Evidence map›Paper›PMID 25921281›Full record

ArticleTumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine2015

Assessment of promoter methylation and expression of SIX2 as a diagnostic and prognostic biomarker in Wilms' tumor.

Dongjian Song, Lifang Yue, Gang Wu, Shanshan Ma, Lihua Guo, Heying Yang, Qiuliang Liu, Da Zhang, Ziqiang Xia, Lei Wang and 4 more

Abstract read
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In one paragraph

Article in Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
0.3field-weighted citation impact, top 38% 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

9 citing papers in PubMed, 1 synthesis or guideline pooled it, 13 citations in OpenAlex.

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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

14 authors at 2 institutions in 1 country.

Dongjian SongDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Lifang YueDepartment of Ultrasonography, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450000, People's Republic of China.
Gang WuDepartment of Interventional Radiology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450000, People's Republic of China.
Shanshan MaSchool of Life Science, Zhengzhou University, Zhengzhou, Henan, 450000, People's Republic of China.
Lihua GuoDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Heying YangDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Qiuliang LiuDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Da ZhangDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Ziqiang XiaDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Lei WangDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Junjie ZhangDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Wei ZhaoDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Fei GuoDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China.
Jiaxiang WangDepartment of Pediatric Surgery, First Affiliated Hospital of Zhengzhou University, Construction East Road 1, Erqi District, Zhengzhou, Henan, 450000, People's Republic of China. w_jiaxiang@yeah.net.
Zhengzhou University · CNThird Affiliated Hospital of Zhengzhou University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study was designed to evaluate the utility of expression and DNA methylation patterns of the sine oculis homeobox homolog 2 (SIX2) gene in early diagnosis and prognosis of Wilms' tumor (WT). Methylation-specific polymerase chain reaction (MSP), real-time quantitative polymerase chain reaction (qRT-PCR), receiver operating characteristic (ROC), and survival curve analyses were utilized to measure the expression and DNA methylation patterns of SIX2 in a cohort of WT tissues, with a view to assessing their diagnostic and prognostic value. Relative expression of SIX2 mRNA was higher, while the promoter methylation level was lower in the WT than control group (P < 0.05) and closely associated with poor survival prognosis of WT children (P < 0.05). Increased expression and decreased methylation of SIX2 were correlated with increasing tumor size, clinical stage, vascular invasion, and unfavorable histological differentiation (P < 0.05). ROC curve analysis showed areas under the curve (AUCs) of 0.579 for methylation and 0.917 for expression in WT venous blood, indicating higher diagnostic yield of preoperative SIX2 expression. The preoperative venous blood SIX2 expression level serves as an underlying biomarker for early diagnosis of WT. SIX2 overexpression and concomitantly decreased promoter methylation are significantly associated with poor survival of WT children.

Indexed as

Biomarkers, TumorCase-Control StudiesChild, PreschoolDNA MethylationFemaleGene Expression Regulation, NeoplasticHomeodomain ProteinsHumansKidney NeoplasmsMaleNerve Tissue ProteinsPrognosisPromoter Regions, GeneticRNA, MessengerWilms TumorBiomarkers, TumorHomeodomain ProteinsNerve Tissue ProteinsRNA, MessengerSIX2 protein, humanBiomarkerSIX2 geneWilms’ tumor

Identifiers

PMID25921281
OpenAlexW2033008025

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.