Embryonic Valve Cells
Embryonic Valve Cells - Related Videos
08:55
Isolation and Characterization of Primary Rat Valve Interstitial Cells: A New Model to Study Aortic Valve Calcification
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Cited by 17 •
2017
This protocol describes the isolation, culture, and calcification of rat-derived valve interstitial cells, a highly physiological in vitro model of calcific aortic valve disease (CAVD). Exploitation of this rat model facilitates CAVD research in exploring the cell and molecular mechanisms that underlie this complex pathological process.
11:56
Derivation of Human Embryonic Stem Cells by Immunosurgery
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Cited by 12 •
2007
The ability of human embryonic stem cells to self-renew and differentiate into all cell types of the body suggests that they hold great promise for both medical applications and as a research tool for addressing fundamental questions in development and disease. Here, we provide a concise, step-by-step protocol for the derivation of human embryonic stem cells from embryos by immunosurgical isolation of the inner cell mass.
06:55
Protein Isolation from the Developing Embryonic Mouse Heart Valve Region
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Cited by 2 •
2014
The analysis of protein expression in young embryonic mouse valves has been hampered by the limited tissue available. This manuscript provides a protocol for preparing protein from developing embryonic mouse valve regions for western blot analysis.
04:51
Isolation of Mouse Valve Interstitial Cells: An Enzymatic Method to Isolate and Culture VICs from Mouse Aortic Valve
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2025
In this video, we demonstrate the isolation of aortic valve interstitial cells from the heart of an adult mouse using a two-step collagenase procedure and their subsequent culture in low volume of growth media.
10:51
A System for ex vivo Culturing of Embryonic Pancreas
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Cited by 24 •
2012
Here, we describe a method for isolation, culture and manipulation of mouse embryonic pancreas. This represents an excellent ex vivo system for studying various aspects of pancreatic development, including morphogenesis, differentiation and growth. Pancreatic bud explants can be cultured for several days and used in a range of different applications, including whole-mount immunofluorescence and live imaging.
FAQs
Epithelial-to-mesenchymal transition changes selected endocardial cells from an epithelial state into migratory mesenchymal cells. This shift enables them to leave the endocardial surface, enter the developing endocardial cushions, and participate in tissue formation. Studying this transition helps researchers connect early cellular behavior with later valve architecture and identify developmental events that may contribute to congenital malformations.
Migration places the developing cells within the endocardial cushions, the tissue regions that are remodeled into valve leaflets. Their location allows them to contribute to extracellular matrix production and coordinated tissue organization. If migration or positioning is altered, the resulting architecture may not mature appropriately, making this process important for understanding how developmental errors affect cardiac valve formation.
Mechanical forces and developmental signals provide coordinated instructions that influence how embryonic valve cells organize and mature. These inputs help align cellular behavior with the changing structure and function of the developing heart. Examining their combined effects is important because valve formation depends not only on cell identity, but also on how cells respond to their physical and developmental environment.
Extracellular matrix produced by developing cells is progressively remodeled within the endocardial cushions. This remodeling converts an initially developing tissue structure into flexible valve leaflets capable of supporting one-way blood flow. The process links cell activity to tissue-level function, so abnormal matrix production or organization can provide a useful framework for investigating altered valve maturation and developmental disease mechanisms.
Researchers examine embryonic valve cells through experimental models of cardiovascular development, focusing on their transition, migration, matrix production, and responses to mechanical or developmental cues. These models can connect cellular events with changes in valve structure and maturation. Such information helps clarify normal developmental sequences and provides context for investigating congenital valve malformations and disease mechanisms.
These studies can identify how disrupted cellular transitions, migration, extracellular matrix remodeling, or responses to developmental signals may alter valve architecture. Comparing normal developmental processes with abnormal outcomes helps researchers trace malformations back to specific stages of tissue formation. The resulting knowledge supports a more mechanistic understanding of congenital valve defects rather than viewing them only as structural abnormalities.
Their developmental behavior offers a biological reference for designing approaches that reproduce valve formation, including organized matrix production and tissue remodeling. Research can use these cellular principles to evaluate experimental strategies for creating or repairing valve tissue. Although developmental studies do not by themselves establish a therapy, they provide mechanisms and outcomes that guide tissue engineering and regenerative research.