Liver Organoids for Drug Screening (2023)
Source Wu et al., 2023 · Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences · 10.1186/s13619-022-00148-1
Abstract
This protocol describes the generation of functional human liver organoids (HLOs) from human induced pluripotent stem cells (hiPSCs) containing multiple hepatic cell types including hepatocytes, stellate cells, and Kupffer cells. HLOs are used to model diverse phenotypes of drug-induced liver injury (steatosis, fibrosis, and immune responses) and to enable high-throughput screening for anti-fibrotic compounds.
Protocol overview
38 steps across 10 phases
- a Cell seeding and plate preparation
- b Day 1 medium change
- c Day 2 medium change
- d Day 3 medium change
- e Day 4-6 foregut specification medium
- a Harvest foregut cells
- b Embed foregut cells in Matrigel with RA medium
- c Medium switch to liver maturation medium
- d Culture until day 20
- a Harvest and dissociate foregut cells
- b Embed cells in Matrigel with 5-factor expansion medium
- c Switch to RA medium
- d Re-embed organoids in liver maturation medium
- e Final maturation culture
- a Prepare APAP treatment concentrations
- b Incubate HLOs with APAP
- c Assess toxicity readouts
- a Prepare FIAU treatment concentrations
- b Incubate HLOs with FIAU
- c Assess steatosis and mitochondrial function
- a Prepare MTX treatment concentrations
- b Incubate HLOs with MTX
- c Assess steatosis, fibrosis, and gene expression
- a Prepare TAK-875 treatment concentrations
- b Incubate HLOs with TAK-875
- c Assess oxidative stress and immune response
- a Prepare TGFβ or LPS treatment solutions
- b Incubate HLOs with fibrogenic factors
- c Assess fibrosis and collect samples
- a Prepare compound library and treatment solutions
- b Incubate HLOs with compounds and TGFβ
- c Fix and stain organoids for Collagen I
- d High-content image acquisition and analysis
- e Candidate compound validation
- a Prepare MTX + compound treatment
- b Prepare LPS + compound treatment
- c Assess compound efficacy in MTX model
- d Assess compound efficacy in LPS model
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Attribution
This SOP was written by Organthis based on the published method in Wu et al., 2023. Once the originating laboratory has confirmed it, the SOP is marked Verified.
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