Abstract:
:Mesothelin (MSLN) is an attractive antigen for chimeric antigen receptor (CAR) T therapy and the epitope selection within MSLN is essential. In this study, we constructed two types of CARs targeting either region I of MSLN (meso1 CAR, also known as a membrane-distal region) or region III of MSLN (meso3 CAR, also known as a membrane-proximal region) using a modified piggyBac transposon system. We reported that, compared with meso1 CAR T cells, meso3 CAR T cells express higher levels of CD107α upon activation and produce increased levels of interleukin-2, TNF-α, and IFN-γ against multiple MSLN-expressing cancer cells in vitro. In a real-time cell analyzer system and a three-dimensional spheroid cancer cell model, we also demonstrated that meso3 CAR T cells display an enhanced killing effect compared with that of meso1 CAR T cells. More importantly, in a gastric cancer NSG mice model, meso3 CAR T cells mediated stronger antitumor responses than meso1 CAR T cells did. We further identified that meso3 CAR T cells can effectively inhibit the growth of large ovarian tumors in vivo. Collectively, our study provides evidences that meso3 CAR T-cell therapy performs as a better immunotherapy than meso1 CAR T-cell therapy in treating MSLN-positive solid tumors.
journal_name
Cell Death Disjournal_title
Cell death & diseaseauthors
Zhang Z,Jiang D,Yang H,He Z,Liu X,Qin W,Li L,Wang C,Li Y,Li H,Xu H,Jin H,Qian Qdoi
10.1038/s41419-019-1711-1subject
Has Abstractpub_date
2019-06-17 00:00:00pages
476issue
7issn
2041-4889pii
10.1038/s41419-019-1711-1journal_volume
10pub_type
杂志文章abstract::Although increasing evidence indicated that deregulation of microRNAs (miRNAs) contributed to tumor initiation and progression, but little is known about the biological role of miR-340 in ovarian cancer (OC). In this study, we found that miR-340 expression was downregulated in OC tissues compared with its expression i...
journal_title:Cell death & disease
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journal_title:Cell death & disease
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abstract:: ...
journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
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journal_title:Cell death & disease
pub_type: 杂志文章
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更新日期:2016-08-04 00:00:00
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journal_title:Cell death & disease
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
pub_type: 杂志文章
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journal_title:Cell death & disease
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