Evidence map›Paper›PMID 21846721›Full record

ArticleThe Journal of biological chemistry2011

Pigment epithelium-derived factor (PEDF) promotes tumor cell death by inducing macrophage membrane tumor necrosis factor-related apoptosis-inducing ligand (TRAIL).

Tsung-Chuan Ho, Show-Li Chen, Shou-Chuan Shih, Shing-Jyh Chang, Su-Lin Yang, Jui-Wen Hsieh, Huey-Chuan Cheng, Lee-Jen Chen, Yeou-Ping Tsao

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.3field-weighted citation impact, top 12% 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

29 citing papers in PubMed, 42 citations in OpenAlex.

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  7. IntegrinInternational journal of molecular sciences · 2021
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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

9 authors at 4 institutions in 1 country.

Tsung-Chuan HoDepartment of Medical Research, Mackay Memorial Hospital, Taipei 104, Taiwan.
Show-Li ChenDepartment of Microbiology, School of Medicine, National Taiwan University, Taipei 100, Taiwan.
Shou-Chuan ShihDepartment of Gastroenterology, Mackay Memorial Hospital, Taipei 104, Taiwan; Mackay Medicine, Nursing, and Management College, Taipei 112, Taiwan.
Shing-Jyh ChangDepartment of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei 104, Taiwan; Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu 30013, Taiwan.
Su-Lin YangCenters for Disease Control, Taipei 115, Taiwan; Department of Microbiology and Immunology, National Defense Medical Center, Taipei 114, Taiwan.
Jui-Wen HsiehMackay Medicine, Nursing, and Management College, Taipei 112, Taiwan; Department of Ophthalmology, Mackay Memorial Hospital, Taipei 104, Taiwan.
Huey-Chuan ChengDepartment of Ophthalmology, Mackay Memorial Hospital, Taipei 104, Taiwan.
Lee-Jen ChenMackay Medicine, Nursing, and Management College, Taipei 112, Taiwan; Department of Ophthalmology, Mackay Memorial Hospital, Taipei 104, Taiwan.
Yeou-Ping TsaoDepartment of Medical Research, Mackay Memorial Hospital, Taipei 104, Taiwan; Department of Microbiology and Immunology, National Defense Medical Center, Taipei 114, Taiwan; Department of Ophthalmology, Mackay Memorial Hospital, Taipei 104, Taiwan. Electronic address: yptsao@yahoo.com.
Mackay Memorial Hospital · TWNational Defense Medical Center · TWMackay Junior College of Medicine, Nursing and Management · TWNational Taiwan University · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Pigment epithelium-derived factor (PEDF) is an intrinsic anti-angiogenic factor and a potential anti-tumor agent. The tumoricidal mechanism of PEDF, however, has not been fully elucidated. Here we report that PEDF induces the apoptosis of TC-1 and SK-Hep-1 tumor cells when they are cocultured with bone marrow-derived macrophages (BMDMs). This macrophage-mediated tumor killing is prevented by blockage of TNF-related apoptosis-inducing ligand (TRAIL) following treatment with the soluble TRAIL receptor. PEDF also increases the amount of membrane-bound TRAIL on cultured mouse BMDMs and on macrophages surrounding subcutaneous tumors. PEDF-induced tumor killing and TRAIL induction are abrogated by peroxisome proliferator-activated receptor γ (PPARγ) antagonists or small interfering RNAs targeting PPARγ. PEDF also induces PPARγ in BMDMs. Furthermore, the activity of the TRAIL promoter in human macrophages is increased by PEDF stimulation. Chromatin immunoprecipitation and DNA pull-down assays confirmed that endogenous PPARγ binds to a functional PPAR-response element (PPRE) in the TRAIL promoter, and mutation of this PPRE abolishes the binding of the PPARγ-RXRα heterodimer. Also, PPARγ-dependent transactivation and PPARγ-RXRα binding to this PPRE are prevented by PPARγ antagonists. Our results provide a novel mechanism for the tumoricidal activity of PEDF, which involves tumor cell killing via PPARγ-mediated TRAIL induction in macrophages.

Indexed as

ApoptosisAnimalsCell Line, TransformedCell Line, TumorCoculture TechniquesEye ProteinsHumansMacrophagesMiceMutationNeoplasmsNerve Growth FactorsPigment Epithelium-Derived FactorPPAR gammaReceptors, TNF-Related Apoptosis-Inducing LigandResponse ElementsEye ProteinsNerve Growth FactorsPigment Epithelium-Derived FactorPPAR gammaReceptors, TNF-Related Apoptosis-Inducing LigandRetinoid X Receptor alphaSerpinsTNF-Related Apoptosis-Inducing LigandTNFSF10 protein, humanTnfsf10 protein, mouse

Identifiers

PMID21846721
PMCPMC3195575
OpenAlexW2009760425

What OpenQuestion holds

Textmetadata
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.