Evidence map›Paper›PMID 27239120›Full record

ArticleWorld journal of gastroenterology2016

Longitudinal molecular characterization of endoscopic specimens from colorectal lesions.

Petra Minarikova, Lucie Benesova, Tereza Halkova, Barbora Belsanova, Stepan Suchanek, Jiri Cyrany, Inna Tuckova, Jan Bures, Miroslav Zavoral, Marek Minarik

Open access · hybridAbstract readEvaluation Study
In one paragraph

Article in World journal of gastroenterology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 28% 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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Pooled it
  2. Article
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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 4 institutions in 1 country.

Petra MinarikovaPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Lucie BenesovaPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Tereza HalkovaPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Barbora BelsanovaPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Stepan SuchanekPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Jiri CyranyPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Inna TuckovaPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Jan BuresPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Miroslav ZavoralPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Marek MinarikPetra Minarikova, Stepan Suchanek, Miroslav Zavoral, Inna Tuckova, Marek Minarik, Department of Internal Medicine, 1st Faculty of Medicine of Charles University and Military University Hospital, CZ 16902 Prague, Czech Republic.
Charles University · CZGenomac · CZUniversity Hospital Hradec Králové · CZMilitary University Hospital Prague · CZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo compare molecular profiles of proximal colon, distal colon and rectum in large adenomas, early and late carcinomas. To assess feasibility of testing directed at molecular markers from this study in routine clinical practice.

methodsA prospective 3-year study has resulted in the acquisition of samples from 159 large adenomas and 138 carcinomas along with associated clinical parameters including localization, grade and histological type for adenomas and localization and stage for carcinomas. A complex molecular phenotyping has been performed using multiplex ligation-dependent probe amplification technique for the evaluation of CpG-island methylator phenotype (CIMP), PCR fragment analysis for detection of microsatellite instability and denaturing capillary electrophoresis for sensitive detection of somatic mutations in KRAS, BRAF, TP53 and APC genes.

resultsMolecular types according to previously introduced Jass classification have been evaluated for large adenomas and early and late carcinomas. An increase in CIMP+ type, eventually accompanied with KRAS mutations, was notable between large adenomas and early carcinomas. As expected, the longitudinal observations revealed a correlation of the CIMP+/BRAF+ type with proximal location.

conclusionProspective molecular classification of tissue specimens is feasible in routine endoscopy practice. Increased frequency of some molecular types corresponds to the developmental stages of colorectal tumors. As expected, a clear distinction is notable for tumors located in proximal colon supposedly arising from the serrated (methylation) pathway.

Indexed as

ColonoscopyMultiplex Polymerase Chain ReactionAdenomaAdenomatous Polyposis Coli ProteinAdultAgedAged, 80 and overBiomarkers, TumorBiopsyCarcinomaColorectal NeoplasmsCpG IslandsDNA MethylationDNA Mutational AnalysisFeasibility StudiesFemaleAdenomatous Polyposis Coli ProteinAPC protein, humanBiomarkers, TumorBRAF protein, humanKRAS protein, humanProto-Oncogene Proteins B-rafProto-Oncogene Proteins p21(ras)TP53 protein, humanTumor Suppressor Protein p53BRAFColorectal cancerCpG-island methylator phenotypeDNAMicrosatellite instability

Identifiers

PMID27239120
PMCPMC4873886
OpenAlexW2407608805

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.