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¹«´ç¹ú·¹¿¡¼­ À¯·¡µÈ HaGF peptide¸¦ ÀÌ¿ëÇÑ ¿°Áõ ¾ïÁ¦ È¿°ú(Çѱ¹»ý¸í°úÇÐȸÁö 2013³â 4¿ù ÃÖÁ¾°ÔÀç ³í¹®)
Date : 2013-07-03
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1´ë±¸ÇÑÀÇ´ëÇб³ È­ÀåÇ°¾à¸®Çаú, 2Çѱ¹Çѹæ»ê¾÷ÁøÈï¿ø, 3Çãºê´©¸®,
4È£¼­´ëÇб³ ÇѹæÈ­ÀåÇ°°úÇаú, 5±¹¸³³ó¾÷°úÇпø
º» ¿¬±¸¿¡¼­´Â ¹«´ç¹ú·¹ À¯ÃæÀ¸·ÎºÎÅÍ ºÐ¸®µÈ Ç×±Õ ÆéŸÀ̵å À¯ÀüÀÚÀÇ ÀϺΠ¿µ¿ªÀÎ HaGF¸¦ ÀÌ¿ëÇÏ¿© ´ë½Ä¼¼Æ÷ÀÇ ¿°Áõ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. ¼¼Æ÷´Â LPS ó¸® ÈÄ ÇÑ ½Ã°£ µÚ¿¡ HaGF¸¦ 󸮸¦ ÇÏ¿©, ¼¼Æ÷ µ¶¼ºÀÌ ³ªÅ¸³ªÁö ¾Ê´Â ³óµµÀÎ 5, 25, 50, 100 ¥ìg/mlÀ» »ç¿ëÇÏ¿´´Ù. ±× °á°ú HaGF°¡ ¿°Áõ¼º cytokineÀÇ »ý¼ºÀ» °¨¼Ò½ÃÅ°´Â °ÍÀ» È®ÀÎ ÇÏ¿´À¸¸ç iNOS¿Í COX-2 ¿ª½Ã 100 ¥ìg/mlÀÇ ³óµµ¿¡¼­ °¢°¢ 51%, 49% ÀúÇØÀ²À» º¸¿´´Ù. µû¶ó¼­, HaGF´Â LPS·Î À¯µµµÈ ´ë½Ä¼¼Æ÷ÁÖÀÎ Raw 264.7 ¼¼Æ÷¿¡¼­ÀÇ ¿°Áõ ¹ÝÀÀ ¾ïÁ¦ È¿°ú¸¦ ±â´ëÇÒ ¼ö ÀÖ¾ú´Ù.

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¿¹·ÎºÎÅÍ °ïÃæÀº µ¿¾ç¿¡¼­ ¾à¿ë?½Ä¿ëÀ¸·Î ¸¹ÀÌ ÀÌ¿ëµÇ¾ú´Âµ¥, °í¼­ÀÇ ±â·Ï¿¡ ÀÇÇÏ¸é µ¿ÀǺ¸°¨Àº ¾à 95Á¾ÀÇ ¾à¿ë °ïÃæÀÌ, º»ÃÊ°­¸ñ½ÀÀ¯(Üâõ®ËµÙÍã¦ë¶)¿¡´Â 106Á¾ÀÇ ¾à¿ë °ïÃæÀÌ ±â·ÏµÇ¾îÀÖ´Ù[22]. ÀÌ·¯ÇÑ °ïÃæÀÚ¿øÀº ÃÖ±Ù »ý¸í°øÇÐ ±â¼úÀÇ ¹ß´Þ°ú ÇÔ²² ´Ù¾çÈ­ µÇ°í Àִµ¥, ±× ¿¹·Î °¢Á¾ À¯¿ë¹°ÁúÀ» »ý»êÇÏ´Â ´©¿¡(½ÇÅ©, ´©¿¡°¡·ç, µ¿ÃæÇÏÃÊ), ²Ü¹ú(²Ü, ·Î¾âÁ¦¸®. ÇÁ·ÎÆú¸®½º), °ïÃæÀÇ ¿Ü°ñ°Ý(chitinÀÇ ÃßÃâ) µîÀÌ ÁÁÀº ¿¹¶ó ÇÒ ¼ö ÀÖ´Ù. ¶ÇÇÑ °ïÃæÀÇ ÃßÃâ¹°Àº ÀüÅëÀûÀÎ »ý¾àÀ¸·Î ÀÌ¿ëµÇ¾ú´Âµ¥, ÃÖ±Ù ÀÌ·¯ÇÑ °ïÃæ ÃßÃâ¹°¿¡ ´ëÇÑ È¿´É ¹× À¯È¿¼ººÐ ºÐ¼®¿¡ ´ëÇÑ ¿¬±¸°¡ ÁøÇàµÇ°í ÀÖ´Ù. ÀÌ ¿Ü¿¡µµ °ïÃæ ÀÚ¿øÀº À¯¿ë»ý¹°ÀÚ¿øÀ¸·Î ÇöÀç ¼¼°èÀûÀ¸·Î ¿©·¯ ºÐ¾ß¿¡¼­ ¸Å¿ì ±¤¹üÀ§ÇÏ°Ô °³¹ß È°¿ëµÇ°í ÀÖ´Ù[6, 7, 8, 12, 16].
¿°ÁõÀº »ýü ȤÀº Á¶Á÷¿¡ ¹°¸®Àû ÀÚ±ØÀ̳ª È­ÇÐÀû ¹°Áú, ¼¼±Õ °¨¿° µîÀÇ ±âÁúÀû º¯È­¸¦ °¡Á®¿À´Â ħ½ÀÀÌ °¡ÇØÁú ¶§ ±× ¼Õ»óºÎÀ§¸¦ ¼öº¹ Àç»ýÇÏ·Á´Â º¹±¸±âÀüÀ¸·Î¼­ ÀÚ±ØÀÌ °¡ÇØÁö¸é ±¹¼ÒÀûÀ¸·Î ¿°Áõ¼º ¼ººÐÀÌ Áõ°¡µÇ¸é¼­ ¿°ÁõÀÌ À¯¹ßµÈ´Ù[14]. ÀÓ»óÀûÀ¸·Î´Â ¹ßÀû, ¹ß¿­, Á¾Ã¢, µ¿Åë, ±â´ÉÀå¾Ö µîÀÇ Áõ»óÀÌ ³ªÅ¸³­´Ù[11]. ´ë½Ä¼¼Æ÷´Â ¼±Ãµ¸é¿ª»Ó¸¸ ¾Æ´Ï¶ó ȹµæ¸é¿ª µî ´Ù¾çÇÑ ¼÷ÁÖ¹ÝÀÀ¿¡ °ü¿©ÇÏ¿© Ç×»ó¼º À¯Áö¿¡ °ü¿©ÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖÀ¸¸ç, ¿°Áõ¹ÝÀÀ ½Ã¿¡´Â nitric oxide (NO)¿Í cytokineÀ» »ý»êÇÏ¿© °¨¿°Ãʱ⿡ »ýü¹æ¾î¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÑ´Ù[3]. Æ÷À¯µ¿¹° ¼¼Æ÷ÀÇ nitric oxide synthase (NOS)ÀÇ °æ¿ì, À¯»çÇüÅ°¡ 3°¡Áö Á¸ÀçÇϴµ¥ neuronal NOS (nNOS), endothelial NOS (eNOS), ±×¸®°í inducible NOS (iNOS)ÀÌ´Ù. ±× Áß¿¡¼­ ƯÈ÷ iNOS°¡ ¿°Áõ¹ÝÀÀ¿¡ °ü¿©ÇÑ´Ù. nNOS¿Í eNOS´Â Ç×»ó ¹ßÇöµÇ¾î ÀÖÀ¸¸ç, iNOSÀÇ °æ¿ì interferon-¥ã, lipopolysaccharide (LPS), ±×¸®°í ¿©·¯ °¡Áö ¿°Áõ cytokineÀÇ ÀÚ±ØÀÌ ÀÖÀ» ¶§ ¹ßÇöµÈ´Ù. ¶ÇÇÑ NO´Â ±Þ¼º, ¸¸¼º ¿°Áõ¹ÝÀÀÀ» Á¶ÀýÇϱ⵵ ÇÑ´Ù. COX¿¡ ´ëÇؼ­´Â 1990³â´ë Ãʹݿ¡ ÁÖ·Î ¿¬±¸µÇ¾ú´Âµ¥, ÀÌ ¶ÇÇÑ À¯»çÇüÅ°¡ µÎ °¡Áö Á¸ÀçÇÑ´Ù. COX-1Àº °ÅÀÇ ¸ðµç Á¶Á÷¿¡ ¹ßÇöµÇ¾î ÀÖ°í, prostagrandinÀ» »ý»êÇÏ¿© ½ÅÀåÀÇ Ç÷¾×È帧À» Á¶ÀýÇϰųª À§ÀåÀÇ ¼¼Æ÷¸¦ º¸È£ÇÏ´Â µîÀÇ »ý¸®ÀûÀÎ ±â´ÉÀ» Á¶ÀýÇÑ´Ù. ¹Ý´ë·Î COX-2ÀÇ °æ¿ì´Â ¹Ì»ý¹°¿¡ ÀÇÇÑ °¨¿°À̳ª ¼Õ»ó ȤÀº ¿©·¯ ¿äÀÎÀÇ ½ºÆ®·¹½º¿¡ ¹ÝÀÀÇÑ ´ë½Ä¼¼Æ÷ (macrophage)¿¡¼­ ¹ßÇöµÈ´Ù. Áï iNOS¿Í COX-2ÀÇ ¹ßÇöÀ¯¹«´Â ¸é¿ª ¼¼Æ÷ÀÇ ¿°Áõ ¹ÝÀÀ¿¡ °ü¿©ÇÑ´Ù. ¶ÇÇÑ ¿°Áõ »çÀÌÅäÄ«ÀÎ(proinflammatory cytokines)ÀÎ tumor necrosis factor-¥á (TNF-¥á), interleukin-1¥â (IL-1¥â), interleukin-6 (IL-6), monocyte chemoattractant protein-1 (MCP-1)µîÀÌ ¿°Áõ ¹ÝÀÀ¿¡ °ü¿©ÇÏ´Â ÀÎÀÚ·Î ¾Ë·ÁÁ® ÀÖ´Ù[9, 24].
µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ¹«´ç¹ú·¹ À¯ÃæÀ¸·ÎºÎÅÍ ºÐ¸®µÈ ÆéŸÀ̵å À¯ÀüÀÚ HarmoniasinÀÇ ÀϺΠ¿µ¿ª HaGFÀ» ÀÌ¿ëÇÏ¿© LPS·Î È°¼º µÈ Raw 264.7 cell·Î ¿°Áõ¿¡ °ü·ÃµÈ ´Ù¾çÇÑ ±âÀü°ú ´Ü¹éÁú ¹ßÇöÀ» ÃøÁ¤ÇÏ¿´´Ù
º» ½ÇÇè¿¡¼­ »ç¿ëÇÑ ÆéŸÀ̵å HaGF´Â AnyGen (Gwang-ju, Korea)»ç¿¡¼­ 98£¥ ÀÌ»óÀÇ ¼øµµ·Î ÇÕ¼ºÇÏ¿´°í, 0.01£¥ acetic acid¿¡ ³ì¿© »ç¿ëÇÏ¿´´Ù

°á°ú ¹× °íÂû

Raw 264.7 cell¿¡ ´ëÇÑ µ¶¼º
¸¶¿ì½º ´ë½Ä¼¼Æ÷ÀÎ Raw 264.7 cell¿¡ ´ëÇÑ HaGFÀÇ ¼¼Æ÷µ¶¼ºÀ» È®ÀÎÇϱâ À§ÇÏ¿© MTT assay¸¦ ¼öÇàÇÏ¿´´Ù. HaGF¸¦ ³óµµ º°·Î 24½Ã°£ µ¿¾È ó¸®ÇÑ °á°ú 100 ¥ìg/mlÀÇ ³óµµ±îÁö´Â µ¶¼ºÀÌ ³ªÅ¸³ªÁö ¾Ê¾ÒÁö¸¸, 500 ¥ìg/mlÀÇ ³óµµ¿¡¼­´Â ¼¼Æ÷ÀÇ »ýÁ¸À²À» 95% °¨¼Ò½ÃÄ×´Ù(Fig. 1). HaGF´Â 100 ¥ìg/ml ÀÌÇÏÀÇ ³óµµ¿¡¼­´Â ¼¼Æ÷µ¶¼ºÀÌ ³·¾Æ ¼¼Æ÷ÀÇ »ýÁ¸À²¿¡ ¿µÇâÀ» ÁÖÁö¾Ê´Â´Ù´Â »ç½ÇÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
