Intestinal Organoids for Regeneration and Disease Modelling
Source Fujii et al., 2018 · Keio University School of Medicine · 10.1016/j.stem.2018.11.016
Abstract
This protocol describes the culture of human intestinal organoids using a refined niche-inspired condition combining IGF-1 and FGF-2 in place of conventional p38 inhibitor-based media. The optimized culture condition preserves cellular diversity (stem cells, Paneth, goblet, and enteroendocrine cells) while maintaining long-term self-renewal capacity, enabling in vivo-relevant modeling of normal and diseased intestinal tissues.
Protocol overview
26 steps across 5 phases
- a Tissue Collection and Storage
- b Remove Stromal Tissue
- c Wash Epithelial Fragments
- d EDTA Treatment for Crypt Release
- e Collect Released Crypts
- a Prepare Basal Medium
- b Prepare Expansion Medium (IGF-1/FGF-2 Refined Condition)
- c Embed Crypts in Matrigel
- d Overlay with Culture Medium
- a Maintain Organoids at 37°C with 5% CO₂
- b Perform Weekly Passaging
- c Prepare Medium for Subsequent Passages (Remove EGF)
- d Monitor Long-Term Culture
- a Harvest Organoids from Matrigel
- b Fix Organoids
- c Permeabilize Organoids
- d Block Non-specific Binding
- e Primary Antibody Incubation
- f Wash and Secondary Antibody Incubation
- g Mount and Image
- h Confirm Cell Type Presence
- a Dissociate Organoids into Single Cells
- b Filter Single-Cell Suspension
- c Count and Plate Single Cells
- d Add Y-27632 (p160 ROCK Inhibitor) for Enhanced Recovery
- e Monitor Colony Formation
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Attribution
This SOP was written by Organthis based on the published method in Fujii et al., 2018. Once the originating laboratory has confirmed it, the SOP is marked Verified.
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