Academic literature on the topic 'Lipoprotein kinetics'

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Journal articles on the topic "Lipoprotein kinetics"

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Levels, J. H. M., P. R. Abraham, A. van den Ende, and S. J. H. van Deventer. "Distribution and Kinetics of Lipoprotein-Bound Endotoxin." Infection and Immunity 69, no. 5 (2001): 2821–28. http://dx.doi.org/10.1128/iai.69.5.2821-2828.2001.

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ABSTRACT Lipopolysaccharide (LPS), the major glycolipid component of gram-negative bacterial outer membranes, is a potent endotoxin responsible for pathophysiological symptoms characteristic of infection. The observation that the majority of LPS is found in association with plasma lipoproteins has prompted the suggestion that sequestering of LPS by lipid particles may form an integral part of a humoral detoxification mechanism. Previous studies on the biological properties of isolated lipoproteins used differential ultracentrifugation to separate the major subclasses. To preserve the integrity
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Levels, Johannes H. M., Philip R. Abraham, Erik P. van Barreveld, Joost C. M. Meijers, and Sander J. H. van Deventer. "Distribution and Kinetics of Lipoprotein-Bound Lipoteichoic Acid." Infection and Immunity 71, no. 6 (2003): 3280–84. http://dx.doi.org/10.1128/iai.71.6.3280-3284.2003.

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ABSTRACT Lipoteichoic acid (LTA), a major cell wall component of gram-positive bacteria, is an amphipathic anionic glycolipid with structural similarities to lipopolysaccharide (LPS) from gram-negative bacteria. LTA has been implicated as one of the primary immunostimulatory components that may trigger the systemic inflammatory response syndrome. Plasma lipoproteins have been shown to sequester LPS, which results in attenuation of the host response to infection, but little is known about the LTA binding characteristics of plasma lipid particles. In this study, we have examined the LTA binding
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Vergès, Bruno, Laurence Duvillard, Laurent Lagrost, et al. "Changes in Lipoprotein Kinetics Associated With Type 2 Diabetes Affect the Distribution of Lipopolysaccharides Among Lipoproteins." Journal of Clinical Endocrinology & Metabolism 99, no. 7 (2014): E1245—E1253. http://dx.doi.org/10.1210/jc.2013-3463.

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Context: Lipopolysaccharides (LPSs) are inflammatory components of the outer membrane of Gram-negative bacteria and, in plasma, are mostly associated with lipoproteins. This association is thought to promote their catabolism while reducing their proinflammatory effects. Objectives: Our aim was to determine the impact of lipoprotein kinetics on plasma LPS distribution and how it may affect patients with type 2 diabetes mellitus (T2DM). Design: We performed a kinetic study in 30 individuals (16 T2DM patients, 14 controls) and analyzed the impact of changes in lipoprotein kinetics on LPS distribu
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Khalil, Abdelouahed, та Tamàs Fülöp. "A comparison of the kinetics of low-density lipoprotein oxidation induced by copper or by γ-rays: Influence of radiation dose-rate and copper concentration". Canadian Journal of Physiology and Pharmacology 79, № 2 (2001): 114–21. http://dx.doi.org/10.1139/y00-080.

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The oxidation of low-density lipoproteins is the first step in the complex process leading to atherosclerosis. The aim of our study was to compare the kinetics of low density lipoprotein oxidation induced by copper ions or by oxygen free radicals generated by60Co γ-rays. The effects of copper concentration and irradiation dose-rate on LDL peroxidation kinetics were also studied. The oxidation of LDL was followed by the measurement of conjugated diene, hydroperoxides, and thiobarbituric acid reactive substance formation as well as α-tocopherol disappearance. In the case of gamma irradiation, th
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Hu, Yuhong, and Bal Ram Singh. "Comparative Surface Adsorption Behavior of High- and Low-Density Lipoproteins as Analyzed by FT-IR/ATR Spectroscopy." Applied Spectroscopy 49, no. 9 (1995): 1356–60. http://dx.doi.org/10.1366/0003702953965290.

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The adsorption behavior of high-density lipoprotein (HDL) and low-density lipoprotein (LDL) onto a zinc selenide crystal surface and cholesterol-modified ZnSe crystal surface has been studied in terms of adsorption kinetics and isotherms with the use of the FT-IR/ATR technique. Adsorption kinetic plots indicated that the adsorption equilibrium of HDL and LDL is reached at 30–40 min, which is similar to the case for other proteins. From the adsorption isotherms of HDL and LDL, transitions from monolayer adsorption to multilayer adsorption were observed at around 10−5 M for both lipoproteins. We
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Maugeais, C., S. Braschi, K. Ouguerram, et al. "Lipoprotein Kinetics in Patients With Analbuminemia." Arteriosclerosis, Thrombosis, and Vascular Biology 17, no. 7 (1997): 1369–75. http://dx.doi.org/10.1161/01.atv.17.7.1369.

