NM_006440.5(TXNRD2):c.26G>C (p.Arg9Pro) AND Primary dilated cardiomyopathy

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jan 15, 2023
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:: RCV003619802.2

Allele description [Variation Report for NM_006440.5(TXNRD2):c.26G>C (p.Arg9Pro)]

NM_006440.5(TXNRD2):c.26G>C (p.Arg9Pro)

Genes:

COMT:catechol-O-methyltransferase [Gene - OMIM - HGNC]
TXNRD2:thioredoxin reductase 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

22q11.21

Genomic location:

Preferred name:

NM_006440.5(TXNRD2):c.26G>C (p.Arg9Pro)

HGVS:

NC_000022.11:g.19941778C>G
NG_011526.1:g.5039C>G
NG_011835.1:g.5059G>C
NG_201375.1:g.289C>G
NG_201376.1:g.49C>G
NM_000754.4:c.-211C>GMANE SELECT
NM_001282512.3:c.26G>C
NM_001352300.2:c.26G>C
NM_001362828.2:c.-505C>G
NM_006440.5:c.26G>CMANE SELECT
NP_001269441.1:p.Arg9Pro
NP_001339229.1:p.Arg9Pro
NP_006431.2:p.Arg9Pro
NP_006431.2:p.Arg9Pro
LRG_1010t1:c.-211C>G
LRG_417t1:c.26G>C
LRG_1010:g.5039C>G
LRG_417:g.5059G>C
LRG_417p1:p.Arg9Pro
NC_000022.10:g.19929301C>G
NM_000754.3:c.-211C>G
NM_006440.3:c.26G>C
NR_147957.2:n.41G>C

Protein change:

R9P

Molecular consequence:

NM_000754.4:c.-211C>G - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001362828.2:c.-505C>G - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001282512.3:c.26G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001352300.2:c.26G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_006440.5:c.26G>C - missense variant - [Sequence Ontology: SO:0001583]
NR_147957.2:n.41G>C - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:: Primary dilated cardiomyopathy (DCM)
Synonyms:: Dilated Cardiomyopathy
Identifiers:: EFO: EFO_0000407; MONDO: MONDO:0005021; MeSH: D002311; MedGen: C0007193; Human Phenotype Ontology: HP:0001644

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004551034	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 15, 2023)	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

SCV004551034

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 15, 2023)

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, SCV004551034.1

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

Description

This variant is present in population databases (no rsID available, gnomAD 0.001%). This sequence change replaces arginine, which is basic and polar, with proline, which is neutral and non-polar, at codon 9 of the TXNRD2 protein (p.Arg9Pro). This variant has not been reported in the literature in individuals affected with TXNRD2-related conditions. 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 (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. ClinVar contains an entry for this variant (Variation ID: 1794907).

#	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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