نتایج جستجو برای: mcardle cells and vldl
تعداد نتایج: 17076115 فیلتر نتایج به سال:
In primary cultures of rat hepatocytes, prostaglandin E2 and prostaglandin D2 (PGE2 and PGD2) inhibited the secretion of very low density lipoprotein (VLDL)-associated apoB, triacylglycerol, and cholesterol. These effects were concentration-dependent and remained apparent for at least 3 days of culture without an effect on the apoB/triacylglycerol ratio of the secreted VLDL. Prostaglandins had ...
Mechanisms leading to acute pancreatitis after a fat-enriched meal combined with excess alcohol are incompletely understood. We have studied the effects of alcohol and fat (VLDL) on pancreatic acinar cell (PAC) function, oxidative stress, and repair mechanisms by pancreatic stellate cells (PSC) leading to fibrogenesis. To do so, PAC (rat) were isolated and cultured up to 24 h. Ethanol and/or VL...
Very low-density lipoprotein cholesterol (VLDL-C), via binding very low-density lipoprotein receptor (VLDLR), can induce the development of atherosclerosis. Besides monocytes, VLDLR expression is detected in various peripheral white blood cells (WBCs), yet its underlying role remains unclear. We thereby aimed to test the hypothesis that VLDLR in all types of peripheral WBCs may be involved in t...
Previous studies have shown that in the absence of dietary lipid, intestinal lymph contains endogenous very low density lipoproteins (VLDL) which are identical to those in plasma in size, flotation rate, composition, and electrophoretic mobility. In order to document that these particles are produced in the mucosa of the small intestine itself, electron microscopic studies of rat and human inte...
Apolipoprotein (apo) B is an obligatory component of very low density lipoprotein (VLDL), and its cotranslational and posttranslational modifications are important in VLDL synthesis, secretion, and hepatic lipid homeostasis. ApoB100 contains 25 cysteine residues and eight disulfide bonds. Although these disulfide bonds were suggested to be important in maintaining apoB100 function, neither the ...
We used wild-type (WT) mice and mice engineered to express either apoB-100 only (B100 mice) or apoB-48 only (B48 mice) to examine the effects of streptozotocin-induced diabetes (DM) on apoB-100- and apoB-48-containing lipoproteins. Plasma lipids increased with DM in WT mice, and fat tolerance was markedly impaired. Lipoprotein profiles showed increased levels and cholesterol enrichment of VLDL ...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
Low density lipoprotein receptor-related protein (LRP) is a recently described cell-surface protein of 4544 amino acids that contains reiterated sequences found in the 839-amino acid receptor for low density lipoprotein (LDL). In the current studies, we purified LRP from rat liver, prepared polyclonal antibodies that recognize the extracellular domain, and demonstrated an immunoreactive protein...
McArdle disease and mitochondrial myopathy impair muscle oxidative phosphorylation (OXPHOS) by distinct mechanisms: the former by restricting oxidative substrate availability caused by blocked glycogen breakdown, the latter because of intrinsic respiratory chain defects. We applied metabolic profiling to systematically interrogate these disorders at rest, when muscle symptoms are typically mini...
The clinical relevance of apoE concentration in lipoprotein fractions should be evaluated. We investigated the impact of the common apolipoprotein (apo) E polymorphism in conjunction with very low density lipoprotein (VLDL) apoE concentration on the receptor binding properties of VLDL preparations from 17 normolipidemic subjects of the HepG2 cell surface receptors. All six apoE genotypes were s...
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