NM_001267550.2(TTN):c.25223C>T (p.Thr8408Ile) AND Myopathy, myofibrillar, 9, with early respiratory failure

Germline classification:: Benign (1 submission)
Last evaluated:: Sep 10, 2021
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:: RCV001839553.10

Allele description [Variation Report for NM_001267550.2(TTN):c.25223C>T (p.Thr8408Ile)]

NM_001267550.2(TTN):c.25223C>T (p.Thr8408Ile)

Gene:

TTN:titin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2q31.2

Genomic location:

Preferred name:

NM_001267550.2(TTN):c.25223C>T (p.Thr8408Ile)

HGVS:

NC_000002.12:g.178717651G>A
NG_011618.3:g.118152C>T
NM_001256850.1:c.24272C>T
NM_001267550.2:c.25223C>TMANE SELECT
NM_003319.4:c.13282+20431C>T
NM_133378.4:c.21491C>T
NM_133432.3:c.13657+20431C>T
NM_133437.4:c.13858+20431C>T
NP_001243779.1:p.Thr8091Ile
NP_001254479.2:p.Thr8408Ile
NP_596869.4:p.Thr7164Ile
NP_596869.4:p.Thr7164Ile
LRG_391t1:c.25223C>T
LRG_391:g.118152C>T
NC_000002.11:g.179582378G>A
NM_001267550.1:c.25223C>T
c.21491C>T

Protein change:

T7164I

Links:

dbSNP: rs201432372

NCBI 1000 Genomes Browser:

rs201432372

Molecular consequence:

NM_003319.4:c.13282+20431C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_133432.3:c.13657+20431C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_133437.4:c.13858+20431C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001256850.1:c.24272C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_001267550.2:c.25223C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_133378.4:c.21491C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Myopathy, myofibrillar, 9, with early respiratory failure (MFM9)
Synonyms:: EDSTROM MYOPATHY; MYOPATHY, PROXIMAL, WITH EARLY RESPIRATORY MUSCLE INVOLVEMENT; Myopathy, distal, with early respiratory failure, autosomal dominant
Identifiers:: MONDO: MONDO:0011362; MedGen: C1863599; Orphanet: 178464; Orphanet: 34521; OMIM: 603689

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002102038	Genome-Nilou Lab	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign (Sep 10, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002102038

Genome-Nilou Lab

criteria provided, single submitter

(ACMG Guidelines, 2015)

Benign
(Sep 10, 2021)

germline

clinical testing

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

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	no	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee.

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Genome-Nilou Lab, SCV002102038.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	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	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Jun 8, 2025

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