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相关概念视频

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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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...
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

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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...
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生物标志物 生物标志物

Carmela Tartaglia1

  • 1Krembil Brain Institute, University Health Network, Toronto, ON, Canada; Tanz Centre for Research in Neurodegenerative Disease, University of Toronto, Toronto, ON, Canada; Toronto Dementia Research Alliance, Toronto, ON, Canada.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
概括

开发新的前叶退化 (FTLD) 生物标志物对于早期诊断和个性化治疗至关重要. 超越CSF和等离子体的创新方法对检测特异性病理,如tau和TDP-43.3具有前途.

科学领域:

  • 神经学 神经学
  • 生物标志物研究 生物标志物研究
  • 神经退行性疾病 神经退行性疾病

背景情况:

  • 前叶退化 (FTLD) 呈现出多样化的临床和病理特征,往往是晚期诊断的.
  • 当前的诊断挑战阻碍了FTLD的及时干预,影响了治疗的有效性.
  • 在MAPT,GRN或C9orf72中的基因突变在10-20%的FTLD病例中被发现.

研究的目的:

  • 审查FTLD生物标志物开发的最新进展.
  • 突出需要生物标志物,可以早期检测FTLD,并区分tau和TDP-43病理.
  • 探索创新的生物标志物来源和方法,以改善FTLD诊断和管理.

主要方法:

  • 对FTLD生物标志物当前最先进的发展情况的审查.
  • 研究新的方法,包括皮肤活检超越CSF和血.
  • 探索蛋白质组,代谢组和神经炎症标志物的特异性.

主要成果:

  • 神经纤维光链 (NfL) 是神经退行症的非特异性标志物.
  • 蛋白质组和代谢组研究正在确定FTLD亚型的新型候选生物标志物.
  • 神经炎症和突触功能障碍的新兴标志物显示出特定的FTLD亚型差异化潜力.

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结论:

  • 生物标志物对于FTLD诊断,跟踪进展和监测治疗反应至关重要.
  • 一个全面的生物标志物小组可以实现针对FTLD的个性化治疗策略.
  • 对特定病理标志物的进一步研究对于推进FTLD护理至关重要.