NM_000465.4(BARD1):c.376G>A (p.Asp126Asn) AND Familial cancer of breast

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 28, 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:: RCV001318477.8

Allele description [Variation Report for NM_000465.4(BARD1):c.376G>A (p.Asp126Asn)]

NM_000465.4(BARD1):c.376G>A (p.Asp126Asn)

Gene:

BARD1:BRCA1 associated RING domain 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2q35

Genomic location:

Preferred name:

NM_000465.4(BARD1):c.376G>A (p.Asp126Asn)

HGVS:

NC_000002.12:g.214781498C>T
NG_012047.3:g.33214G>A
NM_000465.4:c.376G>AMANE SELECT
NM_001282543.2:c.319G>A
NM_001282545.2:c.215+15563G>A
NM_001282548.2:c.158+27914G>A
NM_001282549.2:c.364+10799G>A
NP_000456.2:p.Asp126Asn
NP_001269472.1:p.Asp107Asn
LRG_297t1:c.376G>A
LRG_297:g.33214G>A
LRG_297p1:p.Asp126Asn
NC_000002.11:g.215646222C>T
NG_012047.2:g.33207G>A
NR_104212.2:n.341G>A
NR_104215.2:n.284G>A

Protein change:

D107N

Links:

dbSNP: rs1695034849

NCBI 1000 Genomes Browser:

rs1695034849

Molecular consequence:

NM_001282545.2:c.215+15563G>A - intron variant - [Sequence Ontology: SO:0001627]
NM_001282548.2:c.158+27914G>A - intron variant - [Sequence Ontology: SO:0001627]
NM_001282549.2:c.364+10799G>A - intron variant - [Sequence Ontology: SO:0001627]
NM_000465.4:c.376G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001282543.2:c.319G>A - missense variant - [Sequence Ontology: SO:0001583]
NR_104212.2:n.341G>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104215.2:n.284G>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:: Familial cancer of breast
Synonyms:: Breast cancer, familial; Hereditary breast cancer
Identifiers:: MONDO: MONDO:0016419; MedGen: C0346153; OMIM: 114480

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001509176	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 28, 2020)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001509176

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 28, 2020)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

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

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, SCV001509176.4

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

Description

This sequence change replaces aspartic acid with asparagine at codon 126 of the BARD1 protein (p.Asp126Asn). The aspartic acid residue is moderately conserved and there is a small physicochemical difference between aspartic acid and asparagine. This variant is not present in population databases (ExAC no frequency). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The asparagine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with BARD1-related conditions.

#	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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