NM_000059.4(BRCA2):c.4357A>G (p.Lys1453Glu) AND Breast-ovarian cancer, familial, susceptibility to, 2

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Dec 1, 2023
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

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:: RCV000119103.7

Allele description [Variation Report for NM_000059.4(BRCA2):c.4357A>G (p.Lys1453Glu)]

NM_000059.4(BRCA2):c.4357A>G (p.Lys1453Glu)

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.4357A>G (p.Lys1453Glu)

HGVS:

NC_000013.11:g.32338712A>G
NG_012772.3:g.28233A>G
NM_000059.4:c.4357A>GMANE SELECT
NP_000050.2:p.Lys1453Glu
NP_000050.3:p.Lys1453Glu
LRG_293t1:c.4357A>G
LRG_293:g.28233A>G
LRG_293p1:p.Lys1453Glu
NC_000013.10:g.32912849A>G
NM_000059.3:c.4357A>G
p.K1453E

Protein change:

K1453E

Links:

dbSNP: rs397507330

NCBI 1000 Genomes Browser:

rs397507330

Molecular consequence:

NM_000059.4:c.4357A>G - missense variant - [Sequence Ontology: SO:0001583]

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
SCV000054083	Sharing Clinical Reports Project (SCRP)	no assertion criteria provided	Uncertain significance (Dec 11, 2006)	germline	clinical testing
SCV004845669	All of Us Research Program, National Institutes of Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain Significance (Dec 1, 2023)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 33471991, 25741868

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000054083

Sharing Clinical Reports Project (SCRP)

no assertion criteria provided

Uncertain significance
(Dec 11, 2006)

germline

clinical testing

SCV004845669

All of Us Research Program, National Institutes of Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain Significance
(Dec 1, 2023)

germline

clinical testing

PubMed (2)
[See all records that cite these PMIDs]

Help

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	unknown	4	not provided	not provided	108544	not provided	clinical testing

Citations

PubMed

Breast Cancer Risk Genes - Association Analysis in More than 113,000 Women.

Breast Cancer Association Consortium., Dorling L, Carvalho S, Allen J, González-Neira A, Luccarini C, Wahlström C, Pooley KA, Parsons MT, Fortuno C, Wang Q, Bolla MK, Dennis J, Keeman R, Alonso MR, Álvarez N, Herraez B, Fernandez V, Núñez-Torres R, Osorio A, Valcich J, Li M, et al.

N Engl J Med. 2021 Feb 4;384(5):428-439. doi: 10.1056/NEJMoa1913948. Epub 2021 Jan 20.

PubMed [citation]

PMID:: 33471991
PMCID:: PMC7611105

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), SCV000054083.3

#	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 All of Us Research Program, National Institutes of Health, SCV004845669.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	4	not provided	not provided	clinical testing	PubMed (2)

Description

This missense variant replaces lysine with glutamic acid at codon 1453 of the BRCA2 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has been reported in a breast cancer case-control meta-analysis in 1/60465 cases and 3/53458 unaffected individuals (PMID: 33471991; Leiden Open Variation Database DB-ID BRCA2_008197). This variant has been identified in 3/242606 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		4	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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