ClinVar Miner

Submissions for variant NM_025099.6(CTC1):c.2758+4A>G

dbSNP: rs754205135
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001207635 SCV001378997 uncertain significance Dyskeratosis congenita 2019-10-30 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals with CTC1-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the ExAC database. This sequence change falls in intron 16 of the CTC1 gene. It does not directly change the encoded amino acid sequence of the CTC1 protein, but it affects a nucleotide within the consensus splice site of the intron. 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. 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.

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