NM_004360.5(CDH1):c.832G>A (p.Gly278Arg) AND Hereditary diffuse gastric adenocarcinoma

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: Jul 19, 2022
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV002036184.4

Allele description [Variation Report for NM_004360.5(CDH1):c.832G>A (p.Gly278Arg)]

NM_004360.5(CDH1):c.832G>A (p.Gly278Arg)

Gene:

CDH1:cadherin 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

16q22.1

Genomic location:

Preferred name:

NM_004360.5(CDH1):c.832G>A (p.Gly278Arg)

HGVS:

NC_000016.10:g.68810341G>A
NG_008021.1:g.78050G>A
NM_001317184.2:c.832G>A
NM_001317185.2:c.-784G>A
NM_001317186.2:c.-988G>A
NM_004360.5:c.832G>AMANE SELECT
NP_001304113.1:p.Gly278Arg
NP_004351.1:p.Gly278Arg
LRG_301:g.78050G>A
NC_000016.9:g.68844244G>A

Protein change:

G278R

Links:

dbSNP: rs943875725

NCBI 1000 Genomes Browser:

rs943875725

Molecular consequence:

NM_001317185.2:c.-784G>A - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001317186.2:c.-988G>A - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001317184.2:c.832G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_004360.5:c.832G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary diffuse gastric adenocarcinoma (HDGC)
Synonyms:: Hereditary diffuse gastric cancer
Identifiers:: MONDO: MONDO:0007648; MedGen: C1708349; Orphanet: 26106; OMIM: 137215

Recent activity

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Homo sapiens nucleolar and coiled-body phosphoprotein 1 (NOLC1), mRNA
Homo sapiens nucleolar and coiled-body phosphoprotein 1 (NOLC1), mRNA
gi|4758859|ref|NM_004741.1|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002315853	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Likely pathogenic (Jul 19, 2022)	germline	clinical testing	PubMed (4) [See all records that cite these PMIDs] 17576681, 9536098, 11968083, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002315853

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Likely pathogenic
(Jul 19, 2022)

germline

clinical testing

PubMed (4)
[See all records that cite these PMIDs]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Aberrant 5' splice sites in human disease genes: mutation pattern, nucleotide structure and comparison of computational tools that predict their utilization.

Buratti E, Chivers M, Královicová J, Romano M, Baralle M, Krainer AR, Vorechovsky I.

Nucleic Acids Res. 2007;35(13):4250-63. Epub 2007 Jun 18.

PubMed [citation]

PMID:: 17576681
PMCID:: PMC1934990

Statistical features of human exons and their flanking regions.

Zhang MQ.

Hum Mol Genet. 1998 May;7(5):919-32.

PubMed [citation]

PMID:: 9536098

See all PubMed Citations (4)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002315853.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (4)

Description

This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 278 of the CDH1 protein (p.Gly278Arg). This variant also falls at the last nucleotide of exon 6, which is part of the consensus splice site for this exon. This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with hereditary diffuse gastric cancer (PMID: 11968083). It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 1522673). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C15"). Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Studies have shown that this missense change is associated with altered splicing resulting in unknown protein product impact (PMID: 11968083; Invitae). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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