Evidence map›Paper›PMID 34606602›Full record

ArticleNucleic acids research2021

Oncogenic KRAS drives radioresistance through upregulation of NRF2-53BP1-mediated non-homologous end-joining repair.

Linlin Yang, Changxian Shen, Adriana Estrada-Bernal, Ryan Robb, Moumita Chatterjee, Nikhil Sebastian, Amy Webb, Xiaokui Mo, Wei Chen, Sunil Krishnan and 1 more

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
3.5field-weighted citation impact, top 6% 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, 67 citations in OpenAlex.

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  5. Radiosensitization of Glioblastoma by the K-ras Inhibitor RMC-6236.bioRxiv : the preprint server for biology · 2026
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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

11 authors at 3 institutions in 1 country.

Linlin YangDepartment of Radiation Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA.
Changxian ShenDepartment of Radiation Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA.ORCID 0000-0002-7668-7166
Adriana Estrada-BernalThe Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, Columbus, OH 43210, USA.
Ryan RobbThe Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, Columbus, OH 43210, USA.
Moumita ChatterjeeThe Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, Columbus, OH 43210, USA.
Nikhil SebastianThe Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, Columbus, OH 43210, USA.
Amy WebbThe Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, Columbus, OH 43210, USA.
Xiaokui MoThe Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, Columbus, OH 43210, USA.
Wei ChenThe Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, Columbus, OH 43210, USA.
Sunil KrishnanMayo Clinic Cancer Center, Jacksonville, FL 32224, USA.
Terence M WilliamsDepartment of Radiation Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA.ORCID 0000-0002-1020-0845
The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute · USCity Of Hope National Medical Center · USMayo Clinic in Florida · US

Funding

Translational Therapeutics Research Program (TT)P30CA016058 · NCI · OHIO STATE UNIVERSITY · PI Jennifer A. Woyach · 1985 to 2026
$132.3M
The Ohio State University Center for Clinical and Translational ScienceKL2TR001068 · NCATS · OHIO STATE UNIVERSITY · PI JACKSON, REBECCA D · 2013 to 2017
$2.7M
Exploiting Caveolae-Dependent Albumin Endocytosis to Optimize Therapy in Pancreatic CancerR01CA198128 · NCI · OHIO STATE UNIVERSITY · PI WILLIAMS, TERENCE MARQUES · 2016 to 2021
$2.4M
NCATS NIH HHS KL2 TR001068NCI NIH HHS P30 CA016058NCI NIH HHS R01 CA198128
6 · The paper itself

Abstract

KRAS-activating mutations are oncogenic drivers and are correlated with radioresistance of multiple cancers, including colorectal cancer, but the underlying precise molecular mechanisms remain elusive. Herein we model the radiosensitivity of isogenic HCT116 and SW48 colorectal cancer cell lines bearing wild-type or various mutant KRAS isoforms. We demonstrate that KRAS mutations indeed lead to radioresistance accompanied by reduced radiotherapy-induced mitotic catastrophe and an accelerated release from G2/M arrest. Moreover, KRAS mutations result in increased DNA damage response and upregulation of 53BP1 with associated increased non-homologous end-joining (NHEJ) repair. Remarkably, KRAS mutations lead to activation of NRF2 antioxidant signaling to increase 53BP1 gene transcription. Furthermore, genetic silencing or pharmacological inhibition of KRAS, NRF2 or 53BP1 attenuates KRAS mutation-induced radioresistance, especially in G1 phase cells. These findings reveal an important role for a KRAS-induced NRF2-53BP1 axis in the DNA repair and survival of KRAS-mutant tumor cells after radiotherapy, and indicate that targeting NRF2, 53BP1 or NHEJ may represent novel strategies to selectively abrogate KRAS mutation-mediated radioresistance.

Indexed as

DNA End-Joining RepairApoptosisCell Line, TumorCell ProliferationColonic NeoplasmsDNA Breaks, Double-StrandedDNA, NeoplasmG1 Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsGamma RaysGene Expression Regulation, NeoplasticHCT116 CellsHumansMutationNF-E2-Related Factor 2Proto-Oncogene Proteins p21(ras)DNA, NeoplasmKRAS protein, humanNFE2L2 protein, humanNF-E2-Related Factor 2Proto-Oncogene Proteins p21(ras)RNA, Small InterferingTP53BP1 protein, humanTumor Suppressor p53-Binding Protein 1

Identifiers

PMID34606602
PMCPMC8565339
OpenAlexW3203996092

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.