NM_000059.4(BRCA2):c.67+4T>C AND Breast-ovarian cancer, familial, susceptibility to, 2

Germline classification:: Conflicting interpretations of pathogenicity (5 submissions)
Last evaluated:: Apr 3, 2023
Review status:: criteria provided, conflicting classifications

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV000031643.11

Allele description [Variation Report for NM_000059.4(BRCA2):c.67+4T>C]

NM_000059.4(BRCA2):c.67+4T>C

Gene:

BRCA2:BRCA2 DNA repair associated [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

13q13.1

Genomic location:

Preferred name:

NM_000059.4(BRCA2):c.67+4T>C

HGVS:

NC_000013.11:g.32316531T>C
NG_012772.3:g.6052T>C
NG_017006.2:g.3833A>G
NM_000059.4:c.67+4T>CMANE SELECT
LRG_293t1:c.67+4T>C
LRG_293:g.6052T>C
NC_000013.10:g.32890668T>C
NG_017006.1:g.424A>G
NM_000059.3:c.67+4T>C

Nucleotide change:

IVS2+4T>C

Links:

dbSNP: rs373546450

NCBI 1000 Genomes Browser:

rs373546450

Molecular consequence:

NM_000059.4:c.67+4T>C - intron variant - [Sequence Ontology: SO:0001627]

Observations:

Condition(s)

Name:: Breast-ovarian cancer, familial, susceptibility to, 2 (BROVCA2)
Synonyms:: Breast-ovarian cancer, familial 2
Identifiers:: MONDO: MONDO:0012933; MedGen: C2675520; Orphanet: 145; OMIM: 612555

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000054250	Sharing Clinical Reports Project (SCRP)	no assertion criteria provided	Uncertain significance (Aug 25, 2008)	germline	clinical testing
SCV000267725	Michigan Medical Genetics Laboratories, University of Michigan	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Apr 21, 2016)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV000743234	Genome Diagnostics Laboratory, University Medical Center Utrecht - VKGL Data-share Consensus	criteria provided, single submitter (ACGS Guidelines, 2013)	Likely benign (Jul 28, 2017)	germline	clinical testing	Citation Link,
SCV000744377	Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center - VKGL Data-share Consensus	criteria provided, single submitter (ACGS Guidelines, 2013)	Benign (Sep 21, 2015)	germline	clinical testing	Citation Link,
SCV004822817	All of Us Research Program, National Institutes of Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain Significance (Apr 3, 2023)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 28135145, 25741868

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Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	not provided	1	not provided	not provided	1	not provided	clinical testing
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	unknown	1	not provided	not provided	108544	not provided	clinical testing

Citations

PubMed

Cancer Susceptibility Gene Mutations in Individuals With Colorectal Cancer.

Yurgelun MB, Kulke MH, Fuchs CS, Allen BA, Uno H, Hornick JL, Ukaegbu CI, Brais LK, McNamara PG, Mayer RJ, Schrag D, Meyerhardt JA, Ng K, Kidd J, Singh N, Hartman AR, Wenstrup RJ, Syngal S.

J Clin Oncol. 2017 Apr 1;35(10):1086-1095. doi: 10.1200/JCO.2016.71.0012. Epub 2017 Jan 30.

PubMed [citation]

PMID:: 28135145
PMCID:: PMC5455355

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Sharing Clinical Reports Project (SCRP), SCV000054250.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	not provided	1	not provided	not provided		not provided	not provided	not provided	not provided

From Michigan Medical Genetics Laboratories, University of Michigan, SCV000267725.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	Blood	not provided		not provided	not provided	not provided	not provided

From Genome Diagnostics Laboratory, University Medical Center Utrecht - VKGL Data-share Consensus, SCV000743234.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center - VKGL Data-share Consensus, SCV000744377.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From All of Us Research Program, National Institutes of Health, SCV004822817.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	1	not provided	not provided	clinical testing	PubMed (2)

Description

This variant causes a T to C nucleotide substitution at the +4 position of intron 2 of the BRCA2 gene. To our knowledge, RNA studies have not been reported for this variant. This variant has been reported in an individual affected with colorectal cancer (PMID: 28135145). This variant has been identified in 1/245274 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	108544	not provided	not provided		1	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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