ClinVar Miner

Submissions for variant NM_000527.5(LDLR):c.1878del (p.Ala627fs)

dbSNP: rs1057516134
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Total submissions: 6
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Robarts Research Institute, Western University RCV000408847 SCV000484808 likely pathogenic Hypercholesterolemia, familial, 1 criteria provided, single submitter clinical testing
Fundacion Hipercolesterolemia Familiar RCV000408847 SCV000607652 pathogenic Hypercholesterolemia, familial, 1 2016-03-01 criteria provided, single submitter research
GeneDx RCV001731662 SCV001982811 pathogenic not provided 2021-04-09 criteria provided, single submitter clinical testing Not observed in large population cohorts (Lek et al., 2016); Frameshift variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is a known mechanism of disease; Published functional studies show that expression of LDLR is significantly diminished in vitro (Banerjee et al., 2019); Reported in ClinVar but additional evidence is not available (ClinVar Variant ID#369872; Landrum et al., 2016); This variant is associated with the following publications: (PMID: 19026292, 31578082)
Labcorp Genetics (formerly Invitae), Labcorp RCV001861359 SCV002232528 pathogenic Familial hypercholesterolemia 2022-05-28 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. ClinVar contains an entry for this variant (Variation ID: 369872). This variant is also known as 1877delA. This premature translational stop signal has been observed in individual(s) with familial hypercholesterolemia (PMID: 19026292). This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Ala627Profs*38) 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).
Ambry Genetics RCV002411271 SCV002722382 pathogenic Cardiovascular phenotype 2017-09-14 criteria provided, single submitter clinical testing The c.1878delA pathogenic mutation, located in coding exon 13 of the LDLR gene, results from a deletion of one nucleotide at nucleotide position 1878, causing a translational frameshift with a predicted alternate stop codon (p.A627Pfs*38). This alteration (reported as 1877delA) was detected in a patient reported to have homozygous familial hypercholesterolemia (Kolansky DM et al. Am J Cardiol. 2008;102:1438-43). In addition to the clinical data presented in the literature, this alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.
Laboratorium voor Moleculaire Diagnostiek Experimentele Vasculaire Geneeskunde, Academisch Medisch Centrum RCV000408847 SCV000606549 pathogenic Hypercholesterolemia, familial, 1 no assertion criteria provided research

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