نتایج جستجو برای: ac ldl uptake
تعداد نتایج: 193381 فیلتر نتایج به سال:
Studies were carried out in mice utilizing inhibitors of several cell surface molecules to evaluate their relative roles in chylomicron remnant removal. Anti-LDL receptor antibody inhibited approximately 45% of rapid remnant removal from plasma, prolonged their half life (63 s to 115 s) and reduced hepatic uptake by 45%. Receptor-associated protein (RAP) (1 mg/mouse), a high affinity inhibitor ...
abstract background and objective: t3 resin uptake test indicates the availability of thyroxin binding globulin (tbg), which is the carrier of a large amount of t3 and t4 in blood. we aimed to study the relationship between serum t3 resin uptake and serum lipids profile. material and methods: the participants aged 14.80 ± 38.29 were both males (59 29.5%) and females (141 70.5 %). t3 resin uptak...
background: synthetic dyes have several harmful effects on human health as well as aquatic life. in this study, activated carbon (av-ac), based on aloe vera leaf shells, was used as a novel agricultural adsorbent, one that is low-cost and available for the removal of congo red (cr) as a carcinogenic dye from aqueous solutions. methods: in the batch system, the influence of different parameters ...
The scavenger receptor class B, type I (SR-BI) mediates the cellular selective uptake of cholesteryl esters and other lipids from high-density lipoproteins (HDL) and low-density lipoproteins (LDL). This process, unlike classical receptor-mediated endocytosis, does not result in lipoprotein degradation. Instead, the lipid depleted particles are released into the medium. Here we show that selecti...
Background: Synthetic dyes have several harmful effects on human health as well as aquatic life. In this study, activated carbon (AV-AC), based on Aloe vera leaf shells, was used as a novel agricultural adsorbent, one that is low-cost and available for the removal of Congo red (CR) as a carcinogenic dye from aqueous solutions. Methods: In the batch system, the influence of different paramete...
Recent evidence suggests the possibility that macrophages can influence lipoprotein metabolism. Therefore we investigated the ability of cultured macrophages to alter low density lipoprotein (LDL) uptake in a human liver cell line (HepG2). Conditioned media from phlogogenic-induced mouse peritoneal macrophages or from a human macrophage cell line stimulated with endotoxin increased HepG2 LDL up...
Mammalian cells acquire cellular cholesterol by de novo synthesis as well as by uptake of low density lipoprotein (LDL). Peroxisomes contain enzymes involved in the synthesis of cholesterol, and peroxisome-deficient (PD) patients have been shown to have hypocholesterolemia and abnormal LDL. We therefore decided to study whether cholesterol synthesis and cellular uptake of LDL are impaired in cu...
There is indirect evidence that the oxidation of low density lipoprotein (LDL) may be involved in the development of atherosclerosis. Modification of LDL by oxidation may lead to its unregulated uptake by intimal macrophages to form foam cells. Because of the complexity of events occurring during LDL oxidation, we have tested whether LDL modified directly with 4-hydroxynonenal (HNE), a major pr...
Pharmacologic doses of 17a-ethinyl estradiol have been reported to cause a marked lowering of plasma lipoprotein levels in the rat. The drop in plasma low density lipoprotein (LDL) is associated with enhanced uptake of LDL by the liver. In the current studies, we show that membranes prepared from livers of ethinyl estradiol-treated rats exhibit a 3to lo-fold increase in saturable binding sites ...
The xanthophylls, lutein and zeaxanthin, are dietary carotenoids that selectively accumulate in the macula of the eye providing protection against age-related macular degeneration. To reach the macula, carotenoids cross the retinal pigment epithelium (RPE). Xanthophylls and β-carotene mostly associate with HDL and LDL, respectively. HDL binds to cells via a scavenger receptor class B1 (SR-B1)-d...
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