edoc-vmtest

Retardation of metastatic tumor growth after immunization with metastasis-specific monoclonal antibodies

Reber, S. and Matzku, S. and Günthert, U. and Ponta, H. and Herrlich, P. and Zöller, M.. (1990) Retardation of metastatic tumor growth after immunization with metastasis-specific monoclonal antibodies. International journal of cancer, Vol. 46, H. 5. pp. 919-927.

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Official URL: http://edoc.unibas.ch/dok/A5249251

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Abstract

The influence of 4 murine monoclonal antibodies (MAbs) directed against surface determinants of a metastasizing rat adenocarcinoma (BSp73ASML) on metastatic spread was evaluated and compared to their in vivo binding as well as to the induction of a humoral anti-MAb response, especially with respect to the development of anti-idiotypic (ID) antibodies of the internal image type. In a protocol of explicit immunization, all 4 MAbs transiently inhibited metastatic growth. Survival was prolonged only with one MAb (4.4ASML). With another MAb (1.1ASML), directed against a new variant form of CD44, metastatic growth was accelerated after transient retardation. Retardation of metastatic growth correlated with the humoral anti-MAb response. This accounted for the isotype- as well as for the idiotype-specific response. An exception was noted after immunization with MAb 1.1ASML. Rats with high levels of anti-1.1ASML antibodies, which inhibited binding to the tumor cells (internal image-type antibodies) showed accelerated metastatic spread. Data are interpreted to mean that MAb-induced inhibition of metastatic spread may be based on 2 independent mechanisms: blockade of metastasis-associated epitopes (i.e., with MAb 1.1ASML) and induction of an anti-mouse Ig response. In the latter case it was irrelevant whether the response was isotype- or idiotype-specific.
Faculties and Departments:03 Faculty of Medicine > Bereich Querschnittsfächer (Klinik) > Pathologie USB > Neuro- und Muskelpathologie (Frank)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Querschnittsfächer (Klinik) > Pathologie USB > Neuro- und Muskelpathologie (Frank)
03 Faculty of Medicine > Bereich Querschnittsfächer (Klinik) > Pathologie USB > Allgemeine Pathologie (Tolnay)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Querschnittsfächer (Klinik) > Pathologie USB > Allgemeine Pathologie (Tolnay)
03 Faculty of Medicine > Bereich Querschnittsfächer (Klinik) > Ehemalige Einheiten Querschnittsfächer (Klinik) > Allgemeine und spezielle Pathologie (Oberholzer)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Querschnittsfächer (Klinik) > Ehemalige Einheiten Querschnittsfächer (Klinik) > Allgemeine und spezielle Pathologie (Oberholzer)
UniBasel Contributors:Günthert, Ursula
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Alan R. Liss
ISSN:0020-7136
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:22 Mar 2012 14:23
Deposited On:22 Mar 2012 13:34

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