Evidence map›Paper›PMID 31462002›Full record

ArticleCancers2019

PD-L1 Induction by Cancer-Associated Fibroblast-Derived Factors in Lung Adenocarcinoma Cells.

Chihiro Inoue, Yasuhiro Miki, Ryoko Saito, Shuko Hata, Jiro Abe, Ikuro Sato, Yoshinori Okada, Hironobu Sasano

Open access · goldAbstract read
In one paragraph

Article in Cancers, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
3.8field-weighted citation impact, top 5% 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

55 citing papers in PubMed, 78 citations in OpenAlex.

  1. Article
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  6. Closer proximity of pre-treatment CD4Translational lung cancer research · 2025
    Article
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  9. Unraveling the metastatic niche in breast cancer bone metastasis through single-cell RNA sequencing.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2025
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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

8 authors at 3 institutions in 1 country.

Chihiro InoueDepartment of Anatomic Pathology, Tohoku University Graduate School of Medicine, Sendai, Miyagi 981-8575, Japan. chihiro_inoue@med.tohoku.ac.jp.
Yasuhiro MikiDepartment of Disaster Obstetrics and Gynecology, International Research Institute of Disaster Science, Tohoku University, Sendai, Miyagi 980-8573, Japan.
Ryoko SaitoDepartment of Anatomic Pathology, Tohoku University Graduate School of Medicine, Sendai, Miyagi 981-8575, Japan.
Shuko HataDivision of Pathology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi 981-8558, Japan.
Jiro AbeDepartment of Thoracic Surgery, Miyagi Cancer Centre, Natori, Miyagi 981-1293, Japan.
Ikuro SatoDepartment of Pathology, Miyagi Cancer Centre, Natori, Miyagi 981-1293, Japan.
Yoshinori OkadaDepartment of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Miyagi 981-8575, Japan.
Hironobu SasanoDepartment of Anatomic Pathology, Tohoku University Graduate School of Medicine, Sendai, Miyagi 981-8575, Japan.
Tohoku University · JPMiyagi Prefectural Hospital Organization · JPTohoku Medical and Pharmaceutical University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cancer-associated fibroblasts (CAFs) exert various effects upon biological behaviours of cancer. In this study, we examined the correlation of CAFs with the intra-tumoural immune system in the lung adenocarcinoma microenvironment. We studied 27 and 113 cases of lung adenocarcinoma tentatively as Cohorts 1 and 2, respectively. The patients in Cohort 1 received epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) for recurrent lung adenocarcinoma. -smooth muscle actin (-SMA), a surrogate marker for CAFs, was examined by immunohistochemistry. We then examined the effects of CAFs isolated from lung cancer tissues on programmed death ligand 1 (PD-L1) expression in lung adenocarcinoma cell lines. No significant associations were detected between -SMA status and the ratios of CD8/CD4 and Foxp3/CD8 in Cohort 1. However, -SMA status was significantly associated with PD-L1 status in both Cohorts 1 and 2. Conditioned medium of CAFs significantly induced PD-L1 expression in lung adenocarcinoma cell lines, A549, PC-9, and H1975. Among the cytokines examined by antibody array, C-X-C motif chemokine ligand 2 (CXCL2) increased PD-L1 mRNA expression in these cell lines. CXCL2 is therefore considered to have a potential to induce PD-L1 expression in lung adenocarcinoma cells as a result of an interaction between carcinoma cells and CAFs. These findings did firstly demonstrate that CAFs indirectly influenced tumour immunity through increasing PD-L1 expression in lung adenocarcinoma cells.

Indexed as

cancer associated fibroblastslung adenocarcinomaprogrammed death ligand 1-smooth muscle actintumor microenvironment

Identifiers

PMID31462002
PMCPMC6770125
OpenAlexW2970504186

What OpenQuestion holds

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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.