Is DSP p.Asn1346fs (c.4037_4041del) pathogenic?

DSP p.Asn1346fs (c.40374041del) is classified Pathogenic/Likely pathogenic in DSP (ClinVar, Multiple submitters, 4 submitters; last evaluated 2024-11-21). Very rare (popmax 8.47e-05%, nfe); Associated with arrhythmogenic right ventricular dysplasia 8.

What condition is associated with DSP p.Asn1346fs (c.4037_4041del)?

DSP p.Asn1346fs (c.4037_4041del) is associated with arrhythmogenic right ventricular dysplasia 8, cardiomyopathy, arrhythmogenic cardiomyopathy with wooly hair and keratoderma (ClinVar).

How common is DSP p.Asn1346fs (c.4037_4041del) in the general population?

DSP p.Asn1346fs (c.4037_4041del) is very rare (popmax 8.47e-05%, nfe) (gnomAD).

DSP p.Asn1346fs

Q: How is Inherited isolated arrhythmogenic cardiomyopathy inherited?

Typically Autosomal dominant (Orphanet). A genetic counselor can assess individual risk for a family.

c.4037_4041del · rs1561698362 · VCV570298

Pathogenic/Likely pathogenic Multiple submitters

Classification

Pathogenic/Likely pathogenic

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 4 submitters

Consequence

frameshift

predicted LoF

gnomAD v4.1

Rare

very rare (popmax 8.47e-05%, nfe)

Conditions

arrhythmogenic right ventricular dysplasia 8

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	frameshift	predicted loss-of-function in a haploinsufficient gene (ClinGen)
NMD	predicted	premature termination codon in exon 23 of 24
Splicing
SpliceAI	—	not assessed · substitutions only
Constraint at this position
Conservation	phyloP 11	GERP 1.6, phastCons 1

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 8.47e-05% European (non-Finnish) · 1/1,180,034 alleles

Overall 6.84e-05% 1/1,461,834 alleles · very rare

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: DSP
Protein: p.Asn1346fs
Coding: c.4037_4041del
MANE Select: NM_004415
dbSNP: rs1561698362
Type: Deletion
Location: chr6:7580225 (GRCh38)
Gene constraint: LOEUF 0.443 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 1346: a UniProt-annotated variant site (in arvd8; uncertain significance); a UniProt-annotated variant site (in dcwhkta; uncertain significance); the 'central fibrous rod domain' region; the 'binds to telomeres' region; a UniProt-annotated variant site (in arvd8; likely pathogenic; results in an unstable protein that forms perinuclear aggregates); a UniProt-annotated variant site (in arvd8 and dcwhkta; uncertain significance); a UniProt-annotated variant site (in arvd8)

Full DSP gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

arrhythmogenic right ventricular dysplasia 8 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: cardiomyopathy arrhythmogenic cardiomyopathy with wooly hair and keratoderma lethal acantholytic epidermolysis bullosa keratosis palmoplantaris striata 2 cardiomyopathy, dilated, with wooly hair, keratoderma, and tooth agenesis woolly hair-skin fragility syndrome

For Inherited isolated arrhythmogenic cardiomyopathy (Orphanet):

Inheritance: Autosomal dominant
Onset: No data available

Similar variants

DSP c.2131-3_2131del Likely pathogenic ★★ same condition
DSP p.Ala2092fs Pathogenic/Likely pathogenic ★★ same condition
DSP p.Arg1113fs Pathogenic ★★ same condition
DSP p.Arg1173fs Pathogenic ★★ same condition
DSP p.Arg1506fs Pathogenic/Likely pathogenic ★★ same condition
DSP p.Asn257fs Pathogenic ★★ same condition
DSP p.Asp1120fs Pathogenic/Likely pathogenic ★★ same condition
DSP p.Asp2157fs Pathogenic ★★ same condition

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/dsp-p-asn1346fs (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown