生物标志物 生物标志物
Germain Busto1, Cédric Turpinat2, Sophie Navucet3
1CHU Montpellier CMRR, Montpellier, France.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
概括
单纯的粉样蛋白阳性并不能预测阿尔茨海默病的进展. 识别特定的生物标志物对于预测认知衰退和指导患者个性化治疗决策至关重要.
科学领域:
- 神经学 神经学
- 生物标志物 生物标志物
- 阿尔茨海默氏症疾病研究研究
背景情况:
- 最近阿尔茨海默病 (AD) 的进展包括改变疾病的治疗方法和基于血液的生物标志物.
- 然而,仅仅粉样蛋白阳性对认知衰退的预测价值仍在争论中.
- 这强调了需要更好的预测指标来指导以患者为中心的临床决策.
研究的目的:
- 为了纵向监测认知能力不受损害的粉样蛋白阳性个体.
- 确定预测认知衰退的生物参数.
- 允许在适当的时候通过疾病修饰性治疗进行早期干预.
主要方法:
- 从法国记忆诊所招募基于认知投诉或家庭病史的个人.
- 基线评估包括神经心理测试,MRI,肠道微生物群,蛋白质组学 (Nulisa) 和睡眠评估.
- 使用数字工具进行纵向监测,以远程检测认知能力下降.
主要成果:
- 通过先进的血生物标志物 (Aβ42,p-tau217) 选的粉样蛋白阳性患者队列的建立.
- 纵向评估以确定早期的认知衰退.
- 认知衰退的预测生物参数的识别.
结论:
- 单独的粉样蛋白阳性不足以启动疾病修饰性治疗,因为进展和副作用的变化.
- 这项研究旨在发现粉样蛋白阳性个体认知衰退的关键生物学预测因素.
- 这些发现将支持在阿尔茨海默病管理中做出更知情,以患者为中心的临床决策.
相关概念视频
01:20Blood Studies for Cardiovascular System I: Cardiac Biomarkers
749
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...
749
01:19Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
516
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...
516