NM_007194.4(CHEK2):c.238C>T (p.Pro80Ser) AND Familial cancer of breast

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: May 17, 2023
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:: RCV000822283.8

Allele description [Variation Report for NM_007194.4(CHEK2):c.238C>T (p.Pro80Ser)]

NM_007194.4(CHEK2):c.238C>T (p.Pro80Ser)

Gene:

CHEK2:checkpoint kinase 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

22q12.1

Genomic location:

Preferred name:

NM_007194.4(CHEK2):c.238C>T (p.Pro80Ser)

HGVS:

NC_000022.11:g.28734484G>A
NG_008150.2:g.12383C>T
NM_001005735.2:c.238C>T
NM_001257387.2:c.-540C>T
NM_001349956.2:c.238C>T
NM_007194.4:c.238C>TMANE SELECT
NM_145862.2:c.238C>T
NP_001005735.1:p.Pro80Ser
NP_001336885.1:p.Pro80Ser
NP_009125.1:p.Pro80Ser
NP_665861.1:p.Pro80Ser
LRG_302t1:c.238C>T
LRG_302:g.12383C>T
LRG_302p1:p.Pro80Ser
NC_000022.10:g.29130472G>A
NG_008150.1:g.12351C>T
NM_007194.3:c.238C>T

Protein change:

P80S

Links:

dbSNP: rs745355600

NCBI 1000 Genomes Browser:

rs745355600

Molecular consequence:

NM_001257387.2:c.-540C>T - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001005735.2:c.238C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_001349956.2:c.238C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_007194.4:c.238C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_145862.2:c.238C>T - missense variant - [Sequence Ontology: SO:0001583]

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
SCV000963078	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (May 17, 2023)	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

SCV000963078

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(May 17, 2023)

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, SCV000963078.6

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

Description

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. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 234069). This variant has not been reported in the literature in individuals affected with CHEK2-related conditions. This variant is present in population databases (rs745355600, gnomAD 0.0009%). This sequence change replaces proline, which is neutral and non-polar, with serine, which is neutral and polar, at codon 80 of the CHEK2 protein (p.Pro80Ser).

#	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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