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NM_004085.4(TIMM8A):c.133-2A>G AND not provided

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Aug 23, 2019
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:
RCV001210338.5

Allele description

NM_004085.4(TIMM8A):c.133-2A>G

Gene:
TIMM8A:translocase of inner mitochondrial membrane 8A [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
Xq22.1
Genomic location:
Preferred name:
NM_004085.4(TIMM8A):c.133-2A>G
HGVS:
  • NC_000023.11:g.101346662T>C
  • NG_011734.1:g.7308A>G
  • NM_001145951.2:c.*1725A>G
  • NM_004085.4:c.133-2A>GMANE SELECT
  • NC_000023.10:g.100601650T>C
  • NM_004085.3:c.133-2A>G
Links:
dbSNP: rs1926076610
NCBI 1000 Genomes Browser:
rs1926076610
Molecular consequence:
  • NM_001145951.2:c.*1725A>G - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
  • NM_004085.4:c.133-2A>G - splice acceptor variant - [Sequence Ontology: SO:0001574]

Condition(s)

Synonyms:
none provided
Identifiers:
MedGen: C3661900

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV001381821Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Aug 23, 2019) 		germlineclinical testing

PubMed (3)
[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

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 Invitae, SCV001381821.5

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical 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 TIMM8A-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change affects an acceptor splice site in the last intron (intron 1) of the TIMM8A gene. While this is not anticipated to result in nonsense mediated decay, it likely alters RNA splicing and results in a disrupted protein product.

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

Last Updated: Feb 28, 2024