NM_000251.3(MSH2):c.792+5A>G AND Malignant tumor of breast

Clinical significance:Uncertain significance

Review status:(0/4) 0 stars out of maximum of 4 stars

no assertion criteria provided

Based on:
1 submission [Details]
Record status:
current
Accession:
RCV001355416.1

Allele description [Variation Report for NM_000251.3(MSH2):c.792+5A>G]

NM_000251.3(MSH2):c.792+5A>G

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.792+5A>G
HGVS:
  • NC_000002.12:g.47412565A>G
  • NG_007110.2:g.14442A>G
  • NM_000251.3:c.792+5A>GMANE SELECT
  • NM_001258281.1:c.594+5A>G
  • LRG_218t1:c.792+5A>G
  • LRG_218:g.14442A>G
  • NC_000002.11:g.47639704A>G
  • NM_000251.1:c.792+5A>G
  • NM_000251.2:c.792+5A>G
Links:
dbSNP: rs267607935
NCBI 1000 Genomes Browser:
rs267607935
Molecular consequence:
  • NM_000251.3:c.792+5A>G - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001258281.1:c.594+5A>G - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:
Malignant tumor of breast
Synonyms:
Breast cancer; Malignant breast neoplasm
Identifiers:
MONDO: MONDO:0007254; MedGen: C0006142

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV001550297Department of Pathology and Laboratory Medicine,Sinai Health System - The Canadian Open Genetics Repository (COGR)

See additional submitters

no assertion criteria providedUncertain significanceunknownclinical testing

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedunknownyesnot providednot providednot providednot providednot providedclinical testing

Details of each submission

From Department of Pathology and Laboratory Medicine,Sinai Health System - The Canadian Open Genetics Repository (COGR), SCV001550297.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

The MSH2 c.792+5A>G variant was not identified in the literature nor was it identified in the following databases: COGR, Cosmic, MutDB, UMD-LSDB, Zhejiang Colon Cancer Database, or the Mismatch Repair Genes Variant Database. The variant was identified in dbSNP (ID: rs267607935) as “With Uncertain significance allele”, ClinVar (classified as uncertain significance by InSIGHT, Counsyl, Invitae and Laboratory Corporation of America; and likely benign by Ambry Genetics and GeneDx), Clinvitae (5x), Insight Hereditary Tumors Database (1x), and in control databases in 7 of 245164 chromosomes at a frequency of 0.00003 (Genome Aggregation Database Feb 27, 2017). It was observed in the European Non-Finnish population in 7 of 111216 chromosomes (freq: 0.00006) but not in the African, Other, Latino, Ashkenazi Jewish, East Asian, European Finnish, and South Asian populations. The c.792+5A>G variant is located in the 5' splice region but does not affect the invariant +1 and +2 positions. However, positions +3 to +6 are part of the splicing consensus sequence and variants involving these positions sometimes affect splicing. In addition, 3 of 5 in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) predict a greater than 10% difference in splicing. However, this information is not predictive enough to assume pathogenicity. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time. This variant is classified as a variant of uncertain significance.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1unknownyesnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Nov 27, 2021

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