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Updated: Dec 23, 2025
An Experimental Model of Myocardial Infarction for Studying Cardiac Repair and Remodeling in Knockout Mice
Published on: July 14, 2023
Advanced modular automated calculation of the morpho-histological parameters in myocardial infarction
Adelina Curaj1, Lucian Pop-Fele2,3,4, Marko Jovanovic3
1Institute for Molecular Cardiovascular Research (IMCAR), RWTH Aachen University, Germany.
Insights
This study introduces a novel automated method for precisely measuring myocardial infarction size and associated cardiac fibrosis in mice. This advancement improves research accuracy for developing new heart disease therapies.
Area of Science:
- Cardiovascular Pathology
- Histopathology
- Biomedical Engineering
Background:
- Myocardial infarction (MI) is a leading cause of death, necessitating accurate assessment in research.
- Current histological methods for quantifying MI size and cardiac fibrosis lack standardization, leading to variability and hindering therapeutic development.
Purpose of the Study:
- To present a novel, automated methodology for simultaneously calculating infarct size, scar collagen content, and remote interstitial fibrosis in mouse hearts.
- To enhance the accuracy and efficiency of cardiac tissue analysis for cardiovascular research.
Main Methods:
- Development and application of an advanced modular automated calculation system.
- Simultaneous histological assay of mouse heart tissues to quantify infarct size, net collagen content, and interstitial fibrosis.
Main Results:
- The novel methodology demonstrates robust applicability for comprehensive cardiac tissue analysis.
- Simultaneous computation of multiple parameters (infarct size, collagen, fibrosis) is achieved efficiently.
Conclusions:
- The new automated approach significantly improves the accuracy of infarct size measurement, a key predictor for cardiac interventions.
- User-friendly operation and readily assembled reports facilitate effective estimation of cardiac tissue parameters, impacting future therapeutic strategies.
Abstract:
Myocardial infarction represents the most investigated pathology. Heart tissues are histologically assayed on a routine base in clinical laboratories. However, the lack of a standard operation procedure for e.g. calculating the size of the infarcted area of myocardium, may lead to an increased errors' interval, with little correlation between results of a same tissue and/or with other pathophysiological parameters. This creates a clear barrier for further development of novel therapeutic strategies. In the present study, we present the robust applicability of a novel methodology such as: advanced modular automated calculation of (i) the size of infarcted heart of mice, (ii) the net collagen content present in the scar, and (iii) the interstitial fibrosis in remote, which are simultaneously performed. The new approach of defining the infarct size, one of the important predictor of every cardiac therapeutic intervention, will create a positive impact in the research accuracy. Additionally, it will be expected that the readily assembled reports of simultaneously computed parameters and its user-friendly operation allow an efficient and effective estimation of measurements.
