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Micro‐Engineered Organoid‐on‐a‐Chip Based on Mesenchymal Stromal Cells to Predict Immunotherapy Responses of HCC Patients
Hepatocellular carcinoma (HCC) is one of the most lethal cancers worldwide. Patient‐derived organoid (PDO) has great potential in precision oncology, but low success rate, time‐consuming culture, and lack of tumor microenvironment (TME) limit its application. Mesenchymal stromal cells (MSC) accumulate in primary site to support tumor growth and recruit immune cells to form TME. Here, MSC and peripheral blood mononuclear cells (PBMC) coculture is used to construct HCC organoid‐on‐a‐chip mimicking original TME and provide a high‐throughput drug‐screening platform to predict outcomes of anti‐HCC immunotherapies. HCC‐PDOs and PBMC are co‐cultured with MSC and Cancer‐associated fibroblasts (CAF). MSC increases success rate of biopsy‐derived PDO culture, accelerates PDO growth, and promotes monocyte survival and differentiation into tumor‐associated macrophages. A multi‐layer microfluidic chip is designed to achieve high‐throughput co‐culture for drug screening. Compared to conventional PDOs, MSC‐PDO‐PBMC and CAF‐PDO‐PBMC models show comparable responses to chemotherapeutic or targeted anti‐tumor drugs but more precise prediction potential in assessing patients’ responses to anti‐PD‐L1 drugs. Moreover, this microfluidic platform shortens PDO growth time and improves dimensional uniformity of organoids. In conclusion, the study successfully constructs microengineered organoid‐on‐a‐chip to mimic TME for high‐throughput drug screening, providing novel platform to predict immunotherapy response of HCC patients.
Micro‐Engineered Organoid‐on‐a‐Chip Based on Mesenchymal Stromal Cells to Predict Immunotherapy Responses of HCC Patients
Hepatocellular carcinoma (HCC) is one of the most lethal cancers worldwide. Patient‐derived organoid (PDO) has great potential in precision oncology, but low success rate, time‐consuming culture, and lack of tumor microenvironment (TME) limit its application. Mesenchymal stromal cells (MSC) accumulate in primary site to support tumor growth and recruit immune cells to form TME. Here, MSC and peripheral blood mononuclear cells (PBMC) coculture is used to construct HCC organoid‐on‐a‐chip mimicking original TME and provide a high‐throughput drug‐screening platform to predict outcomes of anti‐HCC immunotherapies. HCC‐PDOs and PBMC are co‐cultured with MSC and Cancer‐associated fibroblasts (CAF). MSC increases success rate of biopsy‐derived PDO culture, accelerates PDO growth, and promotes monocyte survival and differentiation into tumor‐associated macrophages. A multi‐layer microfluidic chip is designed to achieve high‐throughput co‐culture for drug screening. Compared to conventional PDOs, MSC‐PDO‐PBMC and CAF‐PDO‐PBMC models show comparable responses to chemotherapeutic or targeted anti‐tumor drugs but more precise prediction potential in assessing patients’ responses to anti‐PD‐L1 drugs. Moreover, this microfluidic platform shortens PDO growth time and improves dimensional uniformity of organoids. In conclusion, the study successfully constructs microengineered organoid‐on‐a‐chip to mimic TME for high‐throughput drug screening, providing novel platform to predict immunotherapy response of HCC patients.
Micro‐Engineered Organoid‐on‐a‐Chip Based on Mesenchymal Stromal Cells to Predict Immunotherapy Responses of HCC Patients
Zou, Zhengyu (author) / Lin, Zhun (author) / Wu, Chenglin (author) / Tan, Jizhou (author) / Zhang, Jie (author) / Peng, Yanwen (author) / Zhang, Kunsong (author) / Li, Jiaping (author) / Wu, Minhao (author) / Zhang, Yuanqing (author)
Advanced Science ; 10
2023-09-01
12 pages
Article (Journal)
Electronic Resource
English
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