NM_001943.5(DSG2):c.527C>T (p.Thr176Ile) AND Cardiomyopathy

Clinical significance:Uncertain significance (Last evaluated: Jan 21, 2020)

Review status:1 star out of maximum of 4 stars

criteria provided, single submitter

Based on:
1 submission [Details]
Record status:
current
Accession:
RCV001178811.1

Allele description [Variation Report for NM_001943.5(DSG2):c.527C>T (p.Thr176Ile)]

NM_001943.5(DSG2):c.527C>T (p.Thr176Ile)

Gene:
DSG2:desmoglein 2 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
18q12.1
Genomic location:
Preferred name:
NM_001943.5(DSG2):c.527C>T (p.Thr176Ile)
HGVS:
  • NC_000018.10:g.31522086C>T
  • NG_007072.3:g.28845C>T
  • NM_001943.5:c.527C>TMANE SELECT
  • NP_001934.2:p.Thr176Ile
  • LRG_397t1:c.527C>T
  • LRG_397:g.28845C>T
  • NC_000018.9:g.29102049C>T
  • NM_001943.3:c.527C>T
  • NM_001943.4:c.527C>T
Protein change:
T176I
Links:
dbSNP: rs536617217
NCBI 1000 Genomes Browser:
rs536617217
Molecular consequence:
  • NM_001943.5:c.527C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Cardiomyopathy (CMYO)
Identifiers:
MONDO: MONDO:0004994; MedGen: C0878544; Human Phenotype Ontology: HP:0001638

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV001343345Color Health, Inccriteria provided, single submitter
Uncertain significance
(Jan 21, 2020)
germlineclinical testing

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

Description

This missense variant replaces threonine with isoleucine at codon 176 of the DSG2 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). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has been reported in a family affected with arrhythmogenic cardiomyopathy and has been shown not to segregate with disease in this family (PMID: 31156706). This variant has been identified in 4/280698 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.

SCV001343345

Summary from all submissions

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

Citations

PubMed

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

Details of each submission

From Color Health, Inc, SCV001343345.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Oct 7, 2021

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