Evidence map›Paper›PMID 32341383›Full record

ArticleScientific reports2020

Effects of anti-PD-1 immunotherapy on tumor regression: insights from a patient-derived xenograft model.

Asunción Martín-Ruiz, Carmen Fiuza-Luces, Esther Martínez-Martínez, Clemente F Arias, Lourdes Gutiérrez, Manuel Ramírez, Paloma Martín-Acosta, Maria José Coronado, Alejandro Lucia, Mariano Provencio

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
1.5field-weighted citation impact, top 15% 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

21 citing papers in PubMed, 28 citations in OpenAlex.

  1. The long-lived immune system of centenarians.Nature reviews. Immunology · 2026
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  8. Leveraging preclinical models of metastatic breast cancer.Biochimica et biophysica acta. Reviews on cancer · 2024
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  17. Potential Role of Neutrophil Extracellular Traps in Cardio-Oncology.International journal of molecular sciences · 2022
    Review
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  19. 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

10 authors at 6 institutions in 2 countries.

Asunción Martín-RuizMedical Oncology Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.
Carmen Fiuza-LucesResearch Institute of the Hospital 12 de Octubre (imas12), Madrid, Spain.
Esther Martínez-MartínezMedical Oncology Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.
Clemente F AriasDepartament of Applied Mathematics, Universidad Complutense de Madrid, Madrid, Spain.
Lourdes GutiérrezMedical Oncology Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.
Manuel RamírezOncohematology Department, Children's Hospital Niño Jesús, Madrid, Spain.
Paloma Martín-AcostaPathology Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.
Maria José CoronadoConfocal Microscopy Core Facility, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.
Alejandro LuciaFaculty of Sports Sciences, European University, Madrid, Spain.
Mariano ProvencioMedical Oncology Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain. mprovenciop@gmail.com.
Hospital Universitario Puerta de Hierro Majadahonda · ESUniversidad Europea de Madrid · ESHospital Infantil Universitario Niño Jesús · ESResearch Institute Hospital 12 de Octubre · ESUniversidad Complutense de Madrid · ESUniversity of Fribourg · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Immunotherapies, such as checkpoint blockade of programmed cell death protein-1 (PD-1), have resulted in unprecedented improvements in survival for patients with lung cancer. Nonetheless, not all patients benefit equally and many issues remain unresolved, including the mechanisms of action and the possible effector function of immune cells from non-lymphoid lineages. The purpose of this study was to investigate whether anti-PD-1 immunotherapy acts on malignant tumor cells through mechanisms beyond those related to T lymphocyte involvement. We used a murine patient-derived xenograft (PDX) model of early-stage non-small cell lung carcinoma (NSCLC) devoid of host lymphoid cells, and studied the tumor and immune non-lymphoid responses to immunotherapy with anti-PD-1 alone or in combination with standard chemotherapy (cisplatin). An antitumor effect was observed in animals that received anti-PD-1 treatment, alone or in combination with cisplatin, likely due to a mechanism independent of T lymphocytes. Indeed, anti-PD-1 treatment induced myeloid cell mobilization to the tumor concomitant with the production of exudates compatible with an acute inflammatory reaction mediated by murine polymorphonuclear leukocytes, specifically neutrophils. Thus, while keeping in mind that more research is needed to corroborate our findings, we report preliminary evidence for a previously undescribed immunotherapy mechanism in this model, suggesting a potential cytotoxic action of neutrophils as PD-1 inhibitor effector cells responsible for tumor regression by necrotic extension.

Indexed as

ImmunotherapyAnimalsAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Non-Small-Cell LungCisplatinHumansLung NeoplasmsMiceMice, Inbred NODMice, SCIDXenograft Model Antitumor AssaysCisplatin

Identifiers

PMID32341383
PMCPMC7184589
OpenAlexW3018348882

What OpenQuestion holds

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LicenceCC BY
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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.