Scalable production of tissue-like vascularized liver organoids from human PSCs
Source Harrison et al., 2023 · University of Oslo, Institute of Basic Medical Sciences, Hybrid Technology Hub-Centre of Excellence · 10.1038/s12276-023-01074-1
Abstract
This protocol describes a suspension-based, ECM-independent method for generating large quantities of vascularized liver organoids from human pluripotent stem cells using small-molecule patterning. The resulting organoids exhibit complex cellular repertoires including hepatocytes, cholangiocytes, endothelial cells, Kupffer cells, and stellate cells, with de novo vasculature and functional liver properties including drug metabolism, serum protein production, and coagulation factor synthesis.
Protocol overview
14 steps across 6 phases
- 1 Maintain hPSC lines in feeder-free conditions
- 2 Harvest cells with Accutase
- 1 Seed cells for aggregate formation
- 2 Allow cells to self-organize into aggregates
- 1 Prepare aggregates for differentiation
- 2 Initiate differentiation with CHIR99021
- 3 Remove CHIR99021 and continue differentiation
- 1 Switch to hepatic specification medium
- 2 Culture with medium changes
- 1 Prepare maturation medium
- 2 Resuspend aggregates in maturation medium
- 3 Perform medium exchanges
- 1 Continue maturation medium culture
- 2 Harvest organoids for analysis
Full SOP
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Attribution
This SOP was authored by Organthis based on the published method in Harrison et al., 2023. The originating laboratory holds no rights in this SOP and has not endorsed it unless marked Verified.
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