10-71803066-C-G

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_022124.6(CDH23):​c.7651C>G​(p.Pro2551Ala) variant causes a missense change. The variant allele was found at a frequency of 0.00000206 in 1,457,476 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

CDH23
NM_022124.6 missense

Scores

1
5
13

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 5.30

Publications

1 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: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.28985476).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CDH23NM_022124.6 linkc.7651C>G p.Pro2551Ala missense_variant Exon 54 of 70 ENST00000224721.12 NP_071407.4 Q9H251-1Q6P152
CDH23NM_001171933.1 linkc.931C>G p.Pro311Ala missense_variant Exon 7 of 23 NP_001165404.1 Q9H251-7
CDH23NM_001171934.1 linkc.931C>G p.Pro311Ala missense_variant Exon 7 of 22 NP_001165405.1 Q9H251-9

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CDH23ENST00000224721.12 linkc.7651C>G p.Pro2551Ala missense_variant Exon 54 of 70 5 NM_022124.6 ENSP00000224721.9 Q9H251-1

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD2 exomes
AF:
0.00000806
AC:
2
AN:
248234
AF XY:
0.00000743
show subpopulations
Gnomad AFR exome
AF:
0.0000646
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000890
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000206
AC:
3
AN:
1457476
Hom.:
0
Cov.:
38
AF XY:
0.00000276
AC XY:
2
AN XY:
724140
show subpopulations
African (AFR)
AF:
0.0000599
AC:
2
AN:
33408
American (AMR)
AF:
0.00
AC:
0
AN:
44608
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26038
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39556
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86158
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53344
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5756
European-Non Finnish (NFE)
AF:
9.02e-7
AC:
1
AN:
1108466
Other (OTH)
AF:
0.00
AC:
0
AN:
60142
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.458
Heterozygous variant carriers
0
0
1
1
2
2
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
Cov.:
31
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Uncertain:1
Aug 21, 2014
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The Pro2551Ala variant in CDH23 has not been previously reported in individuals with hearing loss and was absent from large population studies. Computational pr ediction tools and conservation analyses suggest that the Pro2551Ala variant may impact the protein, though this information is not predictive enough to determi ne pathogenicity. In summary, the clinical significance of the Pro2551Ala varian t is uncertain. -

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

- -

not provided Uncertain:1
Mar 28, 2019
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Not observed at a significant frequency in large population cohorts (Lek et al., 2016); In silico analysis, which includes protein predictors and evolutionary conservation, supports that this variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.083
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.35
CADD
Benign
20
DANN
Uncertain
0.99
DEOGEN2
Benign
0.063
T;T;.;.
Eigen
Uncertain
0.34
Eigen_PC
Uncertain
0.39
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.86
D;D;D;D
M_CAP
Benign
0.031
D
MetaRNN
Benign
0.29
T;T;T;T
MetaSVM
Benign
-0.56
T
MutationAssessor
Benign
0.82
.;L;.;.
PhyloP100
5.3
PrimateAI
Benign
0.46
T
PROVEAN
Benign
-1.5
.;.;.;N
REVEL
Benign
0.25
Sift
Benign
0.48
.;.;.;T
Sift4G
Uncertain
0.015
D;.;D;D
Polyphen
0.71
.;P;.;.
Vest4
0.48
MutPred
0.55
Loss of disorder (P = 0.0888);Loss of disorder (P = 0.0888);.;.;
MVP
0.88
MPC
0.46
ClinPred
0.53
D
GERP RS
5.0
Varity_R
0.12
gMVP
0.17
Mutation Taster
=29/71
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: rs548188123; hg19: chr10-73562823; API