Evidence map›Paper›PMID 21472129›Full record

ArticleWorld journal of gastroenterology2011

Survivin isoforms and clinicopathological characteristics in colorectal adenocarcinomas using real-time qPCR.

Anastasia Pavlidou, Maria Dalamaga, Christos Kroupis, George Konstantoudakis, Maria Belimezi, George Athanasas, Kleanthi Dimas

Open access · hybridAbstract read
In one paragraph

Article in World journal of gastroenterology, 2011. 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
1.3field-weighted citation impact, top 21% 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, 40 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

7 authors at 1 institution in 1 country.

Anastasia PavlidouDepartment of Clinical Biochemistry, Attikon University Hospital, Athens 12462, Greece. anastasiada@hotmail.com
Maria Dalamaga
Christos Kroupis
George Konstantoudakis
Maria Belimezi
George Athanasas
Kleanthi Dimas
University General Hospital Attikon · GR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo investigate three isoforms of survivin in colorectal adenocarcinomas.

methodsWe used the LightCycler Technology (Roche), along with a common forward primer and reverse primers specific for the splice variants and two common hybridization probes labeled with fluorescein and LightCycler-Red fluorophore (LC-Red 640). Real time quantitative polymerase chain reaction (PCR) was performed on cDNAs from 52 tumor specimens from colorectal cancer patients and 10 unrelated normal colorectal tissues. In the patients group, carcinoembryonic antigen (CEA) and CA19-9 tumor markers were also measured immunochemically.

resultsWild type survivin mRNA isoform was expressed in 48% of the 52 tumor samples, survivin-2b in 38% and survivin-ΔΕx3 in 29%, while no expression was found in normal tissues. The mRNA expression of wild type survivin presented a significant correlation with the expression of the ratio of survivin-2b, survivin-ΔΕx3, survivin-2b/wild type survivin and survivin-ΔΕx3/wild type survivin (P < 0.001). The mRNA expression of wild-survivin and survivin-ΔΕx3 was related with tumor size and invasion (P = 0.006 and P < 0.005, respectively). A significant difference was found between survivin-2b and morphologic cancer type. Also, the ratio of survivin-ΔEx3/wild-survivin was significantly associated with prognosis. No association was observed between the three isoforms and grade, metastasis, Dukes stage and gender. The three isoforms were not correlated with CEA and CA19-9.

conclusionSurvivin isoforms may play a role in cell apoptosis and their quantification could provide information about clinical management of patients suffering from colorectal cancer.

Indexed as

Polymerase Chain ReactionAdenocarcinomaAdultAgedAged, 80 and overAnalysis of VarianceApoptosisCA-19-9 AntigenCarcinoembryonic AntigenCase-Control StudiesChi-Square DistributionColorectal NeoplasmsFemaleGreeceHumansImmunohistochemistryBIRC5 protein, humanCA-19-9 AntigenCarcinoembryonic AntigenInhibitor of Apoptosis ProteinsProtein IsoformsRNA, MessengerSurvivinApoptosis geneColorectal adenocarcinomasLightcyclermRNA isoformsReal time quantitative polymerase chain reactionSurvivin

Identifiers

PMID21472129
PMCPMC3070134
OpenAlexW2036152547

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.