ClinVar Miner

Submissions for variant NM_003468.4(FZD5):c.1146del (p.Asp382fs)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Victorian Clinical Genetics Services, Murdoch Childrens Research Institute RCV004788636 SCV005399650 likely pathogenic Congenital ocular coloboma 2024-09-20 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as Likely pathogenic. Following criteria are met: 0104 - Dominant negative is a likely mechanism of disease in this gene and is associated with coloboma (MONDO:0001476), FZD5-related. One truncating variant in this gene has been shown to compete with WNT ligands for binding or by dimerization with wild type FZD5 (PMID: 26908622). (I) 0107 - This gene is associated with autosomal dominant disease. (I) 0112 - The condition associated with this gene has incomplete penetrance (PMID: 26908622, PMID: 36695497). (I) 0204 - Variant is predicted to result in a truncated protein (premature termination codon is NOT located at least 54 nucleotides upstream of the final exon-exon junction) with at least 1/3 of the protein sequence affected. (SP) 0251 - This variant is heterozygous. (I) 0301 - Variant is absent from gnomAD (both v2 and v3). (SP) 0600 - Variant truncates part of the annotated Frizzled domain (DECIPHER). (I) 0703 - Other downstream truncating variants comparable to the one identified in this case have moderate previous evidence for pathogenicity. p.(Glu499*) and p.(Trp522*) have been observed in families with coloboma (PMID: 36695497). Another two downstream truncating variants have also been classified as VUS by clinical laboratories in CinVar. (SP) 0807 - This variant has no previous evidence of pathogenicity. (I) 0905 - No published segregation evidence has been identified for this variant. (I) 1007 - No published functional evidence has been identified for this variant. (I) 1208 - Inheritance information for this variant is not currently available in this individual. (I) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign

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