在低海拔地区潜在的血生物标志物用于预测急性山病
Haoran Guo1,2, Qi Wang3, Tao Li4
1Medical School of Chinese PLA, Beijing, China.
Frontiers in immunology
|October 16, 2023
概括
预测急性山病 (AMS) 是一个挑战. 这项研究确定了特定的血蛋白,包括AAT,SAP,LTF和HSP90-α,作为预测低海拔地区AMS易感性的潜在生物标志物.
科学领域:
- 生理学 生理学 生理学
- 蛋白质组学是指蛋白质组学
- 生物标志物发现发现
背景情况:
- 高海拔上升会导致生理变化,一些低地人无法适应.
- 在高度暴露之前预测急性山病 (AMS) 仍然很困难.
研究的目的:
- 为了确定血蛋白生物标志物来预测AMS易感性.
- 为了阐明与不同高度的AMS相关的差异表达蛋白 (DEPs).
主要方法:
- 从40名参与者 (发现队列) 的血样本的蛋白质组分析,按AMS严重程度分层.
- 在118名参与者队列中使用ELISA验证选定的DEP (验证队列).
- 接收器操作特征 (ROC) 分析,以评估生物标志物的预测效率.
主要成果:
- 在与免疫相关的途径,如粒细胞激活和中性粒细胞免疫,DEP被丰富.
- 在严重的AMS (sAMS) 与低海拔地区的非AMS组中AAT,SAP和LTF的升高水平显示出高预测值 (AUC=0.965).
- SAP和LTF区分了中度AMS (mAMS) 与sAMS (AUC=0.887),而HSP90-α和SAP区分了在低海拔地区的mAMS与非AMS (AUC=0.874).
结论:
- 炎症和免疫反应在AMS易感和耐药个体之间存在显著差异.
- 在低海拔地区,SAP,AAT,LTF和HSP90-α显示为AMS的预测生物标志物.
相关概念视频
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
99
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
99
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
174
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...
174
Acute Coronary Syndrome III: Diagnostic Studies
9
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...
9


