NM_001267550.2(TTN):c.18075C>T (p.Pro6025=) AND not specified

Germline classification:: Likely benign (3 submissions)
Last evaluated:: Dec 13, 2017
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000155965.7

Allele description [Variation Report for NM_001267550.2(TTN):c.18075C>T (p.Pro6025=)]

NM_001267550.2(TTN):c.18075C>T (p.Pro6025=)

Gene:

TTN:titin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2q31.2

Genomic location:

Preferred name:

NM_001267550.2(TTN):c.18075C>T (p.Pro6025=)

HGVS:

NC_000002.12:g.178730325G>A
NG_011618.3:g.105478C>T
NM_001256850.1:c.17124C>T
NM_001267550.2:c.18075C>TMANE SELECT
NM_003319.4:c.13282+7757C>T
NM_133378.4:c.14343C>T
NM_133432.3:c.13657+7757C>T
NM_133437.4:c.13858+7757C>T
NP_001243779.1:p.Pro5708=
NP_001254479.2:p.Pro6025=
NP_596869.4:p.Pro4781=
LRG_391:g.105478C>T
NC_000002.11:g.179595052G>A
p.Pro4781Pro

Links:

dbSNP: rs557350005

Molecular consequence:

NM_003319.4:c.13282+7757C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_133432.3:c.13657+7757C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_133437.4:c.13858+7757C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001256850.1:c.17124C>T - synonymous variant - [Sequence Ontology: SO:0001819]
NM_001267550.2:c.18075C>T - synonymous variant - [Sequence Ontology: SO:0001819]
NM_133378.4:c.14343C>T - synonymous variant - [Sequence Ontology: SO:0001819]

Observations:

Condition(s)

Synonyms:: AllHighlyPenetrant
Identifiers:: MedGen: CN169374

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000205677	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	criteria provided, single submitter (LMM Criteria)	Likely benign (Sep 13, 2013)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV000725805	GeneDx	criteria provided, single submitter (GeneDx Variant Classification (06012015))	Likely benign (Dec 13, 2017)	germline	clinical testing	Citation Link,
SCV001918966	Clinical Genetics, Academic Medical Center - VKGL Data-share Consensus See additional submitters Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen	no assertion criteria provided	Benign	germline	clinical testing

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000205677

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

criteria provided, single submitter

(LMM Criteria)

Likely benign
(Sep 13, 2013)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

SCV000725805

GeneDx

criteria provided, single submitter

(GeneDx Variant Classification (06012015))

Likely benign
(Dec 13, 2017)

germline

clinical testing

Citation Link,

SCV001918966

Clinical Genetics, Academic Medical Center - VKGL Data-share Consensus

See additional submitters

no assertion criteria provided

Benign

germline

clinical testing

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	not provided	2	2	not provided	not provided	not provided	clinical testing

Citations

PubMed

A systematic approach to assessing the clinical significance of genetic variants.

Duzkale H, Shen J, McLaughlin H, Alfares A, Kelly MA, Pugh TJ, Funke BH, Rehm HL, Lebo MS.

Clin Genet. 2013 Nov;84(5):453-63. doi: 10.1111/cge.12257.

PubMed [citation]

PMID:: 24033266
PMCID:: PMC3995020

Details of each submission

From Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine, SCV000205677.5

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	2	not provided	not provided	clinical testing	PubMed (1)

Description

Pro4781Pro in exon 59 of TTN: This variant is not expected to have clinical sign ificance because it does not alter an amino acid residue and is not located with in the splice consensus sequence. Pro4781Pro in exon 59 of TTN (allele frequenc y = n/a)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	not provided	not provided	not provided	not provided		2	not provided	2	not provided

From GeneDx, SCV000725805.1

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

Description

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.

#	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 Clinical Genetics, Academic Medical Center - VKGL Data-share Consensus, SCV001918966.1

#	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

Last Updated: Jul 6, 2026

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