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A Human Bone Marrow 3D Model to Investigate the Dynamics and Interactions Between Resident Cells in Physiological or Tumoral Contexts
Published on: December 16, 2022
Toward modeling the bone marrow niche using scaffold-based 3D culture systems
Nunzia Di Maggio1, Elia Piccinini, Maike Jaworski
1Departments of Surgery and of Biomedicine, Basel University Hospital, Basel, Switzerland.
Biomaterials
|October 19, 2010
Summary
Researchers developed a 3D scaffold system to mimic the bone marrow niche ex vivo. This model supports hematopoietic stem cell (HSC) maintenance and function, offering new avenues for stem cell research and therapies.
Area of Science:
- Biomaterials Science
- Stem Cell Biology
- Tissue Engineering
Background:
- Bone marrow niches regulate hematopoietic stem cell (HSC) maintenance and function via cellular crosstalk.
- In vivo studies provide insights, but an in vitro model is needed to control niche interactions.
- Previous work demonstrated 3D stromal tissue formation supporting hematopoiesis using perfusable scaffolds.
Purpose of the Study:
- To describe 3D scaffold-based perfusion systems as models for reconstructing the ex vivo bone marrow stem cell niche.
- To explore how culture parameters can be controlled to investigate HSC fate.
- To provide a perspective on applications in stem cell therapies and engineering other niches.
Main Methods:
- Utilizing perfusable porous scaffolds for cell culture.
- Incorporating bone marrow- or adipose tissue-derived cells.
- Forming organized 3D stromal tissue with mesenchymal and endothelial progenitors.
Main Results:
- Demonstrated the formation of a 3D stromal tissue capable of supporting hematopoiesis.
- Established a system for controlled investigation of HSC fate by manipulating culture parameters.
- Highlighted the potential of the model for studying niche-specific cues.
Conclusions:
- 3D scaffold-based perfusion systems offer a viable ex vivo model of the bone marrow stem cell niche.
- The system allows for controlled manipulation of factors influencing HSC fate.
- This approach has potential for advancing stem cell therapies and engineering specialized niches.
