chr6-7581357-G-C

Variant names:

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4BP6BS1BS2

The NM_004415.4(DSP):c.5167G>C(p.Glu1723Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000628 in 1,614,192 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. E1723E) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00043 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00065 ( 3 hom. )

Consequence

DSP
NM_004415.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:7B:9

Conservation

PhyloP100: 10.0

Publications

6 publications found

Variant links:

Genes affected

DSP (HGNC:3052): (desmoplakin) This gene encodes a protein that anchors intermediate filaments to desmosomal plaques and forms an obligate component of functional desmosomes. Mutations in this gene are the cause of several cardiomyopathies and keratodermas, including skin fragility-woolly hair syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2016]

DSP Gene-Disease associations (from GenCC):

arrhythmogenic right ventricular dysplasia 8
Inheritance: AD, AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
keratosis palmoplantaris striata 2
Inheritance: AD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: G2P, Ambry Genetics, Genomics England PanelApp
skin fragility-woolly hair-palmoplantar keratoderma syndrome
Inheritance: AD, AR Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: Orphanet, G2P, Genomics England PanelApp, Ambry Genetics
arrhythmogenic cardiomyopathy with wooly hair and keratoderma
Inheritance: AR, AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp, ClinGen, Orphanet, Ambry Genetics
cardiomyopathy, dilated, with wooly hair, keratoderma, and tooth agenesis
Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics
lethal acantholytic epidermolysis bullosa
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: PanelApp Australia, Ambry Genetics, Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Orphanet
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
striate palmoplantar keratoderma
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
severe dermatitis-multiple allergies-metabolic wasting syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
hypertrophic cardiomyopathy
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

DSP links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.3395607).

BP6

Variant 6-7581357-G-C is Benign according to our data. Variant chr6-7581357-G-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 44924.We mark this variant Benign, oryginal submissions are: {Uncertain_significance=6, Benign=1, Likely_benign=7}.

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.000427 (65/152324) while in subpopulation NFE AF = 0.000882 (60/68030). AF 95% confidence interval is 0.000703. There are 0 homozygotes in GnomAd4. There are 25 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAdExome4 at 3 AD,AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DSP	NM_004415.4 link	c.5167G>C	p.Glu1723Gln	missense_variant	Exon 23 of 24	ENST00000379802.8	NP_004406.2	P15924-1B4DKX6
DSP	NM_001319034.2 link	c.4050+1117G>C		intron_variant	Intron 23 of 23		NP_001305963.1	P15924-3B4DKX6
DSP	NM_001008844.3 link	c.3583-1285G>C		intron_variant	Intron 23 of 23		NP_001008844.1	P15924-2B4DKX6Q4LE79

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DSP	ENST00000379802.8 link	c.5167G>C	p.Glu1723Gln	missense_variant	Exon 23 of 24	1	NM_004415.4	ENSP00000369129.3		P15924-1

Frequencies

GnomAD3 genomes

AF:

0.000427

AC:

AN:

152206

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000882

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000203

AC:

AN:

251280

AF XY:

0.000228

show subpopulations

Gnomad AFR exome

AF:

0.0000617

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000462

Gnomad NFE exome

AF:

0.000405

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000648

AC:

948

AN:

1461868

Hom.:

Cov.:

AF XY:

0.000645

AC XY:

469

AN XY:

727236

show subpopulations

African (AFR)

AF:

0.000149

AC:

AN:

33480

American (AMR)

AF:

0.0000224

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.0000562

AC:

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000810

AC:

901

AN:

1112000

Other (OTH)

AF:

0.000613

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

124

186

248

310

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000427

AC:

AN:

152324

Hom.:

Cov.:

AF XY:

0.000336

AC XY:

AN XY:

74488

show subpopulations

African (AFR)

AF:

0.000120

AC:

AN:

41570

American (AMR)

AF:

0.00

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000882

AC:

AN:

68030

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.521

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000488

Hom.:

Bravo

AF:

0.000438

TwinsUK

AF:

0.00135

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.00151

AC:

ExAC

AF:

0.000214

AC:

EpiCase

AF:

0.000545

EpiControl

AF:

0.000415

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:7Benign:9

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Arrhythmogenic right ventricular dysplasia 8

