Minicircle DNA-Engineered CAR T Cells Suppressed Tumor Growth in Mice.

Abstract:

:Viral-based chimeric antigen receptor-engineered T (CAR T)-cell manufacturing has potential safety risks and relatively high costs. The nonviral minicircle DNA (mcDNA) is safer for patients, cheaper to produce, and may be a more suitable technique to generate CAR T cells. In this study, we produced mcDNA-based CAR T cells specifically targeting prostate stem cell antigen (PSCA; mcDNA-PSCA-CAR T cells). Our results showed that mcDNA-PSCA-CAR T cells persisted in mouse peripheral blood as long as 28 days and demonstrated more CAR T-cell infiltration, higher cytokine secretion levels, and better antitumor effects. Together, our results suggest that mcDNA-CAR can be a safe and cost-effective platform to produce CAR T cells.

journal_name

Mol Cancer Ther

authors

Han J,Gao F,Geng S,Ye X,Wang T,Du P,Cai Z,Fu Z,Zhao Z,Shi L,Li Q,Cai J

doi

10.1158/1535-7163.MCT-19-0204

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

178-186

issue

1

eissn

1535-7163

issn

1538-8514

pii

1535-7163.MCT-19-0204

journal_volume

19

pub_type

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