NM_004360.5(CDH1):c.227A>G (p.Lys76Arg) AND Hereditary diffuse gastric adenocarcinoma

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Sep 1, 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:: RCV002038115.4

Allele description [Variation Report for NM_004360.5(CDH1):c.227A>G (p.Lys76Arg)]

NM_004360.5(CDH1):c.227A>G (p.Lys76Arg)

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.227A>G (p.Lys76Arg)

HGVS:

NC_000016.10:g.68801733A>G
NG_008021.1:g.69442A>G
NM_001317184.2:c.227A>G
NM_001317185.2:c.-1389A>G
NM_001317186.2:c.-1593A>G
NM_004360.5:c.227A>GMANE SELECT
NP_001304113.1:p.Lys76Arg
NP_004351.1:p.Lys76Arg
LRG_301:g.69442A>G
NC_000016.9:g.68835636A>G

Protein change:

K76R

Links:

dbSNP: rs1597884664

NCBI 1000 Genomes Browser:

rs1597884664

Molecular consequence:

NM_001317185.2:c.-1389A>G - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001317186.2:c.-1593A>G - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001317184.2:c.227A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_004360.5:c.227A>G - 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

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Chain A, Ligand-gated ion channel
Chain A, Ligand-gated ion channel
gi|295321904|pdb|3LSV|A

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002273022	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Sep 1, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002273022

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Sep 1, 2022)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

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

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002273022.3

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

Description

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The arginine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 1484625). This variant has not been reported in the literature in individuals affected with CDH1-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces lysine, which is basic and polar, with arginine, which is basic and polar, at codon 76 of the CDH1 protein (p.Lys76Arg).

#	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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