Fig. 1. Cell viability of HaGF on Raw 264.7 cell. Raw 264.7 cells were treated with 5, 10, 25, 50, 100, 500 ¥ìg/ml of HaGF dissolved in media for 1 hr prior to the addition of LPS(1 ¥ìg/ml), and the cells were further incubated for 24hr. Data represent the mean¡¾S.D. with eight separate experiments.
Nitric oxide (NO) »ý¼º¾ïÁ¦ È¿°ú
NO´Â ¹ÚÅ׸®¾Æ¸¦ Á×À̰ųª Á¾¾çÀ» Á¦°Å½ÃÅ°´Â ¿ªÇÒÀ» ÇÏÁö¸¸, º´¸®Àû ¿øÀο¡ ÀÇÇØ °úµµÇÏ°Ô »ý¼º, ºÐºñµÇ¸é ¿°ÁõÀ» À¯¹ß½ÃÅ°°Ô µÇ¸ç, Á¶Á÷ ¼Õ»ó, À¯ÀüÀÚ º¯ÀÌ ¹× ½Å°æ¼Õ»ó µîÀ» ÀÏÀ¸Å°´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù[13, 20]. ¶ÇÇÑ, NO´Â NO ÇÕ¼ºÈ¿¼Ò¿¡ ÀÇÇØ l-arginineÀ¸·ÎºÎÅÍ »ý¼ºµÇ´Â ¹«±â À¯¸®Ã¼·Î ¸é¿ª¹ÝÀÀ, ¼¼Æ÷µ¶¼º, ½Å°æ Àü´Þ°è ¹× Ç÷°üÀÌ¿Ï µî ¿©·¯ °¡Áö »ý¹°ÇÐÀûÀÎ °úÁ¤¿¡ °ü¿©ÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖÀ¸¸ç, ³óµµ¿¡ µû¶ó ¼¼Æ÷±â´ÉÀ¯Áö¿¡ Áß¿äÇÑ ÀÛ¿ëÀ» Çϱ⵵ ÇÏ°í ¼¼Æ÷µ¶¼ºÀ» ÀÏÀ¸Å°±âµµ ÇÑ´Ù[14, 17]. NO´Â ±× ÀÚü·Î ¿°ÁõÀ¯¹ß°ú Á¶Á÷¼Õ»óÀ» ÀÏÀ¸Å³ »Ó¸¸ ¾Æ´Ï¶ó, È°¼º»ê¼ÒÀÎ superoxide¿Í °áÇÕÇÏ°Ô µÇ¸é º¸´Ù ¹ÝÀÀ¼ºÀÌ °­ÇÑ peroxynitriteÀÇ ÇüÅ·ΠÀüȯµÇ¾î »ýüÁ¶Á÷ÀÇ ±«»ç¸¦ ¾ß±âÇÒ ¼ö ÀÖ´Ù[19]. ÀÌ¿¡ º» ½ÇÇè¿¡¼­´Â NO »ý¼º¿¡ ´ëÇÑ HaGFÀÇ È¿°ú¸¦ ¾Ë¾Æº¸¾Ò´Ù. »ý¼ºµÈ NO¾çÀ» griess ½Ã¾àÀ» ÀÌ¿ëÇÏ¿© ¼¼Æ÷¹è¾ç¾× Áß¿¡ Á¸ÀçÇÏ´Â NO2-ÀÇ ÇüÅ·ΠÃøÁ¤ÇÏ¿© Fig. 2¿¡ ³ªÅ¸³»¾ú´Ù. ±× °á°ú LPS ó¸® ÈÄ NO »ý¼º·®Àº Á¤»ó¼¼Æ÷¿¡ ºñÇÏ¿© ¾à 4¹è ÀÌ»ó Áõ°¡µÇ¾ú´Ù. HaGF¸¦ 100 ¥ìg/mlÀÇ ³óµµ·Î ó¸®ÇÑ ±º¿¡¼­´Â LPS·Î Áõ°¡µÈ NO »ý¼º·®ÀÌLPS 󸮱º¿¡ ºñÇÏ¿© 50% ÀÌ»ó °¨¼ÒÇÔÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
Fig. 2. Inhibitory effects of HaGF on the production of nitricoxide Raw 264.7 cells. Raw 264.7 cells were cultured with LPS (1 ¥ìg/ml) in the presence or absence of HaGF for 24 hr to determine the level of NO. (Nor: LPS not induced group, Con: LPS induced group) The data represent the mean¡¾SD of three separate experiments(significant as compared to control *p<0.05).

TNF-¥á, IL-1¥â, IL-6 »ý¼º ¾ïÁ¦ È¿°ú
TNF-¥á¸¦ Æ÷ÇÔÇÑ ¸Å°³¹°ÁúÀÎ cytokine IL-6¿Í IL-1¥â´Â NF-¥êB¸¦ ÅëÇØ È°¼ºÈ­ µÇ°í ¶ÇÇÑ NF-¥êB¸¦ È°¼ºÈ­ ½ÃÄѼ­ cytokinecascade¸¦ ÁõÆøÇÏ°í ¿°Áõ»óŸ¦ È®ÀåÇÑ´Ù[2]. ƯÈ÷, TNF- ¥á´Â ¿°Áõ¹ÝÀÀ¿¡ À־ Áß¿äÇÑ ¿ªÇÒÀ» Çϸç macrophage¿Í mastcell µî¿¡¼­ ºÐºñµÇ¸ç, LPS¹ÝÀÀÀÇ ÁÖ¿ä ¸Å°³Ã¼·Î¼­ ³»Àç¸é¿ª¿¡ À־µµ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ¸ç ¸¸¼º ¿°Áõ ¹ÝÀÀ°úµµ °ü·ÃµÇ¾î ÀÖ´Ù[10]. IL-1¥â´Â T-cellÀÇ È°¼ºÈ­, B-cellÀÇ ¼º¼÷, NK cellÀÇ activity¸¦ È°¼ºÈ­ Çϸç, IL-6´Â ¸²ÇÁ±¸¸¦ È°¼ºÈ­½ÃÄÑ Ç×ü»ý»êÀ» Áõ°¡½ÃÅ°´Â °ÍÀ¸·Î, IL-6ÀÇ levelÀº ¿°Áõ ¹ÝÀÀ¿¡¼­ Ç×»ó Áõ°¡ÇÏ´Â °ÍÀ¸·Î º¸°íµÇ°í ÀÖ´Ù[1]. º» ½ÇÇè¿¡¼­ LPS´Â TNF-¥á, IL-1¥â, IL-6ÀÇ »ý¼ºÀ» Áõ°¡ ½ÃÄ×Áö¸¸, HaGF¸¦ ³óµµ º°·Î ó¸®ÇÑ ±º¿¡¼­´Â ¾ïÁ¦µÇ´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù(Fig. 3).
