17-56844157-CAAAA-CAAAAA

Variant names:

Variant summary

Our verdict is Pathogenic. The variant received 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong

The NM_003647.3(DGKE):c.610dupA(p.Thr204AsnfsTer4) variant causes a frameshift change. The variant allele was found at a frequency of 0.0000072 in 1,528,354 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (★★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000073 ( 0 hom. )

Consequence

DGKE
NM_003647.3 frameshift

Scores

Not classified

Clinical Significance

Pathogenic criteria provided, multiple submitters, no conflicts P:4

Conservation

PhyloP100: 4.49

Publications

3 publications found

Variant links:

Genes affected

DGKE (HGNC:2852): (diacylglycerol kinase epsilon) Diacylglycerol kinases are thought to be involved mainly in the regeneration of phosphatidylinositol (PI) from diacylglycerol in the PI-cycle during cell signal transduction. When expressed in mammalian cells, DGK-epsilon shows specificity for arachidonyl-containing diacylglycerol. DGK-epsilon is expressed predominantly in testis. [provided by RefSeq, Jul 2008]

DGKE links:

TRIM25 (HGNC:12932): (tripartite motif containing 25) The protein encoded by this gene is a member of the tripartite motif (TRIM) family. The TRIM motif includes three zinc-binding domains, a RING, a B-box type 1 and a B-box type 2, and a coiled-coil region. The protein is an RNA binding protein, functions as a ubiquitin E3 ligase and is involved in multiple cellular processes, including regulation of antiviral innate immunity. [provided by RefSeq, Sep 2021]

TRIM25 links:

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ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 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 17-56844157-C-CA is Pathogenic according to our data. Variant chr17-56844157-C-CA is described in ClinVar as Pathogenic. ClinVar VariationId is 635454.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
DGKE	NM_003647.3 link	c.610dupA	p.Thr204AsnfsTer4	frameshift_variant	Exon 3 of 12	ENST00000284061.8	NP_003638.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DGKE	ENST00000284061.8 link	c.610dupA	p.Thr204AsnfsTer4	frameshift_variant	Exon 3 of 12	1	NM_003647.3	ENSP00000284061.3

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

151888

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000215

AC:

AN:

186148

AF XY:

0.00000975

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000603

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000502

Gnomad NFE exome

AF:

0.0000215

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000726

AC:

AN:

1376466

Hom.:

Cov.:

AF XY:

0.00000732

AC XY:

AN XY:

682816

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000349

AC:

AN:

28652

American (AMR)

AF:

0.0000375

AC:

AN:

26700

Ashkenazi Jewish (ASJ)

AF:

0.0000432

AC:

AN:

23174

East Asian (EAS)

AF:

0.0000278

AC:

AN:

35984

South Asian (SAS)

AF:

0.00

AC:

AN:

74680

European-Finnish (FIN)

AF:

0.0000192

AC:

AN:

52202

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5306

European-Non Finnish (NFE)

AF:

0.00000373

AC:

AN:

1073140

Other (OTH)

AF:

0.0000177

AC:

AN:

56628

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.00529839), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.390

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:

0.00000658

AC:

AN:

151888

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74162

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41326

American (AMR)

AF:

0.00

AC:

AN:

15260

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4814

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10550

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67946

Other (OTH)

AF:

0.00

AC:

AN:

2092

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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Immunoglobulin-mediated membranoproliferative glomerulonephritis

Pathogenic:2

May 05, 2022

Fulgent Genetics, Fulgent Genetics

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Dec 03, 2018

Bioscientia Institut fuer Medizinische Diagnostik GmbH, Sonic Healthcare

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

not provided

Pathogenic:1

Dec 03, 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.Thr204Asnfs*4) in the DGKE gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in DGKE are known to be pathogenic (PMID: 23274426, 23542698). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This premature translational stop signal has been observed in individual(s) with DGKE-related conditions (PMID: 25443527, 28526779). This variant is also known as c.790_791insA. ClinVar contains an entry for this variant (Variation ID: 635454). 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. -

Atypical hemolytic-uremic syndrome

Pathogenic:1

Jul 04, 2022

Genome Diagnostics Laboratory, The Hospital for Sick Children

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

4.5

Mutation Taster

=0/200

disease causing (ClinVar)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over