Evidence map›Paper›PMID 24619078›Full record

ArticleBritish journal of cancer2014

Activation of the PI3K/AKT pathway correlates with prognosis in stage II colon cancer.

K Malinowsky, U Nitsche, K-P Janssen, F G Bader, C Späth, E Drecoll, G Keller, H Höfler, J Slotta-Huspenina, K-F Becker

Open access · bronzeAbstract read
In one paragraph

Article in British journal of cancer, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed, 1 pooled it
7.8field-weighted citation impact, top 2% 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

56 citing papers in PubMed, 1 synthesis or guideline pooled it, 106 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 3 institutions in 1 country.

K MalinowskyDepartment of Pathology, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
U NitscheDepartment of Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
K-P JanssenDepartment of Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
F G BaderDepartment of Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
C SpäthDepartment of Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
E DrecollDepartment of Pathology, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
G KellerDepartment of Pathology, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
H Höfler1] Department of Pathology, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany [2] Department of Pathology, Helmholtz-Centre Munich, Ingolstädter Landstrasse 1, 85764 Munich, Germany.
J Slotta-HuspeninaDepartment of Pathology, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
K-F BeckerDepartment of Pathology, Technische Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
Technical University of Munich · DEKlinikum rechts der Isar · DEHelmholtz Zentrum München · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPatients with UICC/AJCC stage II colon cancer have a high 5-year overall survival rate after surgery. Nevertheless, a significant subgroup of patients develops tumour recurrence. Currently, there are no clinically established biomarkers available to identify this patient group. We applied reverse-phase protein arrays (RPPA) for phosphatidylinositide-3-kinase pathway activation mapping to stratify patients according to their risk of tumour recurrence after surgery.

methodsFull-length proteins were extracted from formalin-fixed, paraffin-embedded tissue samples of 118 patients who underwent curative resection. RPPA technology was used to analyse expression and/or phosphorylation levels of six major factors of the phosphatidylinositide-3-kinase pathway. Oncogenic mutations of KRAS and BRAF, and DNA microsatellite status, currently discussed as prognostic markers, were analysed in parallel.

resultsExpression of phospho-AKT (HR=3.52; P=0.032), S6RP (HR=6.3; P=0.044), and phospho-4E-BP1 (HR=4.12; P=0.011) were prognostic factors for disease-free survival. None of the molecular genetic alterations were significantly associated with prognosis.

conclusionsOur data indicate that activation of the PI3K/AKT pathway evidenced on the protein level might be a valuable prognostic marker to stratify patients for their risk of tumour recurrence. Beside adjuvant chemotherapy targeting of upregulated PI3K/AKT signalling may be an attractive strategy for treatment of high-risk patients.

Indexed as

PrognosisAdultAgedAged, 80 and overBiomarkers, TumorColonic NeoplasmsDisease-Free SurvivalElafinFemaleHumansKaplan-Meier EstimateMaleMiddle AgedMutationNeoplasm Recurrence, LocalNeoplasm StagingBiomarkers, TumorElafinPI3 protein, humanProto-Oncogene Proteins c-akt

Identifiers

PMID24619078
PMCPMC3992486
OpenAlexW2110475824

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.