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´ëÀå»óÇǼ¼Æ÷¿¡¼­ Interleukin-10 À¯ÀüÀÚ Àü´ÞÀÇ CXC ÄɸðÄ«Àο¡ ´ëÇÑ ¾ïÁ¦ È¿°ú Down-regulatory Effect of Interleukin-10 Gene Transfection for CXC Chemokines in Colonic Epithelial Cell

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À̱¹·¡/Lee KL ±èÂù±Ô/±èº´°ü/À嵿°æ/À̵¿È£/±èÁÖ¼º/Á¤Çöä/ÀÌ¿¬/¹ÚÁ¾»ó/¼ÛÀμº/Kim CG/Kim BG/Chang DK/Lee DH/Kim JS/Jung HC/Lee Y/Park JS/Song IS

Abstract

Background/Aims: Cytokine plays an important role in initiation and continuation of inflammatory bowel disease. However, cytokine protein has some limitation as a therapeutic tool because of low bioavailability, poor pharmacokinetics and chemical instability. Thus, we studied the effect of interleukin 10 (IL-10) gene transfection on murine colon cancer cell line by using non-viral gene carrier. Methods: Therapeutic gene and plasmid was pCAGGS mouse IL-10 and gene carriers were polyethyleneimine (PEI) and 3¥â[L-ornithinamide-carbamoyl] cholesterol (O-chol). After IL-10 gene transfection, we measured the level of IL-10 in supernatant of cultured CT-26 cells. The chemokine cytokine-induced neutrophil chemoattractant (KC) and macrophage inflammatory protein (MIP)-2, which were treated with lipopolysaccharide (LPS) or tumor necrosis factor-¥á (TNF-¥á), were measured after IL-10 gene transfection. Results: The IL-10 values were increased significantly by using PEI, but not by using O-chol. The KC and MIP-2 values were increased when LPS or TNF-¥á were treated. When PEI was used, KC and MIP-2 values increased by LPS or TNF-¥á were decreased. When O-chol was used, the KC values increased by TNF-¥á were decreased but those treated by LPS were not decreased, and the MIP-2 values were not decreased. Conclusions: After IL-10 gene transfection in colon cancer cell, IL-10 cytokine was efficiently expressed. The increased chemokine values by LPS or TNF-¥á were suppressed by IL-10 gene transfection, but which was not constant because of carrier efficiency.


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Inflammatory bowel disease; Transfection; Cytokines; Interleukin-10; ¿°Áõ¼º ´ëÀåÁúȯ; À¯ÀüÀÚ Àü´Þ; ½ÎÀÌÅäÄ«ÀÎ

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