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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 62 (1984), S. 593-594 
    ISSN: 1432-1440
    Keywords: Lipoprotein lipase ; Blood-pH in vivo ; Acidosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Diseases associated with acidotic blood-pH, such as chronic renal disease, diabetes mellitus or chronic alcoholism, show a marked impairment of lipoprotein lipase. Therefore we influenced blood-pH in 3 healthy subjects by infusions to get alkalotic, neutral and acidotic blood-pH on three days in series. On each day blood-pH from capillary blood and post-heparin lipoprotein lipase from fasting plasma was determined. In comparison to neutral blood-pH in vivo, alkalosis did not influence lipoprotein lipase. In contrast, during artificial acidosis, lipoprotein lipase was impaired significantly (p〈0.01). Therefore, it seems, that acidosis inhibits lipoprotein lipase in vivo.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Keywords: Hepatic lipase ; Lipoproteins ; Hyperlipemia ; Intermediate-density lipoproteins (IDL)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The main lipoprotein density classes, namely very-low-density lipoproteins (VLDL), intermediate-density lipoproteins (IDL), low-density lipoproteins (LDL), high-density lipoproteins2 (HDL2) and HDL3 were investigated with respect to their influence on hepatic lipase (HTGL) activity in vitro. Lipoproteins from pooled normal plasma (NP) and from pooled hyperlipemic plasma (HP) were prepared by means of sequential ultracentrifugation. Hepatic lipase was determined radioenzymatically after preincubation with protamine sulfate. It could be demonstrated that IDL from HP were able to stimulate HTGL activity by approximately 100% above the baseline value. HDL3 from both NP and HP revealed an inhibiting effect on HTGL activity. VLDL, LDL, and HDL2 exhibited no significant effect on HTGL activity. It is speculated that HTGL could possibly represent a second pathophysiological pathway for the catabolism of IDL in hyperlipemia but this presumption is supported by only a few investigations in vivo.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1440
    Keywords: Diabetes mellitus type I ; Lipid parameters ; Intensified insulin treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Premature atherosclerosis is often found in patients with diabetes mellitus (DM) type I, and alterations in lipid metabolism seem to play an important role in the development of this complication. Intensified insulin therapy improves glycemic control parameters significantly. To evaluate the effect of this optimized insulin treatment (OIT) not only on glycemic control, but also on plasma lipids, 24 patients with DM type I (19 men and 5 women, 18 to 61 years) were switched from a standard insulin therapy to a regimen of OIT which has been maintained for more than 3 years now. After 2 years on OIT a reduction of HbAlc values from 8.1% to 7.5% (p〈0.0l) was accompanied by an increase in HDL cholesterol from 52 to 67 mg/dl (p〈0.05) and a decrease of triglyceride levels from 319 to 67 mg/dl (p〈0.001). At the end of the second year on OIT some of the patients exhibited a reversal of the favorable trend in HbAlc and lipid values. Intensified instructions regarding the implementation of OIT were therefore repeated and resulted in a renewed improvement of overall HbAlc, HDL cholesterol and triglyceride levels to 6.43%, 67 mg/dl, and 78 mg/dl, respectively. Our findings underline the value of OIT not only for glycemic control, but also for the control of plasma lipids considered to be major risk factors for coronary artery disease.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Cardiovascular drugs and therapy 14 (2000), S. 699-700 
    ISSN: 1573-7241
    Keywords: statins ; plasma CRP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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