ClinVar Miner

Submissions for variant NM_001009944.3(PKD1):c.3316C>G (p.Leu1106Val)

gnomAD frequency: 0.00226  dbSNP: rs141625744
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Total submissions: 10
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories RCV000999905 SCV000884323 likely benign Polycystic kidney disease, adult type 2019-04-03 criteria provided, single submitter clinical testing
Athena Diagnostics Inc RCV000756492 SCV001144973 benign not provided 2018-09-27 criteria provided, single submitter clinical testing
GeneDx RCV000756492 SCV001751208 likely benign not provided 2021-02-10 criteria provided, single submitter clinical testing In silico analysis, which includes protein predictors and evolutionary conservation, supports that this variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 22383692, 17574468, 17582161)
Fulgent Genetics, Fulgent Genetics RCV000999905 SCV002798530 likely benign Polycystic kidney disease, adult type 2021-10-21 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV003235380 SCV003934669 likely benign not specified 2023-05-25 criteria provided, single submitter clinical testing
CeGaT Center for Human Genetics Tuebingen RCV000756492 SCV004142898 likely benign not provided 2023-11-01 criteria provided, single submitter clinical testing PKD1: BP4
Department of Pathology and Laboratory Medicine, Sinai Health System RCV001292433 SCV001480903 likely benign Polycystic kidney disease no assertion criteria provided clinical testing The PKD1 p.Leu1106Val variant was identified in 3 of 864 proband chromosomes (frequency: 0.003) from individuals or families with polycystic kidney disease and was not identified in 58 control chromosomes from healthy individuals (Rossetti 2007, Rossetti 2012). The variant was also identified in dbSNP (ID: rs141625744) and the ADPKD Mutation Database (likely neutral). The variant was not identified in ClinVar, Clinvitae, GeneInsight-COGR, LOVD 3.0, or the PKD1-LOVD database. The variant was identified in control databases in 621 of 272384 chromosomes (1 homozygous) at a frequency of 0.002 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 12 of 23738 chromosomes (freq: 0.0005), Other in 9 of 6386 chromosomes (freq: 0.001), Latino in 40 of 34364 chromosomes (freq: 0.001), European in 475 of 122708 chromosomes (freq: 0.004), Ashkenazi Jewish in 54 of 10070 chromosomes (freq: 0.005), East Asian in 16 of 18796 chromosomes (freq: 0.0009), Finnish in 14 of 25560 chromosomes (freq: 0.0005), and South Asian in 1 of 30762 chromosomes (freq: 0.00003). In addition we cannot be certain that data from control databases is specific to PKD1 and not from one of the six PKD1 pseudogenes. Studies by Rosetti list this variant as a polymorphism (Rossetti 2007, Rossetti 2012). The p.Leu1106 residue is not conserved in mammals and computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) do not suggest a high likelihood of impact to the protein; however, this information is not predictive enough to rule out pathogenicity. The variant occurs outside of the splicing consensus sequence and 1 of 5 in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) predict a greater than 10% difference in splicing; this is not very predictive of pathogenicity. 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.
Genome Diagnostics Laboratory, University Medical Center Utrecht RCV000756492 SCV001932895 likely benign not provided no assertion criteria provided clinical testing
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center RCV000756492 SCV001974885 likely benign not provided no assertion criteria provided clinical testing
Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC) RCV000756492 SCV002036367 likely benign not provided no assertion criteria provided clinical testing

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