ClinVar Miner

Submissions for variant FH Aarhus

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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
U4M - Lille University & CHRU Lille, Université de Lille - CHRU de Lille RCV000003935 SCV000583862 pathogenic Hypercholesterolemia, familial, 1 2017-03-30 criteria provided, single submitter clinical testing
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine RCV000825620 SCV000966972 pathogenic Homozygous familial hypercholesterolemia 2018-04-06 criteria provided, single submitter clinical testing The p.[Asn564His;Val800_Leu802del] compound allele in LDLR is the most common FH variant in the Netherlands (Kusters 2011) and has been well reported in associa tion with FH in other European populations (Jensen 1997, Castillo 2002, Palacios 2012, ClinVar Variation IDs 226365, 226394, 3737). This compound allele has als o been identified in 2/111690 European chromosomes by the Genome Aggregation Dat abase (gnomAD, http://gnomad.broadinstitute.org; dbSNP rs875989944 and rs3975093 65); however, this frequency is low enough to be consistent with the frequency o f FH in the general population. This compound allele is comprised of two variant s (p.Asn564His in exon 11 and p.Val800_Leu802del in exon 17) on the same copy of the LDLR gene. In vitro functional studies provide some evidence that the p.Asn 564His and p.Val800_Leu802del variants have a synergistic impact on LDLR functio n (Jensen 1997). Although cholesterol levels were significantly elevated in carr iers vs non-carriers (p<0.001; Castillo 2002, Huijgen 2010), the p.[Asn564His;Va l800_Leu802del] compound allele has been reported to lead to relatively mild hyp ercholesterolemia (Castillo 2002, Kusters 2011). Nevertheless, the compound alle le has been associated with increased risk of coronary artery disease (RR 7.83, 95% CI 3.11-19.67; Umans-Echenhausen 2002). In summary, the p.[Asn564His;Val800_ Leu802del] compound allele meets criteria to be classified as pathogenic for fam ilial hypercholesterolemia in an autosomal dominant manner. ACMG/AMP criteria ap plied: PS4, PP1_Strong, PM2, PP3, PS3_Supporting.
Color Diagnostics, LLC DBA Color Health RCV001176084 SCV001339922 pathogenic Familial hypercholesterolemia 2018-12-07 criteria provided, single submitter clinical testing
Provincial Medical Genetics Program of British Columbia, University of British Columbia RCV000003935 SCV002320840 pathogenic Hypercholesterolemia, familial, 1 2022-01-01 criteria provided, single submitter clinical testing
OMIM RCV000003935 SCV000024100 pathogenic Hypercholesterolemia, familial, 1 2019-06-19 no assertion criteria provided literature only

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