NM_001267550.2(TTN):c.26863A>G (p.Ile8955Val) AND not provided

Germline classification:: Conflicting interpretations of pathogenicity (4 submissions)
Last evaluated:: Jan 1, 2024
Review status:: criteria provided, conflicting classifications

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:: RCV000118747.20

Allele description [Variation Report for NM_001267550.2(TTN):c.26863A>G (p.Ile8955Val)]

NM_001267550.2(TTN):c.26863A>G (p.Ile8955Val)

Gene:

TTN:titin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2q31.2

Genomic location:

Preferred name:

NM_001267550.2(TTN):c.26863A>G (p.Ile8955Val)

Other names:

p.I8638V:ATC>GTC

HGVS:

NC_000002.12:g.178713271T>C
NG_011618.3:g.122532A>G
NM_001256850.1:c.25912A>G
NM_001267550.2:c.26863A>GMANE SELECT
NM_003319.4:c.13282+24811A>G
NM_133378.4:c.23131A>G
NM_133432.3:c.13657+24811A>G
NM_133437.4:c.13858+24811A>G
NP_001243779.1:p.Ile8638Val
NP_001254479.2:p.Ile8955Val
NP_596869.4:p.Ile7711Val
LRG_391:g.122532A>G
NC_000002.11:g.179577998T>C

Protein change:

I7711V

Links:

dbSNP: rs72648994

NCBI 1000 Genomes Browser:

rs72648994

Molecular consequence:

NM_003319.4:c.13282+24811A>G - intron variant - [Sequence Ontology: SO:0001627]
NM_133432.3:c.13657+24811A>G - intron variant - [Sequence Ontology: SO:0001627]
NM_133437.4:c.13858+24811A>G - intron variant - [Sequence Ontology: SO:0001627]
NM_001256850.1:c.25912A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001267550.2:c.26863A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_133378.4:c.23131A>G - missense variant - [Sequence Ontology: SO:0001583]

Observations:

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000055042	Biesecker Lab/Clinical Genomics Section, National Institutes of Health - ClinSeq	criteria provided, single submitter (Ng et al. (Circ Cardiovasc Genet. 2013))	Uncertain significance (Jun 24, 2013)	unknown	research	PubMed (1) [See all records that cite this PMID]
SCV000153227	Genetic Services Laboratory, University of Chicago	criteria provided, single submitter (ACMG Guidelines, 2007)	Uncertain significance (Dec 23, 2013)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001975462	Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center - VKGL Data-share Consensus See additional submitters Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen	no assertion criteria provided	Likely benign	germline	clinical testing
SCV003916200	CeGaT Center for Human Genetics Tuebingen	criteria provided, single submitter (CeGaT Center For Human Genetics Tuebingen Variant Classification Criteria Version 2)	Likely benign (Jan 1, 2024)	germline	clinical testing	Citation Link

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Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	yes	4	not provided	not provided	not provided	not provided	clinical testing
not provided	unknown	unknown	1	not provided	not provided	not provided	not provided	research
	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Interpreting secondary cardiac disease variants in an exome cohort.

Ng D, Johnston JJ, Teer JK, Singh LN, Peller LC, Wynter JS, Lewis KL, Cooper DN, Stenson PD, Mullikin JC, Biesecker LG; NIH Intramural Sequencing Center (NISC) Comparative Sequencing Program..

Circ Cardiovasc Genet. 2013 Aug;6(4):337-46. doi: 10.1161/CIRCGENETICS.113.000039. Epub 2013 Jul 16.

PubMed [citation]

PMID:: 23861362
PMCID:: PMC3887521

ACMG recommendations for standards for interpretation and reporting of sequence variations: Revisions 2007.

Richards CS, Bale S, Bellissimo DB, Das S, Grody WW, Hegde MR, Lyon E, Ward BE; Molecular Subcommittee of the ACMG Laboratory Quality Assurance Committee..

Genet Med. 2008 Apr;10(4):294-300. doi: 10.1097/GIM.0b013e31816b5cae.

PubMed [citation]

PMID:: 18414213

Details of each submission

From Biesecker Lab/Clinical Genomics Section, National Institutes of Health - ClinSeq, SCV000055042.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	1	not provided	not provided	research	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	unknown	unknown	not provided	not provided	not provided		1	not provided	not provided	not provided

From Genetic Services Laboratory, University of Chicago, SCV000153227.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1		not provided	not provided	not provided	clinical testing	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center - VKGL Data-share Consensus, SCV001975462.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From CeGaT Center for Human Genetics Tuebingen, SCV003916200.7

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	4	not provided	not provided	clinical testing	not provided

Description

TTN: BP4, BS2

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		4	not provided	not provided	not provided

Last Updated: Apr 15, 2024

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