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Reconfigurable Hanging Drop Microarray Platform for On-Demand Preparation and Analysis of Spheroid Array.
Hwisoo Kim1, Bumsoo Kim2, Soo Jee Kim1
1Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
Advanced Healthcare Materials
|May 31, 2024
Summary
This study introduces CLiCK-Spheroid, a novel 3D cell culture kit for high-throughput spheroid production and analysis. The platform enables controlled generation of diverse spheroid sizes and compositions for advanced cancer research.
Area of Science:
- Biotechnology
- Cancer Research
- 3D Cell Culture
Background:
- Growing demand for spheroid-based cancer research necessitates advanced platforms.
- Tumor size and composition critically impact internal structure and function.
- Need for scalable production of diverse spheroids.
Purpose of the Study:
- Introduce CLiCK-Spheroid, a configurable and linkable 3D cell culture kit.
- Facilitate high-throughput spheroid production and multiplexed analysis.
- Enable generation of size- and composition-gradient spheroid arrays.
Main Methods:
- Utilized a hanging drop microarray (HDMA) for homogeneous spheroid arrays.
- Combined HDMA with gradient blocks for one-step size-gradient spheroid generation.
- Employed a concave pillar microarray (CPMA) for spheroid compartmentalization and regrouping.
Main Results:
- Demonstrated necrotic core formation correlated with spheroid size using size-gradient arrays.
- Achieved high-throughput production of cell composition-gradient spheroid arrays.
- Observed variations in morphology and vascularization based on cell composition.
Conclusions:
- CLiCK-Spheroid offers a versatile platform for spheroid generation and analysis.
- Enables scalable production of diverse spheroids for cancer research.
- Facilitates multiplexed drug treatments and investigation of spheroid properties.
