Instituto Potosino de Investigacion Cientifica y Tecnologica, A.C. (IPICyT) 1 article published in JoVE Bioengineering Bioprintable Alginate/Gelatin Hydrogel 3D In Vitro Model Systems Induce Cell Spheroid Formation Tao Jiang*1, Jose Munguia-Lopez*2,3, Salvador Flores-Torres2, Joel Grant4, Sanahan Vijayakumar4, Antonio De Leon-Rodriguez3, Joseph M. Kinsella2,5 1Department of Mechanical Engineering, McGill University Montreal, 2Department of Bioengineering, McGill University Montreal, 3Department of Molecular Biology, Instituto Potosino de Investigación Científica y Tecnológica, A.C. (IPICyT), 4Department of Mining and Materials Engineering, McGill University Montreal, 5Department of Biomedical Engineering, McGill University Montreal We developed a heterogeneous breast cancer model consisting of immortalized tumor and fibroblast cells embedded in a bioprintable alginate/gelatin bioink. The model recapitulates the in vivo tumor microenvironment and facilitates the formation of multicellular tumor spheroids, yielding insight into the mechanisms driving tumorigenesis.
