Methylmercury modulation of monocyte chemotactic protein-1 mRNA expression in human peripheral blood mononuclear cells.
Takuji Kishimoto, Tetsuya Oguri, Daizo Ueda, Minoru Tada
Abstract
Takuji Kishimoto, Tetsuya Oguri, Daizo Ueda, Minoru Tada
Abstract
The effect of methylmercury (MeHg; CH3HgCl) on the gene expression of monocyte chemotactic protein-1 (MCP-1) by human peripheral blood mononuclear cells (PBMC) was examined. PBMC were exposed with or without thrombin (1 U/ml) or MeHg (0.3 or 3.0 microM) for 24 hours. The total RNA was reverse transcribed and then amplified by the method of reverse transcriptase-polymerase chain reaction (RT-PCR). Thrombin enhanced MCP-1 mRNA expression in PBMC. MeHg inhibited thrombin-stimulated MCP-1 mRNA expression in a dose dependent manner. These findings suggest that MeHg affects the atherosclerotic process by changing MCP-1 mRNA expression in PBMC.
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The effect of methylmercury (MeHg; CH3HgCl) on the gene expression of monocyte chemotactic protein-1 (MCP-1) by human peripheral blood mononuclear cells (PBMC) was examined. PBMC were exposed with or without thrombin (1 U/ml) or MeHg (0.3 or 3.0 microM) for 24 hours. The total RNA was reverse transcribed and then amplified by the method of reverse transcriptase-polymerase chain reaction (RT-PCR). Thrombin enhanced MCP-1 mRNA expression in PBMC. MeHg inhibited thrombin-stimulated MCP-1 mRNA expression in a dose dependent manner. These findings suggest that MeHg affects the atherosclerotic process by changing MCP-1 mRNA expression in PBMC.
Key concepts: Peripheral blood mononuclear cell, Monocyte, Messenger RNA, Molecular biology, Thrombin, Gene expression, Reverse transcriptase, Chemistry