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NM_004415.4(DSP):c.3165del (p.Asn1055fs) AND Familial isolated arrhythmogenic right ventricular dysplasia

Germline classification:
Likely pathogenic (1 submission)
Last evaluated:
Mar 29, 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:
RCV002223075.1

Allele description [Variation Report for NM_004415.4(DSP):c.3165del (p.Asn1055fs)]

NM_004415.4(DSP):c.3165del (p.Asn1055fs)

Gene:
DSP:desmoplakin [Gene - OMIM - HGNC]
Variant type:
Deletion
Cytogenetic location:
6p24.3
Genomic location:
Preferred name:
NM_004415.4(DSP):c.3165del (p.Asn1055fs)
HGVS:
  • NC_000006.12:g.7579355del
  • NG_008803.1:g.42719del
  • NM_001008844.3:c.3165del
  • NM_001319034.2:c.3165del
  • NM_004415.4:c.3165delMANE SELECT
  • NP_001008844.1:p.Asn1055fs
  • NP_001305963.1:p.Asn1055fs
  • NP_004406.2:p.Asn1055fs
  • LRG_423:g.42719del
  • NC_000006.11:g.7579588del
  • NM_004415.3:c.3165delC
Protein change:
N1055fs
Links:
dbSNP: rs2113691213
NCBI 1000 Genomes Browser:
rs2113691213
Molecular consequence:
  • NM_001008844.3:c.3165del - frameshift variant - [Sequence Ontology: SO:0001589]
  • NM_001319034.2:c.3165del - frameshift variant - [Sequence Ontology: SO:0001589]
  • NM_004415.4:c.3165del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:
Familial isolated arrhythmogenic right ventricular dysplasia
Identifiers:
MONDO: MONDO:0016342; MedGen: C4274968; OMIM: PS107970

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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV002500751Women's Health and Genetics/Laboratory Corporation of America, LabCorp
criteria provided, single submitter

(LabCorp Variant Classification Summary - May 2015)		Likely pathogenic
(Mar 29, 2022) 		germlineclinical testing

Citation Link

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Summary from all submissions

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

Details of each submission

From Women's Health and Genetics/Laboratory Corporation of America, LabCorp, SCV002500751.1

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

Description

Variant summary: DSP c.3165delC (p.Asn1055LysfsX28) results in a premature termination codon, predicted to cause a truncation of the encoded protein or absence of the protein due to nonsense mediated decay, which are commonly known mechanisms for disease. Truncations downstream of this position have been classified as pathogenic by our laboratory. The variant was absent in 250976 control chromosomes (gnomAD). To our knowledge, no occurrence of c.3165delC in individuals affected with Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy and no experimental evidence demonstrating its impact on protein function have been reported. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014. Based on the evidence outlined above, the variant was classified as likely pathogenic.

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

Last Updated: Dec 24, 2023