Evidence map›Paper›PMID 25212991›Full record

ArticleCancer immunology research2015

The nonsignaling extracellular spacer domain of chimeric antigen receptors is decisive for in vivo antitumor activity.

Michael Hudecek, Daniel Sommermeyer, Paula L Kosasih, Anne Silva-Benedict, Lingfeng Liu, Christoph Rader, Michael C Jensen, Stanley R Riddell

Open access · bronzeAbstract read
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. Cited by 367 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
367citing papers in PubMed, 2 pooled it
15.7field-weighted citation impact, top 1% 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

367 citing papers in PubMed, 2 syntheses or guidelines pooled it, 514 citations in OpenAlex.

  1. Mapping the clinical landscape of multifunctional CAR T cells: Targets, trends, and synergies.Molecular therapy : the journal of the American Society of Gene Therapy · 2026
    Pooled it
  2. Pooled it
  3. Article
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  5. Article
  6. Review
  7. Article
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  9. Review
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  11. Article
  12. A Review of Recent Advances in Chimeric Antigen Receptor (CAR) T-Cell Therapy for Hepatocellular Carcinoma.Medical science monitor : international medical journal of experimental and clinical research · 2026
    Review
  13. Article
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  15. Review
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  17. Review
  18. Rational redesign of antigen binding domain improves in vivo efficacy of the CD22-CAR.Molecular therapy : the journal of the American Society of Gene Therapy · 2026
    Article
  19. Article
  20. Review

307 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

Michael HudecekFred Hutchinson Cancer Research Center, Clinical Research Division, Program in Immunology, Seattle, Washington. University of Würzburg, Department of Medicine II - Hematology and Medical Oncology, Würzburg, Germany.
Daniel SommermeyerFred Hutchinson Cancer Research Center, Clinical Research Division, Program in Immunology, Seattle, Washington.
Paula L KosasihFred Hutchinson Cancer Research Center, Clinical Research Division, Program in Immunology, Seattle, Washington.
Anne Silva-BenedictSeattle Children's Research Institute, Ben Towne Center for Childhood Cancer Research, Seattle, Washington. Department of Medicine, University of Washington, Seattle, Washington.
Lingfeng LiuFred Hutchinson Cancer Research Center, Clinical Research Division, Program in Immunology, Seattle, Washington.
Christoph RaderDepartment of Cancer Biology, The Scripps Research Institute, Jupiter, Florida. Department of Molecular Therapeutics, The Scripps Research Institute, Jupiter, Florida.
Michael C JensenFred Hutchinson Cancer Research Center, Clinical Research Division, Program in Immunology, Seattle, Washington. Seattle Children's Research Institute, Ben Towne Center for Childhood Cancer Research, Seattle, Washington. Department of Pediatrics, University of Washington, Seattle, Washington.
Stanley R RiddellFred Hutchinson Cancer Research Center, Clinical Research Division, Program in Immunology, Seattle, Washington. Department of Medicine, University of Washington, Seattle, Washington. Technical University of Munich, Institute for Advanced Study, Munich, Germany. sriddell@fhcrc.org.
University of Washington · USScripps Research Institute · US

Funding

Targeted immunotherapy of breast cancer with central memory T cellsP50CA138293 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI PORTER, PEGGY L. · 2010 to 2014
$11.0M
TARGETING ROR1 WITH CHIMERIC ANTIGEN RECEPTOR MODIFIED T CELLSR01CA114536 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI Sylvain Simon · 2005 to 2026
$8.4M
Targeted therapy of B cell malignances with CAR-T cells of defined compositionR01CA136551 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI JENSEN, MICHAEL C, RIDDELL, STANLEY R. · 2009 to 2018
$5.5M
NCI NIH HHS CA114536NCI NIH HHS CA136551NCI NIH HHS P50 CA138293NCI NIH HHS R01 CA114536NCI NIH HHS R01 CA136551
6 · The paper itself

Abstract

The use of synthetic chimeric antigen receptors (CAR) to redirect T cells to recognize tumor provides a powerful new approach to cancer immunotherapy; however, the attributes of CARs that ensure optimal in vivo tumor recognition remain to be defined. Here, we analyze the influence of length and composition of IgG-derived extracellular spacer domains on the function of CARs. Our studies demonstrate that CD19-CARs with a long spacer from IgG4 hinge-CH2-CH3 are functional in vitro but lack antitumor activity in vivo due to interaction between the Fc domain within the spacer and the Fc receptor-bearing myeloid cells, leading to activation-induced T-cell death. We demonstrate that in vivo persistence and antitumor effects of CAR-T cells with a long spacer can be restored by modifying distinct regions in the CH2 domain that are essential for Fc receptor binding. Our studies demonstrate that modifications that abrogate binding to Fc receptors are crucial for CARs in which a long spacer is obligatory for tumor recognition as shown here for a ROR1-specific CAR. These results demonstrate that the length and composition of the extracellular spacer domain that lacks intrinsic signaling function can be decisive in the design of CARs for optimal in vivo activity.

Indexed as

AnimalsAntigens, CD19Burkitt LymphomaCell DeathCell Line, TumorCytotoxicity, ImmunologicGenetic EngineeringGenetic VectorsHumansImmunoglobulin GImmunophenotypingImmunotherapy, AdoptiveLentivirusLungLymphocyte ActivationMice, Inbred NODAntigens, CD19Immunoglobulin GReceptors, Antigen, T-CellRecombinant Fusion Proteins

Identifiers

PMID25212991
PMCPMC4692801
OpenAlexW2110820382

What OpenQuestion holds

Textmetadata
LicenceTDM
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.