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NM_000260.4(MYO7A):c.5899C>T (p.Arg1967Ter) AND MYO7A-Related Disorders

Germline classification:
Likely pathogenic (1 submission)
Last evaluated:
Jun 14, 2016
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:
RCV000319894.1

Allele description

NM_000260.4(MYO7A):c.5899C>T (p.Arg1967Ter)

Gene:
MYO7A:myosin VIIA [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
11q13.5
Genomic location:
Preferred name:
NM_000260.4(MYO7A):c.5899C>T (p.Arg1967Ter)
HGVS:
  • NC_000011.10:g.77208472C>T
  • NG_009086.1:g.85208C>T
  • NG_009086.2:g.85227C>T
  • NM_000260.4:c.5899C>TMANE SELECT
  • NM_001127180.2:c.5785C>T
  • NM_001369365.1:c.5752C>T
  • NP_000251.3:p.Arg1967Ter
  • NP_001120652.1:p.Arg1929Ter
  • NP_001356294.1:p.Arg1918Ter
  • LRG_1420t1:c.5899C>T
  • LRG_1420:g.85227C>T
  • LRG_1420p1:p.Arg1967Ter
  • NC_000011.9:g.76919517C>T
  • NM_000260.3:c.5899C>T
  • p.Arg1967X
Protein change:
R1918*
Links:
dbSNP: rs376764423
NCBI 1000 Genomes Browser:
rs376764423
Molecular consequence:
  • NM_000260.4:c.5899C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_001127180.2:c.5785C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_001369365.1:c.5752C>T - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:
MYO7A-Related Disorders
Identifiers:
MedGen: CN239407

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000374493Illumina Clinical Services Laboratory,Illumina
criteria provided, single submitter

(ICSL Variant Classification 20161018)
Likely pathogenic
(Jun 14, 2016)
germlineclinical testing

PubMed (3)
[See all records that cite these PMIDs]

ICSL_Variant_Classification_20161018.pdf

Citation Link

Summary from all submissions

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

Citations

PubMed

Genetic analysis through OtoSeq of Pakistani families segregating prelingual hearing loss.

Shahzad M, Sivakumaran TA, Qaiser TA, Schultz JM, Hussain Z, Flanagan M, Bhinder MA, Kissell D, Greinwald JH Jr, Khan SN, Friedman TB, Zhang K, Riazuddin S, Riazuddin S, Ahmed ZM.

Otolaryngol Head Neck Surg. 2013 Sep;149(3):478-87. doi: 10.1177/0194599813493075. Epub 2013 Jun 14.

PubMed [citation]
PMID:
23770805
PMCID:
PMC4030297

Targeted exon sequencing in Usher syndrome type I.

Bujakowska KM, Consugar M, Place E, Harper S, Lena J, Taub DG, White J, Navarro-Gomez D, Weigel DiFranco C, Farkas MH, Gai X, Berson EL, Pierce EA.

Invest Ophthalmol Vis Sci. 2014 Dec 2;55(12):8488-96. doi: 10.1167/iovs.14-15169.

PubMed [citation]
PMID:
25468891
PMCID:
PMC4280089
See all PubMed Citations (3)

Details of each submission

From Illumina Clinical Services Laboratory,Illumina, SCV000374493.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (3)

Description

The c.5899C>T (p.Arg1967Ter) stop-gained variant has been reported in three studies in patients with Usher syndrome and is found in four affected siblings from a consanguineous family in a homozygous state, in one patient in a compound heterozygous state, and in one patient in a heterozygous state who also carried a second missense variant, but the phase is unknown (Shahzad et al. 2013; Bujakowska et al. 2014; Ellingford et al. 2016). The variant is also found in one unaffected parent in a heterozygous state (Bujakowska et al. 2014). One affected relative from the extended consanguineous family did not carry the p.Arg1967Ter variant. The variant was absent from 190 controls (Shahzad et al. 2013) but is reported at a frequency of 0.00005 in the European (Non-Finnish) population of the Exome Aggregation Consortium. Based on the evidence in the literature and the potential impact of stop-gained variants, the p.Arg1967Ter variant is classified as likely pathogenic for MYO7A-related disorders.

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

Last Updated: Sep 23, 2021