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Related Experiment Video

Updated: Jun 1, 2026

Large-scale Zebrafish Embryonic Heart Dissection for Transcriptional Analysis
10:00

Large-scale Zebrafish Embryonic Heart Dissection for Transcriptional Analysis

Published on: January 12, 2015

A comparative MudPIT analysis identifies different expression profiles in heart compartments.

Claudio Comunian1, Francesca Rusconi, Antonella De Palma

  • 1Institute for Biomedical Technologies (ITB)-CNR, Segrate, Milan, Italy.

Proteomics
|May 21, 2011
PubMed
Summary
This summary is machine-generated.

This study mapped the protein differences in mouse heart chambers, revealing distinct proteomes in the atria, left ventricle, and right ventricle. Understanding these cardiac proteomes is key to uncovering cardiomyopathy mechanisms.

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Last Updated: Jun 1, 2026

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Published on: January 12, 2015

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Published on: September 15, 2018

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Area of Science:

  • Cardiovascular Biology
  • Proteomics
  • Molecular Cardiology

Background:

  • Cardiomyopathies involve alterations in atrial and ventricular cardiac compartments.
  • Understanding healthy heart physiology is crucial for elucidating cardiomyopathy mechanisms.

Purpose of the Study:

  • To characterize the proteomes of the murine left ventricle (LV), right ventricle (RV), and atria (A).
  • To investigate the relative protein abundances among different heart chambers.

Main Methods:

  • Utilized multidimensional protein identification technology.
  • Employed a multidimensional algorithm protein map tool for quantitative analysis.

Main Results:

  • Identified thousands of distinct proteins across heart chambers.
  • Found significant differences in protein abundance: 16 proteins higher in LV vs. RV, 55 in LV vs. A; 47 in RV vs. LV, 60 in RV vs. A; 81 in A vs. LV, 74 in A vs. RV.

Conclusions:

  • Detailed characterization of the myocardial compartment proteome advances heart physiology knowledge.
  • This proteomic data may help identify key features in cardiomyopathy development.