Evidence map›Paper›PMID 25711536›Full record

ArticleCancer immunology research2015

CAR-T Cells Inflict Sequential Killing of Multiple Tumor Target Cells.

Alexander J Davenport, Misty R Jenkins, Ryan S Cross, Carmen S Yong, H Miles Prince, David S Ritchie, Joseph A Trapani, Michael H Kershaw, Phillip K Darcy, Paul J Neeson

Erratum issuedAbstract read
PubMed Publisher
In one paragraph

Article in Cancer immunology research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 100 papers.

0numbers the graph read from it
0cells of the map it votes in
100citing papers in PubMed
3.9field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

100 citing papers in PubMed, 145 citations in OpenAlex.

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  17. IFN-γ-mediated suppression of Caspase-7 exacerbates acute lung injury induced by CAR-T cells.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
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40 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 1 institution in 1 country.

Alexander J DavenportCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia. The ACRF Translational Research Laboratory, Royal Melbourne Hospital, Parkville, Victoria, Australia.
Misty R JenkinsCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia.
Ryan S CrossSir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia. Differentiation and Transcription Laboratory, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia.
Carmen S YongCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia.
H Miles PrinceDepartment of Cancer Medicine, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia.
David S RitchieCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia. The ACRF Translational Research Laboratory, Royal Melbourne Hospital, Parkville, Victoria, Australia. Department of Clinical Haematology and Bone Marrow Transplantation, Royal Melbourne Hospital, Parkville, Victoria, Australia.
Joseph A TrapaniCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia.
Michael H KershawCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia.
Phillip K DarcyCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia. paul.neeson@petermac.org phil.darcy@petermac.org.
Paul J NeesonCancer Immunology Research, Peter MacCallum Cancer Center, East Melbourne, Victoria, Australia. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia. paul.neeson@petermac.org phil.darcy@petermac.org.
Peter MacCallum Cancer Centre · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Adoptive therapy with chimeric antigen receptor (CAR) T cells shows great promise clinically. However, there are important aspects of CAR-T-cell biology that have not been explored, particularly with respect to the kinetics of activation, immune synapse formation, and tumor cell killing. Moreover, the effects of signaling via the endogenous T-cell receptor (TCR) or CAR on killing kinetics are unclear. To address these issues, we developed a novel transgenic mouse (designated CAR.OT-I), in which CD8(+) T cells coexpressed the clonogenic OT-I TCR, recognizing the H-2K(b)-presented ovalbumin peptide SIINFEKL, and an scFv specific for human HER2. Primed CAR.OT-I T cells were mixed with SIINFEKL-pulsed or HER2-expressing tumor cells and visualized in real-time using time-lapse microscopy. We found that engagement via CAR or TCR did not affect cell death kinetics, except that the time from degranulation to CAR-T-cell detachment was faster when CAR was engaged. We showed, for the first time, that individual CAR.OT-I cells can kill multiple tumor cells ("serial killing"), irrespective of the mode of recognition. At low effector:target ratios, the tumor cell killing rate was similar via TCR or CAR ligation over the first 20 hours of coincubation. However, from 20 to 50 hours, tumor cell death mediated through CAR became attenuated due to CAR downregulation throughout the time course. Our study provides important insights into CAR-T-tumor cell interactions, with implications for single- or dual receptor-focused T-cell therapy.

Indexed as

AnimalsCD8-Positive T-LymphocytesCell Line, TumorErb-b2 Receptor Tyrosine KinasesLysosomal-Associated Membrane Protein 1Mice, TransgenicNeoplasmsPerforinReceptors, AntigenReceptors, Antigen, T-CellERBB2 protein, humanErb-b2 Receptor Tyrosine KinasesLysosomal-Associated Membrane Protein 1PerforinReceptors, AntigenReceptors, Antigen, T-Cell

Identifiers

PMID25711536
OpenAlexW2147064595

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.