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Related Concept Videos

Proteomics01:33

Proteomics

7.0K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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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...
38
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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Related Experiment Video

Updated: May 13, 2025

Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
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Plant-Based Diets and Cardiovascular Events: A Proteomics Approach to Examine the Underlying Pathways.

Hyunju Kim1, Jingsha Chen2, Brenton Prescott3

  • 1Department of Epidemiology, University of Washington, Seattle, WA, United States; Cardiovascular Health Research Unit, Department of Medicine, University of Washington School of Public Health, Seattle, WA, United States.

The Journal of Nutrition
|April 14, 2025
PubMed
Summary

Plant-based diets may lower cardiovascular disease (CVD) risk. Proteomics identified specific proteins linked to CVD, offering insights into diet-disease pathways and potential prevention strategies.

Keywords:
cardiovascular diseasecoronary artery diseaseheart failureplant-based dietsprospective cohort studiesproteomicsstroke

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Area of Science:

  • Cardiovascular research
  • Nutritional science
  • Proteomics

Background:

  • Plant-based diets are linked to reduced cardiovascular disease (CVD) risk.
  • Proteomics offers a way to understand the biological mechanisms behind this association.

Purpose of the Study:

  • To investigate associations between previously identified plant-based diet-related proteins and incident CVD.
  • To examine these associations in relation to CVD subtypes using large-scale proteomics in the ARIC and FHS Offspring cohorts.

Main Methods:

  • Discovery analyses involved 9078 participants from the ARIC study, using Cox proportional hazards regression.
  • Replication analyses were conducted on 1279 participants from the FHS Offspring cohort.
  • Evaluated associations between 73 plant-based diet-related proteins and incident CVD, coronary artery disease, heart failure, and stroke.

Main Results:

  • In the ARIC study, 26 of 73 proteins were significantly associated with incident CVD.
  • Proteins like soluble advanced glycosylation end product-specific receptor, thrombospondin-2 (THBS2), and N-terminal pro-BNP showed significant associations with CVD and heart failure.
  • Replication analyses in the FHS Offspring cohort supported some of these findings.

Conclusions:

  • Identified proteins highlight potential biological pathways explaining the link between plant-based diets and CVD.
  • These findings contribute to understanding the molecular basis of diet-related cardiovascular health.