ClinVar Miner

Submissions for variant NM_001164688.2(RD3):c.296+1G>T

dbSNP: rs386834260
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001886727 SCV002150228 pathogenic Leber congenital amaurosis 12 2023-08-27 criteria provided, single submitter clinical testing This sequence change affects a donor splice site in intron 2 of the RD3 gene. While this variant is not anticipated to result in nonsense mediated decay, it likely alters RNA splicing and results in a disrupted protein product. This variant is present in population databases (no rsID available, gnomAD 0.0009%). Disruption of this splice site has been observed in individuals with Leber congenital amaurosis (PMID: 17186464, 29068479). It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 1388540). Variants that disrupt 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. This variant disrupts a region of the RD3 protein in which other variant(s) (p.Leu104Pro) have been observed in individuals with RD3-related conditions (PMID: 27422788). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic.

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