌梗死后左心室收缩功能障碍程度有一定的关联,MICRA水平较低的心肌梗死患者更易出现LVEF降低。既往研究[22]表明,Hsa-circRNA0001380在活动性肺结核患者外周血单核细胞中表达下调,可作为活动性肺结核诊断的潜在生物标志物。然而,Hsa-circRNA0001380在急性前壁STEMI及随后的心力衰竭发展中的诊断价值尚未见报道。

本研究结果显示,急性前壁STEMI患者外周血中Hsa-circRNA0001380表达上调,该结果与circRNA可作为AMI良好生物标志物的观点一致,支持Hsa-circRNA0001380可能是急性前壁STEMI的诊断性生物标志物。此外,血清Hsa-circRNA0001380水平还与急性前壁STEMI患者心功能相关。本研究还发现,急性前壁STEMI伴发心力衰竭患者血清Hsa-circ-RNA0001380水平高于无心力衰竭患者。而且,Hsacirc-RNA0001380水平与LVEDV呈正相关,与LVEF呈负相关。外周血Hsa-circRNA0001380可能成为急性前壁STEMI并发左心室收缩功能障碍的潜在生物标志物。为了进一步评估循环Hsa-circRNA0001380对急性前壁STEMI后心力衰竭的诊断价值,本研究进一步绘制了ROC曲线,结果表明,Hsa-circ-RNA0001380的AUC为0.953,灵敏度为96.8%,特异度为90.0%,较传统的心功能指标NT-proBNP有更好的诊断价值。

外周血Hsa-circRNA0001380在急性前壁STEMI中的具体作用机制尚不明确,其可能的调控效应如下:Hsa-circRNA0001380可与Hsa-miR-622、Hsa-miR-136-5p等微RNA结合,调控下游基因表达,参与细胞内生物学过程[23]。此外,Hsa-circRNA0001380具有m6A修饰位点,参与调节RNA稳定性、定位及转录效率等RNA生命过程,并与其他分子相互作用,调控细胞内分布及下游基因表达,进而影响心血管系统生理学及病理学过程[24]。目前关于Hsa-circ-RNA0001380参与AMI后心力衰竭发生发展的分子机制罕有报道,有待于深入探究。本研究中,急性前壁STEMI患者外周血中Hsa-circRNA0001380表达水平增加,且与心肌梗死后心功能参数存在相关性,ROC曲线证实其对急性前壁STEMI后心力衰竭具有预测价值,因此,推测Hsa-circRNA0001380可能成为AMI后心力衰竭潜在的新的治疗靶点。

综上所述,本研究首次发现外周血Hsa-circRNA0001380可作为急性前壁STEMI患者接受急诊PCI术后发生心力衰竭的潜在的诊断标志物,但其能否成为急性STEMI可能的治疗靶点仍有待深入研究。关于Hsa-circRNA0001380的生物学功能、具体作用机制与临床应用前景,亟待开展大规模多中心随机对照研究。

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