Evidence map›Paper›PMID 27270314›Full record

ArticleOncotarget2016

Whole-exome sequencing to identify somatic mutations in peritoneal metastatic gastric adenocarcinoma: A preliminary study.

Hao Liu, Fengping Li, Yu Zhu, Tingting Li, Haipeng Huang, Tian Lin, Yanfeng Hu, Xiaolong Qi, Jiang Yu, Guoxin Li

Open access · diamondAbstract readCase Reports
In one paragraph

Article in Oncotarget, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.5field-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

21 citing papers in PubMed, 38 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

10 authors at 2 institutions in 1 country.

Hao LiuDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Fengping LiDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Yu ZhuDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Tingting LiDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Haipeng HuangDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Tian LinDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Yanfeng HuDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Xiaolong QiDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Jiang YuDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Guoxin LiDepartment of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
Nanfang Hospital · CNSouthern Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Peritoneal metastasis occurs in more than half of patients with unresectable or recurrent gastric cancer and is associated with the worst prognosis. The associated genomic events and pathogenesis remain ambiguous. The aim of the present study was to characterize the mutation spectrum of gastric cancer with peritoneal metastasis and provide a basis for the identification of new biomarkers and treatment targets. Matched pairs of normal gastric mucosa and peritoneal tissue and matched pairs of primary tumor and peritoneal metastasis were collected from one patient for whole-exome sequencing (WES); Sanger sequencing was employed to confirm the somatic mutations. G>A and C>T mutations were the two most frequent transversions among the somatic mutations. We confirmed 48somatic mutations in the primary site and 49 in the peritoneal site. Additionally, 25 non-synonymous somatic variations (single-nucleotide variants, SNVs) and 2 somatic insertions/deletions (INDELs) were confirmed in the primary tumor, and 30 SNVs and 5 INDELs were verified in the peritoneal metastasis. Approximately 59% of the somatic mutations were shared between the primary and metastatic site. Five genes (TP53, BAI1, THSD1, ARID2, and KIAA2022) verified in our study were also mutated at a frequency greater than 5%in the COSMIC database. We also identified 9genes (ERBB4, ZNF721, NT5E, PDE10A, CA1, NUMB, NBN, ZFYVE16, and NCAM1) that were only mutated in metastasis and are expected to become treatment targets. In conclusion, we observed that the majority of the somatic mutations in the primary site persisted in metastasis, whereas several single-nucleotide polymorphisms occurred de novo at the second site.

Indexed as

AdenocarcinomaDNA Mutational AnalysisExome SequencingFemaleHumansMaleMiddle AgedMutationPeritoneal NeoplasmsStomach Neoplasmsgastric cancerperitoneal metastasisSanger sequencingsomatic mutationwhole-exome sequencing (WES)

Identifiers

PMID27270314
PMCPMC5190066
OpenAlexW2475032265

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LicenceCC BY
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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.