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Induction of antitumor immunity by an anti-idiotype antibody mimicking carcinoembryonic antigen. 1997

S Pervin, and M Chakraborty, and M Bhattacharya-Chatterjee, and H Zeytin, and K A Foon, and S K Chatterjee
Department of Obstetrics and Gynecology, University of Kentucky Medical Center, Lexington 40536-0096, USA.

Carcinoembryonic antigen (CEA) is a tumor-associated antigen expressed on most gastrointestinal adenocarcinomas and is a putative target for cancer immunotherapy. We developed a murine monoclonal anti-idiotype (anti-Id) antibody, 3H1, which mimics a specific epitope of CEA, for cancer immunotherapy. In this study, the efficacy of 3H1 as a tumor vaccine was evaluated in a murine tumor model. In this model, the murine colorectal cancer cell line MC-38 was transduced with the human CEA gene and injected into syngeneic C57BL/6 (H-2b) mice. Immunization of naive mice with 3H1 conjugated with keyhole limpet hemocyanin Freund's adjuvant induced humoral and cellular anti-3H1 as well as anti-CEA immunity. Mice immunized with 3H1 were protected against a challenge with lethal doses of MC-38-cea, whereas no protection was observed when 3H1 vaccinated mice were challenged with CEA negative MC-38 cells or when mice were vaccinated with an unrelated anti-Id antibody and challenged with MC-38-cea cells (P < 0.003). These data demonstrate that the 3H1 vaccine can induce protective CEA-specific antitumor immunity.

UI MeSH Term Description Entries
D007111 Immunity, Cellular Manifestations of the immune response which are mediated by antigen-sensitized T-lymphocytes via lymphokines or direct cytotoxicity. This takes place in the absence of circulating antibody or where antibody plays a subordinate role. Cell-Mediated Immunity,Cellular Immune Response,Cell Mediated Immunity,Cell-Mediated Immunities,Cellular Immune Responses,Cellular Immunities,Cellular Immunity,Immune Response, Cellular,Immune Responses, Cellular,Immunities, Cell-Mediated,Immunities, Cellular,Immunity, Cell-Mediated,Response, Cellular Immune
D007167 Immunotherapy Manipulation of the host's immune system in treatment of disease. It includes both active and passive immunization as well as immunosuppressive therapy to prevent graft rejection. Immunotherapies
D008810 Mice, Inbred C57BL One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases. Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D002272 Carcinoembryonic Antigen A glycoprotein that is secreted into the luminal surface of the epithelia in the gastrointestinal tract. It is found in the feces and pancreaticobiliary secretions and is used to monitor the response to colon cancer treatment. Antigens, CD66e,CD66e Antigen,Antigen, CD66e,Antigen, Carcinoembryonic,CD66e Antigens
D005260 Female Females
D006433 Hemocyanins Metalloproteins that function as oxygen transport proteins in the HEMOLYMPH of MOLLUSKS and ARTHROPODS. They are characterized by two copper atoms, coordinated with HISTIDINE residues, that reversibly bind a single oxygen molecule; they do not contain HEME groups. Hemocyanin,alpha-Haemocyanin,alpha-Hemocyanin,alpha-Hemocyanins,alpha Haemocyanin,alpha Hemocyanin,alpha Hemocyanins
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000888 Antibodies, Anti-Idiotypic Antibodies which react with the individual structural determinants (idiotopes) on the variable region of other antibodies. Anti-Antibodies,Anti-Idiotype Antibodies,Antibodies, Internal Image,Antigamma Globulin Antibodies,Antiglobulins,Anti Antibodies,Anti-gamma Globulin Antibodies,Anti Idiotype Antibodies,Anti gamma Globulin Antibodies,Anti-Idiotypic Antibodies,Antibodies, Anti,Antibodies, Anti Idiotypic,Antibodies, Anti-Idiotype,Antibodies, Anti-gamma Globulin,Antibodies, Antigamma Globulin,Globulin Antibodies, Anti-gamma,Globulin Antibodies, Antigamma,Image Antibodies, Internal,Internal Image Antibodies
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal

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