| Interleukin-18 and -12 synergistically enhance cytotoxic functions of tumor-infiltrating lymphocytes. | |
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MedLine Citation:
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PMID: 23217394 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: The role of tumor-infiltrating lymphocytes (TILs) in the immunopathogenesis of individual cancer is not clear and is a challenge for anti-tumor immunotherapy. This study aimed to investigate the effects of interleukin (IL)-18 and -12 on cytotoxic functions of TILs. METHODS: TILs from postoperative gastric cancer patients were costimulated with IL-18 and IL-12. SGC-7901 tumor cells were pre-incubated with TILs and subcutaneously injected into BALB/C SCID mice. The function of TILs was evaluated by measuring tumor sizes in tumor-bearing mice, T helper (Th)1 (tumor necrosis factor (TNF)-α, interferon (IFN)-γ) and Th2 cytokine levels (IL-10 and IL-4) in serum and cytotoxicity of mouse natural killer (NK) and CD8(+) T cells. RESULTS: IL-18 and IL-12 synergistically inhibited the growth of SGC-7901 cells in vivo and significantly extended the survival rate of SGC-7901-bearing mice (66.7% vs. 13.7%, P < 0.01). Moreover, TILs could promote the secretion of TNF-α and IFN-γ ((130.34 ± 7.65) vs. (210.63 ± 12.31) pg/ml, P < 0.01; (14.23 ± 1.97) vs. (30.52 ± 2.12) pg/ml, P < 0.01), and downregulate IL-10 and IL-4 secretion ((103.72 ± 11.21) vs. (61.36 ± 5.41) pg/ml, P = 0.021; (49.36 ± 4.67) vs. (28.48 ± 3.86) pg/ml, P = 0.024). CONCLUSION: IL-18 and IL-12 can synergistically enhance cytotoxic functions of TILs from human gastric cancer. |
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Authors:
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Zhi-Fen Chen; Rui Zhou; Bing Xia; Chang-Sheng Deng |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Chinese medical journal Volume: 125 ISSN: 0366-6999 ISO Abbreviation: Chin. Med. J. Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7513795 Medline TA: Chin Med J (Engl) Country: China |
Other Details:
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Languages: eng Pagination: 4245-8 Citation Subset: IM |
Affiliation:
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Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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