Liver Organoids for Drug Screening (2021)
Source Don, 2021 · University of Cambridge, Department of Physiology, Development and Neuroscience · 10.1186/s13036019-0148-5
Abstract
This protocol describes the differentiation of human liver organoids from ductal/progenitor cells into functional hepatocyte organoids using chemically defined culture conditions. The differentiated organoids form bile canalicular structures and express hepatocyte markers, enabling their use as an in vitro system to model drug-induced liver injury including cholestasis and steatosis.
Protocol overview
25 steps across 4 phases
- a Tissue preparation and mincing
- b Enzymatic digestion
- c Hand-picking ductal fragments
- d Embedding in BME and seeding
- e Organoid culture initiation
- f Organoid growth and passaging
- g Organoid maintenance and cryopreservation
- a Pre-differentiation preparation
- b Mechanical dissociation and splitting
- c DM medium differentiation (Standard protocol)
- d DM+ medium differentiation (Enhanced protocol with WNT modulation)
- e DM+VP medium differentiation (Enhanced protocol with YAP inhibition)
- f Organoid assessment and imaging
- a Immunofluorescence staining for hepatocyte markers
- b Bile acid transport assay (CMFDA secretion)
- c Cell viability assay (Live/Dead staining)
- d 3D cell viability assay (CellTiter-Glo)
- e Total bile acid measurement
- f Albumin secretion ELISA
- g CYP3A4 activity assay
- a Organoid drug treatment preparation
- b Cholestasis phenotype assessment - CMFDA intracellular accumulation
- c Steatosis phenotype assessment - lipid staining
- d Cell viability assessment after drug treatment
- e Gene expression analysis of drug response
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Attribution
This SOP was written by Organthis based on the published method in Don, 2021. Once the originating laboratory has confirmed it, the SOP is marked Verified.
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