نتایج جستجو برای: low density lipoprotein receptor ldl
تعداد نتایج: 2056114 فیلتر نتایج به سال:
The anti-hypercholesterolemic effect of berbamine (BBM) isolated from Rhizoma Coptidis (RC) was investigated in hypercholesterolemic zebrafish model induced by high-cholesterol (HC) diet. Zebrafish embryo assay revealed no significant difference in morphology and cell death with the treatment of BBM less than 20 μg/mL. In zebrafish larvae, the fluorescently labeled cholesterol in caudal artery ...
Proprotein convertase substilisin/kexin type 9 (PCSK9) promotes the degradation of low-density lipoprotein (LDL) receptor (LDLR) and thereby increases serum LDL-cholesterol (LDL-C). We have developed a humanized monoclonal antibody that recognizes the LDLR binding domain of PCSK9. This antibody, J16, and its precursor mouse antibody, J10, potently inhibit PCSK9 binding to the LDLR extracellular...
Rat ovarian granulosa rely heavily on lipoprotein-derived cholesterol for steroidogenesis, which is principally supplied by the LDL receptor- and scavenger receptor class B type I (SR-BI)-mediated pathways. In this study, we characterized the hormonal and cholesterol regulation of another member of the LDL receptor superfamily, low density lipoprotein receptor-related protein (LRP), and its rol...
The low density lipoprotein (LDL) receptor is well known for its role in mediating the removal of apolipoprotein B (apoB)-containing lipoproteins from plasma. Results from in vitro studies in primary mouse hepatocytes suggest that the LDL receptor may also have a role in the regulation of very low density lipoprotein (VLDL) production. We conducted in vivo experiments using LDLR-/-, LDLR+/-, an...
Hyperlipidemia of nephrotic origin could potentially cause glomerular injury as well as increase the risk of atherosclerosis. The precise interaction of human lipoproteins abnormal in lipid and protein composition, with lipoprotein receptors has not been clearly defined. This study examines receptor-mediated uptake and intracellular cholesterol metabolism of apolipoprotein (apo)B,E containing i...
Human Lp[a] can be fractionated into two species with different affinities for lysine-Sepharose. Forty to 81% of the total Lp[a] in the density fraction 1.055-1.15 g/ml from five individuals was retained by this affinity column. The remaining unretained Lp[a] species with no apparently functional lysine binding site was similar to the retained species in its electrophoretic mobility, lipid, pro...
The atherosclerotic lesion is characterized by the presence of cholesterol-loaded foam cells. Chinese hamster ovary (CHO) cells do not normally store cholesteryl esters because low density lipoprotein (LDL) receptors are suppressed by exposure of these cells to LDL cholesterol. We transfected LDL receptor cDNA linked to the simian virus 40 early promoter into CHO cells (CHO 29) and found that L...
Lectin-like oxidized low-density lipoprotein receptor1 (LOX-1) has been recognized to be the major endothelial receptor for oxidized low-density lipoprotein (ox-LDL). Ox-LDL has been reported to induce the expression of inflammatory adhesive molecules from vascular endothelium. However, the mechanism of this action has not been fully elucidated. Peroxisome proliferation-activated receptor-gamma...
The substrate specificity of lipid transfer protein has been examined in whole plasma in vitro by following the redistribution of high density lipoprotein (HDL)-derived [3H]cholesteryl ester (CE) into apolipoprotein (apo) B-containing lipoproteins using density gradient ultracentrifugation. HDL-derived [3H]CEs were incubated with plasma or isolated lipoprotein classes (very low density lipoprot...
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