𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Active, specific immunotherapy of murine leukemia. I. Irradiated tumor cell vaccine

✍ Scribed by Gerald L. Bartlett; John W. Kreider; Dallas M. Purnell

Publisher
John Wiley and Sons
Year
1979
Tongue
French
Weight
674 KB
Volume
24
Category
Article
ISSN
0020-7136

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✦ Synopsis

Abstract

This report describes a new animal model for active, specific, systemic immunotherapy of leukemia. Mice were challenged (day 0) with 10^3^ viable LSTRA cells and treated later with a vaccine containing 10^7^ irradiated LSTRA cells. Four intraperitoneal or intravenous vaccine injections, on days 2, 9, 16 and 23, caused significant prolongation of survival; single injections by the same routes had inconsistent effects. Vaccine was not effective against a higher initial challenge dose, when given later in the course of tumor growth, when given intradermally or when used in weanling mice. The therapeutic effect was specific since a vaccine composed of an antigenically unrelated leukemia was ineffective. These results suggest that LSTRA is suitable for studying active, systemic, specific immunotherapy.

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