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  • Title: [Nonspecific prophylaxis and therapy of Pseudomonas aeruginosa wound-infections with paramunization using a mouse-model (author's transl)].
    Author: Mayr A, Himmer B, Baljer G, Sailer J.
    Journal: Zentralbl Bakteriol Orig A; 1979 Sep; 244(4):506-14. PubMed ID: 232340.
    Abstract:
    The effectiveness of paramunization as a antigen nonspecific method to activate mechanisms against wound-infections due to Pseudomonas aeruginosa was studied using a model of direct infection of mice with a "mice-pathogenic" Ps. aeruginosa strain on artificially set wounds. Active paramunization by means of a biological inducer "PIND-AVI" (M-HP 438) significantly reduced the mortality rate between treated and placebo animals. The best results were obtained by parenteral prophylactic application. A four times repeated injection of PIND-AVI before the wound-infection reduced the mortality rate from 80% (placebo animals) to 26.6%. Almost equally good results were obtained by clinically useful therapeutic application of the preparation. A four times repeated treatment of the mice after wound infection lead to a decrease of mortality rates from 86.6% to 36.6%. The paramunization inducer PIND-AVI caused no side effect in any of the experiments. The mode of inducer action in Pseudomonas aeruginosa wound infections appears to be complex. Increased phagocytosis by nonspecific opsonisation, increased macrophage activity and concurrent stimulation of the lymphopoetic system could possible occur. On the other hand the nonspecific action of mediators could also play a role due to the inducer stimulated T-cells and cellular antigens of Pseudomonas aeruginosa. However both mechanisms in cooperation with specific and nonspecific humoral factors are probably interacting together. To what extent a simultaneous synthesis resp. release of endogeneous interferon plays a role is not known.
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