ClinVar Miner

Submissions for variant NM_000214.3(JAG1):c.765C>G (p.Tyr255Ter)

dbSNP: rs1131695
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000214085 SCV000279480 pathogenic not provided 2015-10-01 criteria provided, single submitter clinical testing The Y255X nonsense pathogenic variant in the JAG1 gene has been reported previously in association with Alagille syndrome (Witt et al., 2004; Warthen et al., 2006). This pathogenic variant is predicted to cause loss of normal protein function either through protein truncation or nonsense-mediated mRNA decay, and functional studies have shown that Y255X results in the loss of mRNA expression (Boyer et al., 2005). The variant was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. Additionally, another nucleotide substitution (c.765 C>A), which leads to the same nonsense change (Y255X), has been reported as pathogenic in association with Alagille syndrome (Kola et al., 2011).

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