Evidence map›Paper›PMID 29024942›Full record

ArticleBritish journal of cancer2017

Loss of Myosin Vb in colorectal cancer is a strong prognostic factor for disease recurrence.

Elisabeth Letellier, Martine Schmitz, Aurélien Ginolhac, Fabien Rodriguez, Pit Ullmann, Komal Qureshi-Baig, Sonia Frasquilho, Laurent Antunes, Serge Haan

Open access · hybridAbstract read
In one paragraph

Article in British journal of cancer, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
4.4field-weighted citation impact, top 5% 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

25 citing papers in PubMed, 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

9 authors at 2 institutions in 1 country.

Elisabeth LetellierMolecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6, Avenue du Swing, L-4367 Belvaux, Luxembourg.
Martine SchmitzMolecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6, Avenue du Swing, L-4367 Belvaux, Luxembourg.
Aurélien GinolhacBioinformatics Core Facility, Life Sciences Research Unit, University of Luxembourg, 6, Avenue du Swing, L-4367 Belvaux, Luxembourg.
Fabien RodriguezMolecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6, Avenue du Swing, L-4367 Belvaux, Luxembourg.
Pit UllmannMolecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6, Avenue du Swing, L-4367 Belvaux, Luxembourg.
Komal Qureshi-BaigMolecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6, Avenue du Swing, L-4367 Belvaux, Luxembourg.
Sonia FrasquilhoIntegrated Biobank of Luxembourg, 6, rue Nicolas Ernest Barblé, L-1210 Luxembourg, Luxembourg.
Laurent AntunesIntegrated Biobank of Luxembourg, 6, rue Nicolas Ernest Barblé, L-1210 Luxembourg, Luxembourg.
Serge HaanMolecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6, Avenue du Swing, L-4367 Belvaux, Luxembourg.
University of Luxembourg · LUCentral Bank of Luxembourg · LU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSelecting the most beneficial treatment regimens for colorectal cancer (CRC) patients remains challenging due to a lack of prognostic markers. Members of the Myosin family, proteins recognised to have a major role in trafficking and polarisation of cells, have recently been reported to be closely associated with several types of cancer and might thus serve as potential prognostic markers in the context of CRC.

methodsWe used a previously established meta-analysis of publicly available gene expression data to analyse the expression of different members of the Myosin V family, namely MYO5A, 5B, and 5C, in CRC. Using laser-microdissected material as well as tissue microarrays from paired human CRC samples, we validated both RNA and protein expression of Myosin Vb (MYO5B) and its known adapter proteins (RAB8A and RAB25) in an independent patient cohort. Finally, we assessed the prognostic value of both MYO5B and its adapter-coupled combinatorial gene expression signatures.

resultsThe meta-analysis as well as an independent patient cohort study revealed a methylation-independent loss of MYO5B expression in CRC that matched disease progression. Although MYO5B mutations were identified in a small number of patients, these cannot be solely responsible for the common downregulation observed in CRC patients. Significantly, CRC patients with low MYO5B expression displayed shorter overall, disease-, and metastasis-free survival, a trend that was further reinforced when RAB8A expression was also taken into account.

conclusionsOur data identify MYO5B as a powerful prognostic biomarker in CRC, especially in early stages (stages I and II), which might help stratifying patients with stage II for adjuvant chemotherapy.

Indexed as

Colorectal NeoplasmsComputational BiologyDNA MethylationEpithelial-Mesenchymal TransitionHumansMutationMyosin Heavy ChainsMyosin Type VNeoplasm Recurrence, LocalPrognosisrab GTP-Binding ProteinsTissue Array AnalysisMYO5B protein, humanMyosin Heavy ChainsMyosin Type VRAB8A protein, humanrab GTP-Binding Proteins

Identifiers

PMID29024942
PMCPMC5729446
OpenAlexW2763608603

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.