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Fabrication of hard tissue using dental cells derived from hiPSCs

ABSTRACT: Fabrication of hard tissue using dental cells derived from hiPSCs

PROVIDER: PRJNA906146 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22434628_1.fastq.gz	Fastqsanger.gz
	SRR22434628_2.fastq.gz	Fastqsanger.gz
	SRR22434629_1.fastq.gz	Fastqsanger.gz
	SRR22434629_2.fastq.gz	Fastqsanger.gz
	SRR22434630_1.fastq.gz	Fastqsanger.gz

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Fabrication of hard tissue using dental cells derived from hiPSCs

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Harnessing the dental cells derived from human induced pluripotent stem cells for hard tissue engineering.

Project description:IntroductionMost mineralized tissues in our body are present in bones and teeth. Human induced pluripotent stem cells (hiPSCs) are promising candidates for cell therapy to help regenerate bone defects and teeth loss. The extracellular matrix (ECM) is a non-cellular structure secreted by cells. Studies on the dynamic microenvironment of ECM are necessary for stem cell-based therapies.ObjectivesWe aim to optimize an effective protocol for hiPSC differentiation into dental cells without utilizing animal-derived factors or cell feeders that can be applied to humans and to mineralize differentiated dental cells into hard tissues.MethodsFor the differentiation of both dental epithelial cells (DECs) and dental mesenchymal cells (DMCs) from hiPSCs, an embryoid body (EB) was formed from hiPSCs. hiPSC were differentiated into neural crest cells with an induction medium utilized in our previous study, and hiPSC-derived DECs were differentiated with a BMP-modulated customized medium. hiPSC-dental cells were then characterized, analyzed, and validated with transcriptomic analysis, western blotting, and RT-qPCR. To form mineralized tissues, hiPSC-derived DECs were recombined with hiPSC-derived DMCs encapsulated in various biomaterials, including gelatin methacryloyl (GelMA), collagen, and agar matrix.ResultsThese hiPSC-derived dental cells are highly osteogenic and chondro-osteogenic in photocrosslinkable GelMA hydrogel and collagen type I microenvironments. Furthermore, hiPSC-derived dental cells in agar gel matrix induced the formation of a bioengineered tooth.ConclusionOur study provides an approach for applying hiPSCs for hard tissue regeneration, including tooth and bone. This study has immense potential to provide a novel technology for bioengineering organs for various regenerative therapies.

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