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Antitumoral Vaccination with Granulocyte-Macrophage Colony-Stimulating Factor or Interleukin-12-Expressing Dhd/K12 Colon Adenocarcinoma Cells
Lechanteur, Chantal; Moutschen, Michel; Princen, Frederic et al.
2000In Cancer Gene Therapy, 7 (5), p. 676-82
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Abstract :
[en] Immunomodulating gene therapy for the treatment of malignant diseases is under extensive investigation. In this study, we induced an antitumoral immune response with murine interleukin-12 (mIL-12) and murine granulocyte-macrophage colony-stimulating factor (GM-CSF)-secreting tumor cells in a model of peritoneal carcinomatosis. Intraperitoneal injection of DHD/K12 tumoral cells engineered to produce IL-12 or GM-CSF did not generate any tumors, whereas untransduced DHD/K12 cells gave rise to peritoneal carcinomatosis. IL-12-expressing DHD/K12 cells also protected against tumors derived from coinjected parental cells. To test whether cytokine-producing cells could elicit a memory antitumoral immune response, animals received a challenge with parental DHD/K12 cells 35 days after the injection of proliferating or irradiated DHD/K12 engineered cells. Under our experimental conditions, irradiated tumor cells did not generate any antitumoral immunity. In contrast, tumor development was delayed and survival increased in the animals vaccinated with cytokine-secreting proliferating cells. A specific cytotoxic T-lymphocyte response against DHD/K12 parental cells was observed after vaccination with GM-CSF-expressing cells. Our results demonstrated that intraperitoneal vaccination with IL-12- or GM-CSF-expressing adenocarcinoma cells induced a systemic immune antitumoral response that may be useful as an adjuvant therapy after surgical resection of colorectal cancer.
Disciplines :
Oncology
Author, co-author :
Lechanteur, Chantal ;  Centre Hospitalier Universitaire de Liège - CHU > Hématologie clinique
Moutschen, Michel  ;  Université de Liège - ULiège > Département des sciences cliniques > Immunopathologie - Transplantation
Princen, Frederic
Lopez, Marie-Josée ;  Université de Liège - ULiège > Département des sciences cognitives > Département des sciences cognitives
Franzen, E.
Gielen, Jacques
Bours, Vincent ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Génétique générale et humaine
Merville, Marie-Paule ;  Université de Liège - ULiège > Département de pharmacie > Chimie médicale
Language :
English
Title :
Antitumoral Vaccination with Granulocyte-Macrophage Colony-Stimulating Factor or Interleukin-12-Expressing Dhd/K12 Colon Adenocarcinoma Cells
Publication date :
May 2000
Journal title :
Cancer Gene Therapy
ISSN :
0929-1903
eISSN :
1476-5500
Publisher :
Nature Publishing Group, United Kingdom
Volume :
7
Issue :
5
Pages :
676-82
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 August 2009

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