Effect and mechanism of superantigen staphylococcal enterotoxin therapy for mouse gastric tumor.
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| Abstract |
The anti-tumor effect and mechanism of the staphylococcal enterotoxin A (SEA) were studied. The mouse gastric tumor model was produced by subcutaneously inoculating gastric tumor cells (MGC80-3). The experimental group was treated with SEA, and the control group was treated with normal saline. The percentage of tumor generation and tumor mass was measured. The results showed that the percentage of the tumor generation in the SEA-treated mice was lower than in the control group, but there was no significant difference (P > 0.05). However, the tumor mass in the experimental group was significantly lighter than in the control group, with the difference being very significant (P < 0.001). There were more CD4+ T cells and CD8+ T cells in the tumor of the mice treated with SEA than those of the control group. SEA has an obvious anti-tumor effect on mice gastric tumor. The mechanism might be that SEA induces the effect of superantigen-dependent cell mediated cytotoxicity to the tumor cells.
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| Authors | Yiqing Li, Xiaogang Shu |
| Journal | Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban (J Huazhong Univ Sci Technolog Med Sci) Vol. 23 Issue 2 Pg. 161-2 ( 2003) ISSN: 1672-0733 [Print] China |
| PMID | 12973937 (Publication Type: Journal Article) |
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