ClinVar Miner

Submissions for variant NM_001009944.3(PKD1):c.8405C>T (p.Pro2802Leu)

dbSNP: rs534112936
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Department of Pathology and Laboratory Medicine, Sinai Health System RCV000503936 SCV000592822 likely benign Polycystic kidney disease no assertion criteria provided clinical testing The PKD1 p.Pro2802Leu variant was identified in 1 of 116 proband chromosomes (frequency: 0.009) from individuals or families with Autosomal Dominant Polycystic Kidney Disease (Rossetti 2003). The variant was also identified in dbSNP (ID: rs534112936) as “NA”. The variant was not found in the Clinvitae, ClinVar, GeneInsight COGR, MutDB, ADPKD Mutation Database, PKD1-LOVD, and PKD1-LOVD 3.0 databases. This variant was identified in the 1000 Genomes Project in 6 of 120,000 chromosomes (frequency: 0.00005) the Exome Aggregation Consortium (ExAC) database (released Jan 13, 2015) in 6 of 115124 chromosomes (frequency: 0.00005) of those 5 (0.0003) were South Asian and 1 (0.00001) were European (Non-Finnish), although this low number of observations and low frequency is not substantive enough to determine the prevalence of the variant in the general population and its relationship to disease. The p.Pro2802 residue is conserved in mammals and computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) provide inconsistent predictions regarding the impact to the protein; this information is not very predictive of pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) do not predict a difference in splicing. The identification of this variant with a co-occurring pathogenic variant increases the likelihood this variant does not have clinical significance. In summary, based on the above information, the clinical significance of this variant cannot be determined with certainty at this time although we would lean towards a more benign role for this variant. This variant is classified as likely benign.

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