ClinVar Miner

Submissions for variant NM_001009944.3(PKD1):c.8161+5C>T (rs534696523)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
PreventionGenetics,PreventionGenetics RCV000241865 SCV000305788 likely benign not specified criteria provided, single submitter clinical testing
CeGaT Praxis fuer Humangenetik Tuebingen RCV000996163 SCV001150731 uncertain significance not provided 2016-08-01 criteria provided, single submitter clinical testing
Department of Pathology and Laboratory Medicine,Sinai Health System RCV001292210 SCV001480986 uncertain significance Polycystic kidney disease no assertion criteria provided clinical testing The PKD1 c.8161+5C>T variant was not identified in the literature nor was it identified in GeneInsight-COGR, LOVD 3.0, ADPKD Mutation Database or PKD1-LOVD. The variant was identified in dbSNP (ID: rs534696523) “With Likely benign allele”, ClinVar (classified likely benign by Prevention Genetics), and in control databases in 34 of 174976 chromosomes at a frequency of 0.0002, increasing the likelihood this could be a low frequency benign variant (Genome Aggregation Database Feb 27, 2017). Breakdown of the observations by population include African in 6 of 15076 chromosomes (freq: 0.0004), Latino in 4 of 25344 chromosomes (freq: 0.0002), European Non-Finnish in 17 of 71256 chromosomes (freq: 0.0002), Ashkenazi Jewish in 5 of 8382 chromosomes (freq: 0.0006), East Asian in 1 of 12724 chromosomes (freq: 0.00008), and South Asian in 1 of 23284 chromosomes (freq: 0.00004), while not observed in the Other and European Finnish populations. In addition we cannot be certain that data from control databases is specific to PKD1 and not from one of the six PKD1 pseudogenes. The c.8161+5C>T variant is located in the 5' splice region but does not affect the invariant +1 and +2 positions. Positions +3 to +6 are part of the splicing consensus sequence and variants involving these positions sometimes affect splicing; however, in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) do not predict a difference in splicing for the variant. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time. This variant is classified as a variant of uncertain significance.

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