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Antibacterial immunity and its modeling in experimental tumor tetanus and wound tetanus of the mouse



Antibacterial immunity and its modeling in experimental tumor tetanus and wound tetanus of the mouse



Journal of Theoretical Biology 126(1): 15-32



The experimental and theoretical analysis of the tumor-tetanus phenomenon has provided us with new insights into the pathogenesis of tetanus infection. Our theoretical model of clostridial propagation in the proliferating tissue is based upon the principle of mitosis-controlled rod division (hit and cloning model). It has lent itself to the description of early growth stages of the clostridial rod population in our experiments of tumor tetanus and of wound tetanus of the mouse. However, the later course of the tetanus lethality curves under antitoxin protection, about a week following injection of the tumor cell-spore or CaCl2-spore suspension, reveals a pronounced delay in clostridial propagation. Based on our model we can explain this process by a humoral immune reaction directed against the clostridial rods taking into account the variability of elimination of the heterologous tetanus antitoxin applied. The experimental results are in good agreement with those obtained by computer simulation. The theoretical knowledge resulting from these studies can be used for the interpretation of the serodiagnostic tumor test with apathogenic clostridial as well as for the quantitative assessment of the malignancy of neoplastic growth.

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Accession: 004761191

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PMID: 3657225

DOI: 10.1016/s0022-5193(87)80098-x


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