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Gene Set #129156 - multigenic obesity QTL 5 (Mobq5 Published QTL Chr 2)

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Description: QTL associated with multigenic obesity QTL 5. The confidence interval is Chr2:65277459-162502742 bp,+strand
Uploaded: 02 Apr 2012
Species: Mus musculus
Authors: Estrada-Smith D, Collins AR, Wang X, Crockett C, Castellani L, Lusis AJ, Davis RC
Title: Impact of chromosome 2 obesity loci on cardiovascular complications of insulin resistance in LDL receptor-deficient C57BL/6 mice.
Journal: Diabetes Aug 2006 , Vol 55 , pp. 2265-71
Abstract: Previous characterization of mouse chromosome 2 identified genomic intervals that influence obesity, insulin resistance, and dyslipidemia. For this, resistant CAST/Ei (CAST) alleles were introgressed onto a susceptible C57BL/6J background to generate congenic strains with CAST alleles encompassing 67-162 Mb (multigenic obesity 6 [MOB6]) and 84-180 Mb (MOB5) from mouse chromosome 2. To examine the effects of each congenic locus on atherosclerosis and glucose disposal, we bred each strain onto a sensitizing LDL receptor-null (LDLR(-/-)) C57BL/6J background to predispose them to hypercholesterolemia and insulin resistance. LDLR(-/-) congenics and controls were characterized for measures of atherogenesis, insulin sensitivity, and obesity. We identified a genomic interval unique to the MOB6 congenic (72-84 Mb) that dramatically decreased atherosclerosis by approximately threefold and decreased insulin resistance. This region also reduced adiposity twofold. Conversely, the congenic region unique to MOB5 (162-180 Mb) increased insulin resistance but had little effect on atherosclerosis and adiposity. The MOB congenic intervals are concordant to human and rat quantitative trait loci influencing diabetes and atherosclerosis traits. Thus, our results define a strategy for studying the poorly understood interactions between diabetes and atherosclerosis and for identifying genes underlying the cardiovascular complications of insulin resistance.   PUBMED: 16873689
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Ontological Associations:
  • D005947: Glucose (Publication, NCBO Annotator)
  • D006801: Humans (Publication, NCBO Annotator)
  • D051379: Mice (Publication, NCBO Annotator)
  • D002875: Chromosomes (Publication, NCBO Annotator)
  • D040641: Quantitative Trait Loci (Publication, NCBO Annotator)
  • D002889: Chromosomes, Human, Pair 2 (Publication, NCBO Annotator)
  • D051381: Rats (Publication, NCBO Annotator)
  • D050171: Dyslipidemias (Publication, NCBO Annotator)
  • GO:0005694: chromosome (Publication, NCBO Annotator)
  • EDAM_data:1860: QTL map (GeneWeaver Data Type)
  • D016001: Confidence Intervals (Description, NCBO Annotator)
  • MP:0001261: obese (Description, NCBO Annotator; Publication, NCBO Annotator)
  • D006937: Hypercholesterolemia (Publication, NCBO Annotator)
  • D007333: Insulin Resistance (Publication, NCBO Annotator; GeneWeaver Primary Inferred)
  • D050154: Adiposity (Publication, NCBO Annotator)
  • D007328: Insulin (Publication, NCBO Annotator)
  • D050197: Atherosclerosis (Publication, NCBO Annotator)
  • MP:0005178: increased circulating cholesterol level (Publication, NCBO Annotator)
  • MP:0005331: insulin resistance (Publication, NCBO Annotator)
  • MP:0005338: atherosclerotic lesions (Publication, NCBO Annotator)
  • D009765: Obesity (Description, NCBO Annotator; Publication, NCBO Annotator)
  • D000483: Alleles (Publication, NCBO Annotator)

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