Organoid-Immune Co-Cultures: A Next-Generation approach to disease modeling

Area of Science:

• Cancer Research
• Immunology
• 3D Organoid Models

Background:

• Organoids offer a more accurate representation of the tumor microenvironment (TME) than traditional models.
• They enable detailed study of cancer cell and immune system interactions.

Purpose of the Study:

• To review the advancements and applications of organoid co-culture systems with immune cells in cancer research and immunology.
• To highlight the potential of these models in studying immune responses, immune evasion, and immunotherapy effectiveness.

Main Methods:

• Co-culturing organoids derived from primary tumors or stem cells with various immune cells (T cells, TILs, PBMCs, NK cells, etc.).
• Utilizing organoids from intestinal, pancreatic, brain, liver, and cervical tissues for specific disease modeling.
• Reviewing studies on immunotherapy assessment, drug evaluation, and vaccine development using organoid platforms.

Main Results:

• Organoid initiation success rates average 36.8% across 13 tumor types.
• Organoid co-cultures facilitate the study of immune responses, immune evasion mechanisms, and TME influence on immune cells.
• Examples include modeling graft-versus-host disease, investigating pancreatic cancer immunosuppression, evaluating engineered T cells for neuroblastoma, and assessing drug responses in colon cancer.

Conclusions:

• Organoid co-culture systems represent a significant advancement for in vitro cancer research and immunology.
• Despite challenges in generation efficiency and TME mimicry, ongoing innovations promise improved functionality and clinical relevance.
• These models are crucial for understanding disease mechanisms, evaluating immunotherapies, and advancing preclinical drug and vaccine development.