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ATAC-seq in human iPSC-derived cardiomyocytes (CMs)

ABSTRACT: ATAC-seq in human iPSC-derived cardiomyocytes (CMs)

PROVIDER: PRJEB37961 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR4057001.fastq.gz	Fastqsanger.gz
	ERR4057002.fastq.gz	Fastqsanger.gz
	ERR4057003.fastq.gz	Fastqsanger.gz
	ERR4057004.fastq.gz	Fastqsanger.gz
	ERR4057005.fastq.gz	Fastqsanger.gz

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ATAC-seq in human iPSC-derived cardiomyocytes (CMs)

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Project description:The generation of human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) offers an unlimited source of patient-specific human cardiomyocytes. However, the use of iPSC-CM in vitro-models to guide the clinic selection of particular drugs for individual patients remains a vision. A major limitation represents the immature phenotype of iPSC-CMs, which alters their sensitivity towards physiological and pathophysiological stimuli, cardioactive drugs or toxic substances, in comparison to adult cardiomyocytes (CMs). In this study, we aim to generate iPSC-CMs with an advanced maturation state by combining the use of MM with the alignment of the cells on nanopatterned surfaces (NP) and induction of an increased contractile workload by electrical stimulation (ES). Under the combined influence of MM, NP and ES, iPSC-CMs develop a more complex cellular structure, increased mitochondrial content and enhanced electrophysiological properties. Furthermore, the response of iPSC-CMs matured under influence of MM, NP and ES to isoprenaline as well as verapamil differs to less mature iPSC-CMs cultured in B27-medium. Taken together, our results reveal that the combination of MM, NP and ES strongly improves the maturation state of iPSC-CMs and that this advanced maturation state critically affects the cell behavior in functional studies as well as response to cardioactive drugs.

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