ClinVar Miner

Submissions for variant NM_001009944.3(PKD1):c.2098-3C>T

gnomAD frequency: 0.00004  dbSNP: rs1295368570
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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 RCV000499607 SCV000592742 likely benign Polycystic kidney disease no assertion criteria provided clinical testing The PKD1 c.2098-3C>T variant was not identified in the literature nor was it identified in dbSNP, Clinvitae database, the ClinVar database, GeneInsight COGR database, ADPKD Mutation Database, PKD1-LOVD, PKD1-LOVD 3.0, 1000 Genomes Project, NHLBI GO Exome Sequencing Project (ESP), and the Exome Aggregation Consortium database (March 14, 2016). The c.2098-3C>T variant is located in the 3' splice region but does not affect the invariant -1 and -2 positions. However, positions -3 and -5 to -12 are part of the splicing consensus sequence and variants involving these positions sometimes affect splicing. In silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) do not predict the abolishment of the consensus splice site; however, HumanSpliceFinder, MaxEntScan and GeneSplicer predict the loss of a 5' cryptic donor splice site at this position and we cannot eliminate the possibility that an exon splice enhancer was modified and may lead to abnormal splicing or creation of a cryptic splice site. 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. In addition this variant was identified co-occurring with a pathogenic PKD1 variant (PKD1, EXON43, c.11798_11810del, p.Leu3933ArgfsX8) in a patient with a clinical diagnosis of ADPKD . This variant is classified as likely benign.

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