rs727504443

Variant summary

Our verdict is Pathogenic. The variant received 10 ACMG points: 10P and 0B. PVS1_ModeratePP5_Very_Strong

The NM_004415.4(DSP):​c.939+1G>A variant causes a splice donor, intron change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,613,744 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 3/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

DSP
NM_004415.4 splice_donor, intron

Scores

5
1
Splicing: ADA: 1.000
2

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:14

Conservation

PhyloP100: 9.86

Publications

9 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):
  • keratosis palmoplantaris striata 2
    Inheritance: AD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Genomics England PanelApp, Ambry Genetics, G2P
  • arrhythmogenic cardiomyopathy with wooly hair and keratoderma
    Inheritance: AR, AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Genomics England PanelApp, Ambry Genetics, Labcorp Genetics (formerly Invitae), Orphanet, G2P, ClinGen
  • arrhythmogenic right ventricular dysplasia 8
    Inheritance: AR, AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)
  • skin fragility-woolly hair-palmoplantar keratoderma syndrome
    Inheritance: AR, AD Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: Genomics England PanelApp, G2P, Ambry Genetics, Orphanet
  • cardiomyopathy, dilated, with wooly hair, keratoderma, and tooth agenesis
    Inheritance: AD Classification: STRONG, MODERATE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics
  • dilated cardiomyopathy
    Inheritance: AD Classification: STRONG Submitted by: ClinGen
  • lethal acantholytic epidermolysis bullosa
    Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 10 ACMG points.

PVS1
Splicing +-2 bp (donor or acceptor) variant, product NOT destroyed by NMD, known LOF gene, truncates exone, which is 0.01880223 fraction of the gene. No cryptic splice site detected. Exon removal is inframe change.
PP5
Variant 6-7565521-G-A is Pathogenic according to our data. Variant chr6-7565521-G-A is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 178282.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004415.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
DSP
NM_004415.4
MANE Select
c.939+1G>A
splice_donor intron
N/ANP_004406.2P15924-1
DSP
NM_001319034.2
c.939+1G>A
splice_donor intron
N/ANP_001305963.1P15924-3
DSP
NM_001008844.3
c.939+1G>A
splice_donor intron
N/ANP_001008844.1P15924-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
DSP
ENST00000379802.8
TSL:1 MANE Select
c.939+1G>A
splice_donor intron
N/AENSP00000369129.3P15924-1
DSP
ENST00000418664.3
TSL:1
c.939+1G>A
splice_donor intron
N/AENSP00000396591.2P15924-2
DSP
ENST00000713904.1
c.813+1G>A
splice_donor intron
N/AENSP00000519203.1A0AAQ5BH40

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152088
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000479
AC:
7
AN:
1461656
Hom.:
0
Cov.:
32
AF XY:
0.00000413
AC XY:
3
AN XY:
727136
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33472
American (AMR)
AF:
0.00
AC:
0
AN:
44714
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26128
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86250
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53412
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
0.00000450
AC:
5
AN:
1111840
Other (OTH)
AF:
0.00
AC:
0
AN:
60378
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152088
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
74284
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41414
American (AMR)
AF:
0.00
AC:
0
AN:
15262
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4808
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10596
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68026
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00000505
Hom.:
0

ClinVar

ClinVar submissions
Significance:Pathogenic/Likely pathogenic
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
4
-
-
not provided (4)
2
-
-
Arrhythmogenic right ventricular dysplasia 8 (2)
2
-
-
Cardiomyopathy (2)
2
-
-
Cardiovascular phenotype (2)
1
-
-
Arrhythmogenic cardiomyopathy with wooly hair and keratoderma (1)
1
-
-
Arrhythmogenic right ventricular dysplasia 8;C1854063:Arrhythmogenic cardiomyopathy with wooly hair and keratoderma (1)
1
-
-
Keratosis palmoplantaris striata 2 (1)
1
-
-
Primary dilated cardiomyopathy;C0349788:Arrhythmogenic right ventricular cardiomyopathy (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.46
D
BayesDel_noAF
Pathogenic
0.43
CADD
Pathogenic
33
DANN
Uncertain
0.99
Eigen
Pathogenic
1.2
Eigen_PC
Pathogenic
1.0
FATHMM_MKL
Pathogenic
1.0
D
PhyloP100
9.9
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Mutation Taster
=0/100
disease causing (ClinVar)

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.94
SpliceAI score (max)
0.99
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.99
Position offset: -1

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

Publications

Other links and lift over

dbSNP: rs727504443; hg19: chr6-7565754; API