Related Experiment Videos
Mouse isolated perfused heart: characteristics and cautions.
Fiona J Sutherland1, Michael J Shattock, Kathryn E Baker
1Cardiovascular Research, The Rayne Institute, St Thomas' Hospital, London, UK. fiona.sutherland@kcl.ac.uk
Clinical and Experimental Pharmacology & Physiology
|December 18, 2003
Summary
Researchers optimized an isolated mouse heart preparation for physiological assessment of genetically modified mice. This refined technique enhances cardiovascular research capabilities using mouse models.
Area of Science:
- Cardiovascular Research
- Animal Models
- Physiological Assessment
Background:
- Genetically modified mice are crucial for cardiovascular disease research.
- Assessing genetically modified mouse physiology requires specialized techniques.
- Existing methods for mouse heart preparation are limited.
Purpose of the Study:
- To refine and characterize an isolated mouse heart preparation.
- To address the need for adequate physiological assessment of genetically modified mice.
- To adapt a Langendorff preparation for murine hearts.
Main Methods:
- Utilized an isolated buffer-perfused Langendorff preparation.
- Characterized frequency-response, isolation, and perfusion conditions.
- Assessed temperature-function, stability, and perfusate calcium relationships.
- Investigated pressure-volume and pressure-rate relationships.
- Analyzed flow-function relationships.
Main Results:
- Established a refined and characterized isolated mouse heart preparation.
- Defined optimal conditions for heart isolation and perfusion.
- Detailed the physiological performance and stability of the preparation.
- Provided comprehensive functional characterization data.
Conclusions:
- The refined isolated mouse heart preparation is suitable for physiological assessment.
- This technique supports advanced cardiovascular research using genetically modified mice.
- The characterized preparation enhances the utility of murine models in disease research.