NM_004006.3:c.10247G>A

Variant names:

Variant summary

Our verdict is Likely pathogenic. The variant received 9 ACMG points: 9P and 0B. PVS1PP5

The NM_004006.3(DMD):c.10247G>A(p.Trp3416*) variant causes a stop gained change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000497 in 1,206,155 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000036 ( 0 hom., 1 hem., cov: 22)

Exomes 𝑓: 0.0000018 ( 0 hom. 0 hem. )

Consequence

DMD
NM_004006.3 stop_gained

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:7U:4B:1

Conservation

PhyloP100: 7.31

Publications

1 publications found

Variant links:

Genes affected

DMD (HGNC:2928): (dystrophin) This gene spans a genomic range of greater than 2 Mb and encodes a large protein containing an N-terminal actin-binding domain and multiple spectrin repeats. The encoded protein forms a component of the dystrophin-glycoprotein complex (DGC), which bridges the inner cytoskeleton and the extracellular matrix. Deletions, duplications, and point mutations at this gene locus may cause Duchenne muscular dystrophy (DMD), Becker muscular dystrophy (BMD), or cardiomyopathy. Alternative promoter usage and alternative splicing result in numerous distinct transcript variants and protein isoforms for this gene. [provided by RefSeq, Dec 2016]

DMD Gene-Disease associations (from GenCC):

Becker muscular dystrophy
Inheritance: XL Classification: DEFINITIVE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet
dilated cardiomyopathy 3B
Inheritance: XL Classification: DEFINITIVE Submitted by: Ambry Genetics
Duchenne and Becker muscular dystrophy
Inheritance: XL Classification: DEFINITIVE Submitted by: Myriad Women’s Health
Duchenne muscular dystrophy
Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P, Orphanet
progressive muscular dystrophy
Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
non-syndromic X-linked intellectual disability
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet
symptomatic form of muscular dystrophy of Duchenne and Becker in female carriers
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet

DMD links:

ENSG00000297249 (HGNC:):

ENSG00000297249 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 9 ACMG points.

PVS1

Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.

PP5

Variant X-31177947-C-T is Pathogenic according to our data. Variant chrX-31177947-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 374132.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DMD	NM_004006.3 link	c.10247G>A	p.Trp3416*	stop_gained	Exon 71 of 79	ENST00000357033.9	NP_003997.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DMD	ENST00000357033.9 link	c.10247G>A	p.Trp3416*	stop_gained	Exon 71 of 79	1	NM_004006.3	ENSP00000354923.3

Frequencies

GnomAD3 genomes

AF:

0.0000360

AC:

AN:

110979

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000655

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000282

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000189

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000223

AC:

AN:

179286

AF XY:

0.0000155

show subpopulations

Gnomad AFR exome

AF:

0.000156

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:

0.0000250

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000183

AC:

AN:

1095176

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

360836

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26362

American (AMR)

AF:

0.00

AC:

AN:

35061

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19351

East Asian (EAS)

AF:

0.00

AC:

AN:

30160

South Asian (SAS)

AF:

0.00

AC:

AN:

53481

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40413

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4132

European-Non Finnish (NFE)

AF:

0.00000238

AC:

AN:

840190

Other (OTH)

AF:

0.00

AC:

AN:

46026

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.0000360

AC:

AN:

110979

Hom.:

Cov.:

AF XY:

0.0000300

AC XY:

AN XY:

33301

show subpopulations

African (AFR)

AF:

0.0000655

AC:

AN:

30533

American (AMR)

AF:

0.00

AC:

AN:

10424

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2645

East Asian (EAS)

AF:

0.000282

AC:

AN:

3540

South Asian (SAS)

AF:

0.00

AC:

AN:

2630

European-Finnish (FIN)

AF:

0.00

AC:

AN:

5924

Middle Eastern (MID)

AF:

0.00

AC:

AN:

238

European-Non Finnish (NFE)

AF:

0.0000189

AC:

AN:

52879

Other (OTH)

AF:

0.00

AC:

AN:

1479

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<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:

0.000170

Hom.:

Bravo

AF:

0.0000529

ESP6500AA

AF:

0.000522

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000330

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Pathogenic:7Uncertain:4Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Pathogenic:1Uncertain:3

Jul 10, 2025

GeneDx

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Reported as a heterozygous variant in a patient with atherosclerosis in published literature (PMID: 26046366); 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; Based on the understanding of this genetic alteration, it may be amenable to nonsense read-through therapy that is currently available or in clinical trial; This variant is associated with the following publications: (PMID: 26046366)

