NM_000059.4(BRCA2):c.3774_3775del (p.Ile1258fs) AND Hereditary cancer-predisposing syndrome

Germline classification:: Pathogenic (1 submission)
Last evaluated:: Mar 11, 2020
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:: RCV002347946.2

Allele description [Variation Report for NM_000059.4(BRCA2):c.3774_3775del (p.Ile1258fs)]

NM_000059.4(BRCA2):c.3774_3775del (p.Ile1258fs)

Gene:

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

Variant type:

Deletion

Cytogenetic location:

13q13.1

Genomic location:

Preferred name:

NM_000059.4(BRCA2):c.3774_3775del (p.Ile1258fs)

HGVS:

NC_000013.11:g.32338129_32338130del
NG_012772.3:g.27650_27651del
NM_000059.4:c.3774_3775delMANE SELECT
NP_000050.3:p.Ile1258fs
LRG_293:g.27650_27651del
NC_000013.10:g.32912266_32912267del
NM_000059.3:c.3774_3775delAA

Protein change:

I1258fs

Links:

dbSNP: rs886038094

NCBI 1000 Genomes Browser:

rs886038094

Molecular consequence:

NM_000059.4:c.3774_3775del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:: Hereditary cancer-predisposing syndrome
Synonyms:: Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002620761	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Pathogenic (Mar 11, 2020)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002620761

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Pathogenic
(Mar 11, 2020)

germline

clinical testing

Citation Link

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

Details of each submission

From Ambry Genetics, SCV002620761.2

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

Description

The c.3774_3775delAA pathogenic mutation, located in coding exon 10 of the BRCA2 gene, results from a deletion of two nucleotides at nucleotide positions 3774 to 3775, causing a translational frameshift with a predicted alternate stop codon (p.I1258Mfs*6). This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.

#	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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