Journal
CELL AND BIOSCIENCE
Volume 12, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13578-022-00887-3
Keywords
3D cell culture; Multicellular tumor spheroid; Organoid; Liquid-based 3D culture; Scaffold-based 3D culture; Microfluidics; Bioprinting; Cancer
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Funding
- Institut de Cancerologie de l'Ouest, Saint-Herblain, France
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Cancer is a complex disease that requires multidimensional models to understand its development and drug response. Three-dimensional cell culture models, compared to traditional two-dimensional cultures, better mimic the biological behavior of tumor cells and provide a better platform for studying therapeutic escape and drug resistance.
Cancer is a multifactorial disease that is responsible for 10 million deaths per year. The intra- and inter-heterogeneity of malignant tumors make it difficult to develop single targeted approaches. Similarly, their diversity requires various models to investigate the mechanisms involved in cancer initiation, progression, drug resistance and recurrence. Of the in vitro cell-based models, monolayer adherent (also known as 2D culture) cell cultures have been used for the longest time. However, it appears that they are often less appropriate than the three-dimensional (3D) cell culture approach for mimicking the biological behavior of tumor cells, in particular the mechanisms leading to therapeutic escape and drug resistance. Multicellular tumor spheroids are widely used to study cancers in 3D, and can be generated by a multiplicity of techniques, such as liquid-based and scaffold-based 3D cultures, microfluidics and bioprinting. Organoids are more complex 3D models than multicellular tumor spheroids because they are generated from stem cells isolated from patients and are considered as powerful tools to reproduce the disease development in vitro. The present review provides an overview of the various 3D culture models that have been set up to study cancer development and drug response. The advantages of 3D models compared to 2D cell cultures, the limitations, and the fields of application of these models and their techniques of production are also discussed.
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