NM_000441.2(SLC26A4):c.165-1G>A AND not provided

Germline classification:: Pathogenic (2 submissions)
Last evaluated:: Nov 28, 2023
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:: RCV001060495.8

Allele description [Variation Report for NM_000441.2(SLC26A4):c.165-1G>A]

NM_000441.2(SLC26A4):c.165-1G>A

Gene:

SLC26A4:solute carrier family 26 member 4 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

7q22.3

Genomic location:

Preferred name:

NM_000441.2(SLC26A4):c.165-1G>A

HGVS:

NC_000007.14:g.107663295G>A
NG_008489.1:g.7661G>A
NM_000441.2:c.165-1G>AMANE SELECT
NC_000007.13:g.107303740G>A
NM_000441.1:c.165-1G>A

Links:

dbSNP: rs759792660

NCBI 1000 Genomes Browser:

rs759792660

Molecular consequence:

NM_000441.2:c.165-1G>A - splice acceptor variant - [Sequence Ontology: SO:0001574]

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001225188	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Pathogenic (Nov 28, 2023)	germline	clinical testing	PubMed (7) [See all records that cite these PMIDs] 16199547, 16283880, 25394566, 26252218, 26445815, 11375792, 28492532
SCV002056031	GeneDx	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	Pathogenic (Dec 22, 2021)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001225188

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Pathogenic
(Nov 28, 2023)

germline

clinical testing

PubMed (7)
[See all records that cite these PMIDs]

SCV002056031

GeneDx

criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)

Pathogenic
(Dec 22, 2021)

germline

clinical testing

Citation Link

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	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Splicing in action: assessing disease causing sequence changes.

Baralle D, Baralle M.

J Med Genet. 2005 Oct;42(10):737-48. Review.

PubMed [citation]

PMID:: 16199547
PMCID:: PMC1735933

Assessment of the genetic causes of recessive childhood non-syndromic deafness in the UK - implications for genetic testing.

Hutchin T, Coy NN, Conlon H, Telford E, Bromelow K, Blaydon D, Taylor G, Coghill E, Brown S, Trembath R, Liu XZ, Bitner-Glindzicz M, Mueller R.

Clin Genet. 2005 Dec;68(6):506-12.

PubMed [citation]

PMID:: 16283880

See all PubMed Citations (7)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001225188.5

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (7)

Description

This sequence change affects an acceptor splice site in intron 2 of the SLC26A4 gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in SLC26A4 are known to be pathogenic (PMID: 16283880, 25394566, 26252218, 26445815). This variant is present in population databases (rs759792660, gnomAD 0.03%). Disruption of this splice site has been observed in individual(s) with Pendred syndrome (PMID: 11375792). It has also been observed to segregate with disease in related individuals. This variant is also known as IVS2-1G>A. ClinVar contains an entry for this variant (Variation ID: 828068). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.

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

From GeneDx, SCV002056031.2

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

Description

Canonical splice site variant in a gene for which loss-of-function is a known mechanism of disease; This variant is associated with the following publications: (PMID: 28964290, 25525159, 11375792, 21366435, 11748854)

#	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: Sep 29, 2024

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