rs572309510

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP6_Very_StrongBS1

The NM_024422.6(DSC2):​c.70-11delT variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0002 in 1,536,834 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00060 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00016 ( 0 hom. )

Consequence

DSC2
NM_024422.6 intron

Scores

Not classified

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:8

Conservation

PhyloP100: 0.596

Publications

0 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: Benign. The variant received -12 ACMG points.

BP6
Variant 18-31093653-GA-G is Benign according to our data. Variant chr18-31093653-GA-G is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 163194.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000605 (90/148772) while in subpopulation AFR AF = 0.00188 (76/40530). AF 95% confidence interval is 0.00154. There are 0 homozygotes in GnomAd4. There are 40 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DSC2NM_024422.6 linkc.70-11delT intron_variant Intron 1 of 15 ENST00000280904.11 NP_077740.1
DSC2NM_004949.5 linkc.70-11delT intron_variant Intron 1 of 16 NP_004940.1
DSC2NM_001406506.1 linkc.-360-11delT intron_variant Intron 1 of 15 NP_001393435.1
DSC2NM_001406507.1 linkc.-360-11delT intron_variant Intron 1 of 16 NP_001393436.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DSC2ENST00000280904.11 linkc.70-11delT intron_variant Intron 1 of 15 1 NM_024422.6 ENSP00000280904.6

Frequencies

GnomAD3 genomes
AF:
0.000612
AC:
91
AN:
148670
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00191
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000467
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000392
Gnomad SAS
AF:
0.000212
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000595
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000344
AC:
82
AN:
238322
AF XY:
0.000301
show subpopulations
Gnomad AFR exome
AF:
0.00241
Gnomad AMR exome
AF:
0.0000925
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000482
Gnomad NFE exome
AF:
0.0000643
Gnomad OTH exome
AF:
0.000175
GnomAD4 exome
AF:
0.000157
AC:
218
AN:
1388062
Hom.:
0
Cov.:
25
AF XY:
0.000158
AC XY:
109
AN XY:
690538
show subpopulations
African (AFR)
AF:
0.00171
AC:
54
AN:
31492
American (AMR)
AF:
0.000143
AC:
6
AN:
42080
Ashkenazi Jewish (ASJ)
AF:
0.0000422
AC:
1
AN:
23700
East Asian (EAS)
AF:
0.000108
AC:
4
AN:
36934
South Asian (SAS)
AF:
0.000835
AC:
65
AN:
77834
European-Finnish (FIN)
AF:
0.0000211
AC:
1
AN:
47410
Middle Eastern (MID)
AF:
0.000185
AC:
1
AN:
5410
European-Non Finnish (NFE)
AF:
0.0000637
AC:
68
AN:
1066930
Other (OTH)
AF:
0.000320
AC:
18
AN:
56272
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.477
Heterozygous variant carriers
0
10
20
30
40
50
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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:
0.000605
AC:
90
AN:
148772
Hom.:
0
Cov.:
32
AF XY:
0.000552
AC XY:
40
AN XY:
72484
show subpopulations
African (AFR)
AF:
0.00188
AC:
76
AN:
40530
American (AMR)
AF:
0.000466
AC:
7
AN:
15012
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3446
East Asian (EAS)
AF:
0.000393
AC:
2
AN:
5090
South Asian (SAS)
AF:
0.000213
AC:
1
AN:
4698
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
9572
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
286
European-Non Finnish (NFE)
AF:
0.0000595
AC:
4
AN:
67176
Other (OTH)
AF:
0.00
AC:
0
AN:
2058
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.506
Heterozygous variant carriers
0
4
8
12
16
20
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome 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
Alfa
AF:
0.000261
Hom.:
0
Bravo
AF:
0.000601

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:8
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:5
Apr 09, 2025
Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Oct 10, 2013
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

70-11delT in intron 1 of DSC2: This variant is not expected to have clinical sig nificance because it is located outside the conserved +/- 1, 2 region of the spl icing consensus sequence and as part of a polyT stretch. It does not alter the r egion of interest (ROI).

Nov 05, 2019
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Variant summary: DSC2 c.70-11delT alters a non-conserved nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. 5/5 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 0.00034 in 238322 control chromosomes, predominantly at a frequency of 0.0024 within the African or African-American subpopulation in the gnomAD database. The observed variant frequency within African or African-American control individuals in the gnomAD database is approximately 96 fold of the estimated maximal expected allele frequency for a pathogenic variant in DSC2 causing Cardiomyopathy phenotype (2.5e-05), strongly suggesting that the variant is a benign polymorphism found primarily in populations of African or African-American origin. To our knowledge, no occurrence of c.70-11delT in individuals affected with Cardiomyopathy and no experimental evidence demonstrating its impact on protein function have been reported. Two clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. All laboratories classified the variant as benign/likely benign. Based on the evidence outlined above, the variant was classified as benign.

May 07, 2015
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.

Clinical Genetics, Academic Medical Center
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

Arrhythmogenic right ventricular dysplasia 11 Benign:2
Mar 03, 2016
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Jan 26, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Cardiomyopathy Benign:1
Nov 16, 2018
Color Diagnostics, LLC DBA Color Health
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
PhyloP100
0.60
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs572309510; hg19: chr18-28673616; API