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Netea, Mihai G., Natasja de Bont, Pierre N. M. Demacker, et al. "Lipoprotein(a) Inhibits Lipopolysaccharide-Induced Tumor Necrosis Factor Alpha Production by Human Mononuclear Cells." Infection and Immunity 66, no. 5 (1998): 2365–67. http://dx.doi.org/10.1128/iai.66.5.2365-2367.1998.

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ABSTRACT Lipoproteins can bind lipopolysaccharide (LPS) and decrease LPS-stimulated cytokine production. Lipoprotein(a) [Lp(a)] was as potent as low-density lipoproteins (LDL) in inhibiting LPS-stimulated tumor necrosis factor synthesis by human mononuclear cells. The kinetics of LPS inhibition by Lp(a) was similar to that of LDL. This suggests that circulating Lp(a) may be an important factor determining the amplitude of the response to LPS in humans.
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Murthy, V. N., C. A. Marzetta, L. L. Rudel, L. A. Zech, and D. M. Foster. "Hepatic apo B-100 lipoproteins and plasma LDL heterogeneity in African green monkeys." American Journal of Physiology-Endocrinology and Metabolism 258, no. 6 (1990): E1041—E1057. http://dx.doi.org/10.1152/ajpendo.1990.258.6.e1041.

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The contribution of hepatic apolipoprotein (apo) B-100 lipoproteins to plasma low-density lipoprotein (LDL) metabolic heterogeneity was examined in African green monkeys. Hepatic 3H-labeled very low-density lipoproteins (VLDL) (d less than 1.006, where d is density in g/ml) or hepatic 131I-labeled LDL (1.030 less than d less than 1.063) were isolated from perfused livers and injected simultaneously with autologous plasma 125I-LDL into African green monkeys. Serial blood samples were taken, and the distribution of radioactivity among various subfractions of apo B-100 lipoproteins was determined
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Ooi, E., D. Sprecher, E. Schaefer, M. Diffenderfer, N. Matthan, and H. Barrett. "Abstract: 139 LIPOPROTEIN KINETICS IN SUBJECTS WITH LIPOPROTEIN LIPASE (LPL) GENE MUTATIONS." Atherosclerosis Supplements 10, no. 2 (2009): e245. http://dx.doi.org/10.1016/s1567-5688(09)70249-1.

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Maugeais, Cyrille, Khadija Ouguerram, Regis Frénais, et al. "Effect of Low-Density Lipoprotein Apheresis on Kinetics of Apolipoprotein B in Heterozygous Familial Hypercholesterolemia1." Journal of Clinical Endocrinology & Metabolism 86, no. 4 (2001): 1679–86. http://dx.doi.org/10.1210/jcem.86.4.7428.

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The acute reduction of low-density lipoprotein (LDL) cholesterol obtained by LDL-apheresis allows the role of the high level of circulating LDL on lipoprotein metabolism in heterozygous familial hypercholesterolemia (heterozygous FH) to be addressed. We studied apolipoprotein B (apoB) kinetics in five heterozygous FH patients before and the day after an apheresis treatment using endogenous labeling with [2H3]leucine. Compared with younger control subjects, heterozygous FH patients before apheresis showed a significant decrease in the fractional catabolic rate of LDL (0.24 ± 0.08 vs. 0.65 ± 0.2
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Dissertations / Theses on the topic "Lipoprotein kinetics"

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Ooi, Esther M. M. "Regulation of lipoprotein transport in the metabolic syndrome : impact of statin therapy." University of Western Australia. School of Medicine and Pharmacology, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0125.

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[Truncated abstract] The metabolic syndrome is characterized by cardiovascular risk factors including dyslipidemia, insulin resistance, visceral obesity, hypertension and diabetes. The dyslipidemia of the metabolic syndrome includes elevated plasma triglyceride and apolipoprotein (apo) B levels, accumulation of small, dense low-density lipoprotein (LDL) particles and low high-density lipoprotein (HDL) cholesterol concentration. However, the precise mechanisms for this dyslipoproteinemia, specifically low plasma HDL cholesterol, are not well understood. This thesis therefore, focuses on HDL, it
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Sun, Feifei. "Measurement of Endogenous and Exogenous Triacylglycerol Kinetics in the fed and fasted state using stable isotopes." Thesis, University of Surrey, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492925.

