ClinVar Miner

Submissions for variant NM_138694.4(PKHD1):c.1458C>A (p.Tyr486Ter)

gnomAD frequency: 0.00001  dbSNP: rs786204749
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Total submissions: 6
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Counsyl RCV000169599 SCV000221111 likely pathogenic Autosomal recessive polycystic kidney disease 2015-02-03 criteria provided, single submitter literature only
Baylor Genetics RCV000169599 SCV001163067 pathogenic Autosomal recessive polycystic kidney disease criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000169599 SCV001361896 likely pathogenic Autosomal recessive polycystic kidney disease 2022-12-06 criteria provided, single submitter clinical testing Variant summary: PKHD1 c.1458C>A (p.Tyr486X) results in a premature termination codon, predicted to cause a truncation of the encoded protein or absence of the protein due to nonsense mediated decay, which are commonly known mechanisms for disease. Truncations downstream of this position have been classified as pathogenic by our laboratory. The variant was absent in 251268 control chromosomes (gnomAD). c.1458C>A has been reported in the literature in individuals affected with Polycystic Kidney and Hepatic Disease (Gunay-Aygun_2010, Gunay-Aygun_2011). These data indicate that the variant may be associated with disease. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. Two clinical diagnostic laboratories have submitted assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. Both laboratories classified the variant as likely pathogenic. Based on the evidence outlined above, the variant was classified as likely pathogenic.
Invitae RCV000169599 SCV003439396 pathogenic Autosomal recessive polycystic kidney disease 2023-01-07 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Tyr486*) in the PKHD1 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in PKHD1 are known to be pathogenic (PMID: 19940839). For these reasons, this variant has been classified as Pathogenic. ClinVar contains an entry for this variant (Variation ID: 189171). This premature translational stop signal has been observed in individual(s) with polycystic kidney disease (PMID: 19914852). This variant is present in population databases (rs786204749, gnomAD 0.0009%).
Baylor Genetics RCV003462270 SCV004204607 pathogenic Polycystic kidney disease 4 2023-07-22 criteria provided, single submitter clinical testing
Natera, Inc. RCV000169599 SCV002081080 likely pathogenic Autosomal recessive polycystic kidney disease 2017-11-10 no assertion criteria provided clinical testing

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