NM_152296.5(ATP1A3):c.2921+1G>C AND Dystonia 12

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: Nov 1, 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:: RCV001300685.5

Allele description [Variation Report for NM_152296.5(ATP1A3):c.2921+1G>C]

NM_152296.5(ATP1A3):c.2921+1G>C

Gene:

ATP1A3:ATPase Na+/K+ transporting subunit alpha 3 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

19q13.2

Genomic location:

Preferred name:

NM_152296.5(ATP1A3):c.2921+1G>C

HGVS:

NC_000019.10:g.41967661C>G
NG_008015.1:g.31570G>C
NM_001256213.2:c.2954+1G>C
NM_001256214.2:c.2960+1G>C
NM_152296.5:c.2921+1G>CMANE SELECT
LRG_1186t1:c.2921+1G>C
LRG_1186:g.31570G>C
NC_000019.9:g.42471813C>G

Links:

dbSNP: rs2075058462

NCBI 1000 Genomes Browser:

rs2075058462

Molecular consequence:

NM_001256213.2:c.2954+1G>C - splice donor variant - [Sequence Ontology: SO:0001575]
NM_001256214.2:c.2960+1G>C - splice donor variant - [Sequence Ontology: SO:0001575]
NM_152296.5:c.2921+1G>C - splice donor variant - [Sequence Ontology: SO:0001575]

Condition(s)

Name:: Dystonia 12 (DYT12)
Synonyms:: DYT-ATP1A3; Rapid-Onset Dystonia-Parkinsonism
Identifiers:: MONDO: MONDO:0007496; MedGen: C1868681; Orphanet: 71517; OMIM: 128235

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001489834	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Likely pathogenic (Nov 1, 2021)	germline	clinical testing	PubMed (4) [See all records that cite these PMIDs] 16199547, 24631656, 24983657, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001489834

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Likely pathogenic
(Nov 1, 2021)

germline

clinical testing

PubMed (4)
[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

Splicing in action: assessing disease causing sequence changes.

Baralle D, Baralle M.

J Med Genet. 2005 Oct;42(10):737-48. Review.

PubMed [citation]

PMID:: 16199547
PMCID:: PMC1735933

Alternating Hemiplegia of Childhood mutations have a differential effect on Na(+),K(+)-ATPase activity and ouabain binding.

Weigand KM, Messchaert M, Swarts HG, Russel FG, Koenderink JB.

Biochim Biophys Acta. 2014 Jul;1842(7):1010-6. doi: 10.1016/j.bbadis.2014.03.002. Epub 2014 Mar 12.

PubMed [citation]

PMID:: 24631656

See all PubMed Citations (4)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001489834.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (4)

Description

This sequence change affects a donor splice site in intron 21 of the ATP1A3 gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in ATP1A3 are known to be pathogenic (PMID: 24631656, 24983657). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with ATP1A3-related conditions. ClinVar contains an entry for this variant (Variation ID: 1004046). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

#	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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