ClinVar Miner

Submissions for variant NM_183235.3(RAB27A):c.149del (p.Arg50fs) (rs770601673)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine, Partners HealthCare Personalized Medicine RCV000606194 SCV000711776 pathogenic Griscelli syndrome 2016-02-23 criteria provided, single submitter clinical testing The p.Arg50LysfsX35 variant in RAB27A has been reported in 4 individuals with Gr iscelli syndrome type 2 in the homozygous state (Menasche 2000). This variant ha s also been identified in 2/66,636 European chromosomes by the Exome Aggregation Consortium (ExAC, Although this variant has be en seen in the general population, its frequency is low enough to be consistent with a recessive carrier frequency. The p.Arg50LysfsX35 variant is predicted to cause a frameshift, which alters the protein?s amino acid sequence beginning at position 50 and leads to a premature termination codon 35 amino acids downstream . This alteration is then predicted to lead to a truncated or absent protein. In summary, this variant meets our criteria to be classified as pathogenic for Gri scelli syndrome type 2 in an autosomal recessive manner based upon case studies, low population frequency and functional prediction.

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