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NM_000218.3(KCNQ1):c.*975C>T AND Jervell and Lange-Nielsen syndrome 1

Germline classification:
Likely benign (1 submission)
Last evaluated:
Feb 20, 2018
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:
RCV000269305.7

Allele description [Variation Report for NM_000218.3(KCNQ1):c.*975C>T]

NM_000218.3(KCNQ1):c.*975C>T

Genes:
KCNQ1-AS1:KCNQ1 antisense RNA 1 [Gene - HGNC]
KCNQ1:potassium voltage-gated channel subfamily Q member 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
11p15.4
Genomic location:
Preferred name:
NM_000218.3(KCNQ1):c.*975C>T
HGVS:
  • NC_000011.10:g.2848978C>T
  • NG_008935.1:g.408988C>T
  • NM_000218.3:c.*975C>TMANE SELECT
  • NM_001406836.1:c.*975C>T
  • NM_001406837.1:c.*975C>T
  • NM_001406838.1:c.*975C>T
  • NM_001406839.1:c.*975C>T
  • NM_181798.2:c.*975C>T
  • LRG_287t1:c.*975C>T
  • LRG_287t2:c.*975C>T
  • LRG_287:g.408988C>T
  • NC_000011.9:g.2870208C>T
  • NM_000218.2:c.*975C>T
  • NM_181798.1:c.*975C>T
  • NR_040711.2:n.2899C>T
Links:
dbSNP: rs74048340
NCBI 1000 Genomes Browser:
rs74048340
Molecular consequence:
  • NM_000218.3:c.*975C>T - 3 prime UTR variant - [Sequence Ontology: SO:0001624]

Condition(s)

Name:
Jervell and Lange-Nielsen syndrome 1 (JLNS1)
Synonyms:
Deafness, congenital, and functional heart disease; Prolonged QT interval in EKG and sudden death; Cardioauditory syndrome of Jervell and Lange-Nielsen; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0024540; MedGen: C4551509; Orphanet: 768; Orphanet: 90647; OMIM: 220400

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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000370599Illumina Laboratory Services, Illumina
criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)		Likely benign
(Feb 20, 2018) 		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 Illumina Laboratory Services, Illumina, SCV000370599.3

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

Description

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign.

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

Last Updated: Dec 24, 2023