Evidence map›Paper›PMID 35820543›Full record

ArticleCellular signalling2022

IFNγ-induced PD-L1 expression in ovarian cancer cells is regulated by JAK1, STAT1 and IRF1 signaling.

Sveta Padmanabhan, Bijaya Gaire, Yue Zou, Mohammad M Uddin, Ivana Vancurova

Open access · greenAbstract read
In one paragraph

Article in Cellular signalling, 2022. 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
3.3field-weighted citation impact, top 6% 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, 37 citations in OpenAlex.

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  10. Oncology research · 2026
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  17. Loss ofOncotarget · 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

5 authors at 1 institution in 1 country.

Sveta PadmanabhanDepartment of Biological Sciences, St. John's University, New York 11439, USA.
Bijaya GaireDepartment of Biological Sciences, St. John's University, New York 11439, USA.
Yue ZouDepartment of Biological Sciences, St. John's University, New York 11439, USA.
Mohammad M UddinDepartment of Biological Sciences, St. John's University, New York 11439, USA.
Ivana VancurovaDepartment of Biological Sciences, St. John's University, New York 11439, USA. Electronic address: vancuroi@stjohns.edu.
St. John's University · US

Funding

Targeting IKK and HDAC Mediated IL-8 Expression in Ovarian and Prostate CancerR15CA202775 · NCI · ST. JOHN'S UNIVERSITY · PI VANCUROVA, IVANA · 2016 to 2016
$495k
NCI NIH HHS R15 CA202775
6 · The paper itself

Abstract

Expression of the immune checkpoint programmed death ligand-1 (PD-L1) is increased in ovarian cancer (OC) and correlates with poor prognosis. Interferon-γ (IFNγ) induces PD-L1 expression in OC cells, resulting in their increased proliferation and tumor growth, but the mechanisms that regulate the PD-L1 expression in OC remain unclear. Here, we show that the IFNγ-induced PD-L1 expression in OC cells is associated with increased levels of STAT1, Tyr-701 pSTAT1 and Ser-727 pSTAT1. Suppression of JAK1 and STAT1 significantly decreases the IFNγ-induced PD-L1 expression in OC cells, and STAT1 overexpression increases the IFNγ-induced PD-L1 expression. In addition, IFNγ induces expression of the transcription factor interferon regulatory factor 1 (IRF1) and IRF1 suppression attenuates the IFNγ-induced gene and protein levels of PD-L1. Chromatin immunoprecipitation results show that IFNγ induces PD-L1 promoter acetylation and recruitment of STAT1, Ser-727 pSTAT1 and IRF1 in OC cells. Together, these findings demonstrate that the IFNγ-induced PD-L1 expression in OC cells is regulated by JAK1, STAT1, and IRF1 signaling, and suggest that targeting the JAK1/ STAT1/IRF1 pathway may provide a leverage to regulate the PD-L1 levels in ovarian cancer.

Indexed as

B7-H1 AntigenOvarian NeoplasmsCarcinoma, Ovarian EpithelialCell Line, TumorFemaleGene Expression Regulation, NeoplasticHumansInterferon-gammaInterferon Regulatory Factor-1Janus Kinase 1STAT1 Transcription FactorB7-H1 AntigenCD274 protein, humanInterferon-gammaInterferon Regulatory Factor-1IRF1 protein, humanJAK1 protein, humanJanus Kinase 1STAT1 protein, humanSTAT1 Transcription FactorInterferon-γOvarian cancerPD-L1STAT1Transcriptional regulation

Identifiers

PMID35820543
PMCPMC9357219
OpenAlexW4284967154

What OpenQuestion holds

Textmetadata
LicenceTDM
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.