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NM_001267550.2(TTN):c.9610C>T (p.Arg3204Ter) AND multiple conditions

Germline classification:
Pathogenic (1 submission)
Last evaluated:
Oct 22, 2024
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
Somatic classification
of clinical impact:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of oncogenicity:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Record status:
current
Accession:
RCV000822916.6

Allele description [Variation Report for NM_001267550.2(TTN):c.9610C>T (p.Arg3204Ter)]

NM_001267550.2(TTN):c.9610C>T (p.Arg3204Ter)

Gene:
TTN:titin [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
2q31.2
Genomic location:
Preferred name:
NM_001267550.2(TTN):c.9610C>T (p.Arg3204Ter)
HGVS:
  • NC_000002.12:g.178766474G>A
  • NG_011618.3:g.69329C>T
  • NM_001256850.1:c.9610C>T
  • NM_001267550.2:c.9610C>TMANE SELECT
  • NM_003319.4:c.9472C>T
  • NM_133378.4:c.9610C>T
  • NM_133379.5:c.9610C>T
  • NM_133432.3:c.9472C>T
  • NM_133437.4:c.9472C>T
  • NP_001243779.1:p.Arg3204Ter
  • NP_001254479.2:p.Arg3204Ter
  • NP_003310.4:p.Arg3158Ter
  • NP_596869.4:p.Arg3204Ter
  • NP_596870.2:p.Arg3204Ter
  • NP_597676.3:p.Arg3158Ter
  • NP_597681.4:p.Arg3158Ter
  • LRG_391:g.69329C>T
  • NC_000002.11:g.179631201G>A
  • NM_001267550.1:c.9610C>T
  • NM_003319.4:c.9472C>T
Protein change:
R3158*
Links:
dbSNP: rs757836789
NCBI 1000 Genomes Browser:
rs757836789
Molecular consequence:
  • NM_001256850.1:c.9610C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_001267550.2:c.9610C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_003319.4:c.9472C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_133378.4:c.9610C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_133379.5:c.9610C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_133432.3:c.9472C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_133437.4:c.9472C>T - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:
Dilated cardiomyopathy 1G (CMD1G)
Identifiers:
MONDO: MONDO:0011400; MedGen: C1858763; Orphanet: 154; OMIM: 604145
Name:
Autosomal recessive limb-girdle muscular dystrophy type 2J (LGMDR10)
Synonyms:
Limb-girdle muscular dystrophy, type 2J; MUSCULAR DYSTROPHY, LIMB-GIRDLE, AUTOSOMAL RECESSIVE 10
Identifiers:
MONDO: MONDO:0012127; MedGen: C1837342; Orphanet: 140922; OMIM: 608807

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000963741Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Pathogenic
(Oct 22, 2024) 		germlineclinical testing

PubMed (6)
[See all records that cite these PMIDs]

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Association Between Titin Loss-of-Function Variants and Early-Onset Atrial Fibrillation.

Choi SH, Weng LC, Roselli C, Lin H, Haggerty CM, Shoemaker MB, Barnard J, Arking DE, Chasman DI, Albert CM, Chaffin M, Tucker NR, Smith JD, Gupta N, Gabriel S, Margolin L, Shea MA, Shaffer CM, Yoneda ZT, Boerwinkle E, Smith NL, Silverman EK, et al.

JAMA. 2018 Dec 11;320(22):2354-2364. doi: 10.1001/jama.2018.18179.

PubMed [citation]
PMID:
30535219
PMCID:
PMC6436530

Integrated allelic, transcriptional, and phenomic dissection of the cardiac effects of titin truncations in health and disease.

Roberts AM, Ware JS, Herman DS, Schafer S, Baksi J, Bick AG, Buchan RJ, Walsh R, John S, Wilkinson S, Mazzarotto F, Felkin LE, Gong S, MacArthur JA, Cunningham F, Flannick J, Gabriel SB, Altshuler DM, Macdonald PS, Heinig M, Keogh AM, Hayward CS, et al.

Sci Transl Med. 2015 Jan 14;7(270):270ra6. doi: 10.1126/scitranslmed.3010134.

PubMed [citation]
PMID:
25589632
PMCID:
PMC4560092
See all PubMed Citations (6)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000963741.5

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (6)

Description

This sequence change creates a premature translational stop signal (p.Arg3204*) in the TTN gene. While this is not anticipated to result in nonsense mediated decay, it is expected to create a truncated TTN protein. This variant is present in population databases (no rsID available, gnomAD 0.007%). This premature translational stop signal has been observed in individuals with dilated cardiomyopathy and/or early-onset atrial fibrillation (PMID: 30535219; internal data). ClinVar contains an entry for this variant (Variation ID: 288998). This variant is located in the I band of TTN (PMID: 25589632). Truncating variants in this region have been reported in individuals affected with autosomal recessive centronuclear myopathy (PMID: 23975875, internal data). Truncating variants in this region have also been identified in individuals affected with autosomal dominant dilated cardiomyopathy and/or cardio-related conditions (PMID: 27869827, 32964742, internal data). For these reasons, this variant has been classified as Pathogenic.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: May 16, 2025