Organoid co-culture models of the tumor microenvironment promote precision medicine

Cancer Innovation Pub Date : 2023-12-17 DOI:10.1002/cai2.101
Zhaoru Gu, Quanyou Wu, Bingqing Shang, Kaitai Zhang, Wen Zhang
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Abstract

In recent years, the three-dimensional (3D) culture system has emerged as a promising preclinical model for tumor research owing to its ability to replicate the tissue structure and molecular characteristics of solid tumors in vivo. This system offers several advantages, including high throughput, efficiency, and retention of tumor heterogeneity. Traditional Matrigel-submerged organoid cultures primarily support the long-term proliferation of epithelial cells. One solution for the exploration of the tumor microenvironment is a reconstitution approach involving the introduction of exogenous cell types, either in dual, triple or even multiple combinations. Another solution is a holistic approach including patient-derived tumor fragments, air-liquid interface, suspension 3D culture, and microfluidic tumor-on-chip models. Organoid co-culture models have also gained popularity for studying the tumor microenvironment, evaluating tumor immunotherapy, identifying predictive biomarkers, screening for effective drugs, and modeling infections. By leveraging these 3D culture systems, it is hoped to advance the clinical application of therapeutic approaches and improve patient outcomes.

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肿瘤微环境类器官共培养模型促进精准医疗的发展
近年来,三维(3D)培养系统因其能够复制体内实体瘤的组织结构和分子特征而成为一种前景广阔的肿瘤临床前研究模型。该系统具有高通量、高效率和保留肿瘤异质性等优点。传统的 Matrigel 浸没式类器官培养主要支持上皮细胞的长期增殖。探索肿瘤微环境的一种解决方案是重构方法,包括以双重、三重甚至多重组合方式引入外源细胞类型。另一种解决方案是整体方法,包括患者来源的肿瘤片段、气液界面、悬浮三维培养和微流控肿瘤芯片模型。类器官共培养模型在研究肿瘤微环境、评估肿瘤免疫疗法、确定预测性生物标记物、筛选有效药物和建立感染模型方面也很受欢迎。通过利用这些三维培养系统,有望推动治疗方法的临床应用,改善患者的预后。
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