Evidence map›Paper›PMID 28614736›Full record

ArticleNanomedicine : nanotechnology, biology, and medicine2017

Nanoparticle-mediated knockdown of DNA repair sensitizes cells to radiotherapy and extends survival in a genetic mouse model of glioblastoma.

Forrest M Kievit, Kui Wang, Tatsuya Ozawa, Aria W Tarudji, John R Silber, Eric C Holland, Richard G Ellenbogen, Miqin Zhang

Abstract read
In one paragraph

Article in Nanomedicine : nanotechnology, biology, and medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
–field-weighted citation impact
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

30 citing papers in PubMed.

  1. Obstacles and Trials in Treating Primary Brain Tumors.International journal of molecular sciences · 2026
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  12. Small Interfering RNA for Gliomas Treatment: Overcoming Hurdles in Delivery.Frontiers in cell and developmental biology · 2022
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  15. Novel Strategies for Nanoparticle-Based Radiosensitization in Glioblastoma.International journal of molecular sciences · 2021
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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

8 authors.

Forrest M KievitDepartment of Neurological Surgery, University of Washington, Seattle, WA, United States; Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, United States.
Kui WangDepartment of Materials Science and Engineering, University of Washington, Seattle, WA, United States.
Tatsuya OzawaDivision of Human Biology and Solid Tumor Translational Research, Fred Hutchinson Cancer Research Center, Department of Neurosurgery and Alvord Brain Tumor Center, University of Washington, Seattle, WA, United States.
Aria W TarudjiDepartment of Biochemistry, University of Washington, Seattle, WA, United States.
John R SilberDepartment of Neurological Surgery, University of Washington, Seattle, WA, United States.
Eric C HollandDepartment of Neurological Surgery, University of Washington, Seattle, WA, United States; Division of Human Biology and Solid Tumor Translational Research, Fred Hutchinson Cancer Research Center, Department of Neurosurgery and Alvord Brain Tumor Center, University of Washington, Seattle, WA, United States.
Richard G EllenbogenDepartment of Neurological Surgery, University of Washington, Seattle, WA, United States; Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, United States; Department of Radiology, University of Washington, Seattle, WA, United States. Electronic address: rge@uw.edu.
Miqin ZhangDepartment of Neurological Surgery, University of Washington, Seattle, WA, United States; Department of Materials Science and Engineering, University of Washington, Seattle, WA, United States; Department of Radiology, University of Washington, Seattle, WA, United States. Electronic address: mzhang@uw.edu.

Funding

Project 3: Single Cell Measures of Intratumor Diversity for Optimal Breast Cancer TherapyU54CA193461 · NCI · DANA-FARBER CANCER INST · PI MICHOR, FRANZISKA · 2015 to 2020
$11.2M
Non-neoplastic cell types dictate gliomagenesis andU01CA160882 · NCI · EMORY UNIVERSITY · PI HAMBARDZUMYAN, DOLORES, HOLLAND, ERIC C. · 2012 to 2016
$2.8M
Using genetically engineered mouse models of brain tumors to develop therapeutic nanoparticles & biomaterialsR01CA195718 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI HOLLAND, ERIC C., HOUGHTON, A MCGARRY · 2016 to 2018
$1.9M
Multifunctional nanoparticles to improve treatment of human glioblastomaR01CA161953 · NCI · UNIVERSITY OF WASHINGTON · PI ZHANG, MIQIN · 2013 to 2017
$1.7M
NCI NIH HHS R01 CA161953NCI NIH HHS R01 CA195718NCI NIH HHS U01 CA160882NCI NIH HHS U54 CA193461
6 · The paper itself

Abstract

Glioblastoma (GBM) remains incurable, and recurrent tumors rarely respond to standard-of-care radiation and chemo-therapies. Therefore, strategies that enhance the effects of these therapies should provide significant benefits to GBM patients. We have developed a nanoparticle delivery vehicle that can stably bind and protect nucleic acids for specific delivery into brain tumor cells. These nanoparticles can deliver therapeutic siRNAs to sensitize GBM cells to radiotherapy and improve GBM treatment via systemic administration. We show that nanoparticle-mediated knockdown of the DNA repair protein apurinic endonuclease 1 (Ape1) sensitizes GBM cells to radiotherapy and extend survival in a genetic mouse model of GBM. Specific knockdown of Ape1 activity by 30% in brain tumor tissue doubled the extended survival achieved with radiotherapy alone. Ape1 is a promising target for increasing the effectiveness of radiotherapy, and nanoparticle-mediated delivery of siRNA is a promising strategy for tumor specific knockdown of Ape1.

Indexed as

DNA RepairAnimalsBrainBrain NeoplasmsCell Line, TumorDisease Models, AnimalDNA-(Apurinic or Apyrimidinic Site) LyaseDrug CarriersGlioblastomaMiceNanoparticlesRNAi TherapeuticsRNA, Small InterferingApex1 protein, mouseDNA-(Apurinic or Apyrimidinic Site) LyaseDrug CarriersRNA, Small InterferingApe1/APEX1GlioblastomaNanoparticleRadiosensitizationsiRNA

Identifiers

PMID28614736
PMCPMC6002851

What OpenQuestion holds

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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.