Heart Development
Heart Development - Related Videos
01:27
Development of the Heart
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2024
The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes. As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...
10:56
Analysis of Cardiomyocyte Development using Immunofluorescence in Embryonic Mouse Heart
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Cited by 9 •
2015
Mutations that lead to congenital heart defects benefit from in vivo investigation of cardiac structure during development, but high-resolution structural studies in the mouse embryonic heart are technically challenging. Here we present a robust immunofluorescence and image analysis method to assess cardiomyocyte-specific structures in the developing mouse heart.
04:58
Heart Dissection: A Method to Observe Zebrafish Cardiac Development
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2023
This video describes a technique of isolating the heart from a zebrafish at multiple developmental stages to study cardiac development, maturation, and ageing.
07:20
Cell Labeling and Injection in Developing Embryonic Mouse Hearts
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Cited by 3 •
2014
We describe a series of methods to inject dyes, DNA vectors, virus, and cells in order to monitor both cell fate and phenotype of endogenous and grafted cells derived from embryonic or pluripotent cells within mouse embryos at embryonic day (E)9.5 and later stages of development.
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.
FAQs
Each stage contributes a different part of the heart’s final architecture. Looping helps organize the primitive heart tube, while chamber formation, septation, and valve development establish distinct spaces and controlled pathways for circulation. Studying their sequence shows how embryonic structures become specialized tissues and explains why disruption at a particular stage can affect later heart organization.
Mesodermal progenitor cells provide the early cellular source for cardiac cells. Their progression toward a cardiac identity supplies the material that assembles into the primitive heart tube and later contributes to specialized cardiac tissues. Examining this transition helps researchers connect early embryonic cell decisions with the formation of the mature heart’s functional architecture.
Genetic and molecular signals coordinate when cardiac cells form, organize, and specialize. These signals help guide progression through tube assembly, looping, chamber formation, septation, and valve development rather than allowing the structures to arise independently. Investigating their effects can reveal how altered developmental instructions contribute to abnormal cardiac organization and congenital heart defects.
Developmental models allow researchers to examine cardiac formation across stages that are difficult to study directly in humans. By observing cell specialization, tube assembly, looping, chamber formation, septation, and valve development, investigators can test how genetic or environmental factors influence outcomes. These models connect developmental mechanisms with the origins of structural heart abnormalities.
They can identify when and how normal cardiac organization is disrupted. Comparing expected progression with altered outcomes helps researchers associate defects with problems in cardiac cell formation, tissue organization, looping, chamber development, septation, or valve formation. This developmental perspective is valuable because congenital abnormalities may originate before the heart reaches its mature structure.
Developmental knowledge provides a framework for generating and studying cardiac cells under controlled conditions. Researchers can use the principles of embryonic cell specialization and tissue organization to build disease models, examine abnormal cardiac processes, and guide efforts to produce cardiac cells for regenerative medicine. The goal is to apply developmental mechanisms to questions about disease and tissue restoration.