ClinVar Miner

Submissions for variant NM_000527.5(LDLR):c.515A>G (p.Asp172Gly)

dbSNP: rs879254555
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
LDLR-LOVD, British Heart Foundation RCV000238439 SCV000294759 likely pathogenic Hypercholesterolemia, familial, 1 2016-03-25 criteria provided, single submitter literature only
Molecular Genetics Laboratory, Centre for Cardiovascular Surgery and Transplantation RCV000238439 SCV000540738 likely pathogenic Hypercholesterolemia, familial, 1 2016-11-05 criteria provided, single submitter clinical testing
Ambry Genetics RCV002338785 SCV002645276 likely pathogenic Cardiovascular phenotype 2017-03-09 criteria provided, single submitter clinical testing The p.D172G variant (also known as c.515A>G), located in coding exon 4 of the LDLR gene, results from an A to G substitution at nucleotide position 515. The aspartic acid at codon 172 is replaced by glycine, an amino acid with similar properties. This alteration was detected in a cohort of individuals with elevated total and/or LDL cholesterol levels; however, limited clinical details were provided (Dušková L et al. Atherosclerosis, 2011 May;216:139-45; Tichý L et al. Atherosclerosis, 2012 Aug;223:401-8). Internal structural analysis suggested this alteration could affect the characteristic calcium-binding motif which is needed for proper disulfide bond formation. In addition, alterations at the same amino acid position, D172N (Leren TP et al. Semin Vasc Med, 2004 Feb;4:75-85), D172E (Chiou KR et al. Am. J. Cardiol., 2010 Jun;105:1752-8), D172H (Thiart R et al. J. Med. Genet., 2000 Jul;37:514-9), D172Y (Pongrapeeporn KU et al. J Med Assoc Thai, 2000 Nov;83 Suppl 2:S66-73), have been reported in association with familial hypercholesterolemia. This amino acid position is well conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Based on the majority of available evidence to date, this variant is likely to be pathogenic.

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