8-141168409-AG-A

Position:

• chr8-141168409-AG-A

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2 PP5

The NM_001352890.3(DENND3):​c.2160delG​(p.Lys720fs) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Likely pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 32)
• Consequence: DENND3 NM_001352890.3 frameshift
• Clinical Significance: Likely pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 0.0600

Genes affected

DENND3 (HGNC:29134): (DENN domain containing 3) Enables guanyl-nucleotide exchange factor activity. Predicted to be involved in cellular protein catabolic process; endosome to lysosome transport; and regulation of Rab protein signal transduction. Predicted to be located in cytosol. Predicted to be active in cytoplasmic vesicle. [provided by Alliance of Genome Resources, Apr 2022]

DENND3 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 8-141168409-AG-A is Pathogenic according to our data. Variant chr8-141168409-AG-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 375278.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DENND3	NM_001352890.3	c.2160delG	p.Lys720fs	frameshift_variant	13/23	ENST00000519811.6	NP_001339819.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DENND3	ENST00000519811.6	c.2160delG	p.Lys720fs	frameshift_variant	13/23	5	NM_001352890.3	ENSP00000428714.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Significance: Likely pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Hirschsprung disease, susceptibility to, 1 Pathogenic:1

Likely pathogenic, no assertion criteria provided

in vivo

Centre for Genomic Sciences, University of Hong Kong

Sep 26, 2016

Frameshift deletion -

Computational scores

Source: dbNSFP v4.3

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: rs1057519052; hg19: chr8-142178508;