NM_000371.4(TTR):c.71G>A (p.Gly24Asp) AND Cardiovascular phenotype

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jul 16, 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:: RCV002370850.2

Allele description [Variation Report for NM_000371.4(TTR):c.71G>A (p.Gly24Asp)]

NM_000371.4(TTR):c.71G>A (p.Gly24Asp)

Gene:

TTR:transthyretin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

18q12.1

Genomic location:

Preferred name:

NM_000371.4(TTR):c.71G>A (p.Gly24Asp)

HGVS:

NC_000018.10:g.31592897G>A
NG_009490.1:g.6131G>A
NM_000371.4:c.71G>AMANE SELECT
NP_000362.1:p.Gly24Asp
NP_000362.1:p.Gly24Asp
LRG_416t1:c.71G>A
LRG_416:g.6131G>A
LRG_416p1:p.Gly24Asp
NC_000018.9:g.29172860G>A
NM_000371.3:c.71G>A

Protein change:

G24D

Molecular consequence:

NM_000371.4:c.71G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Cardiovascular phenotype
Identifiers:: MedGen: CN230736

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002672350	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Jul 16, 2021)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002672350

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Jul 16, 2021)

germline

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

Details of each submission

From Ambry Genetics, SCV002672350.2

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

Description

The p.G24D variant (also known as c.71G>A), located in coding exon 2 of the TTR gene, results from a G to A substitution at nucleotide position 71. The glycine at codon 24 is replaced by aspartic acid, an amino acid with similar properties. This amino acid position is well conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	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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