Uncertain:2Benign:1

May 06, 2021

Victorian Clinical Genetics Services, Murdoch Childrens Research Institute

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as likely benign. Following criteria are met: 0102 - Loss of function is a known mechanism of disease in this gene and is associated with ARVC (MIM#607450) and other DSP-related cardiac disorders. (I) 0108 - This gene is associated with both recessive and dominant disease. Variants in this gene are usually inherited in a dominant manner, however rare reports of recessive inheritance have resulted in a more severe cardiac phenotype (OMIM). (I) 0112 - The condition associated with this gene has incomplete penetrance. Incomplete penetrance associated with arrhythmogenic cardiomyopathy is well-described (PMID: 29062697). (I) 0115 - Variants in this gene are known to have variable expressivity. Variable expressivity associated with arrhythmogenic cardiomyopathy is well-described (PMID: 29062697). (I) 0200 - Variant is predicted to result in a missense amino acid change from glutamic acid to glutamine. (I) 0251 - This variant is heterozygous. (I) 0304 - Variant is present in gnomAD v2 <0.01 (62 heterozygotes, 1 homozygote). (SP) 0502 - Missense variant with conflicting in silico predictions and uninformative conservation. (I) 0600 - Variant is located in the annotated coiled coil region in the central fibrous rod domain (UniProt). (I) 0705 - No comparable missense variants have previous evidence for pathogenicity. (I) 0808 - Previous reports of pathogenicity for this variant are conflicting. While this variant has mainly been classified as a VUS by clinical diagnostic laboratories, it has also been classified as a likely benign variant (ClinVar, PMID: 23861362). (I) 0905 - No published segregation evidence has been identified for this variant. (I) 1007 - No published functional evidence has been identified for this variant. (I) 1208 - Inheritance information for this variant is not currently available in this individual. (I) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign -

Mar 30, 2016

Knight Diagnostic Laboratories, Oregon Health and Sciences University

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Jan 12, 2018

Illumina Laboratory Services, Illumina

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

not provided

Uncertain:1Benign:2

Mar 27, 2021

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 23861362) -

Aug 23, 2021

New York Genome Center

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Thec.5167G>C, p.Glu1723Gln missense variant has not been reported in the literature in individuals with DSP-related disease. This variant is present in population databases (rs142803672, gnomAD v3.1 0.04%), and has an allele count higher than expected for a pathogenic variant (PMID: 28166811), and in silico analysis predicts a deleterious effect (PMID:27268795). Based on the available evidence, the variant c.5167G>C, p.Glu1723Gln in the DSP gene is classified as a Variant of Uncertain Significance. -

Jun 24, 2013

Biesecker Lab/Clinical Genomics Section, National Institutes of Health

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:research

- -

Cardiomyopathy

Benign:2

Nov 22, 2019

Color Diagnostics, LLC DBA Color Health

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Sep 22, 2021

CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Uncertain:1

Jan 20, 2017

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

proposed classification - variant undergoing re-assessment, contact laboratory -

Arrhythmogenic right ventricular cardiomyopathy

Uncertain:1

Feb 06, 2017

Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Lethal acantholytic epidermolysis bullosa

Uncertain:1

Jan 12, 2018

Illumina Laboratory Services, Illumina

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Woolly hair-skin fragility syndrome

Uncertain:1

Jan 12, 2018

Illumina Laboratory Services, Illumina

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Arrhythmogenic cardiomyopathy with wooly hair and keratoderma

Benign:1

Sep 23, 2024

All of Us Research Program, National Institutes of Health

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Arrhythmogenic right ventricular dysplasia 8;C1854063:Arrhythmogenic cardiomyopathy with wooly hair and keratoderma

Benign:1

Jan 31, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Cardiovascular phenotype

Benign:1

Jun 23, 2021

Ambry Genetics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

DSP-related disorder

Benign:1

Jun 20, 2024

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.26

BayesDel_addAF

Benign

-0.19

BayesDel_noAF

Benign

-0.090

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.41

Eigen

Pathogenic

0.84

Eigen_PC

Pathogenic

0.86

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.88

M_CAP

Benign

0.051

MetaRNN

Benign

0.34

MetaSVM

Uncertain

-0.10

MutationAssessor

Uncertain

2.1

PhyloP100

PrimateAI

Uncertain

0.74

PROVEAN

Benign

-1.7

REVEL

Uncertain

0.32

Sift

Uncertain

0.010

Sift4G

Uncertain

0.019

Polyphen

1.0

Vest4

0.57

MVP

0.80

MPC

0.81

ClinPred

0.095

GERP RS

5.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.8

Varity_R

0.21

gMVP

0.45

Mutation Taster

=28/72

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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chr6-7581357-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over