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Heterogeneous liver tissues with biliary branching and vascular elements through organoid bioprinting

ABSTRACT: Heterogeneous liver tissues with biliary branching and vascular elements through organoid bioprinting

PROVIDER: PRJNA961081 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24287486_1.fastq.gz	Fastqsanger.gz
	SRR24287486_2.fastq.gz	Fastqsanger.gz
	SRR24287487_1.fastq.gz	Fastqsanger.gz
	SRR24287487_2.fastq.gz	Fastqsanger.gz
	SRR24287488_1.fastq.gz	Fastqsanger.gz

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Heterogeneous liver tissues with biliary branching and vascular elements through organoid bioprinting

Project description:Liver is dynamic, heterogeneous, and each cell type acts in concert to regulate its function. In vitro morphogenesis is limited, and self-assembled biliary and blood vessels system are absent from manufactured liver tissues. The combination of bioprinting and organoid technique offers spatial and cellular control over three-dimensional (3D) organ tissue manufacturing, allowing to build liver tissues with self-assembled structure in vitro. We developed a high-throughput PDMS microwell platform (PMP) generating uniform and functional hepatic organoid building blocks (HOBBs) which displayed cellular crosstalk and self-assembled structure. For bioprinting process, we developed three-level temperature control system and new quadratic material, i.e., alginate-gelatin-collagen-laminin (AGCL) biomaterial, realizing reproducible construction of liver tissues with requisite cellular density. Under long-term differentiation, bioprinted liver tissues exhibited enhanced hepatobiliary function, intrahepatic bile duct networks and angiogenic potential. To investigate the regulatory mechanisms of multicellular crosstalk and self-assembled of HOBBS, biliary branching morphogenesis, biomimetic liver tissue formation, and angiogenesis of HABs, transcriptome analysis was performed.

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