The importance of 3D cell culture in drug discovery and development

Abstract

Three-dimensional (3D) cell culture techniques represent a transformative advancement in biomedical research, particularly in drug discovery and development. By more closely replicating the physiological and microenvironmental conditions of in vivo tissues, 3D cell cultures enable more accurate assessments of drug efficacy, toxicity, and therapeutic potential compared to traditional two-dimensional (2D) cultures. These systems not only provide a more realistic model for preclinical testing but also allow for the study of complex cell-cell and cell-matrix interactions, which are often overlooked in 2D systems. This review provides a comprehensive examination of studies utilizing spheroids and organoids in 3D culture systems for drug screening and development. Furthermore, it highlights the critical role of these models in uncovering novel therapeutic targets, understanding disease mechanisms, and optimizing drug delivery strategies. Key challenges, such as scalability, standardization, and integration with high-throughput screening platforms, are also discussed. In conclusion, 3D cell culture techniques hold immense promise for revolutionizing the drug discovery pipeline, offering a more predictive and ethical approach to preclinical research while bridging the gap between laboratory findings and clinical outcomes.

Keywords

• 3D cell culture
• drug discovery
• organoids
• spheroid

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