Effect of IL-Iβ and TNF-α on the expression of monocyte chemotactic protein-1 in endometriotic cells
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To investigate the clinical significance of monocyte chemotactic protein-1 (MCP-1) produced by endometriotic tissues, the endometriotic tissues were taken from 15 patients with endometriosis. MCP-1 mRNA and MCP-1 protein were determined by dot blot analysis and enzyme linked immunosorbent assay (ELISA) in endometriotic cells cultured with or without interleukin-1β (IL-lβ, 2 μg/L), tumor necrosis factor-α (TNF-α, 20 g/L). After exposure to IL-1β or TNF-α, the expression of MCP-1 mRNA in the endometriotic cells (8.635 ±0.826, 7.031 ±0.970, respectively) were significantly higher than that in the control group (4.482±0.435, P<0.05); The expression of MCP-1 protein in IL-lβ and TNF-α group was 4.52±0.09 μg/L,2.87±0.27 μg/L, respectively, which were significantly higher than 1.74±0.16 μg/L in control (P<0.01). The results suggested that IL-l\ and TNF-α could up-regulate the expression of MCP-1 in endometriotic cells, which might be related to the development of endometriosis.
Key wordsendometriosis cell culture MCP-1 IL-l\ TNF-α
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