3-46701334-G-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBS1_Supporting

The NM_001370524.1(TMIE):c.-66-4456G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00116 in 560,318 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0029 ( 1 hom., cov: 32)

Exomes 𝑓: 0.00049 ( 0 hom. )

Consequence

TMIE
NM_001370524.1 intron

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.141

Variant links:

Genes affected

TMIE (HGNC:30800): (transmembrane inner ear) This gene encodes a transmembrane inner ear protein. Studies in mouse suggest that this gene is required for normal postnatal maturation of sensory hair cells in the cochlea, including correct development of stereocilia bundles. This gene is one of multiple genes responsible for recessive non-syndromic deafness (DFNB), also known as autosomal recessive nonsyndromic hearing loss (ARNSHL), the most common form of congenitally acquired inherited hearing impairment. [provided by RefSeq, Mar 2009]

TMIE links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.8).

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00294 (448/152266) while in subpopulation AFR AF= 0.00847 (352/41564). AF 95% confidence interval is 0.00774. There are 1 homozygotes in gnomad4. There are 227 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TMIE	NM_001370524.1 linkuse as main transcript	c.-66-4456G>A		intron_variant
TMIE	NM_001370525.1 linkuse as main transcript	c.-66-4456G>A		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TMIE	ENST00000644830.1 linkuse as main transcript	c.-66-4456G>A		intron_variant

Frequencies

GnomAD3 genomes

AF:

0.00296

AC:

450

AN:

152158

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00852

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00530

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.000132

Gnomad OTH

AF:

0.00239

GnomAD3 exomes

AF:

0.00116

AC:

AN:

3440

Hom.:

AF XY:

0.00103

AC XY:

AN XY:

1946

show subpopulations

Gnomad AFR exome

AF:

0.0250

Gnomad AMR exome

AF:

0.00394

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:

0.000423

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000490

AC:

200

AN:

408052

Hom.:

Cov.:

AF XY:

0.000452

AC XY:

AN XY:

212242

show subpopulations

Gnomad4 AFR exome

AF:

0.00890

Gnomad4 AMR exome

AF:

0.00232

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000216

Gnomad4 OTH exome

AF:

0.00189

GnomAD4 genome

AF:

0.00294

AC:

448

AN:

152266

Hom.:

Cov.:

AF XY:

0.00305

AC XY:

227

AN XY:

74446

show subpopulations

Gnomad4 AFR

AF:

0.00847

Gnomad4 AMR

AF:

0.00529

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000132

Gnomad4 OTH

AF:

0.00237

Alfa

AF:

0.00243

Hom.:

Bravo

AF:

0.00362

Asia WGS

AF:

0.00174

AC:

AN:

3470

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Autosomal recessive nonsyndromic hearing loss 6

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 12, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.80

Cadd

Benign

8.5

Dann

Benign

0.85

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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