ArticleWorld journal of gastroenterology2004
Transfection of IL-2 and/or IL-12 genes into spleen in treatment of rat liver cancer.
Article in World journal of gastroenterology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 15 citations in OpenAlex.
- Dynamics of the spleen and its significance in a murine H22 orthotopic hepatoma model.Experimental biology and medicine (Maywood, N.J.) · 2016Article
- Potential immunotherapeutic role of interleukin-2 and interleukin-12 combination in patients with hepatocellular carcinoma.Journal of hepatocellular carcinoma · 2014Article
- Associations between polymorphisms in IL-12A, IL-12B, IL-12Rβ1, IL-27 gene and serum levels of IL-12p40, IL-27p28 with esophageal cancer.Journal of cancer research and clinical oncology · 2012Article
- Immunotherapy of cancer by IL-12-based cytokine combinations.Expert opinion on biological therapy · 2007Review
- Gene therapy of liver cancer.World journal of gastroenterology · 2006Review
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimTo test the efficacy of gene therapy in rat liver tumor.
methodsA retroviral vector GCIL12EIL2PN encoding human IL-2 (hIL-2) and mouse IL-12 (mIL-12) fused gene and its packaging cell were constructed. The packaging cell lines contained of IL-2 and/or IL-12 genes were injected intrasplenically to transfect splenocyte at different time. The therapeutic effect, immune function and toxic effect were evaluated.
resultsThe average survival times of the 4 groups using IL genes at days 1, 3, 5 and 7 after tumor implantation were 53.3+/-3.7, 49.3+/-4.2, 31.0+/-2.1 and 24.3+/-1.4 d respectively in IL-2/IL-12 fused gene group, 25.0+/-2.5, 23.5+/-2.0, 18.3+/-2.4 and 12.0+/-1.8 d respectively in IL-2 gene treatment group, and 39.0+/-4.8, 32.0+/-3.9, 23.0+/-2.5 and 19.4+/-2.1 d respectively in IL-12 gene treatment group (P<0.01, n=10). In the IL-12/IL-2 fused gene treatment group, 30% of rats treated at days 1 and 3 survived more than 60 d and serum mIL-12 and hIL-2 levels were still high at day 3 after treatment. Compared with IL alone, NK cell activity was strongly stimulated by IL-2/IL-12 gene. Microscopy showed that livers were infiltrated by a number of lymphocytes.
conclusionIL-2 and/or IL-12 genes injected directly into spleen increase serum IL-2 and IL-12 levels and enhance the NK cell activity, which may inhibit the liver tumor growth. The therapy of fused gene IL-2/IL-12 is of low toxicity and relatively high NK cell activity. Our data suggest that IL-2/IL-12 fused gene may be a safe and efficient gene therapy for liver tumor. The gene therapy should be administrated as early as possible.
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