MicroRNA Profiling during Cardiomyocyte-Specific Differentiation of Murine Embryonic Stem Cells Based on Two Different miRNA Array Platforms
2011

MicroRNA Profiling in Cardiomyocyte Differentiation

publication Evidence: moderate

Author Information

Author(s): Gan Lin, Schwengberg Silke, Denecke Bernd

Primary Institution: Interdisciplinary Centre for Clinical Research (IZKF) Aachen, RWTH Aachen University, Aachen, Germany

Hypothesis

Profiling miRNA expression during differentiation of embryonic stem cells will help to understand the regulation pathway of differentiation.

Conclusion

The study identified 50 miRNAs that are regulated during cardiomyocyte-specific differentiation and maturation of murine embryonic stem cells.

Supporting Evidence

  • Fifty platform and pre-processing method-independent miRNAs were identified as being regulated during the differentiation and maturation processes.
  • The study demonstrated that the Affymetrix platform was more sensitive in detecting regulation of miRNA expression compared to the Febit platform.
  • The identified miRNAs could serve as potential therapeutic targets for heart diseases.

Takeaway

Scientists studied tiny molecules called miRNAs to see how they help stem cells turn into heart cells. They found 50 important miRNAs that change when the cells become heart cells.

Methodology

The study used two high-throughput miRNA array platforms (Affymetrix and Febit) to profile miRNA expression at four time points during differentiation.

Potential Biases

Potential bias due to the use of only two platforms for miRNA profiling.

Limitations

The study's findings may be influenced by the differences in platform sensitivity and normalization methods.

Participant Demographics

Murine embryonic stem cells were used in the study.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0025809

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