Evidence map›Paper›PMID 25176351›Full record

ArticleBMC cancer2014

A multi-institutional study of the prevalence of BRCA1 and BRCA2 large genomic rearrangements in familial breast cancer patients.

Moon-Woo Seong, Sung Im Cho, Kyu Hyung Kim, Il Yong Chung, Eunyoung Kang, Jong Won Lee, Sue K Park, Min Hyuk Lee, Doo Ho Choi, Cha Kyong Yom and 5 more

Open access · goldAbstract readMulticenter Study
In one paragraph

Article in BMC cancer, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.8field-weighted citation impact, top 9% 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

19 citing papers in PubMed, 27 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Identification and Characterization of an Exonic Duplication inInternational journal of molecular sciences · 2022
    Article
  5. Article
  6. Review
  7. Article
  8. Review
  9. Breast cancer in six families from Tolima and Huila: BRCA1 3450del4 mutationBiomedica : revista del Instituto Nacional de Salud · 2020
    Article
  10. Article
  11. Article
  12. Journal of gynecologic oncology · 2018
    Article
  13. Article
  14. Article
  15. Frequency of Rearrangements Versus Small Indels Mutations inEuropean journal of breast health · 2018
    Article
  16. Article
  17. Article
  18. Article
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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

15 authors at 10 institutions in 1 country.

Moon-Woo Seong
Sung Im Cho
Kyu Hyung Kim
Il Yong Chung
Eunyoung Kang
Jong Won Lee
Sue K Park
Min Hyuk Lee
Doo Ho Choi
Cha Kyong Yom
Woo-Chul Noh
Myung Chul Chang
Sung Sup Park
Sung-Won KimDepartment of Surgery, Seoul National University Bundang Hospital, Sungnam, Korea. brcakorea@gmail.com.
Korean Hereditary Breast Cancer Study Group
Seoul National University Bundang Hospital · KRSeoul National University · KRSeoul National University Hospital · KRDankook University Hospital · KRKorea Institute of Radiological and Medical Sciences · KRMyongji Hospital · KRNational Medical Center · KRSamsung Medical Center · KRSoonchunhyang University Hospital Seoul · KRUlsan College · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundLarge genomic rearrangements (LGRs) in the BRCA1/2 genes are frequently observed in breast cancer patients who are negative for BRCA1/2 small mutations. Here, we examined 221 familial breast cancer patients from 37 hospitals to estimate the contribution of LGRs, in a nationwide context, to the development of breast cancer.

methodsDirect sequencing or mutation scanning followed by direct sequencing was performed to screen small mutations. BRCA1/2 small mutation-negative patients were screened for the presence of LGRs using a multiple ligation-dependent probe amplification (MLPA) assay.

resultsUsing a combined strategy to detect the presence of small mutations and LGRs, we identified BRCA1/2 small mutations in 78 (35.3%) out of 221 familial breast cancer patients and BRCA1 LGRs in 3 (2.1%) out of 143 BRCA1/2 small mutation-negative patients: the deletion of exons 11-13, the deletion of exons 13-15, and whole gene deletion of exons 1-24. The novel deletion of exons 11-13 is thought to result from a non-homologous recombination event mediated by a microhomology sequence comprised of 3 or 4 base pairs: c.3416_4357 + 1863delins187 (NG_005905.2: g.33369_44944delins187).

conclusionsIn this study, we showed that LGRs were found in 3.7% (3/81) of the patients who had mutations in BRCA1 or BRCA2, and 7.5% (3/40) of patients with mutations in BRCA1. This suggests that the contribution of LGRs to familial breast cancer in this population might be comparable to that in other ethnic populations. Given these findings, an MLPA to screen for mutations in the BRCA1 gene is recommended as an initial screening test in highly selective settings.

Indexed as

AdultAsian PeopleBRCA1 ProteinBRCA2 ProteinBreast NeoplasmsDNA Mutational AnalysisExonsFemaleGene DeletionHumansMutationOvarian NeoplasmsSequence Analysis, DNABRCA1 ProteinBRCA1 protein, humanBRCA2 ProteinBRCA2 protein, human

Identifiers

PMID25176351
PMCPMC4164743
OpenAlexW2102509454

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.