Tricuspid Valve Tissue
Tricuspid Valve Tissue - Related Videos
07:34
Layer Microdissection of Tricuspid Valve Leaflets for Biaxial Mechanical Characterization and Microstructural Quantification
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2022
This protocol describes the biaxial mechanical characterization, polarized spatial frequency domain imaging-based collagen quantification, and microdissection of tricuspid valve leaflets. The provided method elucidates how the leaflet layers contribute to the holistic leaflet behaviors.
08:47
Culturing Mouse Cardiac Valves in the Miniature Tissue Culture System
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Cited by 10 •
2015
Here, we present an ex vivo flow model in which murine cardiac valves can be cultured allowing the study of the biology of the valve.
10:56
Transplantation of Pulmonary Valve Using a Mouse Model of Heterotopic Heart Transplantation
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Cited by 7 •
2014
In order to understand the cellular and molecular mechanisms underlying neotissue formation and stenosis development in tissue engineered heart valves, a murine model of heterotopic heart valve transplantation was developed. A pulmonary heart valve was transplanted to recipient using the heterotopic heart transplantation technique.
09:13
Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
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2017
The protein composition of the human mitral valve is still partially unknown, because its analysis is complicated by low cellularity and therefore by low protein biosynthesis. This work provides a protocol to efficiently extract protein for the analysis of the mitral valve proteome.
11:12
Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
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Cited by 5 •
2013
There has been renewed interest in developing polymer valves. Here, the objectives are to demonstrate the feasibility of modifying a commercial pulse duplicator to accommodate tri-leaflet geometries and to define a protocol to present polymer valve hydrodynamic data in comparison to native and prosthetic valve data collected under near-identical conditions.
FAQs
Each structural component contributes to stable leaflet motion under changing pressure. The leaflets provide the principal closing surface, while the chordae tendineae and annulus help maintain leaflet position and distribute tension. The extracellular matrix supplies connective support within the tissue. Studying these contributions helps bioengineers evaluate how structure relates to mechanical performance and valve durability.
Pressure differences determine when the valve tissue must accommodate filling or resist closure forces. During these transitions, tension stabilizes the leaflets and supports coordinated movement rather than allowing uncontrolled deformation. Bioengineering analyses therefore examine mechanical behavior under changing loads, because tissue designs that do not reproduce this response may provide less reliable physiological function.
Cells and extracellular matrix are linked through remodeling processes that can alter the tissue’s composition and mechanical behavior over time. Examining both cellular composition and remodeling gives researchers a broader view than measuring structure alone. This information supports the design of replacements intended to integrate with surrounding tissue while maintaining appropriate function and durability.
Researchers focus on three connected areas: mechanical behavior, cellular composition, and remodeling processes. Mechanical analysis addresses how the tissue responds to the forces associated with valve operation, while cellular and remodeling studies provide insight into biological maintenance and change. Together, these characterizations guide decisions about biomaterial properties, repair strategies, and tissue-engineered replacement design.
Measurements of native tissue behavior and organization provide targets for engineered materials and repair approaches. Designs can be assessed against the tissue’s ability to support leaflet stability, respond to pressure-related loading, and maintain physiological function. Applying these principles helps researchers pursue repairs and replacements with improved durability and integration rather than relying only on nonliving implant behavior.
Its biological and mechanical characteristics provide a reference for constructing replacements that better resemble living valve tissue. Tissue engineering can use information about cellular composition, extracellular matrix, mechanical response, and remodeling to address limitations associated with nonliving implants. The broader goal is to support physiological function and integration while reducing complications linked to purely inert replacement materials.