一种潜在的与凝血相关的诊断模型,与急性心肌梗塞的免疫透相关
Guoqing Liu1, Wang Liao1, Xiangwen Lv2
1Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
Genes and immunity
|October 8, 2024
概括
与凝血相关的基因 (CRG) 显著影响急性心肌梗塞 (AMI) 的发展和预后. 确定关键的CRG为AMI患者提供了新的诊断和个性化治疗策略.
科学领域:
- 心血管医学 心血管医学
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- 促凝血因素影响急性心肌梗塞 (AMI) 的进展和结果.
- 与凝血相关的基因 (CRG) 代表了AMI的潜在诊断和治疗点.
研究的目的:
- 研究CRG在AMI诊断和治疗中的临床价值.
- 为了确定新的诊断生物标志物和AMI的治疗点.
主要方法:
- 使用GSE66360数据集对AMI和健康个体之间335个基因的差异基因表达分析.
- 差异表达基因 (DEG) 与139个CRG的交叉,以确定10个差异表达的CRG.
- 随机森林算法使用6个签名CRG (THBS1,SERPINA1,THBD,MMP9,MAFF,PLAU) 构建一个预测模型.
- 使用GSE48060数据集验证预测模型.
- 共识聚类以确定基于CRG的患者子组,并分析免疫细胞透.
主要成果:
- 一个基于6个CRG签名的预测模型显示出高的诊断准确性 (AUC=0.9694在训练中,0.9076在验证中).
- 根据CRG表达模式,AMI患者被分为两个不同的子组.
- CRG的表达水平与免疫细胞透相关,这表明它在瘤微环境中的作用.
结论:
- CRG在AMI的发病和进展中发挥着重要作用.
- 确定了6个签名CRG,可以作为AMI诊断和风险分层的潜在生物标志物.
- 鉴定凝血概况可以为AMI患者提供个性化治疗策略.
相关概念视频
01:30Acute Coronary Syndrome III: Diagnostic studies
3
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
3
01:27Myocarditis II: Clinical features and Diagnostic Tests
2
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
2
01:19Acute Coronary Syndrome II: Pathophysiology and clinical manifestations
3
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
3
01:30Acute Coronary SyndromeI: Introduction
3
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
3
01:20Blood Studies for Cardiovascular System I: Cardiac Biomarkers
105
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
105
01:21Myocarditis I: Introduction
2
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
2