NM_001943.5(DSG2):c.3123dup (p.Gln1042fs) AND Arrhythmogenic right ventricular dysplasia 10

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jan 15, 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:: RCV003631843.3

Allele description [Variation Report for NM_001943.5(DSG2):c.3123dup (p.Gln1042fs)]

NM_001943.5(DSG2):c.3123dup (p.Gln1042fs)

Genes:

DSG2-AS1:DSG2 antisense RNA 1 [Gene - HGNC]
DSG2:desmoglein 2 [Gene - OMIM - HGNC]

Variant type:

Duplication

Cytogenetic location:

18q12.1

Genomic location:

Preferred name:

NM_001943.5(DSG2):c.3123dup (p.Gln1042fs)

HGVS:

NC_000018.10:g.31546509dup
NG_007072.3:g.53268dup
NM_001943.5:c.3123dupMANE SELECT
NP_001934.2:p.Gln1042Thrfs
NP_001934.2:p.Gln1042fs
LRG_397t1:c.3123dup
LRG_397:g.53268dup
LRG_397p1:p.Gln1042Thrfs
NC_000018.9:g.29126471_29126472insA
NC_000018.9:g.29126472dup
NM_001943.3:c.3123dup

Protein change:

Q1042fs

Molecular consequence:

NM_001943.5:c.3123dup - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:: Arrhythmogenic right ventricular dysplasia 10
Synonyms:: ARRHYTHMOGENIC RIGHT VENTRICULAR DYSPLASIA, FAMILIAL, 10; Arrhythmogenic right ventricular cardiomyopathy, type 10; Arrhythmogenic right ventricular dysplasia/cardiomyopathy, type 10; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0012434; MedGen: C1857777; OMIM: 610193

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004427892	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 15, 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

SCV004427892

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 15, 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, SCV004427892.2

#	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. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. This variant has not been reported in the literature in individuals affected with DSG2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Gln1042Thrfs*25) in the DSG2 gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 77 amino acid(s) of the DSG2 protein.

#	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: Mar 5, 2025

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