rs137853146

Variant summary

Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong

The NM_014244.5(ADAMTS2):​c.673C>T​(p.Gln225*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000783 in 1,610,038 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000081 ( 0 hom. )

Consequence

ADAMTS2
NM_014244.5 stop_gained

Scores

2
3
2

Clinical Significance

Pathogenic criteria provided, multiple submitters, no conflicts P:10

Conservation

PhyloP100: 2.66
Variant links:
Genes affected
ADAMTS2 (HGNC:218): (ADAM metallopeptidase with thrombospondin type 1 motif 2) This gene encodes a member of the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) protein family. Members of the family share several distinct protein modules, including a propeptide region, a metalloproteinase domain, a disintegrin-like domain, and a thrombospondin type 1 (TS) motif. Individual members of this family differ in the number of C-terminal TS motifs, and some have unique C-terminal domains. The encoded preproprotein is proteolytically processed to generate the mature procollagen N-proteinase. This proteinase excises the N-propeptide of the fibrillar procollagens types I-III and type V. Mutations in this gene cause Ehlers-Danlos syndrome type VIIC, a recessively inherited connective-tissue disorder. Alternative splicing results in multiple transcript variants, at least one of which encodes an isoform that is proteolytically processed. [provided by RefSeq, Feb 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 18 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 5-179272926-G-A is Pathogenic according to our data. Variant chr5-179272926-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 5502.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ADAMTS2NM_014244.5 linkc.673C>T p.Gln225* stop_gained Exon 3 of 22 ENST00000251582.12 NP_055059.2 O95450-1
ADAMTS2NM_021599.4 linkc.673C>T p.Gln225* stop_gained Exon 3 of 11 NP_067610.1 O95450-2
ADAMTS2XM_047417895.1 linkc.178C>T p.Gln60* stop_gained Exon 2 of 21 XP_047273851.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ADAMTS2ENST00000251582.12 linkc.673C>T p.Gln225* stop_gained Exon 3 of 22 1 NM_014244.5 ENSP00000251582.7 O95450-1
ADAMTS2ENST00000274609.5 linkc.673C>T p.Gln225* stop_gained Exon 3 of 11 1 ENSP00000274609.5 O95450-2
ADAMTS2ENST00000518335.3 linkc.673C>T p.Gln225* stop_gained Exon 3 of 21 3 ENSP00000489888.2 A0A1B0GTY3
ADAMTS2ENST00000698889.1 linkn.673C>T non_coding_transcript_exon_variant Exon 3 of 21 ENSP00000514008.1 A0A8V8TMU7

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
152162
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00202
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000149
AC:
37
AN:
247994
Hom.:
0
AF XY:
0.000149
AC XY:
20
AN XY:
134418
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00299
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000266
Gnomad OTH exome
AF:
0.000493
GnomAD4 exome
AF:
0.0000809
AC:
118
AN:
1457876
Hom.:
0
Cov.:
32
AF XY:
0.0000827
AC XY:
60
AN XY:
725324
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00341
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000162
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.0000526
AC:
8
AN:
152162
Hom.:
0
Cov.:
32
AF XY:
0.0000538
AC XY:
4
AN XY:
74318
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00202
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000359
Hom.:
0
Bravo
AF:
0.0000718
TwinsUK
AF:
0.000809
AC:
3
ALSPAC
AF:
0.00
AC:
0
ExAC
AF:
0.000115
AC:
14
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:10
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Ehlers-Danlos syndrome, dermatosparaxis type Pathogenic:8
Feb 26, 2016
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Aug 31, 2018
Illumina Laboratory Services, Illumina
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The ADAMTS2 c.673C>T (p.Gln225Ter) variant is a stop-gained variant that is predicted to result in a premature termination of the protein. The variant has been reported in a homozygous state in a total of six individuals with Ehlers-Danlos syndrome (Colige et al. 1999; Bar-Yosef et al. 2008). One of the newborn individuals exhibited multiple non-traumatic congenital skull fractures and multiple other defects related to a connective tissue abnormality (Bar-Yosef et al. 2008). Control data are unavailable for the p.Gln225Ter variant, which is reported at a frequency of 0.003053 in the Ashkenazi Jewish population of the Genome Aggregation Database. Due to the potential impact of stop-gained variants and the available evidence, the p.Gln225Ter variant is classified as pathogenic for Ehlers-Danlos syndrome, dermatosparaxis type. This variant was observed by ICSL as part of a predisposition screen in an ostensibly healthy population. -

Oct 29, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change creates a premature translational stop signal (p.Gln225*) in the ADAMTS2 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in ADAMTS2 are known to be pathogenic (PMID: 10417273). This variant is present in population databases (rs137853146, gnomAD 0.3%). This premature translational stop signal has been observed in individuals with Ehlers-Danlos syndrome, type VIIC (PMID: 10417273, 18973246). ClinVar contains an entry for this variant (Variation ID: 5502). For these reasons, this variant has been classified as Pathogenic. -

May 08, 2024
Fulgent Genetics, Fulgent Genetics
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Oct 04, 2021
Revvity Omics, Revvity
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jan 03, 2020
Myriad Genetics, Inc.
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

NM_014244.4(ADAMTS2):c.673C>T(Q225*) is classified as pathogenic in the context of type VIIC Ehlers-Danlos syndrome. Sources cited for classification include the following: PMID 10417273. Classification of NM_014244.4(ADAMTS2):c.673C>T(Q225*) is based on the following criteria: The variant causes a premature termination codon that is expected to be targeted by nonsense-mediated mRNA decay and is reported in individuals with the relevant phenotype. Please note: this variant was assessed in the context of healthy population screening. -

Sep 16, 2020
Natera, Inc.
Significance: Pathogenic
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Aug 01, 1999
OMIM
Significance: Pathogenic
Review Status: no assertion criteria provided
Collection Method: literature only

- -

not provided Pathogenic:2
Feb 14, 2024
Mayo Clinic Laboratories, Mayo Clinic
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

PM3_strong, PS4, PVS1 -

Nov 24, 2021
GeneDx
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Nonsense variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is a known mechanism of disease; Reported in ClinVar as pathogenic (ClinVar Variant ID# 5502; Landrum et al., 2016); This variant is associated with the following publications: (PMID: 10417273, 27175728, 26879370, 18973246, 26582918) -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.57
D
BayesDel_noAF
Pathogenic
0.47
CADD
Pathogenic
38
DANN
Uncertain
1.0
Eigen
Uncertain
0.62
Eigen_PC
Uncertain
0.43
FATHMM_MKL
Benign
0.74
D
Vest4
0.85
GERP RS
3.1

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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.

Other links and lift over

dbSNP: rs137853146; hg19: chr5-178699927; COSMIC: COSV51081254; API