Dengue Virus Infection Liver Organoids
Source Li et al., 2025 · State Key Laboratory of Pathogen and Biosecurity, Academy of Military Medical Sciences, Beijing, China · 10.1038/s41467-025-63323-3
Abstract
This protocol describes the generation of functional human pluripotent stem cell-derived liver organoids (hPLOs) containing multiple liver cell types, their characterization, and their application as a platform for modeling dengue virus infection and screening antiviral compounds. hPLOs support productive DENV-2 infection with severe morphological and cellular changes, mimicking clinical dengue pathology.
Protocol overview
36 steps across 8 phases
- a Prepare hPSC cultures in E8 medium
- b Plate hPSC aggregates and initiate DE differentiation
- c Treat cells with DE medium
- a Switch to HS medium
- a Dissociate and prepare cells for 3D embedding
- b Embed HS cells in Matrigel domes
- c Culture early hPLOs in basal differentiation medium (BDM)
- d Passage early hPLOs
- e Cryopreserve early hPLO fragments
- a Pretreat early hPLOs with maturation-promoting medium
- b Dissociate and re-aggregate for mature organoid formation
- c Culture in mature hepatocyte medium (MHM) with initial supplements
- d Switch to final mature hepatocyte medium with metabolic factors
- a Perform whole-mount immunofluorescence staining
- b Assess glycogen storage by PAS staining
- c Evaluate indocyanine green (ICG) uptake and release
- d Assess bile canalicular transport by CDFDA staining
- e Evaluate MDR1 transporter activity by Rhodamine 123 assay
- f Measure CYP3A4 and CYP2C9 activity
- g Quantify secreted proteins and metabolites
- h Assess cell viability and cytotoxicity by LDH assay
- a Prepare DENV-2 virus inoculum
- b Prepare hPLO fragments for infection
- c Inoculate hPLO fragments with DENV-2
- d Remove inoculum and wash
- e Re-embed infected fragments in Matrigel
- f Culture infected organoids
- g Prepare MOCK (control) group
- a Prepare drug-treated infected organoid cultures
- b Monitor organoid morphology and health
- c Assess functional rescue by PAS staining
- d Measure metabolic enzyme activity
- e Quantify albumin and urea secretion
- a Extract viral RNA from culture supernatant
- b Perform real-time quantitative RT-qPCR
- c Determine viral titers by plaque assay
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Attribution
This SOP was written by Organthis based on the published method in Li et al., 2025. Once the originating laboratory has confirmed it, the SOP is marked Verified.
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