NM_000465.4(BARD1):c.545T>G (p.Phe182Cys) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Aug 30, 2023
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000570324.11

Allele description [Variation Report for NM_000465.4(BARD1):c.545T>G (p.Phe182Cys)]

NM_000465.4(BARD1):c.545T>G (p.Phe182Cys)

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.545T>G (p.Phe182Cys)

HGVS:

NC_000002.12:g.214781329A>C
NG_012047.3:g.33383T>G
NM_000465.4:c.545T>GMANE SELECT
NM_001282543.2:c.488T>G
NM_001282545.2:c.215+15732T>G
NM_001282548.2:c.158+28083T>G
NM_001282549.2:c.364+10968T>G
NP_000456.2:p.Phe182Cys
NP_001269472.1:p.Phe163Cys
LRG_297t1:c.545T>G
LRG_297:g.33383T>G
LRG_297p1:p.Phe182Cys
NC_000002.11:g.215646053A>C
NG_012047.2:g.33376T>G
NM_000465.2:c.545T>G
NM_000465.3:c.545T>G
NR_104212.2:n.510T>G
NR_104215.2:n.453T>G

Protein change:

F163C

Links:

dbSNP: rs878854014

NCBI 1000 Genomes Browser:

rs878854014

Molecular consequence:

NM_001282545.2:c.215+15732T>G - intron variant - [Sequence Ontology: SO:0001627]
NM_001282548.2:c.158+28083T>G - intron variant - [Sequence Ontology: SO:0001627]
NM_001282549.2:c.364+10968T>G - intron variant - [Sequence Ontology: SO:0001627]
NM_000465.4:c.545T>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001282543.2:c.488T>G - missense variant - [Sequence Ontology: SO:0001583]
NR_104212.2:n.510T>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_104215.2:n.453T>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]

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
SCV000668239	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Aug 30, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID] Citation Link,
SCV000688204	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Sep 19, 2022)	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

SCV000668239

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Aug 30, 2023)

germline

clinical testing

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

Citation Link,

SCV000688204

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Sep 19, 2022)

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

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 Ambry Genetics, SCV000668239.6

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

Description

The p.F182C variant (also known as c.545T>G), located in coding exon 4 of the BARD1 gene, results from a T to G substitution at nucleotide position 545. The phenylalanine at codon 182 is replaced by cysteine, an amino acid with highly dissimilar properties. This variant was reported in 2/60,466 breast cancer cases and in 1/53,461 controls (Dorling et al. N Engl J Med. 2021 02;384:428-439). This amino acid position is well conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	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

From Color Diagnostics, LLC DBA Color Health, SCV000688204.5

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

Description

This missense variant replaces phenylalanine with cysteine at codon 182 of the BARD1 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 not been reported in individuals affected with hereditary cancer in the literature. This variant has been identified in 3/250284 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	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Nov 3, 2024

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