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Antitumor effects of Newcastle Disease Virus in vivo: Local versus systemic effects

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Newcastle Disease Virus (NDV) has interesting anti-neoplastic and pleiotropic immune stimulatory properties. The virus preferentially replicates in and kills tumor cells and appears to be safe and to varying degrees effective in phase II-clinical studies in the US and in Europe. Here we have compared various lytic and non-lytic strains of NDV with regard to their antitumor effects after local or systemic application. As tumor models we used human metastatic melanoma xenotransplants in nude mice and murine metastatic colon carcinoma (CT26), renal carcinoma (Renca) and lymphoma (ESb) cell lines. Intra or peri-tumoral application of NDV or NDV infected tumor cells showed more pronounced antitumor activity than systemic application even when in the latter case much higher dose ranges were used. In the CT26 colon carcinoma model the non-lytic strain Ulster showed stronger antitumor activity than the lytic strain 73T. In the human MeWo melanoma xentransplant model strong antitumor bystander effects were observed by 20% admixture of melanoma cells pre-infected in vitro with NDV (either strain Ulster or Italien). Virus therapy of pre-established human melanomas by intra-tumoral injection of NDV was effective with the lytic strain Italien but not with the non-lytic strain Ulster. Systemic anti-metastatic effects were never observed with NDV alone in contrast to previous results obtained with NDV modified tumor vaccines.
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Document Type: Research Article

Affiliations: German Cancer Research Center, Division of Cellular Immunology, Tumorimmunology Program, D-69120 Heidelberg, Germany

Publication date: May 1, 2001

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  • The International Journal of Oncology provides an international forum for the publication of the latest, cutting-edge research in the broad area of oncology and cancer treatment. The journal accepts original high quality works and reviews on all aspects of oncology research including carcinogenesis, metastasis, epidemiology, chemotherapy and viral oncology. Through fair and efficient peer review, the journal is dedicated to publishing top tier research in the field, offering authors rapid publication as well as high standards of copy-editing and production. The International Journal of Oncology is published on a monthly basis in both print and early online.
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