NM_004360.5(CDH1):c.2420T>C (p.Ile807Thr) AND Hereditary diffuse gastric adenocarcinoma

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jan 10, 2021
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:: RCV001048530.8

Allele description [Variation Report for NM_004360.5(CDH1):c.2420T>C (p.Ile807Thr)]

NM_004360.5(CDH1):c.2420T>C (p.Ile807Thr)

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.2420T>C (p.Ile807Thr)

HGVS:

NC_000016.10:g.68829778T>C
NG_008021.1:g.97487T>C
NM_001317184.2:c.2237T>C
NM_001317185.2:c.872T>C
NM_001317186.2:c.455T>C
NM_004360.5:c.2420T>CMANE SELECT
NP_001304113.1:p.Ile746Thr
NP_001304114.1:p.Ile291Thr
NP_001304115.1:p.Ile152Thr
NP_004351.1:p.Ile807Thr
LRG_301t1:c.2420T>C
LRG_301:g.97487T>C
NC_000016.9:g.68863681T>C
NM_004360.3:c.2420T>C

Protein change:

I152T

Links:

dbSNP: rs1961433736

NCBI 1000 Genomes Browser:

rs1961433736

Molecular consequence:

NM_001317184.2:c.2237T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001317185.2:c.872T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001317186.2:c.455T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_004360.5:c.2420T>C - 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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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001212541	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 10, 2021)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 30287823, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001212541

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 10, 2021)

germline

clinical testing

PubMed (2)
[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

Germline pathogenic variants of 11 breast cancer genes in 7,051 Japanese patients and 11,241 controls.

Momozawa Y, Iwasaki Y, Parsons MT, Kamatani Y, Takahashi A, Tamura C, Katagiri T, Yoshida T, Nakamura S, Sugano K, Miki Y, Hirata M, Matsuda K, Spurdle AB, Kubo M.

Nat Commun. 2018 Oct 4;9(1):4083. doi: 10.1038/s41467-018-06581-8.

PubMed [citation]

PMID:: 30287823
PMCID:: PMC6172276

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, SCV001212541.5

#	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 isoleucine with threonine at codon 807 of the CDH1 protein (p.Ile807Thr). The isoleucine residue is highly conserved and there is a moderate physicochemical difference between isoleucine and threonine. 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 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: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has been observed in individual(s) with breast cancer (PMID: 30287823). This variant is not present in population databases (ExAC no frequency).

#	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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