Evidence map›Paper›PMID 36167467›Full record

ArticleJournal for immunotherapy of cancer2022

Development of GPC2-directed chimeric antigen receptors using mRNA for pediatric brain tumors.

Jessica B Foster, Crystal Griffin, Jo Lynne Rokita, Allison Stern, Cameron Brimley, Komal Rathi, Maria V Lane, Samantha N Buongervino, Tiffany Smith, Peter J Madsen and 10 more

Open access · goldAbstract read
In one paragraph

Article in Journal for immunotherapy of cancer, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
4.9field-weighted citation impact, top 3% 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

39 citing papers in PubMed, 51 citations in OpenAlex.

  1. Review
  2. Towards mRNA therapeutics 2.0.Nature reviews. Drug discovery · 2026
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  16. D3-GPC2-Directed CAR T Cells Are Safe and Efficacious in Preclinical Models of Neuroblastoma and Small Cell Lung Cancer.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025
    Article
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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

20 authors at 4 institutions in 3 countries.

Jessica B FosterDivision of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA fosterjb@chop.edu.ORCID 0000-0002-8001-5960
Crystal GriffinCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Jo Lynne RokitaCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.ORCID 0000-0003-2171-3627
Allison SternCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Cameron BrimleyDivision of Neurosurgery, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Komal RathiCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Maria V LaneDivision of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Samantha N BuongervinoDivision of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Tiffany SmithCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Peter J MadsenCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Daniel MartinezDepartment of Pathology & Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA.
Alberto DelaidelliDepartment of Pathology & Laboratory Medicine, The University of British Columbia, Vancouver, British Columbia, Canada.
Poul H SorensenDepartment of Pathology & Laboratory Medicine, The University of British Columbia, Vancouver, British Columbia, Canada.
Robert J Wechsler-ReyaTumor Initiation and Maintenance Program, NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA.
Katalin KarikóBioNTech SE, Mainz, Rheinland-Pfalz, Germany.
Phillip B StormCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
David M BarrettTmunity Therapeutics, Philadelphia, Pennsylvania, USA.
Adam C ResnickCenter for Data-Driven Discovery in Biomedicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
John M MarisDivision of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.ORCID 0000-0002-8088-7929
Kristopher R BosseDivision of Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Children's Hospital of Philadelphia · USUniversity of British Columbia · CABioNTech (Germany) · DESanford Burnham Prebys Medical Discovery Institute · US

Funding

Physician Scientist Training in Clinical OncologyK12CA076931 · NCI · UNIVERSITY OF PENNSYLVANIA · PI STEPHEN Patrick HUNGER, LYNN M. SCHUCHTER · 1997 to 2026
$16.5M
Understanding and Overcoming Resistance to Immunotherapies in Childhood CancersU54CA232568 · NCI · CHILDREN'S HOSP OF PHILADELPHIA · PI MACKALL, CRYSTAL, MARIS, JOHN M · 2018 to 2022
$13.1M
Discovering mechanisms of neuroblastoma tumorigenesis to improve patient outcomesR35CA220500 · NCI · CHILDREN'S HOSP OF PHILADELPHIA · PI JOHN M MARIS · 2017 to 2026
$8.7M
Targeting the GPC2 oncoprotein with immune-based therapies in neuroblastomaK08CA230223 · NCI · CHILDREN'S HOSP OF PHILADELPHIA · PI BOSSE, KRISTOPHER R · 2018 to 2022
$1.0M
NCI NIH HHS K08 CA230223NCI NIH HHS K12 CA076931NCI NIH HHS R35 CA220500NCI NIH HHS U54 CA232568
6 · The paper itself

Abstract

backgroundPediatric brain tumors are the leading cause of cancer death in children with an urgent need for innovative therapies. Glypican 2 (GPC2) is a cell surface oncoprotein expressed in neuroblastoma for which targeted immunotherapies have been developed. This work aimed to characterize GPC2 expression in pediatric brain tumors and develop an mRNA CAR T cell approach against this target.

methodsWe investigated GPC2 expression across a cohort of primary pediatric brain tumor samples and cell lines using RNA sequencing, immunohistochemistry, and flow cytometry. To target GPC2 in the brain with adoptive cellular therapies and mitigate potential inflammatory neurotoxicity, we used optimized mRNA to create transient chimeric antigen receptor (CAR) T cells. We developed four mRNA CAR T cell constructs using the highly GPC2-specific fully human D3 single chain variable fragment for preclinical testing.

resultsWe identified high GPC2 expression across multiple pediatric brain tumor types including medulloblastomas, embryonal tumors with multilayered rosettes, other central nervous system embryonal tumors, as well as definable subsets of highly malignant gliomas. We next validated and prioritized CAR configurations using in vitro cytotoxicity assays with GPC2-expressing neuroblastoma cells, where the light-to-heavy single chain variable fragment configurations proved to be superior. We expanded the testing of the two most potent GPC2-directed CAR constructs to GPC2-expressing medulloblastoma and high-grade glioma cell lines, showing significant GPC2-specific cell death in multiple models. Finally, biweekly locoregional delivery of 2-4 million GPC2-directed mRNA CAR T cells induced significant tumor regression in an orthotopic medulloblastoma model and significantly prolonged survival in an aggressive orthotopic thalamic diffuse midline glioma xenograft model. No GPC2-directed CAR T cell related neurologic or systemic toxicity was observed.

conclusionTaken together, these data show that GPC2 is a highly differentially expressed cell surface protein on multiple malignant pediatric brain tumors that can be targeted safely with local delivery of mRNA CAR T cells, laying the framework for the clinical translation of GPC2-directed immunotherapies for pediatric brain tumors.

Indexed as

Brain NeoplasmsCerebellar NeoplasmsGliomaMedulloblastomaNeuroblastomaReceptors, Chimeric AntigenSingle-Chain AntibodiesCell Line, TumorChildGlypicansHumansOncogene ProteinsRNA, MessengerXenograft Model Antitumor AssaysGlypicansOncogene ProteinsReceptors, Chimeric AntigenRNA, MessengerSingle-Chain AntibodiesBrain NeoplasmsCell EngineeringCentral Nervous System NeoplasmsImmunotherapyPediatrics

Identifiers

PMID36167467
PMCPMC9516314
OpenAlexW4297322118

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.