ClinVar Miner

Submissions for variant NM_001379200.1(TBX1):c.1037-1G>A

dbSNP: rs1936844527
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001210656 SCV001382153 uncertain significance DiGeorge syndrome 2019-08-14 criteria provided, single submitter clinical testing This sequence change affects an acceptor splice site in the last intron (intron 8) of the TBX1 gene. While this is not anticipated to result in nonsense mediated decay, it likely alters RNA splicing and results in a disrupted protein product. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. 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 TBX1-related conditions.

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