ClinVar Miner

Submissions for variant NM_000443.4(ABCB4):c.1240G>C (p.Gly414Arg)

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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 RCV004788272 SCV005399427 uncertain significance Low phospholipid associated cholelithiasis 2022-02-02 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as VUS-3B. Following criteria are met: 0102 - Loss of function is a known mechanism of disease in this gene and is associated with intrahepatic cholestasis of pregnancy 3 (ICP-3) (MIM#614972), gallbladder disease 1 (low phospholipid-associated cholelithiasis (LPAC)) (MIM# 600803) and progressive familial intrahepatic cholestasis 3 (PFIC) (MIM#602347). (I) 0108 - This gene is associated with both recessive and dominant disease. PFIC is inherited in a recessive manner, whereas ICP-3 and LPAC can be either dominant or recessive. Biallelic variants typically demonstrate less residual protein activity, resulting in earlier onset of the condition with a more severe phenotype (OMIM, PMID: 24806754, PMID: 32376413). (I) 0200 - Variant is predicted to result in a missense amino acid change from glycine to arginine. (I) 0251 - This variant is heterozygous. (I) 0304 - Variant is present in gnomAD <0.01 (1 heterozygote, 0 homozygotes). (SP) 0502 - Missense variant with conflicting in silico predictions and uninformative conservation. (I) 0600 - Variant is located in the annotated ABC transporter 1 domain (UniProt). (I) 0705 - No comparable missense variants have previous evidence for pathogenicity. (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) 1102 - Strong phenotype match for this individual. (SP) 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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