期刊
CANCER LETTERS
卷 235, 期 1, 页码 75-83出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2005.04.006
关键词
tumour; LPS; IL-8; adhesion; TLR
类别
Endotoxin/lipopolysacccharide (LPS) is a potent inflammatory stimulus, which acts on tumour infiltrating leukocytes by eliciting a wide range of factors promoting invasion and metastasis. Less known is the effect of LIPS directly on tumour cells. In this study, we analysed whether tumour cell lines from different origin (melanoma, ovarian carcinoma, neuroblastoma) are responsive to LPS in vitro. Results showed that only melanoma cells significantly up-regulated the production of IL-8 and cell adhesion, when triggered with LPS. These effects were associated with the constitutive expression of TLR-4 mRNA in these cells and the expression on the cell membrane of the complete LPS-binding receptor. (c) 2005 Elsevier Ireland Ltd. All rights reserved.
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