Key result
P19CL6 cell line shows mixed muscle transcriptomes and loses beating phenotype after ~16 passages.
Why the study?
The phenotype and transcriptomic fidelity of P19CL6 cells as a model for cardiomyocytes were uncertain due to variable responses and mixed gene expression.
The P19CL6 cell line shows significant transcriptomic differences from actual cardiac tissue and phenotypic instability, indicating it should be used with caution as a cardiomyocyte model.
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P19CL6 should be avoided as a cardiomyocyte model; leaves open the need for validated alternatives in cardiac research.
Khodadadi et al. (2010) studied In vitro cardiomyocyte model. P19CL6 cell line vs. Native mouse cardiac and skeletal muscle tissue was evaluated on Transcriptome profile and beating phenotype. The P19CL6 cell line exhibits a mixed cardiac and skeletal muscle transcriptome and loses its beating phenotype after 16 passages, indicating it is not a robust model for cardiomyocytes.
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