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IL-7 and CCL19-secreting CAR-T cell therapy for tumors with positive glypican-3 or mesothelin.

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机构: [1]Department of Radiology.Translational Medicine Center and GuangdongProvincial Education Department Key Laboratory of Nano‑ImmunoregulationTumor Microenvironment, the Second Affiliated Hospital of Guangzhou MedicalUniversity, Guangzhou, Guangdong, China [2]Key Laboratory of RegenerativeBiology, Guangdong Provincial Key Laboratory of Stem Cell and RegenerativeMedicine, Center for Cell Regeneration and Biotherapy, GuangzhouInstitutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou,China [3]University of Chinese Academy of Science, Beijing 100049,China [4]Department of Nutrition.Guangdong Provincial Key Laboratoryof Food, School of Public Health, Sun Yat-Sen University, Guangzhou, Guangdong,China [5]Department of Radiology, Qianjiang Central Hospital, Qianjiang,Hubei, China [6]Department of Radiology, Shunde Chinese Medicine Hospital,The Affiliated Hospital of Traditional Chinese Medicine University of Guangzhou,Foshan, China [7]Department of Pathology, The Second Affiliated Hospitalof Guangzhou Medical University, Guangzhou, Guangdong, China [8]GuangdongZhaotai Cell Biology Technology Ltd.,Guangzhou, China [9]GuangdongZhaotai InVivo Biomedicine Co.Ltd.,Guangzhou, China [10]The Second XiangyaHospital, Central South University, Changsha, China [11]Xiangya Hospital,Central South University, Changsha, China [12]Department of InterventionalRadiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou,China [13]Minimally Invasive Interventional Division.Department of MedicalImaging and Interventional Radiology.State Key Laboratory of Oncologyin South China, Sun Yat-Sen University Cancer Center, Guangzhou, China
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关键词: CAR-T cell IL-7 CCL19 Glypican-3 Mesothelin Pancreatic carcinoma Hepatocellular carcinoma Complete response

摘要:
Although chimeric antigen receptor (CAR)-engineered T cells have shown great success in the treatment of B cell malignancies, this strategy has limited efficacy in patients with solid tumors. In mouse CAR-T cells, IL-7 and CCL19 expression have been demonstrated to improve T cell infiltration and CAR-T cell survival in mouse tumors. Therefore, in the current study, we engineered human CAR-T cells to secrete human IL-7 and CCL19 (7 × 19) and found that these 7 × 19 CAR-T cells showed enhanced capacities of expansion and migration in vitro. Furthermore, 7 × 19 CAR-T cells showed superior tumor suppression ability compared to conventional CAR-T cells in xenografts of hepatocellular carcinoma (HCC) cell lines, primary HCC tissue samples and pancreatic carcinoma (PC) cell lines. We then initiated a phase 1 clinical trial in advanced HCC/PC/ovarian carcinoma (OC) patients with glypican-3 (GPC3) or mesothelin (MSLN) expression. In a patient with advanced HCC, anti-GPC3-7 × 19 CAR-T treatment resulted in complete tumor disappearance 30 days post intratumor injection. In a patient with advanced PC, anti-MSLN-7 × 19 CAR-T treatment resulted in almost complete tumor disappearance 240 days post-intravenous infusion. Our results demonstrated that the incorporation of 7 × 19 into CAR-T cells significantly enhanced the antitumor activity against human solid tumor. Trial registration: NCT03198546. Registered 26 June 2017, https://clinicaltrials.gov/ct2/show/NCT03198546?term=NCT03198546&draw=2&rank=1.© 2021. The Author(s).

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出版当年[2020]版:
大类 | 1 区 医学
小类 | 2 区 血液学 2 区 肿瘤学
最新[2025]版:
大类 | 1 区 医学
小类 | 1 区 血液学 1 区 肿瘤学
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出版当年[2019]版:
Q1 HEMATOLOGY Q1 ONCOLOGY
最新[2023]版:
Q1 HEMATOLOGY Q1 ONCOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2019版] 出版当年五年平均 出版前一年[2018版] 出版后一年[2020版]

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第一作者机构: [1]Department of Radiology.Translational Medicine Center and GuangdongProvincial Education Department Key Laboratory of Nano‑ImmunoregulationTumor Microenvironment, the Second Affiliated Hospital of Guangzhou MedicalUniversity, Guangzhou, Guangdong, China [4]Department of Nutrition.Guangdong Provincial Key Laboratoryof Food, School of Public Health, Sun Yat-Sen University, Guangzhou, Guangdong,China
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