Evidence map›Paper›PMID 27449089›Full record

ArticleOncotarget2016

Checkpoint kinase 1 expression is an adverse prognostic marker and therapeutic target in MYC-driven medulloblastoma.

Eric W Prince, Ilango Balakrishnan, Monil Shah, Jean M Mulcahy Levy, Andrea M Griesinger, Irina Alimova, Peter S Harris, Diane K Birks, Andrew M Donson, Nathan Davidson and 6 more

Open access · diamondAbstract read
In one paragraph

Article in Oncotarget, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.4field-weighted citation impact, top 18% 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

15 citing papers in PubMed, 23 citations in OpenAlex.

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  14. Case-based review: pediatric medulloblastoma.Neuro-oncology practice · 2017
    Review
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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

16 authors at 4 institutions in 3 countries.

Eric W PrinceDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Ilango BalakrishnanDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Monil ShahUniversity of Colorado School of Medicine, Aurora, CO, United States.
Jean M Mulcahy LevyDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Andrea M GriesingerDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Irina AlimovaDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Peter S HarrisDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Diane K BirksDivision of Pediatric Neurosurgery, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Andrew M DonsonDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Nathan DavidsonDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Marc RemkeDKFZ German Cancer Research Center, University Hospital Düsseldorf, Heidelberg, Germany.
Michael D TaylorDivision of Neurosurgery, Program in Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto, ON, Canada.
Michael H HandlerDivision of Pediatric Neurosurgery, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Nicholas K ForemanDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Sujatha VenkataramanDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Rajeev VibhakarDepartment of Pediatrics and Section of Pediatric Hematology/Oncology/BMT, Children's Hospital Colorado and University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, United States.
Children's Hospital Colorado · USUniversity of Colorado Denver · USDüsseldorf University Hospital · DEHospital for Sick Children · CA

Funding

University of Colorado Cancer Center Support Grant - Lung Cancer Patient-Derived Xenografts with Autologous Human Immune SystemsP30CA046934 · NCI · UNIVERSITY OF COLORADO DENVER · PI James V Degregori · 1988 to 2026
$117.0M
Polo-Like Kinase 1 as a Therapeutic Target in MedulloblastomaR01NS086956 · NINDS · UNIVERSITY OF COLORADO DENVER · PI VIBHAKAR, RAJEEV · 2014 to 2018
$1.7M
Brain Enriched MicroRNA 128a and 9/9+: Impact on medulloblastoma pathogenesisK08NS059790 · NINDS · UNIVERSITY OF IOWA · PI VIBHAKAR, RAJEEV · 2008 to 2013
$844k
NCI NIH HHS P30 CA046934NINDS NIH HHS K08 NS059790NINDS NIH HHS R01 NS086956
6 · The paper itself

Abstract

Checkpoint kinase 1 (CHK1) is an integral component of the cell cycle as well as the DNA Damage Response (DDR) pathway. Previous work has demonstrated the effectiveness of inhibiting CHK1 with small-molecule inhibitors, but the role of CHK1 mediated DDR in medulloblastoma is unknown. CHK1, both at the mRNA and protein level, is highly expressed in medulloblastoma and elevated CHK1 expression in Group3 medulloblastoma is an adverse prognostic marker. CHK1 inhibition with the small-molecule drug AZD7762, results in decreased cell growth, increased DNA damage and cell apoptosis. Furthermore, AZD7762 acts in synergy with cisplatin in reducing cell proliferation in medulloblastoma. Similar phenotypic changes were observed with another CHK1 inhibitor, PF477736, as well as genetic knockdown using siRNA against CHK1. Treatments with small-molecule inhibitors of CHK1 profoundly modulated the expression of both upstream and downstream target proteins within the CHK1 signaling pathways. This suggests the presence of a feedback loop in activating CHK1. Overall, our results demonstrate that small-molecule inhibition of CHK1 in combination with, cisplatin, is more advantageous than either treatment alone, especially for Group 3 medulloblastoma, and therefore this combined therapeutic approach serves as an avenue for further investigation.

Indexed as

Antineoplastic Combined Chemotherapy ProtocolsApoptosisBenzodiazepinonesBiomarkers, TumorCell SurvivalCerebellar NeoplasmsCheckpoint Kinase 1CisplatinDisease-Free SurvivalGenes, mycHumansKaplan-Meier EstimateMedulloblastomaPrognosisPyrazolesThiophenes3-(carbamoylamino)-5-(3-fluorophenyl)-N-(3-piperidyl)thiophene-2-carboxamideBenzodiazepinonesBiomarkers, TumorCheckpoint Kinase 1CHEK1 protein, humanCisplatinPF 00477736PyrazolesThiophenesUreaCHK1medulloblastomaMyc

Identifiers

PMID27449089
PMCPMC5288228
OpenAlexW2496261742

What OpenQuestion holds

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LicenceCC BY
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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.