rs150792047

Positions:

chr18-31092281-A-G

Variant summary

Our verdict is Benign. Variant got -15 ACMG points: 2P and 17B. PM2BP4_StrongBP6_Very_StrongBP7BS1

The NM_024422.6(DSC2):c.174T>C(p.Phe58Phe) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000576 in 1,613,630 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00031 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000031 ( 0 hom. )

Consequence

DSC2
NM_024422.6 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 0.177

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 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -15 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.74).

BP6

Variant 18-31092281-A-G is Benign according to our data. Variant chr18-31092281-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 416270.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.177 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000309 (47/152324) while in subpopulation AFR AF= 0.00113 (47/41570). AF 95% confidence interval is 0.000873. There are 0 homozygotes in gnomad4. There are 26 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DSC2	NM_024422.6 linkuse as main transcript	c.174T>C	p.Phe58Phe	synonymous_variant	3/16	ENST00000280904.11	NP_077740.1	Q02487-1
DSC2	NM_004949.5 linkuse as main transcript	c.174T>C	p.Phe58Phe	synonymous_variant	3/17		NP_004940.1	Q02487-2
DSC2	NM_001406506.1 linkuse as main transcript	c.-256T>C		5_prime_UTR_variant	3/16		NP_001393435.1
DSC2	NM_001406507.1 linkuse as main transcript	c.-256T>C		5_prime_UTR_variant	3/17		NP_001393436.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
DSC2	ENST00000280904.11 linkuse as main transcript	c.174T>C	p.Phe58Phe	synonymous_variant	3/16	1	NM_024422.6	ENSP00000280904.6	Q02487-1
DSC2	ENST00000251081.8 linkuse as main transcript	c.174T>C	p.Phe58Phe	synonymous_variant	3/17	1		ENSP00000251081.6	Q02487-2
DSC2	ENST00000648081.1 linkuse as main transcript	c.-293T>C		5_prime_UTR_variant	3/17			ENSP00000497441.1	A0A3B3ISU0
DSC2	ENST00000682357.1 linkuse as main transcript	c.-256T>C		5_prime_UTR_variant	3/16			ENSP00000507826.1	A0A3B3ISU0

Frequencies

GnomAD3 genomes

AF:

0.000302

AC:

AN:

152206

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00111

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

GnomAD3 exomes

AF:

0.0000997

AC:

AN:

250738

Hom.:

AF XY:

0.0000664

AC XY:

AN XY:

135514

show subpopulations

Gnomad AFR exome

AF:

0.00154

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000315

AC:

AN:

1461306

Hom.:

Cov.:

AF XY:

0.0000330

AC XY:

AN XY:

726966

show subpopulations

Gnomad4 AFR exome

AF:

0.00132

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.0000331

GnomAD4 genome

AF:

0.000309

AC:

AN:

152324

Hom.:

Cov.:

AF XY:

0.000349

AC XY:

AN XY:

74484

show subpopulations

Gnomad4 AFR

AF:

0.00113

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000263

Hom.:

Bravo

AF:

0.000382

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Arrhythmogenic right ventricular dysplasia 11

Benign:2

Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 31, 2024	- -
Likely benign, criteria provided, single submitter	clinical testing	Fulgent Genetics, Fulgent Genetics	Aug 11, 2021	- -

not provided

Benign:2

Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Mar 10, 2021	- -
Likely benign, criteria provided, single submitter	not provided	Breakthrough Genomics, Breakthrough Genomics	-	- -

Cardiomyopathy

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Color Diagnostics, LLC DBA Color Health

Oct 16, 2018

- -

Cardiovascular phenotype

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 15, 2018

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. -

Familial isolated arrhythmogenic right ventricular dysplasia

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

All of Us Research Program, National Institutes of Health

Sep 24, 2024

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.74

CADD

Benign

7.7

DANN

Benign

0.77

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over