RGD Reference Report - An LRP8 variant is associated with familial and premature coronary artery disease and myocardial infarction. - Rat Genome Database

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An LRP8 variant is associated with familial and premature coronary artery disease and myocardial infarction.

Authors: Shen, GQ  Li, L  Girelli, D  Seidelmann, SB  Rao, S  Fan, C  Park, JE  Xi, Q  Li, J  Hu, Y  Olivieri, O  Marchant, K  Barnard, J  Corrocher, R  Elston, R  Cassano, J  Henderson, S  Hazen, SL  Plow, EF  Topol, EJ  Wang, QK 
Citation: Shen GQ, etal., Am J Hum Genet. 2007 Oct;81(4):780-91. Epub 2007 Aug 31.
RGD ID: 2306124
Pubmed: PMID:17847002   (View Abstract at PubMed)
PMCID: PMC2227927   (View Article at PubMed Central)
DOI: DOI:10.1086/521581   (Journal Full-text)

Our previous genomewide linkage scan of 428 nuclear families (GeneQuest) identified a significant genetic susceptibility locus for premature myocardial infarction (MI) on chromosome 1p34-36. We analyzed candidate genes in the locus with a population-based association study involving probands with premature coronary artery disease (CAD) and/or MI from the GeneQuest families (381 cases) and 560 controls without stenosis detectable by coronary angiography. A nonconservative substitution, R952Q, in LRP8 was significantly associated with susceptibility to premature CAD and/or MI by use of both population-based and family-based designs. Three additional white populations were used for follow-up replication studies: another independent cohort of CAD- and/or MI-affected families (GeneQuest II: 441 individuals from 22 pedigrees), an Italian cohort with familial MI (248 cases) and 308 Italian controls, and a separate Cleveland GeneBank cohort with sporadic MI (1,231 cases) and 560 controls. The association was significantly replicated in two independent populations with a family history of CAD and/or MI, the GeneQuest II family-based replication cohort and the Italian cohort, but not in the population with sporadic disease. The R952Q variant of LRP8 increased activation of p38 mitogen-activated protein kinase by oxidized low-density lipoprotein. This extensive study, involving multiple independent populations, provides the first evidence that genetic variants in LRP8 may contribute to the development of premature and familial CAD and MI.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
LRP8Humancoronary artery disease onsetIAGP DNA:missense mutation:cds:p.R952Q (human)RGD 
Lrp8Ratcoronary artery disease onsetISOLRP8 (Homo sapiens)DNA:missense mutation:cds:p.R952Q (human)RGD 
Lrp8Mousecoronary artery disease onsetISOLRP8 (Homo sapiens)DNA:missense mutation:cds:p.R952Q (human)RGD 
LRP8Humanmyocardial infarction onsetIAGP DNA:missense mutation:cds:p.R952Q (human)RGD 
Lrp8Ratmyocardial infarction onsetISOLRP8 (Homo sapiens)DNA:missense mutation:cds:p.R952Q (human)RGD 
Lrp8Mousemyocardial infarction onsetISOLRP8 (Homo sapiens)DNA:missense mutation: :p.R952Q (human)RGD 

Objects Annotated

Genes (Rattus norvegicus)
Lrp8  (LDL receptor related protein 8)

Genes (Mus musculus)
Lrp8  (low density lipoprotein receptor-related protein 8, apolipoprotein e receptor)

Genes (Homo sapiens)
LRP8  (LDL receptor related protein 8)


Additional Information