chr18-53386097-G-A

Variant names:

• chr18-53386097-G-A
• rs1057519055
• NM_005215.4:c.2414G>A

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2 PP3_Strong PP5

The NM_005215.4(DCC):​c.2414G>A​(p.Gly805Glu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: DCC NM_005215.4 missense
• Clinical Significance: Pathogenic no assertion criteria provided P:2
• Conservation: PhyloP100: 9.69
• Publications: 8 publications found

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 Gene-Disease associations (from GenCC):

• mirror movements 1

  Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Illumina, Ambry Genetics
• mirror movements 1 and/or agenesis of the corpus callosum

  Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
• gaze palsy, familial horizontal, with progressive scoliosis, 2

  Inheritance: AR Classification: STRONG, LIMITED Submitted by: G2P, Ambry Genetics
• connective tissue disorder

  Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp
• familial congenital mirror movements

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• Kallmann syndrome

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• colorectal cancer

  Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)
• esophageal cancer

  Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.973
• PP5: Variant 18-53386097-G-A is Pathogenic according to our data. Variant chr18-53386097-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 375283.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005215.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DCC	NM_005215.4	MANE Select	c.2414G>A	p.Gly805Glu	missense	Exon 16 of 29	NP_005206.2

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DCC	ENST00000442544.7	TSL:1 MANE Select	c.2414G>A	p.Gly805Glu	missense	Exon 16 of 29	ENSP00000389140.2
	DCC	ENST00000581580.5	TSL:1	c.1379G>A	p.Gly460Glu	missense	Exon 13 of 27	ENSP00000464582.1
	DCC	ENST00000304775.12	TSL:1	n.2213G>A		non_coding_transcript_exon	Exon 15 of 19	ENSP00000304146.8

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:2

Revision: no assertion criteria provided

Submissions by phenotype

Mirror movements 1 Pathogenic:1

Jul 03, 2017

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

Corpus callosum, agenesis of Pathogenic:1

Jan 01, 2016

Neurogenetics Research; Murdoch Childrens Research Institute

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: research

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.98
BayesDel_addAF	Pathogenic	0.36	D
BayesDel_noAF	Pathogenic	0.29
CADD	Pathogenic	28
DANN	Uncertain	0.98
DEOGEN2	Uncertain	0.51	D
Eigen	Pathogenic	1.1
Eigen_PC	Pathogenic	1.1
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	1.0	D
M_CAP	Uncertain	0.27	D
MetaRNN	Pathogenic	0.97	D
MetaSVM	Uncertain	0.40	D
MutationAssessor	Pathogenic	3.1	M
PhyloP100		9.7
PrimateAI	Pathogenic	0.83	D
PROVEAN	Pathogenic	-7.2	D
REVEL	Pathogenic	0.78
Sift	Pathogenic	0.0	D
Sift4G	Uncertain	0.0030	D
Polyphen		1.0	D
Vest4		0.88
MutPred		0.85		Gain of disorder (P = 0.0846)
MVP		0.89
MPC		0.84
ClinPred		1.0	D
GERP RS		6.2
Varity_R		0.98
gMVP		0.84
Mutation Taster		=7/93	disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs1057519055; hg19: chr18-50912467; COSMIC: COSV100498925;