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NM_206933.4(USH2A):c.3546T>A (p.Tyr1182Ter) AND Usher syndrome

Germline classification:
Likely pathogenic (1 submission)
Last evaluated:
Apr 19, 2022
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:
RCV002236182.1

Allele description [Variation Report for NM_206933.4(USH2A):c.3546T>A (p.Tyr1182Ter)]

NM_206933.4(USH2A):c.3546T>A (p.Tyr1182Ter)

Genes:
USH2A-AS1:USH2A antisense RNA 1 [Gene - HGNC]
USH2A:usherin [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
1q41
Genomic location:
Preferred name:
NM_206933.4(USH2A):c.3546T>A (p.Tyr1182Ter)
HGVS:
  • NC_000001.11:g.216199892A>T
  • NG_009497.2:g.228557T>A
  • NM_007123.6:c.3546T>A
  • NM_206933.4:c.3546T>AMANE SELECT
  • NP_009054.6:p.Tyr1182Ter
  • NP_996816.3:p.Tyr1182Ter
  • NC_000001.10:g.216373234A>T
  • NG_009497.1:g.228505T>A
  • NM_206933.2:c.3546T>A
Protein change:
Y1182*
Links:
dbSNP: rs762167370
NCBI 1000 Genomes Browser:
rs762167370
Molecular consequence:
  • NM_007123.6:c.3546T>A - nonsense - [Sequence Ontology: SO:0001587]
  • NM_206933.4:c.3546T>A - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:
Usher syndrome
Synonyms:
Usher Syndromes; Usher's syndrome
Identifiers:
MONDO: MONDO:0019501; MeSH: D052245; MedGen: C0271097; Orphanet: 886; OMIM: PS276900

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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV002511998Women's Health and Genetics/Laboratory Corporation of America, LabCorp
criteria provided, single submitter

(LabCorp Variant Classification Summary - May 2015)		Likely pathogenic
(Apr 19, 2022) 		germlineclinical testing

Citation Link

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Summary from all submissions

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

Details of each submission

From Women's Health and Genetics/Laboratory Corporation of America, LabCorp, SCV002511998.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

Variant summary: USH2A c.3546T>A (p.Tyr1182X) results in a premature termination codon, predicted to cause a truncation of the encoded protein or absence of the protein due to nonsense mediated decay, which are commonly known mechanisms for disease. Truncations downstream of this position have been classified as pathogenic by our laboratory. The variant was absent in 250972 control chromosomes. To our knowledge, no occurrence of c.3546T>A in individuals affected with Usher Syndrome and no experimental evidence demonstrating its impact on protein function have been reported. One clinical diagnostic laboratory has submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. One laboratory classified the variant as pathogenic. Based on the evidence outlined above, the variant was classified as likely pathogenic.

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

Last Updated: Sep 29, 2024