Search results for "Niemann-Pick C1 Protein"

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Reduced VLDL clearance in ApoeNpc1 mice is associated with increased Pcsk9 and Idol expression and decreased hepatic LDL-receptor levels

2010

Niemann-Pick type C1 (NPC1) promotes the transport of LDL receptor (LDL-R)-derived cholesterol from late endosomes/lysosomes to other cellular compartments. NPC1-deficient cells showed impaired regulation of liver_X receptor (LXR) and sterol regulatory element-binding protein (SREBP) target genes. We observed that Apoe(-/-)Npc1(-/-) mice displayed a marked increase in total plasma cholesterol mainly due to increased VLDL, reflecting decreased clearance. Although nuclear SREBP-2 and Ldlr mRNA levels were increased in Apoe(-/-)Npc1(-/-) liver, LDL-R protein levels were decreased in association with marked induction of proprotein convertase subtilisin/kexin type 9 (Pcsk9) and inducible degrade…

Apolipoprotein EreceptorCholesterol VLDLLDL/metabolismMacrophages Peritoneal/cytologyBiochemistryMiceEndocrinologyhemic and lymphatic diseasesReceptorsOrphan Nuclear Receptors/geneticspolycyclic compoundsnuclear receptorCells CulturedResearch ArticlesLiver X ReceptorsMice KnockoutCulturedSterol Regulatory Element Binding Protein 2/geneticslipoproteinSerine EndopeptidasesIntracellular Signaling Peptides and ProteinsLamin Type AOrphan Nuclear ReceptorsTriglycerides/bloodCholesterolLiverProteins/geneticsKexinlipids (amino acids peptides and proteins)Proprotein ConvertasesProprotein Convertase 9Sterol Regulatory Element Binding Protein 1Niemann-Pick diseaseSterol Regulatory Element Binding Protein 2medicine.medical_specialtyCellsKnockoutUbiquitin-Protein LigasesReceptors LDL/metabolismSerine Endopeptidases/geneticsQD415-436BiologyCholesterol/blooddigestive systemApolipoproteins ELiver/physiologySterol Regulatory Element Binding Protein 1/geneticsNiemann-Pick C1 ProteinInternal medicinemedicineAnimalsPeritoneal/cytologyCholesterol VLDL/metabolismUbiquitin-Protein Ligases/geneticsLiver X receptorTriglyceridesMacrophagesPCSK9Proteinsnutritional and metabolic diseasesVLDL/metabolismLamin Type A/metabolismCell BiologySterol regulatory element-binding proteinEndocrinologyReceptors LDLLDL receptorMacrophages PeritonealSterol regulatory element-binding protein 2atherosclerosisApolipoproteins E/geneticsLipoproteinJournal of Lipid Research
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