نتایج جستجو برای: lipoprotein lipase
تعداد نتایج: 60957 فیلتر نتایج به سال:
Acetone powder extracts prepared from cultured pig aortic smooth muscle cells and the culture medium from these cells (particularly when incubated with heparin) were shown to contain a lipolytic enzyme which was identified as lipoprotein lipase by the following criteria: 1) stimulation by apolipoprotein C-II; 2) an optimal activity at approximately pH 8.0; 3) inhibition by NaCl, and 4) binding ...
Rats fed a diet deficient in essential fatty acids have a low level of serum very low density lipoproteins (VLDL). It was found that after intraperitoneal injection of heparin, deficient rats had a higher level of lipoprotein lipase activity in their plasma than did normal rats. VLDL isolated from serum of normal and deficient rats were compared as substrates for postheparin lipase of rat plasm...
Since Hahn’s observation of the postalimentary lipemia clearing actIvity following the injection of heparin, physiological, biochemical and clinical significances of the postheparin lipoprotein lipase have been well clarified. The presence of the endogenous lipoprotein lipase in human blood, which was at first doubted, has been repeatedly confirmed2∼8. Recent papers9,10 described elevated endog...
The influence of training-induced adaptations in skeletal muscle tissue on lipoprotein metabolism was investigated in six healthy men. The knee extensors were studied at rest and during exercise after 8 wk of dynamic exercise training of the knee extensors of one leg, while the other leg served as a control. The trained and nontrained thighs were investigated on different occasions. In the trai...
Increasing numbers of materials have been extensively used as platforms for enzyme immobilization to improve catalytic performance. However, activity of the most of the enzymes was declined after immobilization. Here, we develop a surfactant-activated lipase-inorganic flowerlike hybrid nanomaterials with rational design based on interfacial activation and self-assembly. The resulting surfactant...
A rapid assay for lipoprotein lipase activity employing a (14)C-labeled substrate is described. The method is very sensitive and suitable for routine use.
The aim of this study was to determine whether the increase in lipoprotein lipase activity displayed by the adipose tissue of obese (Ja/fa) rats as compared with that of lean (Fa/fa) rats could be ascribed to a change in the content or in the catalytic properties of the enzyme. The question was addressed in rats of two ages: in 7-day-old suckling and in 30-day-old post-weaning pups. Inguinal fa...
1. Isolated cardiac-muscle cells from the hearts of adult rats were shown to retain a high amount of viability during 4h of incubation when viability was assessed by Trypan Blue stain exclusion and intracellular enzyme leakage. 2. The cells also retained their ability to take up °2 and utilize added substrates over the period of incubation at both 25 and 300C. 3. When cells from the hearts of f...
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