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NM_002439.5(MSH3):c.211_230dup (p.His78fs) AND Hereditary cancer-predisposing syndrome

Germline classification:
Pathogenic (1 submission)
Last evaluated:
Nov 21, 2022
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:
RCV003163646.2

Allele description [Variation Report for NM_002439.5(MSH3):c.211_230dup (p.His78fs)]

NM_002439.5(MSH3):c.211_230dup (p.His78fs)

Genes:
DHFR:dihydrofolate reductase [Gene - OMIM - HGNC]
MSH3:mutS homolog 3 [Gene - OMIM - HGNC]
Variant type:
Duplication
Cytogenetic location:
5q14.1
Genomic location:
Preferred name:
NM_002439.5(MSH3):c.211_230dup (p.His78fs)
HGVS:
  • NC_000005.10:g.80654938_80654957dup
  • NG_016607.2:g.5464_5483dup
  • NG_023304.1:g.5030_5049dup
  • NG_105205.1:g.534_553dup
  • NG_105205.2:g.561_580dup
  • NM_000791.4:c.-463_-444dupMANE SELECT
  • NM_001290354.2:c.-569_-550dup
  • NM_001290357.2:c.-463_-444dup
  • NM_002439.5:c.211_230dupMANE SELECT
  • NP_002430.3:p.His78fs
  • NC_000005.9:g.79950751_79950752insCCGCCTTCCCGCCCCAGCTG
  • NC_000005.9:g.79950757_79950776dup
  • NM_002439.3:c.211_230dupTTCCCGCCCCAGCTGCCGCC
  • NM_002439.4:c.211_230dup
  • NM_002439.5:c.211_230dup
  • NR_110936.2:n.32_51dup
Protein change:
H78fs
Links:
dbSNP: rs1749219575
NCBI 1000 Genomes Browser:
rs1749219575
Molecular consequence:
  • NM_000791.4:c.-463_-444dup - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001290354.2:c.-569_-550dup - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001290357.2:c.-463_-444dup - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_002439.5:c.211_230dup - frameshift variant - [Sequence Ontology: SO:0001589]
  • NR_110936.2:n.32_51dup - 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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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV003856370Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)		Pathogenic
(Nov 21, 2022) 		germlineclinical testing

Citation Link

Help

Summary from all submissions

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

Details of each submission

From Ambry Genetics, SCV003856370.2

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

Description

The c.211_230dup20 pathogenic mutation, located in coding exon 1 of the MSH3 gene, results from a duplication of TTCCCGCCCCAGCTGCCGCC at nucleotide position 211, causing a translational frameshift with a predicted alternate stop codon (p.H78Sfs*9). This variant is considered to be rare based on population cohorts in the Genome Aggregation Database (gnomAD). This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.

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

Last Updated: Oct 8, 2024