Evidence map›Paper›PMID 26121251›Full record

ArticlePloS one2015

A Potential Role for the Inhibition of PI3K Signaling in Glioblastoma Therapy.

Stephanie Ströbele, Matthias Schneider, Lukas Schneele, Markus D Siegelin, Lisa Nonnenmacher, Shaoxia Zhou, Georg Karpel-Massler, Georg Karpel-Massle, Mike-Andrew Westhoff, Marc-Eric Halatsch and 1 more

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
2.8field-weighted citation impact, top 10% 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

33 citing papers in PubMed, 44 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors at 3 institutions in 2 countries.

Stephanie StröbeleDepartment of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany; Department of Neurosurgery, University Medical Center Ulm, Ulm, Germany.
Matthias SchneiderDepartment of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany; Department of Neurosurgery, University Medical Center Ulm, Ulm, Germany.
Lukas SchneeleDepartment of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany.
Markus D SiegelinDepartment of Pathology and Cell Biology, Columbia University Medical Center, New York, New York, United States of America.
Lisa NonnenmacherDepartment of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany.
Shaoxia ZhouDepartment of Clinical Chemistry, University Medical Center Ulm, Ulm, Germany.
Georg Karpel-Massler
Georg Karpel-MassleDepartment of Neurosurgery, University Medical Center Ulm, Ulm, Germany; Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York, United States of America.
Mike-Andrew WesthoffDepartment of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany.
Marc-Eric HalatschDepartment of Neurosurgery, University Medical Center Ulm, Ulm, Germany.
Klaus-Michael DebatinDepartment of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany.
University Hospital Ulm · DEUniversität Ulm · DEColumbia University Irving Medical Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glioblastoma multiforme (GBM) is the most common primary brain tumor and among the most difficult to treat malignancies per se. In almost 90% of all GBM alterations in the PI3K/Akt/mTOR have been found, making this survival cascade a promising therapeutic target, particular for combination therapy that combines an apoptosis sensitizer, such as a pharmacological inhibitor of PI3K, with an apoptosis inducer, such as radio- or chemotherapy. However, while in vitro data focusing mainly on established cell lines has appeared rather promising, this has not translated well to a clinical setting. In this study, we analyze the effects of the dual kinase inhibitor PI-103, which blocks PI3K and mTOR activity, on three matched pairs of GBM stem cells/differentiated cells. While blocking PI3K-mediated signaling has a profound effect on cellular proliferation, in contrast to data presented on two GBM cell lines (A172 and U87) PI-103 actually counteracts the effect of chemotherapy. While we found no indications for a potential role of the PI3K signaling cascade in differentiation, we saw a clear and strong contribution to cellular motility and, by extension, invasion. While blocking PI3K-mediated signaling concurrently with application of chemotherapy does not appear to be a valid treatment option, pharmacological inhibitors, such as PI-103, nevertheless have an important place in future therapeutic approaches.

Indexed as

Antineoplastic AgentsApoptosisBrain NeoplasmsCell Line, TumorCell MovementCell ProliferationCell SurvivalDacarbazineDrug SynergismFuransGlioblastomaHumansNeoplasm StagingPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsProtein Kinase InhibitorsAntineoplastic AgentsDacarbazineFuransPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPI103Protein Kinase InhibitorsPyridinesPyrimidinesTemozolomideTOR Serine-Threonine Kinases

Identifiers

PMID26121251
PMCPMC4488267
OpenAlexW1487439618

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.