NM_004415.4:c.2437-9dupA

Variant names:

• chr6-7575285-C-CA
• rs1239613725
• NM_004415.4:c.2437-9dupA

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP6_Moderate

The NM_004415.4(DSP):​c.2437-9dupA variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000134 in 148,956 control chromosomes in the GnomAD database, with no homozygous occurrence. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

• Frequency: Genomes: 𝑓 0.000013 (0 hom., cov: 33)
• Consequence: DSP NM_004415.4 splice_region, intron
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: -0.798

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]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP6: Variant 6-7575285-C-CA is Benign according to our data. Variant chr6-7575285-C-CA is described in ClinVar as [Likely_benign]. Clinvar id is 534332.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DSP	NM_004415.4	c.2437-9dupA		splice_region_variant, intron_variant	Intron 17 of 23	ENST00000379802.8	NP_004406.2
DSP	NM_001319034.2	c.2437-9dupA		splice_region_variant, intron_variant	Intron 17 of 23		NP_001305963.1
DSP	NM_001008844.3	c.2437-9dupA		splice_region_variant, intron_variant	Intron 17 of 23		NP_001008844.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DSP	ENST00000379802.8	c.2437-10_2437-9insA		intron_variant	Intron 17 of 23	1	NM_004415.4	ENSP00000369129.3
DSP	ENST00000418664.2	c.2437-10_2437-9insA		intron_variant	Intron 17 of 23	1		ENSP00000396591.2
DSP	ENST00000710359.1	c.2437-10_2437-9insA		intron_variant	Intron 17 of 23			ENSP00000518230.1
DSP	ENST00000684395.1	n.1078-10_1078-9insA		intron_variant	Intron 4 of 4

Frequencies

GnomAD3 genomes AF: 0.0000134 AC: 2 AN: 148956 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.00

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: 0.0000297

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 34

GnomAD4 genome AF: 0.0000134 AC: 2 AN: 148956 Hom.: 0 Cov.: 33 AF XY: 0.0000276 AC XY: 2 AN XY: 72486

Gnomad4 AFR AF: 0.00

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: 0.0000297

Gnomad4 OTH AF: 0.00

Bravo AF: 0.00000756

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

Arrhythmogenic right ventricular dysplasia 8;C1854063:Arrhythmogenic cardiomyopathy with wooly hair and keratoderma Benign:1

Jun 10, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

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

Other links and lift over

dbSNP: rs1239613725; hg19: chr6-7575518;