Evidence map›Paper›PMID 34185141›Full record

ArticleJournal of cancer research and clinical oncology2021

Inhibitors of PD-1/PD-L1 and ERK1/2 impede the proliferation of receptor positive and triple-negative breast cancer cell lines.

Karen Bräutigam, Elodie Kabore-Wolff, Ahmad Fawzi Hussain, Stephan Polack, Achim Rody, Lars Hanker, Frank Köster

Open access · hybridAbstract read
In one paragraph

Article in Journal of cancer research and clinical oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
0.7field-weighted citation impact, top 27% 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

11 citing papers in PubMed, 16 citations in OpenAlex.

  1. An effective tumor-inhibiting siRNA delivery platform.Biochemical and biophysical research communications · 2026
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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

7 authors at 3 institutions in 1 country.

Karen BräutigamDepartment of Gynecology and Obstetrics, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany. karen.braeutigam@uksh.de.ORCID http://orcid.org/0000-0001-8521-9607
Elodie Kabore-WolffDepartment of Gynecology and Obstetrics, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany.
Ahmad Fawzi HussainDepartment of Gynecology and Obstetrics, Medical Faculty, Justus-Liebig-University Giessen, Giessen, Germany.
Stephan PolackDepartment of Gynecology and Obstetrics, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany.
Achim RodyDepartment of Gynecology and Obstetrics, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany.
Lars Hanker *Department of Gynecology and Obstetrics, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany.
Frank Köster *Department of Gynecology and Obstetrics, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany.
University of Lübeck · DEJustus-Liebig-Universität Gießen · DEUniversitäres Kinderwunschzentrum Lübeck · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTriple-negative breast cancer (TNBC) is characterized by an unfavorable prognosis and missing systemic therapeutic approaches beside chemotherapy. Targeting the immune checkpoint PD-1/PD-L1 showed promising results in breast cancer and especially in TNBC. The extracellular signal-regulated kinase 1/2 (ERK1/2) is an important driver of carcinogenesis. Here, the effect of combined PD-1/PD-L1 and ERK1/2 inhibitor treatment is investigated of cell growth and intracellular impact of breast cancer cell lines.

methodsThe IC

resultsBoth inhibitors PD-1/PD-L1 and ERK1/2 impeded the proliferation of TNBC to a higher extent than of non-TNBC. By combined treatment, cell lines were inhibited either synergistically or additively. ERK1/2 and S6 phosphorylation were reduced and expressions of c-Fos and FosL were diminished after ERK1/2 inhibitor as single and combined treatment. Between genes involved in immune modulation, IL-8 was upregulated in TNBC cells after combined treatment.

conclusionIn conclusion, combination of PD-1/PD-L1 and ERK1/2 inhibitors showed favorable effects for a new therapy strategy, with better results in TNBC cell lines than in non-TNBC cells. The effects have to be validated in models that can reflect the interaction between immune and tumor cells like the situation in the tumor micro-environment.

Indexed as

Antineoplastic AgentsApoptosisB7-H1 AntigenCell ProliferationFemaleGene Expression Regulation, NeoplasticHumansImmune Checkpoint InhibitorsMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Programmed Cell Death 1 ReceptorTriple Negative Breast NeoplasmsTumor Cells, CulturedAntineoplastic AgentsB7-H1 AntigenCD274 protein, humanImmune Checkpoint InhibitorsMAPK1 protein, humanMAPK3 protein, humanMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3PDCD1 protein, humanProgrammed Cell Death 1 ReceptorCombined therapyERK inhibitorImmune checkpoint inhibitorProliferationTriple-negative breast cancer

Identifiers

PMID34185141
PMCPMC8397671
OpenAlexW3174289128

What Socratic holds

Textmetadata
LicenceCC BY
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 Socratic graph.