Antitumor activity of CAR-T cells targeting the intracellular oncoprotein WT1 can be enhanced by vaccination

Author:

Akahori Yasushi1,Wang Linan1,Yoneyama Motohiro1,Seo Naohiro1,Okumura Satoshi1,Miyahara Yoshihiro1,Amaishi Yasunori2,Okamoto Sachiko2,Mineno Junichi2,Ikeda Hiroaki13,Maki Takehiro4,Fujiwara Hiroshi5,Akatsuka Yoshiki6,Kato Takuma78,Shiku Hiroshi18

Affiliation:

1. Department of Immuno-Gene Therapy, Mie University Graduate School of Medicine, Mie, Japan;

2. Takara Bio Inc., Shiga, Japan;

3. Department of Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;

4. Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Hokkaido, Japan;

5. Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Ehime, Japan;

6. Department of Hematology and Oncology, Fujita Health University, Toyoake, Aichi, Japan;

7. Department of Cellular and Molecular Immunology, Mie University Graduate School of Medicine, Mie, Japan; and

8. Center for Comprehensive Cancer Immunotherapy, Mie University, Mie, Japan

Abstract

Key Points T cells expressing a CAR consisting of scFv #213 targeting WT1 peptide/HLA-A*2402 complex killed HLA-A*2402+ WT1+ tumor cell lines. The therapeutic efficacy of #213 scFv CAR-T cells was shown to be enhanced by DC vaccine in a murine xenograft model.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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