Translational In Vivo Models for Cardiovascular Diseases
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Updated: Mar 30, 2026

In Vivo Gene Transfer to the Rabbit Common Carotid Artery Endothelium
Published on: May 6, 2018
Daniela Fliegner1, Christoph Gerdes2, Jörg Meding2
1Bayer HealthCare AG, Cardiovascular I/III, Aprather Weg 18a, 42096, Wuppertal, Germany. Daniela.Fliegner@bayer.com.
Insights
Selecting appropriate animal models is crucial for advancing cardiovascular disease research and drug development. Choosing models that accurately reflect human pathophysiology enhances the predictive value of preclinical studies, leading to better treatments.
Area of Science:
- Cardiology
- Translational Medicine
- Preclinical Research
Background:
- Cardiovascular diseases (CVDs) remain the leading cause of mortality and morbidity globally.
- Effective in vitro and in vivo studies are essential for advancing experimental cardiology and preclinical drug development.
- Animal models have significantly improved understanding of CVD mechanisms, aiding diagnostic and therapeutic advancements.
Purpose of the Study:
- To highlight the importance of selecting appropriate animal models in cardiovascular research.
- To emphasize the challenges and opportunities in preclinical drug development for cardiac pathologies.
- To underscore the need for models that accurately mimic human pathophysiology for improved clinical translation.
Main Methods:
- Review of various animal models used in cardiovascular research across different species and sizes.
- Analysis of the limitations of current animal models in fully replicating complex cardiac diseases.
- Discussion on the criteria for selecting optimal animal models for specific cardiovascular conditions.
Main Results:
- Numerous animal models exist for studying heart failure, pulmonary hypertension, and thrombotic diseases.
- No single animal model perfectly replicates all aspects of human cardiovascular diseases due to complexity and heterogeneity.
- The selection of animal models that mirror critical features of human pathophysiology is key to successful translation.
Conclusions:
- Careful selection of animal models is vital for the success of cardiovascular drug development.
- Improved predictive value of preclinical models through accurate human pathophysiology reflection can lead to innovative treatments.
- Advancing diagnostic and therapeutic strategies for cardiovascular diseases relies on robust and relevant preclinical research.
Abstract:
Cardiovascular diseases are still the first leading cause of death and morbidity in developed countries. Experimental cardiology research and preclinical drug development in cardiology call for appropriate and especially clinically relevant in vitro and in vivo studies. The use of animal models has contributed to expand our knowledge and our understanding of the underlying mechanisms and accordingly provided new approaches focused on the improvement of diagnostic and treatment strategies of various cardiac pathologies.Numerous animal models in different species as well as in small and large animals have been developed to address cardiovascular complications, including heart failure, pulmonary hypertension, and thrombotic diseases. However, a perfect model of heart failure or other indications that reproduces every aspect of the natural disease does not exist. The complexity and heterogeneity of cardiac diseases plus the influence of genetic and environmental factors limit to mirror a particular disease with a single experimental model.Thus, drug development in the field of cardiology is not only very challenging but also inspiring; therefore animal models should be selected that reflect as best as possible the disease being investigated. Given the wide range of animal models, reflecting critical features of the human pathophysiology available nowadays increases the likelihood of the translation to the patients. Furthermore, this knowledge and the increase of the predictive value of preclinical models help us to find more efficient and reliable solutions as well as better and innovative treatment strategies for cardiovascular diseases.
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