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1996-02-26
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Document 0748
DOCN M9620748
TI Regression of established tumors in mice mediated by the oral
administration of a recombinant Listeria monocytogenes vaccine.
DT 9602
AU Pan ZK; Ikonomidis G; Pardoll D; Paterson Y; Department of Microbiology,
University of Pennsylvania,; Philadelphia 19104-6076, USA.
SO Cancer Res. 1995 Nov 1;55(21):4776-9. Unique Identifier : AIDSLINE
MED/96046570
AB We have shown previously that Listeria monocytogenes, a gram-positive,
facultative intracellular bacterium, is a potent vector for targeting
tumor-specific antigens to the immune system. After parenteral
administration, we observed protection against both renal and colorectal
mouse tumors and regression of established renal tumors. In the present
study, we have exploited the fact that the normal route of infection of
this organism is through the gut. We show that an L. monocytogenes
recombinant that expresses a model tumor antigen is an effective cancer
immunotherapeutic agent when delivered orally in that it causes
regression of established, macroscopic mouse renal and colorectal tumors
expressing the same antigen.
DE Administration, Oral Animal Antigens, Neoplasm/IMMUNOLOGY Antigens,
Viral/GENETICS/IMMUNOLOGY Bacterial Vaccines/*THERAPEUTIC USE
Carcinoma, Renal Cell/IMMUNOLOGY/THERAPY Colonic
Neoplasms/IMMUNOLOGY/THERAPY Gene Products, gag/METABOLISM
Immunotherapy, Active Kidney Neoplasms/IMMUNOLOGY/THERAPY Listeria
monocytogenes/GENETICS/*IMMUNOLOGY Melanoma, Experimental/THERAPY Mice
Mice, Inbred BALB C Mice, Inbred C57BL Neoplasms,
Experimental/IMMUNOLOGY/*THERAPY Nucleoproteins/IMMUNOLOGY Recombinant
Proteins/GENETICS/IMMUNOLOGY Support, Non-U.S. Gov't Support, U.S.
Gov't, P.H.S. T-Lymphocytes, Cytotoxic/IMMUNOLOGY Transduction,
Genetic Tumor Cells, Cultured Vaccines, Synthetic/*THERAPEUTIC USE
Viral Core Proteins/IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).