Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Rödl, S; Fuchs, G; Khoshsorur, G; Iberer, F; Tscheliessnigg, KH.
Lipoprotein-induced modulation of cyclosporine-A-mediated immunosuppression.
EUR J CLIN INVEST. 1990; 20(3): 248-252.
Doi: 10.1111/j.1365-2362.1990.tb01851.x
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- Führende Autor*innen der Med Uni Graz
- Roedl Siegfried
- Co-Autor*innen der Med Uni Graz
- Fuchs Gottfried
- Iberer Florian
- Khoschsorur Gholamali
- Tscheliessnigg Karlheinz
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- Abstract:
- Human serum lipoproteins form complexes with cyclosporine-A and act as a carrier of cyclosporine-A in vivo. We compared the immunosuppressive effects of free cyclosporine-A, a complex composed of cyclosporine-A and lipoproteins, free cyclosporine-A in the presence of each unbound lipoprotein, and each lipoprotein without cyclosporine-A with one another at concentrations comparable with in vivo conditions on PHA-stimulated peripheral blood mononuclear cells. Free cyclosporine-A reduced the proliferation of the PHA-stimulated mononuclear cells to 50% at a concentration of 300 ng ml-1 (SD +/- 30, n = 12) lipoprotein-deficient medium. Cyclosporine-A loaded into VLDL showed a 50% proliferation rate reduction at 60 micrograms VLDL ml-1 (SD +/- 10, n = 12) and 180 ng cyclosporine-A ml-1. In the presence of 100 ng ml-1 cyclosporine-A 180 micrograms ml-1 VLDL (SD +/- 25, n = 12) showed a proliferation rate reduction of 50%. In the same way VLDL without cyclosporine-A induced a reduction to 50% at 740 micrograms ml-1 (SD +/- 30, n = 12). Cyclosporine-A loaded into LDL showed a 50% proliferation rate reduction at 27 micrograms ml-1 LDL (SD +/- 5, n = 12) with 80 ng ml-1 cyclosporine-A. In the presence of 100 ng ml-1, cyclosporine-A 150 micrograms ml-1 LDL (SD +/- 25, n = 12) showed a proliferation rate reduction of 50%. In the same way, LDL without cyclosporine-A induced a reduction to 50% at 950 micrograms ml-1 (SD +/- 50, n = 12).(ABSTRACT TRUNCATED AT 250 WORDS)
- Find related publications in this database (using NLM MeSH Indexing)
- Cyclosporins - administration and dosage
- Drug Carriers - administration and dosage
- Humans - administration and dosage
- Immunosuppression - administration and dosage
- Lipoproteins - administration and dosage
- Lipoproteins, HDL - administration and dosage
- Lipoproteins, LDL - administration and dosage
- Lipoproteins, VLDL - administration and dosage
- Lymphocyte Activation - drug effects
- Phytohemagglutinins - pharmacology