Mar 21, 2024

Athena Diagnostics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Dec 29, 2022

Revvity Omics, Revvity

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Oct 17, 2022

Greenwood Genetic Center Diagnostic Laboratories, Greenwood Genetic Center

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

PP3

Duchenne muscular dystrophy

Pathogenic:1Benign:1

Jun 01, 2025

Department of Human Genetics, Gilbert and Rose-marie Chagoury School of Medicine, Lebanese American University

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

Five Lebanese families were studied, and several asymptomatic male individuals over the age of 65 were identified as carriers of the variant. These aged carriers remain clinically healthy, with no signs of muscle weakness or cardiac involvement, further supporting the notion of a mild or non-pathogenic effect of the variant.

Feb 03, 2025

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.Trp3416*) in the DMD gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in DMD are known to be pathogenic (PMID: 16770791, 25007885). In addition, truncating variants in exon 71 (p.Pro3409Tyr*22, p.Thr3411Asn*22, and p.Leu3412Argfs*7) that result in partial in-frame exon skipping have been observed in individuals with clinical features of mild Becker muscular dystrophy (PMID: 17041906, 23536893). This variant is present in population databases (rs201217593, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with DMD-related conditions. ClinVar contains an entry for this variant (Variation ID: 374132). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.

Neuromuscular disease caused by qualitative or quantitative defects of dystrophin

Pathogenic:1

Aug 07, 2023

Women's Health and Genetics/Laboratory Corporation of America, LabCorp

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Variant summary: DMD c.10247G>A (p.Trp3416X) results in a premature termination codon, predicted to cause an absence of the protein due to nonsense mediated decay, which is a commonly known mechanism for disease. The variant allele was found at a frequency of 2.2e-05 in 179286 control chromosomes (gnomAD) to include at-least one hemizygous individual with an unknown clinical history. To our knowledge, c.10247G>A has not been reported in the literature in individuals affected with Dystrophinopathies and no experimental evidence demonstrating an impact on protein function has been reported. However, it has been reported in at-least one individual with a negative personal/family history for muscle disease as part of the ClinSeq cohort that were selected for atherosclerosis but not for personal or family histories of any other phenotype (Johnston_2015). The following publication have been ascertained in the context of this evaluation (PMID: 26046366). Seven submitters have cited clinical-significance assessments for this variant to ClinVar after 2014 and classified the variant as VUS (n=3) and pathogenic/likely pathogenic (n= 4). Based on the evidence outlined above, the variant was classified as likely pathogenic.

Becker muscular dystrophy

Pathogenic:1

Nov 21, 2023

Baylor Genetics

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Ptosis;C0015300:Proptosis;C0878544:Cardiomyopathy;C1850049:Clinodactyly of the 5th finger;C2051831:Pectus excavatum

Pathogenic:1

Oct 03, 2014

Centre for Mendelian Genomics, University Medical Centre Ljubljana

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Duchenne muscular dystrophy;C0917713:Becker muscular dystrophy;C3668940:Dilated cardiomyopathy 3B

Pathogenic:1

Oct 31, 2018

Fulgent Genetics, Fulgent Genetics

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Cardiovascular phenotype

Pathogenic:1

Aug 08, 2024

Ambry Genetics

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.W3416* pathogenic mutation (also known as c.10247G>A), located in coding exon 71 of the DMD gene, results from a G to A substitution at nucleotide position 10247. This changes the amino acid from a tryptophan to a stop codon within coding exon 71. This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.

not specified

Uncertain:1

May 04, 2022

Mendelics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.44

BayesDel_noAF

Pathogenic

0.65

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.0

.;.;.;.;.;.;.;.;.;.

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.0

.;.;.;.;.;.;.;.;.;.

MetaRNN

Benign

0.0

.;.;.;.;.;.;.;.;.;.

MutationAssessor

Benign

0.0

.;.;.;.;.;.;.;.;.;.

PhyloP100

7.3

PROVEAN

Benign

0.0

.;.;.;.;.;.;.;.;.;.

REVEL

Benign

0.0

Sift

Pathogenic

0.0

.;.;.;.;.;.;.;.;.;.

Sift4G

Pathogenic

0.0

.;.;.;.;.;.;.;.;.;.

Vest4

0.96

GERP RS

4.9

PromoterAI

-0.013

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=0/200

disease causing (ClinVar)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.12

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over