Biomaterial Database

Evaluation of monoclonal idiotypic-specific antibodies as clearing antibodies for enhancement of target localisation by tumour-specific monoclonal antibodies: diversity of effects in nude mice with human tumour xenografts. 1992

M V Pimm, and S J Gribben

Cancer Research Campaign Laboratories, University of Nottingham, University Park, UK.

Three tumour-specific monoclonal antibodies (MoAbs) showed localisation in human tumour xenografts in nude mice, although the tumour discrimination was limited by the survival of a greater proportion of the MoAb in the blood and body as a whole. An attempt was made to increase tumour discrimination by the subsequent administration of syngeneic idiotypic-specific MoAbs (anti-id) directed against the first antibodies, in the expectation of clearing excess of the first MoAb from the circulation. With one MoAb (NCRC-2), its anti-id (NCRC-60) did effectively clear it from the blood, and, at least within a few hours, the tumour-to-blood ratios were increased. After longer periods, however, the tumour levels of NCRC-2 were also reduced, and the tumour discrimination was no longer increased. With another MoAb (NCRC-23) the tumour levels were reduced to a greater extent than were the blood levels in mice treated with its anti-id (NCRC-59), so that rather than being increased the tumour discrimination was actually reduced to about a third of that in control mice. With a third MoAb (NCRC-48), there was no effect on the tumour or blood levels within a few hours of injection of its anti-id (NCRC-62), and so there was no short-term effect on tumour discrimination. Subsequently, however, the tumour levels were slightly reduced, while the blood levels increased in mice treated with anti-id compared with control mice, so that the tumour-to-blood ratios decreased.(ABSTRACT TRUNCATED AT 250 WORDS)

UI	MeSH Term	Description	Entries
D008819	Mice, Nude	Mutant mice homozygous for the recessive gene "nude" which fail to develop a thymus. They are useful in tumor studies and studies on immune responses.	Athymic Mice,Mice, Athymic,Nude Mice,Mouse, Athymic,Mouse, Nude,Athymic Mouse,Nude Mouse
D009368	Neoplasm Transplantation	Experimental transplantation of neoplasms in laboratory animals for research purposes.	Transplantation, Neoplasm,Neoplasm Transplantations,Transplantations, Neoplasm
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
D013997	Time Factors	Elements of limited time intervals, contributing to particular results or situations.	Time Series,Factor, Time,Time Factor
D014018	Tissue Distribution	Accumulation of a drug or chemical substance in various organs (including those not relevant to its pharmacologic or therapeutic action). This distribution depends on the blood flow or perfusion rate of the organ, the ability of the drug to penetrate organ membranes, tissue specificity, protein binding. The distribution is usually expressed as tissue to plasma ratios.	Distribution, Tissue,Distributions, Tissue,Tissue Distributions
D014183	Transplantation, Heterologous	Transplantation between animals of different species.	Xenotransplantation,Heterograft Transplantation,Heterografting,Heterologous Transplantation,Xenograft Transplantation,Xenografting,Transplantation, Heterograft,Transplantation, Xenograft
D016719	Radioimmunodetection	Use of radiolabeled antibodies for diagnostic imaging of neoplasms. Antitumor antibodies are labeled with diverse radionuclides including iodine-131, iodine-123, indium-111, or technetium-99m and injected into the patient. Images are obtained by a scintillation camera.	Immunoscintigraphy, Radiolabeled,Radioimmunoimaging,Radioimmunoscintigraphy,Immunoscintigraphy, Radiolabelled,Radiolabeled Immunoscintigraphy,Radiolabelled Immunoscintigraphy,Immunoscintigraphies, Radiolabeled,Immunoscintigraphies, Radiolabelled,Radioimmunodetections,Radioimmunoimagings,Radioimmunoscintigraphies,Radiolabeled Immunoscintigraphies,Radiolabelled Immunoscintigraphies
D051379	Mice	The common name for the genus Mus.	Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus