ClinVar Miner

Submissions for variant NM_004168.4(SDHA):c.1432+1G>T

dbSNP: rs878854628
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002037154 SCV002114019 likely pathogenic Mitochondrial complex II deficiency, nuclear type 1; Paragangliomas 5 2022-05-29 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. ClinVar contains an entry for this variant (Variation ID: 1345263). Disruption of this splice site has been observed in individual(s) with Leigh syndrome (PMID: 31665838). This variant is not present in population databases (gnomAD no frequency). This sequence change affects a donor splice site in intron 10 of the SDHA gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in SDHA are known to be pathogenic (PMID: 22974104, 24781757).

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