rs374156784

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS1

The NM_022124.6(CDH23):​c.9617G>A​(p.Arg3206His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000103 in 1,613,604 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R3206C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00030 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000082 ( 0 hom. )

Consequence

CDH23
NM_022124.6 missense

Scores

5
7
7

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:1

Conservation

PhyloP100: 9.92

Publications

4 publications found
Variant links:
Genes affected
CDH23 (HGNC:13733): (cadherin related 23) This gene is a member of the cadherin superfamily, whose genes encode calcium dependent cell-cell adhesion glycoproteins. The encoded protein is thought to be involved in stereocilia organization and hair bundle formation. The gene is located in a region containing the human deafness loci DFNB12 and USH1D. Usher syndrome 1D and nonsyndromic autosomal recessive deafness DFNB12 are caused by allelic mutations of this cadherin-like gene. Upregulation of this gene may also be associated with breast cancer. Alternative splice variants encoding different isoforms have been described. [provided by RefSeq, May 2013]
CDH23 Gene-Disease associations (from GenCC):
  • autosomal recessive nonsyndromic hearing loss 12
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, PanelApp Australia
  • nonsyndromic genetic hearing loss
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • Usher syndrome type 1
    Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
  • Usher syndrome type 1D
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), PanelApp Australia
  • hearing loss, autosomal recessive
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.2112872).
BP6
Variant 10-71812874-G-A is Benign according to our data. Variant chr10-71812874-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 162957.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000302 (46/152344) while in subpopulation AFR AF = 0.000866 (36/41582). AF 95% confidence interval is 0.000643. There are 0 homozygotes in GnomAd4. There are 25 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CDH23NM_022124.6 linkc.9617G>A p.Arg3206His missense_variant Exon 68 of 70 ENST00000224721.12 NP_071407.4 Q9H251-1Q6P152

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CDH23ENST00000224721.12 linkc.9617G>A p.Arg3206His missense_variant Exon 68 of 70 5 NM_022124.6 ENSP00000224721.9 Q9H251-1

Frequencies

GnomAD3 genomes
AF:
0.000302
AC:
46
AN:
152226
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000868
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000959
GnomAD2 exomes
AF:
0.000169
AC:
42
AN:
248034
AF XY:
0.000126
show subpopulations
Gnomad AFR exome
AF:
0.00104
Gnomad AMR exome
AF:
0.0000582
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000466
Gnomad NFE exome
AF:
0.000107
Gnomad OTH exome
AF:
0.000332
GnomAD4 exome
AF:
0.0000821
AC:
120
AN:
1461260
Hom.:
0
Cov.:
38
AF XY:
0.0000743
AC XY:
54
AN XY:
726856
show subpopulations
African (AFR)
AF:
0.00119
AC:
40
AN:
33476
American (AMR)
AF:
0.0000895
AC:
4
AN:
44670
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26126
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39686
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86136
European-Finnish (FIN)
AF:
0.000300
AC:
16
AN:
53346
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000423
AC:
47
AN:
1111696
Other (OTH)
AF:
0.000182
AC:
11
AN:
60356
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.471
Heterozygous variant carriers
0
8
17
25
34
42
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000302
AC:
46
AN:
152344
Hom.:
0
Cov.:
33
AF XY:
0.000336
AC XY:
25
AN XY:
74502
show subpopulations
African (AFR)
AF:
0.000866
AC:
36
AN:
41582
American (AMR)
AF:
0.000457
AC:
7
AN:
15306
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.0000941
AC:
1
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68034
Other (OTH)
AF:
0.000949
AC:
2
AN:
2108
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.505
Heterozygous variant carriers
0
2
4
7
9
11
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000447
Hom.:
0
Bravo
AF:
0.000484
ESP6500AA
AF:
0.000966
AC:
4
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000190
AC:
23
EpiCase
AF:
0.00
EpiControl
AF:
0.0000594

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:3Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1Benign:1
Oct 19, 2023
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Identified in a patient with retinal dystrophy who also had variants in the ABCA4 gene (PMID: 32090030); In silico analysis supports that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: Li[article]2022, 32090030) -

Jan 23, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Uncertain:1
Mar 15, 2014
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The Arg3206His variant in CDH23 has not been previously reported in individuals with hearing loss, but has been identified in 0.1% (4/4142) of African American chromosomes by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/ EVS/; dbSNP rs374156784). Computational prediction tools and conservation analys es do not provide strong support for or against an impact to the protein. In sum mary, additional information is needed to determine the clinical significance of this variant. -

Usher syndrome type 1 Uncertain:1
Oct 28, 2019
Natera, Inc.
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.25
BayesDel_addAF
Benign
-0.044
T
BayesDel_noAF
Uncertain
0.11
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.015
T;T;.;.
Eigen
Pathogenic
0.84
Eigen_PC
Pathogenic
0.87
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Uncertain
0.97
D;D;D;D
M_CAP
Uncertain
0.11
D
MetaRNN
Benign
0.21
T;T;T;T
MetaSVM
Uncertain
0.30
D
MutationAssessor
Benign
1.0
.;L;.;.
PhyloP100
9.9
PrimateAI
Pathogenic
0.82
D
PROVEAN
Benign
-0.51
.;.;.;N
REVEL
Uncertain
0.59
Sift
Uncertain
0.0020
.;.;.;D
Sift4G
Pathogenic
0.0
D;.;D;D
Polyphen
1.0
.;D;.;.
Vest4
0.86
MVP
0.94
MPC
0.42
ClinPred
0.35
T
GERP RS
5.9
Varity_R
0.43
gMVP
0.67
Mutation Taster
=9/91
disease causing

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

Other links and lift over

dbSNP: rs374156784; hg19: chr10-73572631; COSMIC: COSV56487573; COSMIC: COSV56487573; API