نتایج جستجو برای: lpl
تعداد نتایج: 1978 فیلتر نتایج به سال:
To investigate the role in lipoprotein metabolism of lipoprotein lipase (LPL) secreted by tissues, we established two cell lines. Fusion plasmids containing either human LPL cDNA or antisense LPL cDNA under control of the cytomegalovirus promoter were transfected into Chinese hamster ovary (CHO) cells, designated as CHO-LPL and CHO-anti-LPL, respectively. CHO-LPL constitutively produced a high ...
Abstract Background The aim of this study was to clarify the differences in morphological features between long plantar ligament (LPL) and short (SPL). Methods This investigation examined 50 legs from 25 Japanese cadavers. LPL SPL each leg were classified into one three types based on shape number fiber bundles. Then, bundle length, width, thickness measured. Results rectangular (Type I) 12%, h...
Diabetes mellitus is associated with a reduction of lipoprotein lipase (LPL) activity and development of hypertriglyceridemia. In the current experiments the mechanisms involved in the regulation of LPL have been examined in control rats, streptozocin-induced diabetic rats, and diabetic rats treated chronically or with a single injection of insulin. Diabetes decreased adipose tissue LPL activit...
there is just one study about the effects of 830 nm low power laser (lpl) on conduction velocity of sural nerve in human. considering the fact that the sural nerve is a pure sensory nerve, therefore, for determining the effect of lpl on electrophysiological parameters of the nerve in human, this study was carried out as a base for further basic and clinical researches. thirty eight normal volun...
Varying glucose and fatty acid (FA) concentrations in the medium of cultured cardiomyocytes from adult rat hearts were tested for effects on lipoprotein lipase (LPL) activity. Glucose (5.5, 11, and 25 mM in the culture medium for 18-22 h) had no effect on either heparin-releasable LPL (HR-LPL) or on cellular LPL (C-LPL) activities. When cardiomyocytes were cultured overnight with 60 μM oleate, ...
There are marked variations in the activity of lipoprotein lipase (LPL) among adipose depots, particularly in women. Consistent with data on LPL activity, the level of expression of LPL mRNA was lower in omental (OM) than subcutaneous (SQ) adipose tissue of women. To investigate the cellular basis of these differences, OM and SQ adipose tissues obtained at surgery from obese men and women were ...
Several studies have suggested that insulin and glucose increase adipose tissue lipoprotein lipase (LPL). To study the mechanism of the glucose-induced stimulation of LPL, the effects of glucose and glycosylation were examined in primary rat adipocyte cultures. In cells cultured in the presence of 1 mg/ml glucose, a 55-kDa LPL protein was synthesized and secreted into the medium, whereas cells ...
Lipoprotein lipase (LPL) synthesis by macrophages is upregulated in early atherogenesis, implicating the possible involvement of LPL in plaque formation. However, it is still unclear whether macrophage-derived LPL displays a proatherosclerotic or an antiatherosclerotic role in atherosclerotic lesion development. In this study, the role of macrophage-derived LPL on lipid metabolism and atheroscl...
Lipoprotein lipase (LPL) acts at the vascular endothelium. Earlier studies have shown that down-regulation of adipose tissue LPL during fasting is post-translational and involves a shift from active to inactive forms of the lipase. Studies in cell systems had indicated that during fasting LPL might be retained in the endoplasmic reticulum. We have now explored the relation between active/inacti...
Vascular smooth muscle cell (VSMC) proliferation is a key event in the development and progression of atherosclerotic lesions. Accumulating evidence suggests that lipoprotein lipase (LPL) produced in the vascular wall may exert proatherogenic effects. The aim of the present study was to examine the effect of LPL on VSMC proliferation. Incubation of growth-arrested human VSMCs with purified endo...
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