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NM_177550.5(SLC13A5):c.840-2A>G AND Developmental and epileptic encephalopathy, 25

Germline classification:
Likely pathogenic (1 submission)
Last evaluated:
Sep 27, 2022
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:
RCV002890621.3

Allele description [Variation Report for NM_177550.5(SLC13A5):c.840-2A>G]

NM_177550.5(SLC13A5):c.840-2A>G

Gene:
SLC13A5:solute carrier family 13 member 5 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
17p13.1
Genomic location:
Preferred name:
NM_177550.5(SLC13A5):c.840-2A>G
HGVS:
  • NC_000017.11:g.6695943T>C
  • NG_034220.1:g.22479A>G
  • NM_001143838.3:c.840-2A>G
  • NM_001284509.2:c.789-2A>G
  • NM_001284510.2:c.711-2A>G
  • NM_177550.5:c.840-2A>GMANE SELECT
  • LRG_1020:g.22479A>G
  • NC_000017.10:g.6599262T>C
Molecular consequence:
  • NM_001143838.3:c.840-2A>G - splice acceptor variant - [Sequence Ontology: SO:0001574]
  • NM_001284509.2:c.789-2A>G - splice acceptor variant - [Sequence Ontology: SO:0001574]
  • NM_001284510.2:c.711-2A>G - splice acceptor variant - [Sequence Ontology: SO:0001574]
  • NM_177550.5:c.840-2A>G - splice acceptor variant - [Sequence Ontology: SO:0001574]

Condition(s)

Name:
Developmental and epileptic encephalopathy, 25 (DEE25)
Synonyms:
Epileptic encephalopathy, early infantile, 25; Developmental and epileptic encephalopathy 25, with amelogenesis imperfecta; Epileptic encephalopathy, early infantile, 25, with amelogenesis imperfecta
Identifiers:
MONDO: MONDO:0014392; MedGen: C4014621; Orphanet: 442835; OMIM: 615905

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV003244274Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Likely pathogenic
(Sep 27, 2022) 		germlineclinical testing

PubMed (4)
[See all records that cite these PMIDs]

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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

Mutations in SLC13A5 cause autosomal-recessive epileptic encephalopathy with seizure onset in the first days of life.

Thevenon J, Milh M, Feillet F, St-Onge J, Duffourd Y, Jugé C, Roubertie A, Héron D, Mignot C, Raffo E, Isidor B, Wahlen S, Sanlaville D, Villeneuve N, Darmency-Stamboul V, Toutain A, Lefebvre M, Chouchane M, Huet F, Lafon A, de Saint Martin A, Lesca G, et al.

Am J Hum Genet. 2014 Jul 3;95(1):113-20. doi: 10.1016/j.ajhg.2014.06.006.

PubMed [citation]
PMID:
24995870
PMCID:
PMC4085634
See all PubMed Citations (4)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV003244274.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (4)

Description

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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. This variant has not been reported in the literature in individuals affected with SLC13A5-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change affects an acceptor splice site in intron 6 of the SLC13A5 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 SLC13A5 are known to be pathogenic (PMID: 24995870, 26384929).

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 29, 2024