rs150567427

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 2P and 8B. PVS1_ModerateBS1BS2

The NM_153676.4(USH1C):c.2014-1G>A variant causes a splice acceptor, intron change. The variant allele was found at a frequency of 0.000323 in 1,614,178 control chromosomes in the GnomAD database, including 6 homozygotes. 3/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0017 ( 2 hom., cov: 33)

Exomes 𝑓: 0.00018 ( 4 hom. )

Consequence

USH1C
NM_153676.4 splice_acceptor, intron

Scores

Splicing: ADA: 1.000

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts P:1U:2B:4

Conservation

PhyloP100: 5.40

Variant links:

Genes affected

USH1C (HGNC:12597): (USH1 protein network component harmonin) This gene encodes a scaffold protein that functions in the assembly of Usher protein complexes. The protein contains PDZ domains, a coiled-coil region with a bipartite nuclear localization signal and a PEST degradation sequence. Defects in this gene are the cause of Usher syndrome type 1C and non-syndromic sensorineural deafness autosomal recessive type 18. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]

USH1C links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

PVS1

Splicing +-2 bp (donor or acceptor) variant, product NOT destroyed by NMD, known LOF gene, truncates exone, which is 0.044444446 fraction of the gene. No cryptic splice site detected. Exon removal is inframe change.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00172 (262/152318) while in subpopulation AFR AF= 0.00613 (255/41568). AF 95% confidence interval is 0.00552. There are 2 homozygotes in gnomad4. There are 127 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
USH1C	NM_153676.4 link	c.2014-1G>A		splice_acceptor_variant, intron_variant	Intron 18 of 26	ENST00000005226.12	NP_710142.1	Q9Y6N9-5
USH1C	NM_005709.4 link	c.1285-3970G>A		intron_variant	Intron 15 of 20	ENST00000318024.9	NP_005700.2	Q9Y6N9-1A0A0S2Z4U9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
USH1C	ENST00000005226.12 link	c.2014-1G>A		splice_acceptor_variant, intron_variant	Intron 18 of 26	5	NM_153676.4	ENSP00000005226.7		Q9Y6N9-5
USH1C	ENST00000318024.9 link	c.1285-3970G>A		intron_variant	Intron 15 of 20	1	NM_005709.4	ENSP00000317018.4		Q9Y6N9-1

Frequencies

GnomAD3 genomes

AF:

0.00171

AC:

261

AN:

152200

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00613

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000327

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.000958

GnomAD3 exomes

AF:

0.000418

AC:

105

AN:

251310

Hom.:

AF XY:

0.000346

AC XY:

AN XY:

135872

show subpopulations

Gnomad AFR exome

AF:

0.00615

Gnomad AMR exome

AF:

0.000145

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000178

AC:

260

AN:

1461860

Hom.:

Cov.:

AF XY:

0.000160

AC XY:

116

AN XY:

727228

show subpopulations

Gnomad4 AFR exome

AF:

0.00633

Gnomad4 AMR exome

AF:

0.000268

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000270

Gnomad4 OTH exome

AF:

0.000480

GnomAD4 genome

AF:

0.00172

AC:

262

AN:

152318

Hom.:

Cov.:

AF XY:

0.00170

AC XY:

127

AN XY:

74492

show subpopulations

Gnomad4 AFR

AF:

0.00613

Gnomad4 AMR

AF:

0.000327

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.000948

Alfa

AF:

0.00167

Hom.:

Bravo

AF:

0.00196

ESP6500AA

AF:

0.00500

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000502

AC:

ClinVar

Significance: Benign

Submissions summary: Pathogenic:1Uncertain:2Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:1Benign:2

Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Apr 16, 2024	- -
Benign, criteria provided, single submitter	clinical testing	GeneDx	Jul 26, 2019	Has not been previously reported as pathogenic or benign to our knowledge -
Uncertain significance, flagged submission	clinical testing	Eurofins Ntd Llc (ga)	Jan 20, 2016	- -

Usher syndrome type 1

Pathogenic:1

Pathogenic, flagged submission

clinical testing

Baylor Genetics

- -

not specified

Uncertain:1

Uncertain significance, flagged submission

clinical testing

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Apr 11, 2014

The 2014-1G>A variant in USH1C has not been previously reported in individuals w ith hearing loss. It was identified in 0.5% (22/4400) of African American chromo somes by the NHLBI Exome Sequencing Project and in 1.6% (2/122) of African Ameri can chromosomes by the 1000 Genomes Project (http://evs.gs.washington.edu/EVS/; dbSNP rs150567427). Although this variant has been seen in the general populati on, its frequency is not high enough to rule out a pathogenic role. This variant occurs in the invariant region (-1/2) of the 3? splice consensus sequence and c omputational tools suggest an impact to splicing. In summary, while this variant may impact splicing, its frequency in the general population suggests a benign role; therefore, additional information is needed to determine the clinical sign ificance of the 2014-1G>A variant. -

USH1C-related disorder

Benign:1

Likely benign, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Sep 06, 2024

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Usher syndrome type 1C

Benign:1

Benign, criteria provided, single submitter

clinical testing

Baylor Genetics

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Uncertain

0.071

BayesDel_noAF

Pathogenic

0.33

CADD

Pathogenic

DANN

Uncertain

1.0

Eigen

Pathogenic

1.0

Eigen_PC

Pathogenic

0.87

FATHMM_MKL

Uncertain

0.93

GERP RS

4.9

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Pathogenic

1.0

dbscSNV1_RF

Pathogenic

0.91

SpliceAI score (max)

0.56

Details are displayed if max score is > 0.2

DS_AG_spliceai

0.56

Position offset: -15

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over