ClinVar Miner

Submissions for variant NM_003002.4(SDHD):c.52+5G>C

dbSNP: rs1592777393
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002534889 SCV000956660 uncertain significance Carney-Stratakis syndrome; Pheochromocytoma; Paragangliomas with sensorineural hearing loss; Cowden syndrome 3 2023-12-22 criteria provided, single submitter clinical testing This sequence change falls in intron 1 of the SDHD gene. It does not directly change the encoded amino acid sequence of the SDHD protein. It affects a nucleotide within the consensus splice site. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with SDHD-related conditions. ClinVar contains an entry for this variant (Variation ID: 659200). 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. 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.
Ambry Genetics RCV001023717 SCV001185632 uncertain significance Hereditary cancer-predisposing syndrome 2018-12-28 criteria provided, single submitter clinical testing The c.52+5G>C intronic variant results from a G to C substitution 5 nucleotides after coding exon 1 in the SDHD gene. This nucleotide position is highly conserved in available vertebrate species. Using the BDGP and ESEfinder splice site prediction tools, this alteration is predicted to weaken the efficiency of the native splice donor site; however, direct evidence is unavailable. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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