Fig. 3. Effect of HaGF on the production of cytokines stimulated by LPS. Production of TNF-¥á (a), IL-6 (b), IL-1¥â (c) were measured in the medium of Raw 264.7 cells cultured with LPS (1 ¥ìg/ml) in the presence or absence of HaGF for 24 hr. The amount of TNF-¥á was measured by immunoassay as described in materials and methods. (Nor : LPS not induced group, Con: LPS induced group) Data represent the mean¡¾S.D. with three separate experiments. One-way ANOVA was used for comparisons of multiple group means followed by t-test (significant as compared to control *p<0.05, **p<0.01).
iNOS, COX-2ÀÇ ´Ü¹éÁú ¹ßÇö ÀúÇØ È¿°ú
iNOS´Â Æò¼Ò¿¡´Â ¼¼Æ÷ ³»¿¡ Á¸ÀçÇÏÁö ¾ÊÀ¸³ª ÀÏ´Ü À¯µµµÇ¸é Àå½Ã°£ µ¿¾È ´Ù·®ÀÇ NO¸¦ »ý¼ºÇϸç, »ý¼ºµÈ NO´Â Ç÷°üÅõ°ú¼º, ºÎÁ¾ µîÀÇ ¿°Áõ ¹ÝÀÀÀ» ÃËÁø ½Ãų »Ó¸¸ ¾Æ´Ï¶ó ¿°Áõ¸Å°³Ã¼ÀÇ »ýÇÕ¼ºÀ» ÃËÁøÇÏ¿© ¿°ÁõÀ» ½ÉÈ­½ÃÅ°´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù[5, 21]. ¿°Áõ¹ÝÀÀ°ú °ü·ÃµÈ Á¶Á÷ ¼Õ»ó¿¡¼­ NO¿Í iNOSÀÇ ¹ßÇöÀÌ Áõ°¡µÇ¾î ÀÖÀ½ÀÌ º¸°íµÈ ¹Ù ÀÖ´Ù[15, 18, 23] COX-2´Â cyclooxygenase¿Í peroxidase È°¼ºÀ» ¸ðµÎ °¡Áö°í ÀÖ´Â È¿¼ÒÀÌ´Ù. Cyclooxygenase ±â´ÉÀ¸·Î¼­ arachidonic acid¸¦ prostagland·Î º¯È¯ÇÏ°í, peroxidase ±â´ÉÀ¸·Î¼­´Â endoperoxide¸¦ prostaglandin·Î º¯È¯½ÃÅ°¸ç, prostaglanin´Â prostaglandins,thromboxane ¹× prostacyclinsÀÇ Àü±¸Ã¼·Î »ç¿ëµÈ´Ù. COX-1Àº ¸ðµç ¼¼Æ÷¿¡ Á¸ÀçÇϸ鼭, Á¤»ó¼¼Æ÷ÀÇ Ç×»ó¼ºÀ» À¯ÁöÇϸç, COX-2´Â ±Þ¼º¿°Áõ¹ÝÀÀ¿¡¼­ prostaglandinÀÇ ÇÕ¼º¿¡ °ü¿©ÇÏ°í, LPS ¹× cytokine¿¡ ÀÇÇØ ¹ßÇöÀÌ À¯µµµÈ´Ù[4, 9]
Fig. 4. Inhibitory effects of HaGF on the protein levels of iNOS and COX-2 in Raw 264.7 cells. Raw 264.7 cells (5x105 cells/ml) were pre-incubated for 24 hr, and the cells were stimulated with lipopolysaccharide (1 ¥ìg/ml) in the presence of complex extracts sample (5, 25, 50, 100 ¥ìg/ml) for 24 hr. (Nor: LPS not induced group, Con: LPS induced group) Data represent the mean¡¾S.D. with three separate experiments. One-way ANOVA was used for comparisons of multiple group means followed by t-test (significant as compared to control *p<0.05, **p<0.01).

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References

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