Cardiomyocyte Yield
Cardiomyocyte Yield - Related Videos
01:31
ATP Yield
0 Views •
2019
Cellular respiration produces 30 - 32 ATP per glucose molecule. Although most of the ATP results from oxidative phosphorylation and the electron transport chain (ETC), 4 ATP are gained beforehand (2 from glycolysis and 2 from the citric acid cycle). The ETC is embedded in the inner mitochondrial membrane and is comprised of four main protein complexes and an ATP synthase. NADH and FADH2 pass electrons to these complexes, which pump protons into the intermembrane space. This distribution of...
02:22
Reaction Yield
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2020
The theoretical yield of a reaction is the amount of product estimated to form based on the stoichiometry of the balanced chemical equation. The theoretical yield assumes the complete conversion of the limiting reactant into the desired product. The amount of product that is obtained by performing the reaction is called the actual yield, and it may be less than or (very rarely) equal to the theoretical yield. Percent Yield In the case of chemical reactions, the actual yield of the product is...
07:05
Isolation and Cryopreservation of Neonatal Rat Cardiomyocytes
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Cited by 54 •
2015
The isolation of neonatal rat cardiomyocytes is a time consuming and unpredictable procedure. This study describes methods for cryopreservation and thawing of neonatal rat cardiomyocytes that allows for more efficient use of cells. The thawed NRCMs can be used for various experiments without the need for performing isolations each time.
08:42
Isolation, Culture and Transduction of Adult Mouse Cardiomyocytes
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Cited by 36 •
2016
This protocol describes a step-by-step method for the reproducible isolation and long-term culture of adult mouse cardiomyocytes with high yield, purity, and viability.
08:03
Simultaneous Assessment of Cardiomyocyte DNA Synthesis and Ploidy: A Method to Assist Quantification of Cardiomyocyte Regeneration and Turnover
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Cited by 23 •
2016
Quantification of cardiomyocyte turnover is challenging. The protocol described here makes an important contribution to this challenge by enabling accurate and sensitive quantification of neo-cardiomyocyte nuclei generation and nuclei ploidy.
FAQs
Stem cell expansion determines how many starting cells are available, while directed differentiation influences how many of those cells acquire cardiomyocyte identity. These stages affect yield through different mechanisms: expansion changes the input population, whereas differentiation changes the fraction adopting the desired cardiac fate. Evaluating both stages helps researchers identify whether low production reflects insufficient starting material or inefficient lineage specification.
Cell survival affects the number of cardiomyocytes remaining after production, even when differentiation successfully establishes cardiomyocyte identity. A procedure may generate an appropriate cardiac population but still produce a lower final yield if many cells do not persist. Including survival in yield assessment therefore helps distinguish limitations in cell generation from losses that occur during culture or subsequent handling.
Purification can alter both the number and composition of the recovered cell population. Removing unwanted cells may reduce the total number collected while increasing the relative representation of cardiomyocytes. Consequently, researchers should interpret yield in relation to the starting population and the purification stage, particularly when comparing procedures that differ in how extensively they enrich for cardiomyocyte identity.
Optimization should examine stem cell expansion, directed differentiation, cell survival, and purification as connected stages rather than treating production as a single event. Researchers can compare culture conditions and differentiation methods by tracking how each stage affects the recovered cardiomyocyte population. This approach supports more reproducible decisions about which process changes improve output, enrichment, or both.
A practical assessment follows the cell population from its starting point through stem cell expansion, directed differentiation, survival during culture, and any purification step. Researchers then determine how many cells are recovered and how strongly the population represents cardiomyocytes relative to the initial material. Recording these stages separately helps reveal where production changes and improves comparisons between experiments.
Cardiomyocyte yield is useful when researchers need consistent cardiac cell production for disease modeling, drug screening, tissue engineering, or regenerative biology. It provides a way to evaluate whether a culture or differentiation procedure supplies enough appropriate cells for the intended study. Reliable measurements also support interpretation of cardiac development and therapeutic experiments by making production differences easier to recognize.