Rodent Heart

The rodent heart is the muscular organ that circulates blood through the lungs and body, making it a widely used model for studying cardiac structure, function, and disease. Its coordinated activity depends on electrical signals that trigger cardiomyocyte contraction, while valves and pressure gradients direct one-way blood flow through the chambers. In bioengineering, rodent hearts support research on cardiac injury, tissue engineering, biomaterials, organ perfusion, and regenerative therapies. Researchers can assess engineered scaffolds, cultured cells, and therapeutic interventions by measuring contractility, electrical activity, vascularization, and recovery after damage, helping connect laboratory designs with strategies for repairing or replacing injured heart tissue.

Rodent Heart - Related Videos

Research

JoVE Journal - Biology

Viral Transgene Expression in Rodent Hearts and the Assessment of Cardiac Arrhythmia Risk

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Cited by 2 •

2022

The present protocol describes methods for transgene expression in rat and mouse hearts by direct intramyocardial injection of the virus under echocardiography guidance. Methods for the assessment of the susceptibility of hearts to ventricular arrhythmias by the programmed electrical stimulation of isolated, Langendorff-perfused hearts are also explained here.

Light-Sheet Imaging to Reveal Cardiac Structure in Rodent Hearts

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Cited by 9 •

2024

The protocol utilizes advanced light-sheet microscopy along with adapted tissue clearing methods to investigate intricate cardiac structures in rodent hearts, holding great potential for the understanding of cardiac morphogenesis and remodeling.

Research

JoVE Journal - Biology
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Rodent Working Heart Model for the Study of Myocardial Performance and Oxygen Consumption

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Cited by 8 •

2016

Isolated working heart models can be used to measure the effect of loading conditions, heart rate, and medications on myocardial performance and oxygen consumption. We describe methods for preparation of a rodent left heart working model that permits study of systolic and diastolic performance and oxygen consumption under various conditions.

A Simplified Model for Heterotopic Heart Valve Transplantation in Rodents

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Cited by 6 •

2021

This protocol describes a simple and efficient method for the transplantation of aortic valve leaflets under the renal capsule to allow for the study of alloreactivity of heart valves.

Rodent Heart and Brain Tissue Preparation for Digital Macro Photography after Ischemia-reperfusion

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Cited by 5 •

2022

Presented here is a protocol for the standardized methodology of rodent tissue preparation after the ischemia-reperfusion experiment and guidelines for establishing lighting and camera setups for high-resolution image acquisition. This method is applicable to all experimental small-animal organ photography.

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