Evidence map›Paper›PMID 31686330›Full record

ArticleJournal of neuro-oncology2019

Shortened ex vivo manufacturing time of EGFRvIII-specific chimeric antigen receptor (CAR) T cells reduces immune exhaustion and enhances antiglioma therapeutic function.

Hillary G Caruso, Ryuma Tanaka, Jiyong Liang, Xiaoyang Ling, Aria Sabbagh, Verlene K Henry, Tiara L Collier, Amy B Heimberger

Abstract read
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In one paragraph

Article in Journal of neuro-oncology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
2.5field-weighted citation impact, top 9% 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

34 citing papers in PubMed, 59 citations in OpenAlex.

  1. Article
  2. Article
  3. Delivery platforms forFrontiers in immunology · 2026
    Review
  4. Review
  5. Article
  6. Advances in integrating biomaterials with CAR-T cells for enhancing solid tumor therapy.Chinese journal of cancer research = Chung-kuo yen cheng yen chiu · 2025
    Article
  7. In vivo CAR engineering for immunotherapy.Nature reviews. Immunology · 2025
    Review
  8. Strategies for Altering Delivery Technologies to Optimize CAR Therapy.International journal of molecular sciences · 2025
    Review
  9. Article
  10. Article
  11. In vivo CAR T cell therapy against angioimmunoblastic T cell lymphoma.Journal of experimental & clinical cancer research : CR · 2024
    Article
  12. Review
  13. Review
  14. Review
  15. Article
  16. Article
  17. Precision medicine: In vivo CAR therapy as a showcase for receptor-targeted vector platforms.Molecular therapy : the journal of the American Society of Gene Therapy · 2022
    Review
  18. Review
  19. Article
  20. Review
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 1 institution in 1 country.

Hillary G CarusoDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Unit 442, P.O. Box 301402, Houston, TX, 77030-1402, USA.
Ryuma TanakaDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
Jiyong LiangDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Unit 442, P.O. Box 301402, Houston, TX, 77030-1402, USA.
Xiaoyang LingDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Unit 442, P.O. Box 301402, Houston, TX, 77030-1402, USA.
Aria SabbaghDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Unit 442, P.O. Box 301402, Houston, TX, 77030-1402, USA.
Verlene K HenryDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Unit 442, P.O. Box 301402, Houston, TX, 77030-1402, USA.
Tiara L CollierDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Unit 442, P.O. Box 301402, Houston, TX, 77030-1402, USA.
Amy B HeimbergerDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Unit 442, P.O. Box 301402, Houston, TX, 77030-1402, USA. aheimber@mdanderson.org.
The University of Texas MD Anderson Cancer Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNon-viral manufacturing of CAR T cells via the Sleeping Beauty transposon is cost effective and reduces the risk of insertional mutagenesis from viral transduction. However, the current gold standard methodology requires ex vivo numerical expansion of these cells on artificial antigen-presenting cells (AaPCs) for 4 weeks to generate CAR T cells of presumed sufficient quantity and function for clinical applications.

methodWe engineered EGFRvIII-specific CAR T cells and monitored phenotypic changes throughout their ex vivo manufacturing. To reduce the culture time required to generate the CAR T-cell population, we selected for T cells in peripheral blood mononuclear cells prior to CAR modification (to eliminate the competing NK cell population).

resultsWhile we found increased expression of exhaustion markers (such as PD-1, PD-L1, TIM-3, and LAG-3) after 2 weeks in culture, whose levels continued to rise over time, we were able to generate a CAR+ T-cell population with comparable CAR expression and cell numbers in 2 weeks, thereby reducing manufacturing time by 50%, with lower expression of immune exhaustion markers. The CAR T cells manufactured at 2 weeks showed superior therapeutic efficacy in mice bearing established orthotopic EGFRvIII+ U87 gliomas.

conclusionThese findings demonstrate a novel, rapid method to generate CAR T cells by non-viral modification that results in CAR T cells superior in phenotype and function and further emphasizes that careful monitoring of CAR T-cell phenotype prior to infusion is critical for generating an optimal CAR T-cell product with full antitumor potential.

Indexed as

GliomaAnimalsAntigens, NeoplasmErbB ReceptorsHumansImmunotherapy, AdoptiveMiceReceptors, Chimeric AntigenTransfectionXenograft Model Antitumor AssaysAntigens, Neoplasmepidermal growth factor receptor VIIIErbB ReceptorsReceptors, Chimeric AntigenChimeric antigen receptor T cellExhaustion markersLAG-3PD-1PD-L1TIM-3

Identifiers

PMID31686330
OpenAlexW2984205493

What OpenQuestion holds

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Registered trials

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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.