NM_001080.3(ALDH5A1):c.609+5G>T AND Succinate-semialdehyde dehydrogenase deficiency

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Sep 10, 2020
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:: RCV001338539.5

Allele description [Variation Report for NM_001080.3(ALDH5A1):c.609+5G>T]

NM_001080.3(ALDH5A1):c.609+5G>T

Gene:

ALDH5A1:aldehyde dehydrogenase 5 family member A1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

6p22.3

Genomic location:

Preferred name:

NM_001080.3(ALDH5A1):c.609+5G>T

HGVS:

NC_000006.12:g.24503438G>T
NG_008161.1:g.13470G>T
NM_001080.3:c.609+5G>TMANE SELECT
NM_001368954.1:c.609+5G>T
NM_170740.1:c.609+5G>T
NC_000006.11:g.24503666G>T

Links:

dbSNP: rs376633237

NCBI 1000 Genomes Browser:

rs376633237

Molecular consequence:

NM_001080.3:c.609+5G>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001368954.1:c.609+5G>T - intron variant - [Sequence Ontology: SO:0001627]
NM_170740.1:c.609+5G>T - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:: Succinate-semialdehyde dehydrogenase deficiency (SSADHD)
Synonyms:: 4-hydroxybutyric aciduria; Gamma-hydroxybutyricaciduria
Identifiers:: MONDO: MONDO:0010083; MedGen: C0268631; Orphanet: 22; OMIM: 271980

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001532218	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Sep 10, 2020)	germline	clinical testing	PubMed (3) [See all records that cite these PMIDs] 17576681, 9536098, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001532218

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Sep 10, 2020)

germline

clinical testing

PubMed (3)
[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

Aberrant 5' splice sites in human disease genes: mutation pattern, nucleotide structure and comparison of computational tools that predict their utilization.

Buratti E, Chivers M, Královicová J, Romano M, Baralle M, Krainer AR, Vorechovsky I.

Nucleic Acids Res. 2007;35(13):4250-63. Epub 2007 Jun 18.

PubMed [citation]

PMID:: 17576681
PMCID:: PMC1934990

Statistical features of human exons and their flanking regions.

Zhang MQ.

Hum Mol Genet. 1998 May;7(5):919-32.

PubMed [citation]

PMID:: 9536098

See all PubMed Citations (3)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001532218.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (3)

Description

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. Nucleotide substitutions within the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site, but this prediction has not been confirmed by published transcriptional studies. This variant has not been reported in the literature in individuals with ALDH5A1-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change falls in intron 3 of the ALDH5A1 gene. It does not directly change the encoded amino acid sequence of the ALDH5A1 protein, but it affects a nucleotide within the consensus splice site of the intron.

#	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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