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Related Concept Videos

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...
516

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Related Experiment Video

Updated: Jan 7, 2026

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

Paolo Vitali1,2,3, Nesrine Rahmouni4,5, Yansheng Zheng3,5

  • 1The McGill University Research Centre for Studies in Aging, Montreal, QC, Canada.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

Alzheimer

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Area of Science:

  • Neuroscience
  • Biomarker Research
  • Gerontology

Background:

  • Alzheimer's Disease (AD) diagnosis has evolved with advances in in vivo biomarker identification.
  • AD is now redefined biologically, focusing on beta-amyloid and phosphorylated tau protein biomarkers.
  • The McGill Centre for Studies in Aging (MCSA) is a leading research center in neurodegenerative disease biomarkers.

Purpose of the Study:

  • To highlight the MCSA's contributions to Alzheimer's Disease biomarker research and clinical application.
  • To discuss the impact of sophisticated techniques like cerebrospinal fluid analysis and PET imaging in characterizing AD.
  • To explore the revolutionary potential of emerging plasma biomarkers for early and accessible Alzheimer's screening.

Main Methods:

  • Utilizing particle analysis by immunodetection assay in cerebrospinal fluid.
  • Employing molecular neuroimaging with Amyloid and Tau Positron Emission Tomography (PET).
  • Characterizing individuals across the Alzheimer's Disease continuum (preclinical, mild cognitive impairment, dementia).

Main Results:

  • Biologically characterized hundreds of individuals, advancing scientific recognition and patient care.
  • Demonstrated the effectiveness of cerebrospinal fluid and PET imaging in AD diagnosis.
  • Highlighted the promise of plasma biomarkers for less invasive, accessible, and accurate Alzheimer's screening.

Conclusions:

  • Biomarker advancements have enabled earlier and more accurate Alzheimer's Disease diagnosis.
  • Plasma biomarkers represent a significant diagnostic and therapeutic revolution for the aging population.
  • MCSA's expertise aims to improve disease knowledge, develop effective therapies, and enhance patient care.