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Inhibition of PMN leukocytes chemotaxis by thalidomide

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Summary

The effects of thalidomide on chemotaxis of normal human peripheral blood PMN leukocytes have been studied in vitro. The chemotaxis factor was generated by interacting normal human serum with bovine gamma globulin-antibovine-gamma globulin immune complexes. At concentrations of 1, 10, and 100 μg/ml, thalidomide failed to inhibit the chemotactic factor. At the same concentrations, erythromycin caused a marked inhibition of chemotaxis. Pre-incubation of PMNs with thalidomide or erythromycin caused a marked, dose-independent inhibition of chemotaxis. Random mobility did not appear to be affected.

Inhibition of PMN chemotactic ability by thalidomide may account for its ability to improve inflammatory dermatoses, such as aphtosis.

Zusammenfassung

Die Wirkung von Thalidomid auf die Chemotaxis normaler menschlicher gelapptkerniger Leukocyten im peripheren Blut wurde in vitro untersucht. Der Chemotaxis-Faktor wurde durch Interaktion eines normalen menschlichen Serums mit Rinder-Gammaglobulin-Anti-Rind-Gamma-globulin-Immunkomplexen erzeugt. Bei Konzentrationen von 1, 10 und 100 μg/ml wurde durch Thalidomid keine Inhibition des Chemotaxis-Faktors hervorgerufen. Bei denselben Konzentrationen inhibierte Erythromycin die Chemotaxis deutlich. Eine Präinkubation polymorphkerniger Leukocyten mit Thalidomid oder Erythromycin verursachte eine starke dosisunabhängige Inhibition der Chemotaxis. Die Zufallsmobilität schien dabei nicht betroffen zu sein.

Die Inhibition der chemotaktischen Fähigkeit polymorphonucleärer Leukocyten, verursacht durch Thalidomid, könnte für die Potenz dieses Medikamentes sprechen, entzündliche Dermatosen, wie die Aphtose, günstig zu beeinflussen.

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Abbreviations

MEM:

Minimal Essential Media

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Faure, M., Thivolet, J. & Gaucherand, M. Inhibition of PMN leukocytes chemotaxis by thalidomide. Arch Dermatol Res 269, 275–280 (1980). https://doi.org/10.1007/BF00406421

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  • DOI: https://doi.org/10.1007/BF00406421

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