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Application of organoids. Organoids can be used as regenerative medicine for damaged tissues or for in vitro disease modeling to test the efficacy/toxicity of new drugs. For example, colon organoids can be transplanted into colon ulcer to reconstruct the colon epithelium (Left), and the advanced in vitro model system of cancer organoids with immune cells can be used to test the efficacy of drugs such as cancer immunotherapy (Right).
