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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

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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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Updated: Jan 7, 2026

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
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Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies

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生物标志物 生物标志物

Jun Shen1,2, Sisi Peng3, Juan Du2

  • 1Changhai hosptial, Naval Medical University, Shanghai, Shanghai, China.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
PubMed
概括
此摘要是机器生成的。

莫亚莫亚病 (MMD) 的认知功能障碍与血清代谢物的显著变化有关. 这项研究揭示了MMD患者与认知障碍相关的广泛代谢变化.

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科学领域:

  • 神经科学是一个神经科学.
  • 代谢学 代谢学 代谢学
  • 生物化学 生物化学

背景情况:

  • 认知功能障碍是莫亚莫亚病 (MMD) 的普遍症状.
  • 潜在的机制,特别是血清代谢物变化,仍未得到充分研究.
  • 这项研究探讨了MMD患者的代谢概况,以了解认知障碍.

研究的目的:

  • 分析MMD患者的血清代谢概况,使用非向代谢组.
  • 研究MMD中代谢变化和认知功能之间的关系.

主要方法:

  • 使用认知测试 (MoCA,HVLT-R) 评估了30名MMD患者和10名健康对照.
  • 血清样本接受了液体染色学-并联质谱学 (LC-MS/MS) 进行代谢分析.
  • 相关性分析检查了代谢物和认知表现之间的联系.

主要成果:

  • 患有MMD的患者在整体认知和特定领域如记忆和回忆方面表现出显著的损伤.
  • 在MMD患者中,有142个血清代谢物发生显著变化,其中120个是上调的,22个是下调的.
  • 在胆汁酸,氨基酸,脂质和精氨酸代谢中观察到变化,表明复杂的代谢失调.

结论:

  • 在MMD的认知功能障碍与显著的血清代谢变化有关.
  • 改变的代谢物表明在MMD相关认知障碍的病理生理学中发挥了作用.
  • 这些发现强调了对MMD认知功能的综合管理的需要.