ClinVar Miner

Submissions for variant NM_003227.4(TFR2):c.2136+1G>C

dbSNP: rs781427471
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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 RCV003751750 SCV004413647 pathogenic Hereditary hemochromatosis 2022-10-31 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This variant disrupts a region of the TFR2 protein in which other variant(s) (p.Trp781*) have been determined to be pathogenic (PMID: 23600741, 26029709). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. 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 has not been reported in the literature in individuals affected with TFR2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change affects a donor splice site in intron 17 of the TFR2 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.

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