Total submissions: 5
Submitter | RCV | SCV | Clinical significance | Condition | Last evaluated | Review status | Method | Comment |
---|---|---|---|---|---|---|---|---|
Clin |
RCV000237191 | SCV002568024 | pathogenic | Hypercholesterolemia, familial, 1 | 2022-08-28 | reviewed by expert panel | curation | The NM_000527.5(LDLR):c.1598G>A (p.Trp533Ter) variant is classified as Pathogenic for Familial Hypercholesterolemia by applying evidence codes PVS1, PM2, PP4 and PS4_Supporting as defined by the ClinGen Familial Hypercholesterolemia Expert Panel LDLR-specific variant curation guidelines (https://doi.org/10.1016/j.gim.2021.09.012). The supporting evidence is as follows: PVS1 - variant is nonsense upstream of amino acid 830, so PVS1 is met. PM2 - PopMax MAF = 0.000008792 (0.0009%) in European Non-Finnish exomes (gnomAD v2.1.1). It is below 0.02%, so PM2 is met. PP4 - variant meets PM2. identified in: - 1 index case who fulfills SB criteria from Cardiovascular Research Group, Instituto Nacional de Saude Doutor Ricardo Jorge. - 1 index case who fulfills SB criteria from Marduel et al. 2010 (PMID: 20809525). so PP4 is met. PS4_supporting - variant meets PM2 and was identified in 2 unrelated index cases from different labs (please see PP4 for details), so PS4_Supporitng is met. |
LDLR- |
RCV000237191 | SCV000295529 | pathogenic | Hypercholesterolemia, familial, 1 | 2016-03-25 | criteria provided, single submitter | literature only | |
Cardiovascular Research Group, |
RCV000237191 | SCV000322962 | uncertain significance | Hypercholesterolemia, familial, 1 | 2016-03-01 | criteria provided, single submitter | research | 0/190 non-FH alleles |
Centre de Génétique Moléculaire et Chromosomique, |
RCV000237191 | SCV000503373 | pathogenic | Hypercholesterolemia, familial, 1 | 2016-12-16 | criteria provided, single submitter | clinical testing | subject mutated among 2600 FH index cases screened = 1 |
Labcorp Genetics |
RCV001854903 | SCV002145536 | pathogenic | Familial hypercholesterolemia | 2021-03-07 | criteria provided, single submitter | clinical testing | This sequence change creates a premature translational stop signal (p.Trp533*) in the LDLR gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in LDLR are known to be pathogenic (PMID: 20809525, 28645073). For these reasons, this variant has been classified as Pathogenic. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. This variant has been observed in individual(s) with clinical features of familial hypercholesterolemia or myocardial infarction (PMID: 20809525, 25487149). ClinVar contains an entry for this variant (Variation ID: 251926). This variant is present in population databases (rs746939188, ExAC 0.002%). |