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Emerging evidence has shown that an abnormal postprandial accumulation of dietary tat IS atherogenic. The aim of this study is to measure triacylglycerol (TAG) kinetics in endogenous and exogenous lipoproteins in both fed and fasted states using stable isotopes.
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Alshayji, Iqbal. "Development and application of a novel method to determine large very low density lipoprotein (VLDL1) kinetics." Thesis, University of Glasgow, 2008. http://theses.gla.ac.uk/253/.

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High concentrations of large very low density lipoproteins (VLDL1) give rise to atherogenic dyslipidaemia, which is usually associated with insulin resistant conditions (e.g. obesity) and increases the risk for cardiovascular disease (CVD). Isotopic tracer methods for determining VLDL1 kinetics are costly, time-consuming, labour intensive and need experience and skill to calculate the kinetic parameters. The aim of this thesis was to develop a simpler and cost-effective method of obtaining triglyceride-rich lipoproteins (TRL) kinetic data, based on the fact that chylomicrons (CM) or CM-like pa
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Hirata, Rosario Dominguez Crespo. "Efeito da apolipoproteína B no metabolismo de emulsões semelhantes à fase lipídica da LDL, em ratos." Universidade de São Paulo, 1991. http://www.teses.usp.br/teses/disponiveis/9/9132/tde-13052008-155801/.

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A LDL contitui-se de uma fase lipídica, uma esfera composta principalmente de um núcleo de colesterol esterificado envolto por uma camada de fosfolipídeos. A fase lipídica junta-se uma única molécula protéica, a polipoproteina B (apo B). A LDL é removida da circulação por mediação de receptores específicos, os receptores B. E, que reconhecem não só a apo B da LDL mas também a apo E, que está presente em outras lipoproteínas. Estudou-se neste trabalho a influencia da apo B no metabolismo da LDL, através de um modelo de emulsões semelhantes à fase lipídica da LDL, constituídas de oleato de cole
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Mason, Susan Leigh. "Metabolism of triacylglycerol-rich lipoproteins in sheep." Lincoln University, 1991. http://hdl.handle.net/10182/1756.

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This thesis describes two approaches for studying of lipoprotein metabolism in sheep. The first approach involves the assay of lipoprotein lipase (LPL) activity to determine the role of lipoprotein-triacylglycerol fatty acids in fat deposition in sheep. This enzyme is the rate limiting enzyme in the hydrolysis of fatty acids from lipoprotein-triacylglycerol. The second approach was to characterize and quantify in vivo lipoprotein metabolism using iodinated very low density lipoprotein (¹²⁵I-VLDL) and low density lipoprotein (¹³¹I-LDL). Cross-bred lambs were divided into two treatment groups a
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Uliaque, Cugat Katia. "Implementation of stable isotopes lipoprotein kinetic studies: effects on HDL metabolism of a Mediterranean type diet rich in MUFAs from virgin olive oil." Doctoral thesis, Universitat Rovira i Virgili, 2007. http://hdl.handle.net/10803/8658.

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The anti-atherogenic effects ascribed to a Mediterranean-type diet rich in monounsaturated<br/>fatty acids (MUFAs) from virgin olive oil are due, partly, to an increase in, or maintenance of,<br/>plasma concentrations of high density lipoprotein (HDL) cholesterol. However, the underlying<br/>mechanisms that may explain these concentrations are not well characterised, to-date.<br/>Apolipoprotein (apo) A-I (apoA-I) is the major HDL apo and its kinetic parameters, such as<br/>production rate and catabolic rate, reflect the kinetics of the HDL particle. Our working<br/>hypothesis is as follows: a
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Barrett, P. Hugh R. "The kinetic analysis and computer modelling of lipoprotein metabolism in man." Title page, table of contents and abstract only, 1989. http://web4.library.adelaide.edu.au/theses/09PH/09phb274.pdf.

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Bertato, Marina da Paz. "Cinética plasmática do colesterol livre e do colesterol esterificado e transferência in vitro de lípides para a HDL, utilizando uma nanoemulsão lipídica artificial, em indivíduos com intolerância à glicose." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5135/tde-24062010-142720/.

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O indivíduo com diabetes mellitus tipo 2 apresenta um risco de 2 a 4 vezes maior de desenvolver doença cardiovascular (DCV) quando comparado ao não-diabético, sendo que este aumento do risco para o desenvolvimento da DCV também é observado quando na intolerância à glicose (IG) que ocorre em fases mais precoces da história natural do diabetes. Atribui-se ser a presença da síndrome metabólica (SM), que ocorre na maioria dos pacientes com DM2 e IG, um fator importante para o desenvolvimento da DCV nestes indivíduos. Dos componentes da SM, inúmeros estudos destacam a dislipidemia como um dos princ
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Padoveze, Amanda Felippe. "Cinética plasmática e biodistribuição de colesterol livre e colesterol esterificado de uma nanoemulsão (LDE) que se liga aos receptores de LDL em animais controle e com indução de aterosclerose." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/5/5131/tde-25062009-120520/.

