Human ESC-derived expandable hepatic organoids (hEHOs) for hepatic differentiation and alcoholic liver disease modeling
Source Wang et al., 2019 · Beijing Institute of Health Service and Transfusion Medicine · 10.1038/s41422-019-0242-8
Abstract
This protocol describes the generation of human embryonic stem cell-derived expandable hepatic organoids (hEHOs) using chemically defined, serum-free media. The hEHOs maintain bipotential hepatic stem/progenitor cell phenotypes, expand for over 20 passages, and can differentiate into functional hepatocytes or cholangiocytes. When co-cultured with human fetal liver mesenchymal cells (hFLMCs), the resulting hFLMC/hEHO model system recapitulates alcoholic liver disease-associated pathophysiology including oxidative stress, steatosis, inflammation, and fibrosis.
Protocol overview
30 steps across 7 phases
- 1 Maintain H9 human ESCs in feeder-free conditions
- 2 Induce definitive endoderm differentiation—Day 1
- 3 Continue DE induction—Days 2–3
- 1 Initiate hepatic specification with BMP4 and FGF2
- 2 Dissociate HS cells into single cells
- 1 Embed HS cells in Matrigel droplets
- 2 Add organoid formation medium (NBNiGNaEWRAF)
- 3 Monitor organoid formation
- 4 Passage hEHOs every 7–9 days
- 5 Cryopreserve hEHOs
- 1 Pretreat hEHOs with growth factors
- 2 Dissociate pretreated hEHOs and form 3D aggregates
- 3 Culture aggregates in hepatocyte maturation medium—Phase 1 (3 days)
- 4 Culture aggregates in hepatocyte maturation medium—Phase 2 (8 days)
- 1 Dissociate hEHOs into single cells
- 2 Resuspend cells in type I collagen and prepare culture wells
- 3 Culture in cholangiocyte differentiation medium
- 1 Isolate and prepare hFLMCs
- 2 Coat wells with sterile agarose
- 3 Dissociate hEHOs and hFLMCs; resuspend at 2:1 ratio
- 4 Seed cells in agarose-coated wells and culture—Phase 1 (7 days)
- 5 Switch to maturation medium—Phase 2 (7 days)
- 6 Treat hFLMC/hEHO organoids with ethanol (EtOH) for ALD modeling
- 7 Assess ALD-related pathophysiology at day 7 of EtOH treatment
- 1 Prepare FRG mice and NTBC treatment
- 2 Dissociate hEHOs and prepare cell suspension
- 3 Transplant hEHOs into liver parenchyma
- 4 Initiate NTBC withdrawal schedule
- 5 Monitor survival, weight, and serum markers
- 6 Harvest liver samples at 3 months post-transplantation
Full SOP
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Attribution
This SOP was authored by Organthis based on the published method in Wang et al., 2019. The originating laboratory holds no rights in this SOP and has not endorsed it unless marked Verified.
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