ClinVar Miner

Submissions for variant NM_153240.5(NPHP3):c.2342G>A (p.Gly781Asp) (rs781180515)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Johns Hopkins Genomics,Johns Hopkins University RCV000855408 SCV000998470 likely pathogenic Meckel syndrome type 7 2019-08-16 criteria provided, single submitter clinical testing InterpretationThis NPHP3 variant was previously identified in trans with a second likely disease-causing variant in two siblings presenting with severe multiorgan polycystic disease. This variant (rs781180515) is rare (<0.1%) in a large population dataset (gnomAD: 1/251358 total alleles; 0.0003978%; no homozygotes). Of three bioinformatics tools queried, two predict that the substitution would be probably damaging while the third predicts that it would be neutral. The glycine residue at this position is evolutionarily conserved across all species assessed. Bioinformatic analysis predicts that this missense variant may have a possible effect on normal exon 17 splicing, although this has not been confirmed experimentally to our knowledge. This variant is likely pathogenic in this patient.

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