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Tissue-Engineered 3D In Vitro Disease Models for High-Throughput Drug Screening
Huskin Gillian,Chen Jun,Davis Trenton,Jun Ho-Wook 한국조직공학과 재생의학회 2023 조직공학과 재생의학 Vol.20 No.4
During high-throughput drug screening, in vitro models are fabricated and the effects of therapeutics on the models evaluated in high throughput—for example, with automated liquid handling systems and microplate reader-based high-throughput screening (HTS) assays. The most frequently-used model systems for HTS, 2D models, do not adequately model the in vivo 3D microenvironment—an important aspect of which is the extracellular matrix—and therefore, 2D models may not be appropriate for drug screening. Instead, tissue-engineered 3D models with extracellular matrix-mimicking components are destined to become the preferred in vitro systems for HTS. However, for 3D models, such as 3D cell-laden hydrogels and scaffolds, cell sheets, and spheroids as well as 3D microfluidic and organ-on-a-chip systems, to replace 2D models in HTS, they must be compatible with high-throughput fabrication schemes and evaluation methods. In this review, we summarize HTS in 2D models and discuss recent studies that have successfully demonstrated HTS-compatible 3D models of high-impact diseases, such as cancers or cardiovascular diseases.