A colorectal cancer 3D bioprinting workflow as a platform for disease modelling and chemotherapeutic screening
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ABSTRACT: We have established an affordable, flexible and highly reproducible 3D bioprinted CRC model. Histological assessment of Caco-2 cells in 3D bioprints revealed the formation of glandular-like structures which show greater pathomorphological resemblance to tumours than monolayer cultures do. RNA expression profiles in 3D bioprinted cells were marked by upregulation of genes involved in cell adhesion, hypoxia, EGFR/KRAS signaling and downregulation of cell cycle programmes. Testing this 3D experimental platform with three of the most commonly used chemotherapeutics in CRC (5-fluoruracil, oxaliplatin and irinotecan), revealed overall increased resistance compared to 2D cell cultures. Lastly, we demonstrate that our workflow can be successfully extended to primary CRC samples. Thereby, we describe a novel accessible platform for disease modelling and drug testing, which may present an innovative approach in personalised therapeutic screening.
ORGANISM(S): Homo sapiens
PROVIDER: GSE181722 | GEO | 2021/11/05
REPOSITORIES: GEO
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