生物标志物 生物标志物
Eric B Dammer1,2, Shiva Afshar1,2, Shijia Bian3
1Emory University School of Medicine, Atlanta, GA, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
血蛋白质的变化反映了阿尔茨海默氏症 (AD) 的大脑病理和认知状态. 这些受到APOE ε4等因素影响的外围变化为AD风险和进展提供了潜在的治疗点.
科学领域:
- 神经科学是一个神经科学.
- 生物化学 生物化学
- 遗传学 遗传学 是一个
背景情况:
- 阿尔茨海默病 (AD) 在临床上是由大脑β-氨基粉症和认知能力下降所定义的.
- 然而,阿尔茨海默病往往涉及多种神经病理,并且对外围蛋白质变化的了解很少.
研究的目的:
- 为了确定与大脑β-粉样症和AD中的认知功能相关的血蛋白和途径.
- 调查与其他常见的AD神经病理学的关联.
主要方法:
- 分析了来自四个队伍的2,103名参与者的血蛋白质组.
- 血蛋白与大脑β-氨基粉症,认知功能和神经病理的相关性.
主要成果:
- 与β-氨基粉症相关的蛋白质在突触和细胞外基质 (ECM) 途径中得到丰富.
- 与认知功能相关的蛋白质涉及蛋白质翻译,囊泡运输,线粒体,炎症和脂肪酸代谢等途径.
- APOE ε4基因型影响了与β-氨基粉症相关的许多蛋白质;大脑病理学只解释了与认知相关的血蛋白协会的一半.
结论:
- 血蛋白质体反映了与AD内类型相关的多种生物学途径,包括外围影响.
- 针对中枢神经系统或外围的已识别的途径,可能为AD提供新的治疗策略.
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