Evidence map›Paper›PMID 26379396›Full record

ArticleWorld journal of gastroenterology2015

Macrophage migration inhibitory factor as a potential prognostic factor in gastric cancer.

Long-Jun He, Dan Xie, Pin-Jin Hu, Yi-Ji Liao, Hai-Xia Deng, Hsiang-Fu Kung, Sen-Lin Zhu

Open access · hybridAbstract read
In one paragraph

Article in World journal of gastroenterology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 24% 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, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.

  1. Pooled it
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  17. Activation of CD3Cancer biology & therapy · 2019
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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 1 institution in 1 country.

Long-Jun HeLong-Jun He, Pin-Jin Hu, Sen-Lin Zhu, Department of Gastroenterology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China.
Dan XieLong-Jun He, Pin-Jin Hu, Sen-Lin Zhu, Department of Gastroenterology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China.
Pin-Jin HuLong-Jun He, Pin-Jin Hu, Sen-Lin Zhu, Department of Gastroenterology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China.
Yi-Ji LiaoLong-Jun He, Pin-Jin Hu, Sen-Lin Zhu, Department of Gastroenterology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China.
Hai-Xia DengLong-Jun He, Pin-Jin Hu, Sen-Lin Zhu, Department of Gastroenterology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China.
Hsiang-Fu KungLong-Jun He, Pin-Jin Hu, Sen-Lin Zhu, Department of Gastroenterology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China.
Sen-Lin ZhuLong-Jun He, Pin-Jin Hu, Sen-Lin Zhu, Department of Gastroenterology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China.
Sun Yat-sen University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo investigate macrophage migration inhibitory factor (MIF) expression and its clinical relevance in gastric cancer, and effects of MIF knockdown on proliferation of gastric cancer cells.

methodsTissue microarray containing 117 samples of gastric cancer and adjacent non-cancer normal tissues was studied for MIF expression by immunohistochemistry (IHC) semiquantitatively, and the association of MIF expression with clinical parameters was analyzed. MIF expression in gastric cancer cell lines was detected by reverse transcription-polymerase chain reaction (RT-PCR) and Western blot. Two pairs of siRNA targeting the MIF gene (MIF si-1 and MIF si-2) and one pair of scrambled siRNA as a negative control (NC) were designed and chemically synthesized. All siRNAs were transiently transfected in AGS cells with Oligofectamine(TM) to knock down the MIF expression, with the NC group and mock group (Oligofectamine(TM) alone) as controls. At 24, 48, and 72 h after transfection, MIF mRNA was analyzed by RT-PCR, and MIF and proliferating cell nuclear antigen (PCNA) proteins were detected by Western blot. The proliferative rate of AGS cells was assessed by methylthiazolyl tetrazolium (MTT) assay and colony forming assay.

resultsThe tissue microarray was informative for IHC staining, in which the MIF expression in gastric cancer tissues was higher than that in adjacent non-cancer normal tissues (P < 0.001), and high level of MIF was related to poor tumor differentiation, advanced T stage, advanced tumor stage, lymph node metastasis, and poor patient survival (P < 0.05 for all). After siRNA transfection, MIF mRNA was measured by real-time PCR, and MIF protein and PCNA were assessed by Western blot analysis. We found that compared to the NC group and mock group, MIF expression was knocked down successfully in gastric cancer cells, and PCNA expression was downregulated with MIF knockdown as well. The cell counts and the doubling times were assayed by MTT 4 d after transfection, and colonies formed were assayed by colony forming assay 10 d after transfection; all these showed significant changes in gastric cancer cells transfected with specific siRNA compared with the control siRNA and mock groups (P < 0.001 for all).

conclusionMIF could be of prognostic value in gastric cancer and might be a potential target for small-molecule therapy.

Indexed as

Cell ProliferationBiomarkers, TumorCell Line, TumorFemaleGene Expression Regulation, NeoplasticHumansIntramolecular OxidoreductasesMacrophage Migration-Inhibitory FactorsMaleMiddle AgedNeoplasm StagingProliferating Cell Nuclear AntigenProportional Hazards ModelsRetrospective StudiesRNA InterferenceSignal TransductionBiomarkers, TumorIntramolecular OxidoreductasesMacrophage Migration-Inhibitory FactorsMIF protein, humanProliferating Cell Nuclear AntigenMacrophage migration inhibitory factorProliferationRNA interferenceStomach neoplasmSurvival

Identifiers

PMID26379396
PMCPMC4566384
OpenAlexW2399085547

What OpenQuestion holds

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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.