Modeling drug-induced liver injury and screening for anti-hepatofibrotic compounds using human PSC-derived organoids
Source Wu et al., 2023 · Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences · 10.1186/s13619-022-00148-1
Abstract
This protocol describes the generation of human liver organoids (HLOs) from human induced pluripotent stem cells (iPSCs) and their application in modeling drug-induced liver injury (DILI) and screening for anti-hepatofibrotic compounds. HLOs contain multiple cell types including hepatocytes, stellate cells, and Kupffer cells, enabling the recapitulation of steatosis, fibrosis, and immune responses induced by drugs such as acetaminophen, fialuridine, methotrexate, and TAK-875. A high-content imaging system enables high-throughput screening of candidate anti-fibrotic compounds, with SD208 and Imatinib identified as effective suppressors of fibrogenesis.
Protocol overview
45 steps across 10 phases
- 1 Seed hiPSCs on Geltrex-coated plates
- 2 Day 1 medium change with Activin A and BMP4
- 3 Day 2 medium change with Activin A and 0.2% FBS
- 4 Day 3 medium change with Activin A and 2% FBS
- 5 Days 4-6 culture in Advanced DMEM/F12 with growth factors
- 1 Dissociate foregut cells and embed in Matrigel
- 2 Culture in RA medium for 4 days
- 3 Switch to liver maturation medium (Days 10-20)
- 1 Dissociate foregut cells with accutase and embed in 5F medium
- 2 Maintain in 5F medium for 4 days
- 3 Switch to RA medium for 4 days
- 4 Harvest and re-embed organoids
- 5 Culture in liver maturation medium for 10 days
- 1 Prepare APAP treatment medium
- 2 Treat HLOs with APAP for 7 days
- 3 Harvest organoids for downstream analysis
- 1 Prepare FIAU treatment medium
- 2 Treat HLOs with FIAU for 10 days (daily dosing)
- 3 Harvest and stain for lipid accumulation and mitochondrial potential
- 1 Prepare MTX treatment medium
- 2 Treat HLOs with MTX for 7 days
- 3 Harvest for lipid, collagen, and gene expression analysis
- 1 Prepare TAK-875 treatment medium
- 2 Treat HLOs with TAK-875 for 7 days
- 3 Harvest and analyze ROS, cytokine release, and albumin
- 1 Prepare fibrogenic stimulus medium
- 2 Treat HLOs with fibrogenic stimulus for 3 days
- 3 Harvest for Collagen I staining and gene expression analysis
- 1 Prepare HLOs with fibrogenic stimulus and test compounds
- 2 Culture for 3 days (TGFβ model) or 9 days (MTX or LPS models)
- 3 Stain for Collagen I and acquire high-content images
- 4 Extract features and perform tSNE analysis
- 5 Validate lead compounds with gene expression analysis
- 6 Confirm anti-fibrotic effects with Collagen I staining
- 1 Albumin secretion by ELISA
- 2 ATP content measurement
- 3 Reactive Oxygen Species (ROS) staining with CellROX
- 4 Mitochondrial membrane potential staining with TMRM
- 5 Lipid accumulation staining with Bodipy
- 6 Immunofluorescence staining for cell-type markers
- 7 CDCFDA uptake and release assay for bile canaliculi function
- 8 LDL uptake assay
- 9 Glycogen accumulation assessment by PAS staining
- 10 Gene expression analysis by RT-qPCR
- 11 Cytokine release measurement (MCP-1, IL-6) by ELISA
Full SOP
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Attribution
This SOP was authored by Organthis based on the published method in Wu et al., 2023. The originating laboratory holds no rights in this SOP and has not endorsed it unless marked Verified.
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