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Wagner S Jasinska J Breiteneder H Kundi M Pehamberger H Scheiner O Zielinski CC Wiedermann U 《Breast cancer research and treatment》2007,106(1):29-38
Passive immunotherapy with monoclonal antibodies is a routinely performed but cost intensive treatment against certain cancers.
Induction of humoral anti-tumor responses by active peptide immunization has therefore become a favorable treatment concept.
We have recently identified three peptides representing B-cell epitopes of the extracellular domain of Her-2/neu each of them
inducing Her-2/neu specific immune responses with anti-tumor activity in vitro. The present study was performed to evaluate
the in vivo protective capacity of a combined vaccination with these three peptides in FVB/N transgenic mice spontaneously
developing c-neu overexpressing breast cancers. The three Her-2/neu peptides coupled to tetanus toxoid were administered with or without addition
of recombinant IL-12. At the time all untreated mice had developed tumors about 40% of peptide-immunized mice and nearly 60%
of mice immunized with the peptide vaccine co-applied with IL-12 remained tumor free. Moreover, co-administration of IL-12
had a significant impact on the retardation of tumor progression. The enhanced anti-tumor efficacy of the vaccine by IL-12
was associated with a Th1 biased immune response as demonstrated by an increased IFN-γ production in vitro and elevated Her-2-specific
IgG levels. Our findings clearly demonstrate that this multi-peptide vaccine is effective in tumor prevention and support
its use against minimal disease, drug-resistant tumors or even for prophylaxis against cancers overexpressing Her-2/neu.
Stefan Wagner and Joanna Jasinska contributed equally to this work. 相似文献
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Safety and immunogenicity of an inactivated hepatitis A candidate vaccine in healthy adult volunteers 总被引:5,自引:0,他引:5
G. Wiedermann F. Ambrosch H. Kollaritsch H. Hofmann Ch. Kunz E. D'Hondt A. Delem F.E. Andr A. Safary J. Stphenne 《Vaccine》1990,8(6):581-584
The reactogenicity and immunogenicity of a formaldehyde-inactivated hepatitis A vaccine have been investigated. Three different dose levels of vaccine (180, 360 and 720 ELISA units) were administered to healthy volunteers according to a 0, 1, 2 and 12 month schedule. The vaccine was safe and well tolerated. Reactions observed following vaccination were essentially mild and were not dependent upon the quantity of antigen administered. All subjects had measurable titres of anti-HAV antibodies after the full vaccination course; the immune response to the vaccine was dose-related. Antibody titres in vaccinees at month 13 were between 60- and 190-fold higher than those observed in a group of subjects given anti-HAV immunoglobulin. 相似文献
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W Gritsch M Nagl J Hausdorfer A Gschwendtner C Pechlaner C J Wiedermann 《Wiener klinische Wochenschrift》1999,111(11):446-447
Aerococcus urinae, an uncommon urinary tract pathogen, was recently shown to cause septicaemia and endocarditis in a few patients in Denmark and the Netherlands. In Austria this is the first report of a fatal course of endomyocarditis by Aerococcus urinae, associated with multiple septic infarcts. 相似文献