NM_004360.5(CDH1):c.2359G>A (p.Val787Ile) AND Hereditary diffuse gastric adenocarcinoma

Germline classification:: Uncertain significance (4 submissions)
Last evaluated:: Oct 8, 2023
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000168317.12

Allele description [Variation Report for NM_004360.5(CDH1):c.2359G>A (p.Val787Ile)]

NM_004360.5(CDH1):c.2359G>A (p.Val787Ile)

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.2359G>A (p.Val787Ile)

HGVS:

NC_000016.10:g.68829717G>A
NG_008021.1:g.97426G>A
NM_001317184.2:c.2176G>A
NM_001317185.2:c.811G>A
NM_001317186.2:c.394G>A
NM_004360.5:c.2359G>AMANE SELECT
NP_001304113.1:p.Val726Ile
NP_001304114.1:p.Val271Ile
NP_001304115.1:p.Val132Ile
NP_004351.1:p.Val787Ile
LRG_301t1:c.2359G>A
LRG_301:g.97426G>A
NC_000016.9:g.68863620G>A
NM_004360.3:c.2359G>A
NM_004360.4:c.2359G>A
p.V787I

Protein change:

V132I

Links:

dbSNP: rs766270336

NCBI 1000 Genomes Browser:

rs766270336

Molecular consequence:

NM_001317184.2:c.2176G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001317185.2:c.811G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001317186.2:c.394G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_004360.5:c.2359G>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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endoplasmic reticulum transmembrane helix translocase [Homo sapiens]
endoplasmic reticulum transmembrane helix translocase [Homo sapiens]
gi|170016077|ref|NP_065143.2|

Protein
abl interactor 2 isoform c [Homo sapiens]
abl interactor 2 isoform c [Homo sapiens]
gi|109689723|ref|NP_005750.4|

Protein

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000219002	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 8, 2023)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 29263802, 28492532
SCV000785917	Counsyl	criteria provided, single submitter (Counsyl Autosomal Dominant Disease Classification criteria (2015))	Uncertain significance (Jan 10, 2018)	unknown	clinical testing	PubMed (1) [See all records that cite this PMID] Counsyl_Autosomal_Dominant_Disease_Classification_criteria_(2015)_v1.pdf, Citation Link,
SCV001140151	Mendelics	criteria provided, single submitter (Mendelics Assertion Criteria 2017)	Uncertain significance (May 28, 2019)	unknown	clinical testing	Citation Link,
SCV004019548	Myriad Genetics, Inc.	criteria provided, single submitter (Myriad Autosomal Dominant, Autosomal Recessive and X-Linked Classification Criteria (2023))	Uncertain significance (Mar 3, 2023)	unknown	clinical testing	Citation Link

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
not provided	unknown	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

Inherited breast cancer predisposition in Asians: multigene panel testing outcomes from Singapore.

Wong ESY, Shekar S, Met-Domestici M, Chan C, Sze M, Yap YS, Rozen SG, Tan MH, Ang P, Ngeow J, Lee ASG.

NPJ Genom Med. 2016;1:15003. doi: 10.1038/npjgenmed.2015.3.

PubMed [citation]

PMID:: 29263802
PMCID:: PMC5685290

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000219002.10

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (2)

Description

This sequence change replaces valine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 787 of the CDH1 protein (p.Val787Ile). This variant is present in population databases (rs766270336, gnomAD 0.009%). This missense change has been observed in individual(s) with breast cancer (PMID: 29263802). ClinVar contains an entry for this variant (Variation ID: 186394). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. 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.

#	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

From Counsyl, SCV000785917.2

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

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

From Mendelics, SCV001140151.1

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

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

From Myriad Genetics, Inc., SCV004019548.1

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

Description

This variant is classified as a variant of uncertain significance as there is insufficient evidence to determine its impact on protein function and/or cancer risk.

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

Last Updated: Oct 26, 2024

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