NM_000251.3(MSH2):c.2556G>C (p.Glu852Asp) AND Hereditary cancer-predisposing syndrome

Germline classification:: Conflicting interpretations of pathogenicity (3 submissions)
Last evaluated:: Apr 11, 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:: RCV000129378.13

Allele description [Variation Report for NM_000251.3(MSH2):c.2556G>C (p.Glu852Asp)]

NM_000251.3(MSH2):c.2556G>C (p.Glu852Asp)

Gene:

MSH2:mutS homolog 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2p21

Genomic location:

Preferred name:

NM_000251.3(MSH2):c.2556G>C (p.Glu852Asp)

HGVS:

NC_000002.12:g.47480793G>C
NG_007110.2:g.82670G>C
NM_000251.3:c.2556G>CMANE SELECT
NM_001258281.1:c.2358G>C
NP_000242.1:p.Glu852Asp
NP_000242.1:p.Glu852Asp
NP_001245210.1:p.Glu786Asp
LRG_218t1:c.2556G>C
LRG_218:g.82670G>C
LRG_218p1:p.Glu852Asp
NC_000002.11:g.47707932G>C
NM_000251.1:c.2556G>C
NM_000251.2:c.2556G>C
p.E852D

Protein change:

E786D

Links:

dbSNP: rs587781453

NCBI 1000 Genomes Browser:

rs587781453

Molecular consequence:

NM_000251.3:c.2556G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001258281.1:c.2358G>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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Mus musculus membrane bound O-acyltransferase domain containing 2, mRNA (cDNA cl...
Mus musculus membrane bound O-acyltransferase domain containing 2, mRNA (cDNA clone MGC:39000 IMAGE:5364068), complete cds
gi|19264105|gb|BC025020.1|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000184143	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Likely benign (Jun 25, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID] Citation Link,
SCV001347190	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Apr 11, 2023)	germline	clinical testing	PubMed (3) [See all records that cite these PMIDs] 31391288, 33471991, 25741868
SCV002534487	Sema4, Sema4	criteria provided, single submitter (Sema4 Curation Guidelines)	Uncertain significance (Jul 14, 2021)	germline	curation	PubMed (2) [See all records that cite these PMIDs] 31391288, 33471991 Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000184143

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Likely benign
(Jun 25, 2021)

germline

clinical testing

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

Citation Link,

SCV001347190

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Apr 11, 2023)

germline

clinical testing

PubMed (3)
[See all records that cite these PMIDs]

SCV002534487

Sema4, Sema4

criteria provided, single submitter

(Sema4 Curation Guidelines)

Uncertain significance
(Jul 14, 2021)

germline

curation

PubMed (2)
[See all records that cite these PMIDs]

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, curation

Citations

PubMed

Massively parallel functional testing of MSH2 missense variants conferring Lynch syndrome risk.

Jia X, Burugula BB, Chen V, Lemons RM, Jayakody S, Maksutova M, Kitzman JO.

Am J Hum Genet. 2021 Jan 7;108(1):163-175. doi: 10.1016/j.ajhg.2020.12.003. Epub 2020 Dec 23.

PubMed [citation]

PMID:: 33357406
PMCID:: PMC7820803

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 (4)

Details of each submission

From Ambry Genetics, SCV000184143.8

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

Description

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.

#	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, SCV001347190.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (3)

Description

This missense variant replaces glutamic acid with aspartic acid at codon 852 of the MSH2 protein. Computational prediction is inconclusive regarding the impact of this variant on protein structure and function (internally defined REVEL score threshold 0.5 < inconclusive < 0.7, PMID: 27666373). This variant does not impact MSH2 function in a 6-thioguanine sensitivity assay in haploid human cells (internally defined LOF score threshold <= -1.32, PMID: 33357406). This variant has been reported in an individual affected with an unspecified cancer and an individual affected with breast cancer (PMID: 31391288, 33471991). This variant has been identified in 3/282852 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

From Sema4, Sema4, SCV002534487.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	curation	PubMed (2)

#	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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