NM_000059.4(BRCA2):c.2464T>C (p.Cys822Arg) AND Hereditary cancer-predisposing syndrome

Germline classification:: Conflicting interpretations of pathogenicity (3 submissions)
Last evaluated:: Mar 23, 2023
Review status:: criteria provided, conflicting classifications

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:: RCV000220861.15

Allele description [Variation Report for NM_000059.4(BRCA2):c.2464T>C (p.Cys822Arg)]

NM_000059.4(BRCA2):c.2464T>C (p.Cys822Arg)

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.2464T>C (p.Cys822Arg)

HGVS:

NC_000013.11:g.32336819T>C
NG_012772.3:g.26340T>C
NM_000059.4:c.2464T>CMANE SELECT
NP_000050.2:p.Cys822Arg
NP_000050.3:p.Cys822Arg
LRG_293t1:c.2464T>C
LRG_293:g.26340T>C
LRG_293p1:p.Cys822Arg
NC_000013.10:g.32910956T>C
NM_000059.3:c.2464T>C
U43746.1:n.2692T>C

Nucleotide change:

2692T>C

Protein change:

C822R

Links:

dbSNP: rs80358512

NCBI 1000 Genomes Browser:

rs80358512

Molecular consequence:

NM_000059.4:c.2464T>C - missense variant - [Sequence Ontology: SO:0001583]

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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wd69f09.x1 NCI_CGAP_Lu24 Homo sapiens cDNA clone IMAGE:2336873 3', mRNA sequence
wd69f09.x1 NCI_CGAP_Lu24 Homo sapiens cDNA clone IMAGE:2336873 3', mRNA sequence
gi|4969933|gnl|dbEST|2597131|gb|AI6 .1|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000273411	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Dec 7, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID] Citation Link,
SCV000688759	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (May 30, 2019)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV003848341	University of Washington Department of Laboratory Medicine, University of Washington	criteria provided, single submitter (Dines et al. (Genet Med. 2020))	Likely benign (Mar 23, 2023)	germline	curation	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000273411

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Dec 7, 2022)

germline

clinical testing

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

Citation Link,

SCV000688759

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(May 30, 2019)

germline

clinical testing

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

SCV003848341

University of Washington Department of Laboratory Medicine, University of Washington

criteria provided, single submitter

(Dines et al. (Genet Med. 2020))

Likely benign
(Mar 23, 2023)

germline

curation

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, curation

Citations

PubMed

Molecular characterization and clinical interpretation of BRCA1/BRCA2 variants in families from Murcia (south-eastern Spain) with hereditary breast and ovarian cancer: clinical-pathological features in BRCA carriers and non-carriers.

Gabaldó Barrios X, Sarabia Meseguer MD, Marín Vera M, Sánchez Bermúdez AI, Macías Cerrolaza JA, Sánchez Henarejos P, Zafra Poves M, García Hernández MR, Cuevas Tortosa E, Aliaga Baño Á, Castillo Guardiola V, Martínez Hernández P, Tovar Zapata I, Martínez Barba E, Ayala de la Peña F, Alonso Romero JL, Noguera Velasco JA, Ruiz Espejo F.

Fam Cancer. 2017 Oct;16(4):477-489. doi: 10.1007/s10689-017-9985-x.

PubMed [citation]

PMID:: 28477318

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

See all PubMed Citations (3)

Details of each submission

From Ambry Genetics, SCV000273411.8

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

Description

The p.C822R variant (also known as c.2464T>C), located in coding exon 10 of the BRCA2 gene, results from a T to C substitution at nucleotide position 2464. The cysteine at codon 822 is replaced by arginine, an amino acid with highly dissimilar properties. This variant has been identified in a Spanish breast/ovarian cancer family (Gabaldó Barrios X et al. Fam Cancer, 2017 10;16:477-489). This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. 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, SCV000688759.3

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

#	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 University of Washington Department of Laboratory Medicine, University of Washington, SCV003848341.1

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

Description

Missense variant in a coldspot region where missense variants are very unlikely to be pathogenic (PMID:31911673).

#	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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