Evidence map›Paper›PMID 34249742›Full record

ArticleFrontiers in oncology2021

Irradiation-Modulated Murine Brain Microenvironment Enhances GL261-Tumor Growth and Inhibits Anti-PD-L1 Immunotherapy.

Joel R Garbow, Tanner M Johanns, Xia Ge, John A Engelbach, Liya Yuan, Sonika Dahiya, Christina I Tsien, Feng Gao, Keith M Rich, Joseph J H Ackerman

Open access · goldAbstract read
In one paragraph

Article in Frontiers in oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.6field-weighted citation impact, top 37% 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

9 citing papers in PubMed, 10 citations in OpenAlex.

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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

10 authors at 2 institutions in 1 country.

Joel R GarbowDepartment of Radiology, Washington University, Saint Louis, MO, United States.
Tanner M JohannsDepartment of Internal Medicine, Washington University, Saint Louis, MO, United States.
Xia GeDepartment of Radiology, Washington University, Saint Louis, MO, United States.
John A EngelbachDepartment of Radiology, Washington University, Saint Louis, MO, United States.
Liya YuanDepartment of Neurosurgery, Washington University, Saint Louis, MO, United States.
Sonika DahiyaDivision of Neuropathology, Department of Pathology and Immunology, Washington University, Saint Louis, MO, United States.
Christina I TsienDepartment of Radiation Oncology, Washington University, Saint Louis, MO, United States.
Feng GaoDepartment of Surgery, Washington University, Saint Louis, MO, United States.
Keith M RichDepartment of Neurosurgery, Washington University, Saint Louis, MO, United States.
Joseph J H AckermanDepartment of Radiology, Washington University, Saint Louis, MO, United States.
Washington University in St. Louis · USAlvin J. Siteman Cancer Center

Funding

Washington University Center for Cellular ImagingP30CA091842 · NCI · WASHINGTON UNIVERSITY · PI AIMEE S JAMES · 2001 to 2026
$128.0M
NCI NIH HHS P30 CA091842
6 · The paper itself

Abstract

purposeClinical evidence suggests radiation induces changes in the brain microenvironment that affect subsequent response to treatment. This study investigates the effect of previous radiation, delivered six weeks prior to orthotopic tumor implantation, on subsequent tumor growth and therapeutic response to anti-PD-L1 therapy in an intracranial mouse model, termed the Radiation Induced Immunosuppressive Microenvironment (RI METHOD AND MATERIALS: C57Bl/6 mice received focal (hemispheric) single-fraction, 30-Gy radiation using the Leksell GammaKnife

resultsTumors in previously irradiated brain display aggressive, invasive growth, characterized by viable tumor and large regions of hemorrhage and necrosis. Mice challenged intracranially with GL261 six weeks after prior intracranial irradiation are unresponsive to anti-PD-L1 therapy. K-M curves demonstrate a statistically significant difference in survival for tumor-bearing mice treated with anti-PD-L1 antibody between RI

conclusionsThe RI

Indexed as

checkpoint inhibitorsimmunotherapymicroenvironmentmicrogliaMRIradiationtumor

Identifiers

PMID34249742
PMCPMC8263916
OpenAlexW3173934458

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.