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通过 3D 生物打印模拟肿瘤微环境:3D 癌症建模。

Mimicking tumor microenvironment by 3D bioprinting: 3D cancer modeling.

机构信息

Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502284, Telangana, India.

Department of Biomaterials, Science and Technology, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7500AE Enschede, The Netherlands.

出版信息

Biofabrication. 2022 May 31;14(3). doi: 10.1088/1758-5090/ac6d11.

Abstract

The tumor microenvironment (TME) typically comprises cancer cells, tumor vasculature, stromal components like fibroblasts, and host immune cells that assemble to support tumorigenesis. However, preexisting classic cancer models like 2D cell culture methods, 3D cancer spheroids, and tumor organoids seem to lack essential TME components. 3D bioprinting offers enormous advantages for developingtumor models by allowing user-controlled deposition of multiple biomaterials, cells, and biomolecules in a predefined architecture. This review highlights the recent developments in 3D cancer modeling using different bioprinting techniques to recreate the TME. 3D bioprinters enable the fabrication of high-resolution microstructures to reproduce TME intricacies. Furthermore, 3D bioprinted models can be applied as a preclinical model for versatile research applications in the tumor biology and pharmaceutical industries. These models provide an opportunity to develop high-throughput drug screening platforms and can further be developed to suit individual patient requirements hence giving a boost to the field of personalized anti-cancer therapeutics. We underlined the various ways the existing studies have tried to mimic the TME, mimic the hallmark events of cancer growth and metastasis within the 3D bioprinted models and showcase the 3D drug-tumor interaction and further utilization of such models to develop personalized medicine.

摘要

肿瘤微环境(TME)通常包括癌细胞、肿瘤血管、成纤维细胞等基质成分以及聚集在一起支持肿瘤发生的宿主免疫细胞。然而,现有的经典癌症模型,如二维细胞培养方法、三维肿瘤球体和肿瘤类器官,似乎缺乏必要的 TME 成分。3D 生物打印通过允许用户在预定架构中控制多种生物材料、细胞和生物分子的沉积,为开发肿瘤模型提供了巨大的优势。本综述强调了使用不同生物打印技术进行 3D 癌症建模以重现 TME 的最新进展。3D 生物打印机能够制造出高分辨率的微结构,以重现 TME 的复杂性。此外,3D 生物打印模型可用作临床前模型,用于肿瘤生物学和制药行业的各种研究应用。这些模型为开发高通量药物筛选平台提供了机会,并可以进一步开发以满足个体患者的需求,从而推动个性化抗癌治疗领域的发展。我们强调了现有研究试图模拟 TME 的各种方法,模拟 3D 生物打印模型中癌症生长和转移的标志性事件,并展示了 3D 药物-肿瘤相互作用以及进一步利用这些模型开发个性化药物。

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