Mine Disruption Phenotype

Gene Info

  • Species:Mouse (Mus musculus)
  • GeneID:20787
  • Symbol:Srebf1
  • Description:sterol regulatory element binding transcription factor 1
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Gene ID Entry Entry Name Protein Name Type Information
20787 Q9WTN3 SRBP1_MOUSE Sterol regulatory element-binding protein 1 (SREBP-1) (Sterol regulatory element-binding transcription factor 1) [Cleaved into: Processed sterol regulatory element-binding protein 1 (Transcription factor SREBF1)] DISRUPTION PHENOTYPE Mice show high embryonic lethality around day 11 dpc (PubMed:9329978). Surviving mice show a 2-3-fold increase in processed Srebpf2 protein in liver nuclei, 3-fold increase in cholesterol synthesis and 50% increase in cholesterol content of the liver (PubMed:9329978). {ECO:0000269|PubMed:9329978}.; DISRUPTION PHENOTYPE: [Isoform SREBP-1A]: Mice lacking isoform SREBP-1A are resistant to pro-inflammatory toxic shock (PubMed:21531336). Macrophages challenged with bacterial lipopolysaccharide fail to activate lipogenesis as well as hallmarks of inflammasome functions, activation of caspase-1 and secretion of IL1B (PubMed:21531336). {ECO:0000269|PubMed:21531336}.; DISRUPTION PHENOTYPE: [Isoform SREBP-1C]: Mice lacking isoform SREBP-1C show a lack of up-regulation of several lipogenic enzymes in response to high insulin or LXR activation. {ECO:0000269|PubMed:11782483}.