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Estudos anteriores em nosso laboratório demonstraram que pacientes portadores de DAC apresentam diferenças no metabolismo do CL e CE de uma nanoemulsão artificial rica em colesterol (LDE), nos quais o CL apresentou maior remoção plasmática e depósito arterial. Dando continuidade a esta linha de pesquisa, neste trabalho foram avaliadas a cinética plasmática, representada pela taxa fracional de remoção (TFR), e a captação do 3H-colesterol livre (3H - CL) e 14C - colesterol esterificado (14C - CE) da LDE por segmentos arteriais e por órgãos de coelhos normais (n=17) e coelhos submetidos à indução
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Oliveira, Carolina Piras de. "Estudo da cinética plasmática do colesterol livre e esterificado em pacientes diabéticos tipo 2 com ou sem doença coronariana diagnosticada." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5135/tde-10032010-100945/.

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INTRODUÇÃO:. A dislipidemia diabética é um dos principais fatores de risco para doença arterial coronária (DAC) O uso de uma nanoemulsão LDL-símile para avaliar clearance do éster de colesterol(EC) e colesterol livre(CL) do intravascular mostrou uma remoção acentuada do CL e um maior depósito em vasos sanguíneos de indivíduos com DAC avançada. OBJETIVOS: Identificar em DM2 a cinética plasmática do CL e EC; se há diferença na cinética de CL e EC em DM2 assintomáticos para DAC com e sem aterosclerose subclínica. MÉTODOS: Estudou-se 12 DM2 e 09 controles pareados para idade e sexo. A ateroscleros
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Book chapters on the topic "Lipoprotein kinetics"

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Duverger, Nicolas, Nordine Ghalim, Nathalie Theret, et al. "Lipoprotein A-I Containing Particles." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_12.

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Olivecrona, Thomas, Gunilla Bengtsson-Olivecrona, Magnus Hultin, et al. "What Factors Regulate the Action of Lipoprotein Lipase?" In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_41.

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Brewer, H. B., D. J. Rader, J. M. Hoeg, A. Mann, and G. Tennyson. "Recent Advances in Lipoprotein Metabolism and the Genetic Dyslipoproteinemias." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_29.

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Fojo, S. S., J. L. de Gennes, U. Beisiegel, et al. "Molecular Genetics of ApoC-II and Lipoprotein Lipase Deficiency." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_40.

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Chamberlain, J. C., J. A. Thorn, R. Morgan, et al. "Genetic Variation at the Lipoprotein Lipase Gene Associates with Coronary Arteriosclerosis." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_32.

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Alaupovic, P., D. H. Blackenhorn, C. Knight-Gibson, et al. "ApoB-Containing Lipoprotein Particles as Risk Factors for Coronary Artery Disease." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_36.

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Djavaheri, Mojgan, and Lawrence P. Aggerbeck. "Investigation of Structural Domains in Human Serum Low Density Lipoprotein Apolipoprotein B100." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_4.

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Marcel, Yves L., Alan R. Tall, Mireille Hogue, Ross W. Milne, and Ruth McPherson. "Plasma Lipoprotein Phenotype in Response to Cholesteryl Ester Transfer Protein Levels in Dyslipoproteinemia." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_9.

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Orekhov, Alexander N., and Vladimir V. Tertov. "Antibody-Like Immunoglobulins G Against Low Density Lipoprotein that Stimulate LIPID Accumulation in Cultured Cells." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_48.

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Van Tol, A., T. Van Gent, L. M. Scheek, et al. "Lipoprotein Structure and Metabolism During Progression and Regression of Atherosclerosis in Pigs Fed With Fish Oil-Derived Fatty Acids." In Hypercholesterolemia, Hypocholesterolemia, Hypertriglyceridemia, in Vivo Kinetics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5904-3_50.

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Conference papers on the topic "Lipoprotein kinetics"

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Babushkina, G. V., and A. V. Kartelishev. "Kinetics of blood lipoprotein spectrum indices in patients with angina pectoris during and after low-intensity laser therapy as a paraclinical criterion for treatment efficiency." In Low-Level Laser Therapy, edited by Tatiana I. Solovieva. SPIE, 2001. http://dx.doi.org/10.1117/12.425514.

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