NM_024422.6:c.1430delC

Variant summary

Our verdict is Pathogenic. The variant received 11 ACMG points: 11P and 0B. PVS1PM2PP5

The NM_024422.6(DSC2):​c.1430delC​(p.Thr477MetfsTer4) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,836 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (no stars). Synonymous variant affecting the same amino acid position (i.e. T477T) has been classified as Likely benign. Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

DSC2
NM_024422.6 frameshift

Scores

Not classified

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: -0.472

Publications

3 publications found
Variant links:
Genes affected
DSC2 (HGNC:3036): (desmocollin 2) This gene encodes a member of the desmocollin protein subfamily. Desmocollins, along with desmogleins, are cadherin-like transmembrane glycoproteins that are major components of the desmosome. Desmosomes are cell-cell junctions that help resist shearing forces and are found in high concentrations in cells subject to mechanical stress. This gene is found in a cluster with other desmocollin family members on chromosome 18. Mutations in this gene are associated with arrhythmogenic right ventricular dysplasia-11, and reduced protein expression has been described in several types of cancer. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2015]
DSC2 Gene-Disease associations (from GenCC):
  • familial isolated arrhythmogenic right ventricular dysplasia
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • arrhythmogenic right ventricular dysplasia 11
    Inheritance: AR, AD, SD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
  • colorectal adenoma
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 11 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 18-31080185-AG-A is Pathogenic according to our data. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr18-31080185-AG-A is described in CliVar as Pathogenic. Clinvar id is 16848.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DSC2NM_024422.6 linkc.1430delC p.Thr477MetfsTer4 frameshift_variant Exon 10 of 16 ENST00000280904.11 NP_077740.1 Q02487-1
DSC2NM_004949.5 linkc.1430delC p.Thr477MetfsTer4 frameshift_variant Exon 10 of 17 NP_004940.1 Q02487-2
DSC2NM_001406506.1 linkc.1001delC p.Thr334MetfsTer4 frameshift_variant Exon 10 of 16 NP_001393435.1
DSC2NM_001406507.1 linkc.1001delC p.Thr334MetfsTer4 frameshift_variant Exon 10 of 17 NP_001393436.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DSC2ENST00000280904.11 linkc.1430delC p.Thr477MetfsTer4 frameshift_variant Exon 10 of 16 1 NM_024422.6 ENSP00000280904.6 Q02487-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461836
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
727220
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44718
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39690
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53406
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000180
AC:
2
AN:
1111994
Other (OTH)
AF:
0.00
AC:
0
AN:
60390
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
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
Cov.:
33
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Arrhythmogenic right ventricular dysplasia 11 Pathogenic:1
Nov 01, 2006
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
PhyloP100
-0.47
Mutation Taster
=0/200
disease causing (ClinVar)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.14
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs397514041; hg19: chr18-28660151; API