NM_005477.3(HCN4):c.3541_3544del (p.Thr1181fs) AND Brugada syndrome 8

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 4, 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:: RCV002812163.3

Allele description [Variation Report for NM_005477.3(HCN4):c.3541_3544del (p.Thr1181fs)]

NM_005477.3(HCN4):c.3541_3544del (p.Thr1181fs)

Gene:

HCN4:hyperpolarization activated cyclic nucleotide gated potassium channel 4 [Gene - OMIM - HGNC]

Variant type:

Deletion

Cytogenetic location:

15q24.1

Genomic location:

Preferred name:

NM_005477.3(HCN4):c.3541_3544del (p.Thr1181fs)

HGVS:

NC_000015.10:g.73322552_73322555del
NG_009063.1:g.51713_51716del
NM_005477.3:c.3541_3544delMANE SELECT
NP_005468.1:p.Thr1181fs
NC_000015.9:g.73614890_73614893del
NC_000015.9:g.73614893_73614896del

Protein change:

T1181fs

Molecular consequence:

NM_005477.3:c.3541_3544del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:: Brugada syndrome 8 (BRGDA8)
Identifiers:: MONDO: MONDO:0013148; MedGen: C2751083; Orphanet: 130; OMIM: 613123

Recent activity

Clear Turn Off Turn On

Homo sapiens POT1 antisense RNA 1 (POT1-AS1), transcript variant 1, long non-cod...
Homo sapiens POT1 antisense RNA 1 (POT1-AS1), transcript variant 1, long non-coding RNA
gi|669250897|ref|NR_125718.1|

Nucleotide

Your browsing activity is empty.

Activity recording is turned off.

Turn recording back on

Help

Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003208244	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Dec 4, 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

SCV003208244

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Dec 4, 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, SCV003208244.2

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

Description

This sequence change results in a frameshift in the HCN4 gene (p.Thr1181Leufs*47). While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 23 amino acid(s) of the HCN4 protein and extend the protein by 23 additional amino acid residues. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with HCN4-related conditions. ClinVar contains an entry for this variant (Variation ID: 2007517). Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. 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

Last Updated: Sep 29, 2024

ClinVar

Relating variation to medicine