Genetic Variant DZIP1L:p.Glu354fs (chr3-138086960-CCT-C) – ACMG Classification: Pathogenic (13 pts)

Variant summary

Our verdict is Pathogenic. The variant received 13 ACMG points: 13P and 0B. PVS1PM2PP3_ModeratePP5

The NM_173543.3(DZIP1L):c.1061_1062delAG(p.Glu354fs) variant causes a frameshift, splice region change. The variant was absent in control chromosomes in GnomAD project. 1/1 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

DZIP1L
NM_173543.3 frameshift, splice_region

Scores

Not classified

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 4.09

Publications

2 publications found

Variant links:

Genes affected

DZIP1L (HGNC:26551): (DAZ interacting zinc finger protein 1 like) Predicted to enable metal ion binding activity. Involved in cilium assembly and regulation of protein localization. Located in ciliary basal body. Colocalizes with centriole. Implicated in polycystic kidney disease 5. [provided by Alliance of Genome Resources, Apr 2022]

DZIP1L Gene-Disease associations (from GenCC):

autosomal recessive polycystic kidney disease
Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
polycystic kidney disease 5
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics

DZIP1L links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 13 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;

PP3

Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

PP5

Variant 3-138086960-CCT-C is Pathogenic according to our data. Variant chr3-138086960-CCT-C is described in ClinVar as Pathogenic. ClinVar VariationId is 431434.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DZIP1L	NM_173543.3 link	c.1061_1062delAG	p.Glu354fs	frameshift_variant, splice_region_variant	Exon 7 of 16	ENST00000327532.7	NP_775814.2	Q8IYY4-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
DZIP1L	ENST00000327532.7 link	c.1061_1062delAG	p.Glu354fs	frameshift_variant, splice_region_variant	Exon 7 of 16	1	NM_173543.3	ENSP00000332148.2	Q8IYY4-1
DZIP1L	ENST00000469243.5 link	c.1061_1062delAG	p.Glu354fs	frameshift_variant, splice_region_variant	Exon 8 of 14	2		ENSP00000419486.1	Q8IYY4-2
DZIP1L	ENST00000488595.1 link	n.274_275delAG		splice_region_variant, non_coding_transcript_exon_variant	Exon 3 of 7	4
DZIP1L	ENST00000473850.1 link	n.12_13delAG		downstream_gene_variant		3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00000137

AC:

AN:

1461454

Hom.:

AF XY:

0.00000138

AC XY:

AN XY:

727042

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33432

American (AMR)

AF:

0.0000448

AC:

AN:

44624

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26122

East Asian (EAS)

AF:

0.00

AC:

AN:

39662

South Asian (SAS)

AF:

0.00

AC:

AN:

86186

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111880

Other (OTH)

AF:

0.00

AC:

AN:

60366

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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

Cov.:

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

Polycystic kidney disease 5

Pathogenic:1

Aug 07, 2017

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

4.1

Mutation Taster

=6/194

disease causing (ClinVar)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.97

Details are displayed if max score is > 0.2

DS_DG_spliceai

0.97

Position offset: 3

DS_DL_spliceai

0.97

Position offset: 1

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