ClinVar Miner

Submissions for variant NM_000350.3(ABCA4):c.173A>T (p.Asn58Ile)

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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 RCV002470565 SCV002768740 uncertain significance Severe early-childhood-onset retinal dystrophy 2020-10-15 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.3, this variant is classified as 3A-VUS. Following criteria are met: 0102 - Loss of function is a known mechanism of disease in this gene and is associated with Stargardt disease 1 (MIM#248200), and other retinal conditions (OMIM). (I) 0106 - This gene is associated with autosomal recessive disease. (I) 0200 - Variant is predicted to result in a missense amino acid change from asparagine to isoleucine. (I) 0251 - This variant is heterozygous. (I) 0301 - Variant is absent from gnomAD (both v2 and v3). (SP) 0309 - An alternative amino acid change at the same position has been observed in gnomAD (v3) (1 heterozygote, 0 homozygotes). (I) 0501 - Missense variant consistently predicted to be damaging by multiple in silico tools and highly conserved with a major amino acid change. (SP) 0604 - Variant is not located in an established domain, motif, hotspot or informative constraint region. (I) 0708 - Another missense variant comparable to the one identified in this case has conflicting previous evidence for pathogenicity. An alternative change (p.Asn58Lys) has been reported as likely benign, likely pathogenic and a VUS, and observed in several patients with Stargardt disease (ClinVar, LOVD, PMID: 11527935, PMID: 28044389). (I) 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) 1201 - Heterozygous variant detected in trans with a second pathogenic heterozygous variant (p.(Ser84Thrfs*16)) in a recessive disease. (SP) 1208 - Inheritance information for this variant is not currently available in this individual. (I)

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