Evidence map›Paper›PMID 22641215›Full record

ArticleOncogene2013

Targeting abnormal DNA double-strand break repair in tyrosine kinase inhibitor-resistant chronic myeloid leukemias.

L A Tobin, C Robert, A P Rapoport, I Gojo, M R Baer, A E Tomkinson, F V Rassool

Open access · greenAbstract read
In one paragraph

Article in Oncogene, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed
5.4field-weighted citation impact, top 3% 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

62 citing papers in PubMed, 108 citations in OpenAlex.

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2 more citing papers are in PubMed but not listed here.

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

7 authors at 3 institutions in 1 country.

L A TobinDepartment of Radiation Oncology, Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
C Robert
A P Rapoport
I Gojo
M R Baer
A E Tomkinson
F V Rassool
University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer CenterUniversity of Maryland, Baltimore · USNew Mexico Cancer Center · US

Funding

Transcription-Coupled & Replication-Associated Excision RepairP01CA092584 · NCI · UNIVERSITY OF CALIF-LAWRENC BERKELEY LAB · PI John A. Tainer · 2001 to 2026
$89.6M
Roles of LIG3 and XRCC1 genes in genome stability.R01ES012512 · NIEHS · UNIVERSITY OF NEW MEXICO HEALTH SCIS CTR · PI Alan E Tomkinson · 2004 to 2026
$6.3M
NCI NIH HHS CA92584NCI NIH HHS P01 CA092584NIEHS NIH HHS ES 012512NIEHS NIH HHS R01 ES012512
6 · The paper itself

Abstract

Resistance to imatinib (IM) and other tyrosine kinase inhibitors (TKI)s is an increasing problem in leukemias caused by expression of BCR-ABL1. As chronic myeloid leukemia (CML) cell lines expressing BCR-ABL1 utilize an alternative non-homologous end-joining pathway (ALT NHEJ) to repair DNA double-strand breaks (DSB)s, we asked whether this repair pathway is a novel therapeutic target in TKI-resistant disease. Notably, the steady state levels of two ALT NHEJ proteins, poly-(ADP-ribose) polymerase 1 (PARP1) and DNA ligase IIIα, were increased in the BCR-ABL1-positive CML cell line K562 and, to a greater extent, in its imatinib-resistant (IMR) derivative. Incubation of these cell lines with a combination of DNA ligase and PARP inhibitors inhibited ALT NHEJ and selectively decreased survival with the effect being greater in the IMR derivative. Similar results were obtained with TKI-resistant derivatives of two hematopoietic cell lines that had been engineered to stably express BCR-ABL1. Together our results show that the sensitivity of cell lines expressing BCR-ABL1 to the combination of DNA ligase and PARP inhibitors correlates with the steady state levels of PARP1 and DNA ligase IIIα, and ALT NHEJ activity. Importantly, analysis of clinical samples from CML patients confirmed that the expression levels of PARP1 and DNA ligase IIIα correlated with the sensitivity to the DNA repair inhibitor combination. Thus, the expression levels of PARP1 and DNA ligase IIIα serve as biomarkers to identify a subgroup of CML patients who may be candidates for therapies that target the ALT NHEJ pathway when treatment with TKIs has failed.

Indexed as

Poly(ADP-ribose) Polymerase InhibitorsAntineoplastic Combined Chemotherapy ProtocolsApoptosisBenzamidesBlotting, WesternCell ProliferationComparative Genomic HybridizationDNA Breaks, Double-StrandedDNA End-Joining RepairDNA Ligase ATPDNA LigasesDrug Resistance, NeoplasmEnzyme InhibitorsFluorescent Antibody TechniqueFusion Proteins, bcr-ablHumansBenzamidesDNA Ligase ATPDNA ligase III alpha protein, XenopusDNA LigasesEnzyme InhibitorsFusion Proteins, bcr-ablImatinib MesylatePARP1 protein, humanPiperazinesPoly-ADP-Ribose Binding ProteinsPoly (ADP-Ribose) Polymerase-1Poly(ADP-ribose) Polymerase InhibitorsPoly(ADP-ribose) PolymerasesProtein Kinase InhibitorsPyrimidinesRNA, MessengerRNA, Small InterferingXenopus Proteins

Identifiers

PMID22641215
PMCPMC3752989
OpenAlexW2061020520

What OpenQuestion holds

Textmetadata
LicenceTDM
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.