NM_000059.4(BRCA2):c.4036dup (p.Thr1346fs) AND Hereditary breast ovarian cancer syndrome

Germline classification:: Pathogenic (1 submission)
Last evaluated:: Oct 31, 2021
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:: RCV001942015.4

Allele description [Variation Report for NM_000059.4(BRCA2):c.4036dup (p.Thr1346fs)]

NM_000059.4(BRCA2):c.4036dup (p.Thr1346fs)

Gene:

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

Variant type:

Duplication

Cytogenetic location:

13q13.1

Genomic location:

Preferred name:

NM_000059.4(BRCA2):c.4036dup (p.Thr1346fs)

HGVS:

NC_000013.11:g.32338391dup
NG_012772.3:g.27912dup
NM_000059.4:c.4036dupMANE SELECT
NP_000050.3:p.Thr1346fs
LRG_293:g.27912dup
NC_000013.10:g.32912527_32912528insA
NC_000013.10:g.32912528dup

Protein change:

T1346fs

Links:

dbSNP: rs2137502311

NCBI 1000 Genomes Browser:

rs2137502311

Molecular consequence:

NM_000059.4:c.4036dup - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:: Hereditary breast ovarian cancer syndrome
Synonyms:: Hereditary breast and ovarian cancer syndrome; Hereditary breast and ovarian cancer; Hereditary breast and ovarian cancer syndrome (HBOC); See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0003582; MeSH: D061325; MedGen: C0677776; Orphanet: 145

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002229484	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Pathogenic (Oct 31, 2021)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 20104584, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002229484

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Pathogenic
(Oct 31, 2021)

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	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Characterization of BRCA1 and BRCA2 deleterious mutations and variants of unknown clinical significance in unilateral and bilateral breast cancer: the WECARE study.

Borg A, Haile RW, Malone KE, Capanu M, Diep A, Törngren T, Teraoka S, Begg CB, Thomas DC, Concannon P, Mellemkjaer L, Bernstein L, Tellhed L, Xue S, Olson ER, Liang X, Dolle J, Børresen-Dale AL, Bernstein JL.

Hum Mutat. 2010 Mar;31(3):E1200-40. doi: 10.1002/humu.21202.

PubMed [citation]

PMID:: 20104584
PMCID:: PMC2928257

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002229484.3

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

Description

For these reasons, this variant has been classified as Pathogenic. This variant has not been reported in the literature in individuals affected with BRCA2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Thr1346Asnfs*6) in the BRCA2 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in BRCA2 are known to be pathogenic (PMID: 20104584).

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

Last Updated: Sep 29, 2024

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