Evidence map›Paper›PMID 27454287›Full record

ArticleThe Journal of clinical investigation2016

BRCA1185delAG tumors may acquire therapy resistance through expression of RING-less BRCA1.

Rinske Drost, Kiranjit K Dhillon, Hanneke van der Gulden, Ingrid van der Heijden, Inger Brandsma, Cristina Cruz, Dafni Chondronasiou, Marta Castroviejo-Bermejo, Ute Boon, Eva Schut and 19 more

Abstract read
In one paragraph

Article in The Journal of clinical investigation, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
91citing papers in PubMed, 1 pooled it
–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

91 citing papers in PubMed, 1 synthesis or guideline pooled it.

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

29 authors.

Rinske Drost
Kiranjit K Dhillon
Hanneke van der Gulden
Ingrid van der Heijden
Inger Brandsma
Cristina Cruz
Dafni Chondronasiou
Marta Castroviejo-Bermejo
Ute Boon
Eva Schut
Eline van der Burg
Ellen Wientjens
Mark Pieterse
Christiaan Klijn
Sjoerd Klarenbeek
Fabricio Loayza-Puch
Ran Elkon
Liesbeth van Deemter
Sven Rottenberg
Marieke van de Ven
Dick H W Dekkers
Jeroen A A Demmers
Dik C van Gent
Reuven Agami
Judith Balmaña
Violeta Serra
Toshiyasu Taniguchi
Peter Bouwman
Jos Jonkers

Funding

Chromosome Metabolism and Cancer Training GrantT32CA009657 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI EISENMAN, ROBERT NEIL · 1991 to 2020
$7.6M
The Fanconi Anemia-BRCA Pathway And Chemosensitivity of Human CancerR01CA125636 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI TANIGUCHI, TOSHIYASU · 2007 to 2011
$1.6M
NCI NIH HHS R01 CA125636NCI NIH HHS T32 CA009657
6 · The paper itself

Abstract

Heterozygous germline mutations in breast cancer 1 (BRCA1) strongly predispose women to breast cancer. BRCA1 plays an important role in DNA double-strand break (DSB) repair via homologous recombination (HR), which is important for tumor suppression. Although BRCA1-deficient cells are highly sensitive to treatment with DSB-inducing agents through their HR deficiency (HRD), BRCA1-associated tumors display heterogeneous responses to platinum drugs and poly(ADP-ribose) polymerase (PARP) inhibitors in clinical trials. It is unclear whether all pathogenic BRCA1 mutations have similar effects on the response to therapy. Here, we have investigated mammary tumorigenesis and therapy sensitivity in mice carrying the Brca1185stop and Brca15382stop alleles, which respectively mimic the 2 most common BRCA1 founder mutations, BRCA1185delAG and BRCA15382insC. Both the Brca1185stop and Brca15382stop mutations predisposed animals to mammary tumors, but Brca1185stop tumors responded markedly worse to HRD-targeted therapy than did Brca15382stop tumors. Mice expressing Brca1185stop mutations also developed therapy resistance more rapidly than did mice expressing Brca15382stop. We determined that both murine Brca1185stop tumors and human BRCA1185delAG breast cancer cells expressed a really interesting new gene domain-less (RING-less) BRCA1 protein that mediated resistance to HRD-targeted therapies. Together, these results suggest that expression of RING-less BRCA1 may serve as a marker to predict poor response to DSB-inducing therapy in human cancer patients.

Indexed as

Drug Resistance, NeoplasmGene DeletionAllelesAnimalsAntineoplastic AgentsBRCA1 ProteinBreast NeoplasmsCisplatinCrosses, GeneticDNA DamageDrug Screening Assays, AntitumorFemaleFounder EffectFrameshift MutationGenetic EngineeringHumansAntineoplastic AgentsBRCA1 ProteinBRCA1 protein, humanCisplatinolaparibPhthalazinesPiperazinesPoly(ADP-ribose) Polymerases

Identifiers

PMID27454287
PMCPMC4966325

What OpenQuestion holds

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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.