chr2-218893145-C-A

Position:

• chr2-218893145-C-A

Variant summary

Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PVS1_Strong PM2 PP5_Moderate

The NM_025216.3(WNT10A):​c.1128C>A​(p.Cys376Ter) variant causes a stop gained change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★). Synonymous variant affecting the same amino acid position (i.e. C376C) has been classified as Likely benign.

• Frequency: Genomes: not found (cov: 32)
• Consequence: WNT10A NM_025216.3 stop_gained
• Clinical Significance: Pathogenic criteria provided, single submitter P:2
• Conservation: PhyloP100: 7.65

Genes affected

WNT10A (HGNC:13829): (Wnt family member 10A) The WNT gene family consists of structurally related genes which encode secreted signaling proteins. These proteins have been implicated in oncogenesis and in several developmental processes, including regulation of cell fate and patterning during embryogenesis. This gene is a member of the WNT gene family. It is strongly expressed in the cell lines of promyelocytic leukemia and Burkitt's lymphoma. In addition, it and another family member, the WNT6 gene, are strongly coexpressed in colorectal cancer cell lines. The gene overexpression may play key roles in carcinogenesis through activation of the WNT-beta-catenin-TCF signaling pathway. This gene and the WNT6 gene are clustered in the chromosome 2q35 region. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Likely_pathogenic. Variant got 8 ACMG points.

• PVS1: Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most exon, not predicted to undergo nonsense mediated mRNA decay. There are 8 pathogenic variants in the truncated region.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 2-218893145-C-A is Pathogenic according to our data. Variant chr2-218893145-C-A is described in ClinVar as [Pathogenic]. Clinvar id is 4464.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
WNT10A	NM_025216.3	c.1128C>A	p.Cys376Ter	stop_gained	4/4	ENST00000258411.8
WNT10A	XM_011511929.3	c.1032C>A	p.Cys344Ter	stop_gained	5/5
WNT10A	XM_011511930.2	c.748C>A	p.Leu250Met	missense_variant	3/3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
WNT10A	ENST00000258411.8	c.1128C>A	p.Cys376Ter	stop_gained	4/4	1	NM_025216.3	P1
WNT10A	ENST00000458582.1	c.637C>A	p.Ter213=	incomplete_terminal_codon_variant, coding_sequence_variant	2/2	3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

Bravo AF: 0.00000378

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:2

Revision: criteria provided, single submitter

Submissions by phenotype

Odonto-onycho-dermal dysplasia Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Jul 01, 2009

- -

Odonto-onycho-dermal dysplasia;C1835492:Tooth agenesis, selective, 4 Pathogenic:1

Pathogenic, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Mar 26, 2023

This sequence change creates a premature translational stop signal (p.Cys376*) in the WNT10A gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 42 amino acid(s) of the WNT10A protein. This variant is not present in population databases (gnomAD no frequency). For these reasons, this variant has been classified as Pathogenic. This variant disrupts a region of the WNT10A protein in which other variant(s) (p.Glu390*) have been determined to be pathogenic (PMID: 24902757). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. ClinVar contains an entry for this variant (Variation ID: 4464). This premature translational stop signal has been observed in individual(s) with ectodermal dysplasia (PMID: 19559398). -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.63	D
BayesDel_noAF	Pathogenic	0.58
CADD	Pathogenic	38
DANN	Uncertain	0.99
Eigen	Pathogenic	0.79
Eigen_PC	Uncertain	0.64
FATHMM_MKL	Pathogenic	0.97	D
MutationTaster	Benign	1.0	A
Vest4		0.86
ClinPred		1.0	D
GERP RS		4.0

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

Other links and lift over

dbSNP: rs121908122; hg19: chr2-219757867;