ClinVar Miner

Submissions for variant NM_001009944.3(PKD1):c.7810G>A (p.Asp2604Asn)

gnomAD frequency: 0.00001  dbSNP: rs778565182
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Athena Diagnostics Inc RCV000517059 SCV000614535 likely benign not specified 2016-08-31 criteria provided, single submitter clinical testing
PreventionGenetics, part of Exact Sciences RCV003915457 SCV004733269 benign PKD1-related condition 2020-09-03 criteria provided, single submitter clinical testing This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications).
Department of Pathology and Laboratory Medicine, Sinai Health System RCV001292048 SCV001480690 likely benign Polycystic kidney disease no assertion criteria provided clinical testing The PKD1 p.Asp2604Asn variant was identified in 1 of 176 proband chromosomes (frequency: 0.00568) from individuals or families with ADPKD and was not identified in 100 control chromosomes from healthy individuals (Phakdeekitcharoen_2000_PMID: 11012875). Phakdeekitcharoen et al (2000) identified the p.Asp2604Asn variant in a family with ADPKD. The p.Asp2604Asn variant did not segregate with disease in the family. A second variant, PKD1 p.Arg2408Cys, was identified in the family and did segregate with disease (Phakdeekitcharoen_2000_PMID: 11012875). The variant was identified in dbSNP (ID: rs778565182). The variant was identified in ClinVar (classified as likely benign by Athena Diagnostics). The p.Asp2604Asn variant was identified in control databases in 224 of 232448 chromosomes (5 homozygous) at a frequency of 0.0009637, and was observed at the highest frequency in the South Asian population in 222 of 30320 chromosomes (freq: 0.007322) (Genome Aggregation Database March 6, 2019, v2.1.1). The p.Asp2604 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 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.

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