Author:
Parant M A,Parant F J,Chedid L A
Abstract
Necrosis of a variety of transplanted murine tumors can be induced by serum from Mycobacterium bovis BCG-treated mice challenged with a lethal dose of endotoxin. Results reported here show that the tumor necrosis serum (TNS) enhances resistance to infections, protecting mice against two types of challenges, either with Klebsiella pneumoniae or with the intracellular parasite Listeria monocytogenes. Moreover, TNS activity was demonstrated in animals which are refractory to lipopolysaccharide and very susceptible to infections, such as 8-day-old mice and adult C3H/He mice. Protection passively transferred by TNS was not related to antibodies, since it was not decreased by absorption with homologous organisms.
Publisher
American Society for Microbiology
Subject
Infectious Diseases,Immunology,Microbiology,Parasitology
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