ClinVar Miner

Submissions for variant NM_000443.4(ABCB4):c.2869C>T (p.Arg957Ter) (rs121918440)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Clinical Services Laboratory,Illumina RCV000778841 SCV000915234 likely pathogenic Gallbladder disease 1 2018-12-13 criteria provided, single submitter clinical testing The ABCB4 c.2869C>T (p.Arg957Ter) variant is a stop-gained variant that is predicted to result in a premature termination of the protein. The p.Arg957Ter variant has been reported in two studies and is found in two probands with progressive familial intrahepatic cholestasis, including one in a homozygous state and one in a compound heterozygous state (de Vree et al. 1998; Stalke et al. 2017). Canalicular staining for ABCB4 protein was negative in liver tissue of the homozygous proband, and Northern blot and Western blot analysis showed low level or absence of RNA and protein (de Vree et al. 1998). The homozygous proband was from a consanguineous family and no other probands with liver disease were reported in this family, except for the mother who had experienced episodes of cholestasis during pregnancy (de Vree et al. 1998). Control data are unavailable for this variant and it is not found in the 1000 Genomes Project, the Exome Sequencing Project, the Exome Aggregation Consortium, or the Genome Aggregation Database. Based on the evidence and potential impact of stop-gained variants, this variant is classified as likely pathogenic for ABCB4-related intrahepatic cholestasis. This variant was observed by ICSL as part of a predisposition screen in an ostensibly healthy population.
OMIM RCV000014683 SCV000034938 pathogenic Progressive familial intrahepatic cholestasis 3 2017-10-18 no assertion criteria provided literature only
OMIM RCV000033063 SCV000056843 pathogenic Cholestasis, intrahepatic, of pregnancy 3 2017-10-18 no assertion criteria provided literature only

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