Recapitulating the tumor microenvironment in a dish, one cell type at a time
1Department of Hematology, Oncology, and Tumor Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin Institute of Health, Berlin, Germany; Berlin Institute for Medical Systems Biology (BIMSB), Max Delbrück Center for Molecular Medicine, Berlin, Germany; German Cancer Consortium (DKTK), Partner Site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany.
Cell Reports Methods
|June 18, 2024
Summary
Researchers optimized 3D tumor organoids to study interactions between tumor cells and tumor-associated macrophages. This model helps understand how these cells influence tumor biology in vitro.
Area of Science:
- Oncology
- Cell Biology
- Biotechnology
Background:
- The tumor microenvironment (TME) comprises diverse cell types influencing tumor progression.
- Understanding cell-cell interactions within the TME is crucial for cancer research.
Purpose of the Study:
- To standardize and optimize 3D tumor organoids for modeling TME components.
- To investigate in vitro interactions between tumor cells and tumor-associated macrophages (TAMs).
Main Methods:
- Development and validation of a 3D organoid culture system.
- Co-culture of tumor cells with primary or differentiated TAMs within the organoid model.
- Assessment of cellular interactions and their impact on tumor biology.
Main Results:
- Established a reproducible 3D organoid model for studying tumor-macrophage crosstalk.
- Demonstrated the utility of the model in recapitulating key aspects of in vitro tumor-macrophage interactions.
- Provided a standardized platform for future TME research.
Conclusions:
- Optimized 3D organoids offer a powerful tool for dissecting complex cellular interactions in the TME.
- This model system facilitates the study of tumor-associated macrophages and tumor cell communication.
- The standardized approach enables robust investigation of TME dynamics.


