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

Pei-Yang Gao1, Ouyang Chen1, Yi Tang2

  • 1Xuanwu Hospital Capital Medical University, Beijing, Beijing, China.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 24, 2025
PubMed
Summary
This summary is machine-generated.

Chronic pain is linked to increased dementia risk, with specific proteins like GFAP acting as key markers. Understanding these links may help in early detection of dementia in chronic pain patients.

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Area of Science:

  • Neuroscience
  • Biomarker Discovery
  • Proteomics

Background:

  • The link between chronic pain and Alzheimer's disease (AD) pathogenesis is not well understood.
  • Mass spectrometry-based proteomics offers a powerful tool for analyzing numerous proteins simultaneously.
  • This study aimed to identify plasma protein profiles connecting chronic pain to AD and potential early biomarkers.

Purpose of the Study:

  • To identify plasma protein profiles associated with dementia risk in individuals with chronic pain.
  • To explore shared molecular pathways between chronic pain and different types of dementia.
  • To discover potential early biomarkers for dementia in chronic pain populations.

Main Methods:

  • Analysis of 2,920 plasma proteins in 20,932 chronic pain individuals from the UK Biobank.
  • Longitudinal assessment of associations between proteins and risk of all-cause dementia (ACD), AD, and vascular dementia (VaD) using Cox proportional hazards models.
  • Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) enrichment analyses to identify biological pathways.

Main Results:

  • GFAP showed the strongest association with all dementia types (ACD, AD, VaD).
  • Specific proteins like NEFL and GDF15 were identified as risk factors for ACD and AD, while others showed protective effects.
  • Pathway analyses revealed shared enrichment in cytokine-cytokine receptor interaction and Pi3k-akt signaling, suggesting neuroinflammation's role.

Conclusions:

  • Distinct protein signatures link chronic pain to dementia risk, with GFAP as a significant marker.
  • Shared pathways like cytokine-cytokine interaction and Pi3k-akt signaling suggest neuroinflammation as a mechanism.
  • Findings identify potential biomarkers for early dementia detection in chronic pain patients.