18-52906200-T-TG

Position:

• chr18-52906200-T-TG

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PVS1 PM2 PP5

The NM_005215.4(DCC):​c.571dupG​(p.Val191fs) 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 Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 33)
• Consequence: DCC NM_005215.4 frameshift
• Clinical Significance: Pathogenic no assertion criteria provided P:1 O:1
• Conservation: PhyloP100: 0.331

Genes affected

DCC (HGNC:2701): (DCC netrin 1 receptor) This gene encodes a netrin 1 receptor. The transmembrane protein is a member of the immunoglobulin superfamily of cell adhesion molecules, and mediates axon guidance of neuronal growth cones towards sources of netrin 1 ligand. The cytoplasmic tail interacts with the tyrosine kinases Src and focal adhesion kinase (FAK, also known as PTK2) to mediate axon attraction. The protein partially localizes to lipid rafts, and induces apoptosis in the absence of ligand. The protein functions as a tumor suppressor, and is frequently mutated or downregulated in colorectal cancer and esophageal carcinoma. [provided by RefSeq, Oct 2009]

DCC (HGNC:):

ACMG classification

Verdict is Pathogenic. Variant got 11 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 18-52906200-T-TG is Pathogenic according to our data. Variant chr18-52906200-T-TG is described in ClinVar as [Pathogenic]. Clinvar id is 187795.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DCC	NM_005215.4	c.571dupG	p.Val191fs	frameshift_variant	3/29	ENST00000442544.7	NP_005206.2
DCC	XM_017025568.2	c.571dupG	p.Val191fs	frameshift_variant	3/29		XP_016881057.1
DCC	XM_017025569.2	c.571dupG	p.Val191fs	frameshift_variant	3/29		XP_016881058.1
DCC	XM_047437311.1	c.571dupG	p.Val191fs	frameshift_variant	3/29		XP_047293267.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DCC	ENST00000442544.7	c.571dupG	p.Val191fs	frameshift_variant	3/29	1	NM_005215.4	ENSP00000389140.2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1 Other:1

Revision: no assertion criteria provided

Submissions by phenotype

Mirror movements 1 Pathogenic:1 Other:1

Pathogenic, no assertion criteria provided	literature only	OMIM	Apr 30, 2010	- -
not provided, no classification provided	literature only	GeneReviews	-	- -

Computational scores

Source: dbNSFP v4.3

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		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: rs797044552; hg19: chr18-50432570;