NM_004415.4(DSP):c.827_830del (p.Ile276fs) AND multiple conditions

Germline classification:: Pathogenic (1 submission)
Last evaluated:: Sep 18, 2021
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:: RCV001035783.6

Allele description [Variation Report for NM_004415.4(DSP):c.827_830del (p.Ile276fs)]

NM_004415.4(DSP):c.827_830del (p.Ile276fs)

Gene:

DSP:desmoplakin [Gene - OMIM - HGNC]

Variant type:

Deletion

Cytogenetic location:

6p24.3

Genomic location:

Preferred name:

NM_004415.4(DSP):c.827_830del (p.Ile276fs)

HGVS:

NC_000006.12:g.7565408_7565411del
NG_008803.1:g.28772_28775del
NM_001008844.3:c.827_830del
NM_001319034.2:c.827_830del
NM_004415.4:c.827_830delMANE SELECT
NP_001008844.1:p.Ile276fs
NP_001305963.1:p.Ile276fs
NP_004406.2:p.Ile276fs
LRG_423t1:c.827_830del
LRG_423:g.28772_28775del
NC_000006.11:g.7565638_7565641del
NC_000006.11:g.7565641_7565644del
NM_004415.2:c.827_830del

Protein change:

I276fs

Links:

dbSNP: rs1758828907

NCBI 1000 Genomes Browser:

rs1758828907

Molecular consequence:

NM_001008844.3:c.827_830del - frameshift variant - [Sequence Ontology: SO:0001589]
NM_001319034.2:c.827_830del - frameshift variant - [Sequence Ontology: SO:0001589]
NM_004415.4:c.827_830del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:: Arrhythmogenic cardiomyopathy with wooly hair and keratoderma
Synonyms:: Palmoplantar keratoderma with left ventricular cardiomyopathy and woolly hair; Epidermolytic palmoplantar keratoderma woolly hair and dilated cardiomyopathy; Dilated cardiomyopathy with woolly hair and keratoderma; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0011581; MedGen: C1854063; Orphanet: 65282; OMIM: 605676

Name:: Arrhythmogenic right ventricular dysplasia 8 (ARVD8)
Synonyms:: ARRHYTHMOGENIC RIGHT VENTRICULAR DYSPLASIA, FAMILIAL, 8; Arrhythmogenic right ventricular cardiomyopathy, type 8; Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy 8
Identifiers:: MONDO: MONDO:0011831; MedGen: C1843896; OMIM: 607450

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001199118	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Pathogenic (Sep 18, 2021)	germline	clinical testing	PubMed (4) [See all records that cite these PMIDs] 20716751, 24503780, 25227139, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001199118

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Pathogenic
(Sep 18, 2021)

germline

clinical testing

PubMed (4)
[See all records that cite these PMIDs]

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

Prevalence of desmosomal protein gene mutations in patients with dilated cardiomyopathy.

Elliott P, O'Mahony C, Syrris P, Evans A, Rivera Sorensen C, Sheppard MN, Carr-White G, Pantazis A, McKenna WJ.

Circ Cardiovasc Genet. 2010 Aug;3(4):314-22. doi: 10.1161/CIRCGENETICS.110.937805.

PubMed [citation]

PMID:: 20716751

The landscape of genetic variation in dilated cardiomyopathy as surveyed by clinical DNA sequencing.

Pugh TJ, Kelly MA, Gowrisankar S, Hynes E, Seidman MA, Baxter SM, Bowser M, Harrison B, Aaron D, Mahanta LM, Lakdawala NK, McDermott G, White ET, Rehm HL, Lebo M, Funke BH.

Genet Med. 2014 Aug;16(8):601-8. doi: 10.1038/gim.2013.204. Epub 2014 Feb 6.

PubMed [citation]

PMID:: 24503780

See all PubMed Citations (4)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001199118.5

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (4)

Description

For these reasons, this variant has been classified as Pathogenic. Loss-of-function variants in DSP are known to be pathogenic (PMID: 20716751, 24503780, 25227139). This variant has not been reported in the literature in individuals with DSP-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change creates a premature translational stop signal (p.Ile276Argfs*40) in the DSP gene. It is expected to result in an absent or disrupted protein product.

#	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: Sep 29, 2024

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