X-linked immunodeficient mice as a model for testing the protective efficacy of monoclonal antibodies against Pseudomonas aeruginosa.
AUTOR(ES)
Zweerink, H J
RESUMO
(DBA/N[female] X CBA/2[male])F1 males have been reported to be deficient in producing antibodies against a number of antigens, including carbohydrates (I. Scher, Adv. Immunol. 35:1-71, 1982). We show that F1 male mice, in contrast to females, made less lipopolysaccharide (LPS)-specific antibodies after immunization with heat-inactivated Pseudomonas aeruginosa and had significantly less naturally occurring LPS-specific antibodies. Furthermore, neutropenic males were 50 to 1,000 times more sensitive to challenge with representative isolates belonging to the seven Fisher immunotypes. Administration to neutropenic F1 males of a human monoclonal antibody specific for the O carbohydrates of P. aeruginosa immunotype 2 LPS or administration of serum from rabbits immunized with heat-inactivated P. aeruginosa immunotype 1 raised the level of resistance to bacterial challenge close to that of females. The results show that the X-linked immunodeficient mouse is an excellent model with which to test the protective efficacy of P. aeruginosa-specific monoclonal antibodies.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=259785Documentos Relacionados
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