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KMID : 0364820110470020124
Korean Journal of Microbiology
2011 Volume.47 No. 2 p.124 ~ p.129
The Role of Helicobacter pylori ¡¯s Fur Protein in the Oxidative Stress Induced by Photodynamic Therapy
Park Yu-na

Kim Ji-Hoon
Choi Sung-Sook
Abstract
Helicobacter pylori±ÕÀÇ ferric uptake regulator (Fur) ´Ü¹éÁúÀÇ »êÈ­Àû ¼Õ»ó¿¡ ´ëÇÑ ¿ªÇÒÀ» ¿¬±¸ÇÏ¿´´Ù. H. pylori±ÕÀÇ fur À¯ÀüÀÚ¸¦ Á¦°ÅÇÑ µ¹¿¬º¯ÀÌü¸¦ ¸¸µé°í wild type H. pylori±Õ°ú µ¹¿¬º¯ÀÌü ±ÕÀÇ »êÈ­Àû ½ºÆ®·¹½º¿¡ ´ëÇÑ ¹ÝÀÀÀ» ºñ±³ÇÏ¿´´Ù. »êÈ­Àû ½ºÆ®·¹½º´Â methylene blue¿Í 660 nm ÆÄÀåÀÇ ºûÀ» ÀÌ¿ëÇÏ´Â ±¤¿ªÇÐÀû Ä¡·á¹æ¹ýÀ¸·Î À¯µµÇÏ¿´´Ù. »êÈ­Àû ½ºÆ®·¹½º¸¦ °¡ÇÑ ½ÇÇèÁ¶°Ç¿¡¼­ wt H. pylori¿Í µ¹¿¬º¯ÀÌüÀÇ »ýÁ¸·Â, DNA ¼Õ»óÀÇ Á¤µµ¸¦ ºñ±³ ¡¤ °ËÅäÇÏ¿´´Ù. ±× °á°ú fur À¯ÀüÀÚ°¡ Á¦°ÅµÈ µ¹¿¬º¯ÀÌüÀÇ »ý±Õ¼ö°¡ wt¿¡ ºñÇØ 10,000¹è °¡·® °¨¼ÒÇÑ °ÍÀ» ¾Ë ¼ö ÀÖ¾úÀ¸¸ç DNAÀÇ »êÈ­Àû ¼Õ»óÀÇ markerÀÎ 8-hydroxy-2-deoxyguanosine (8-OHdG)ÀÇ ¾çµµ fur À¯ÀüÀÚ Á¦°ÅµÈ µ¹¿¬º¯ÀÌ¿¡¼­ wild type¿¡ ºñÇØ 3¹è Á¤µµ ´õ »ý¼ºµÊÀ» È®ÀÎÇÏ¿´´Ù. µû¶ó¼­ º» ½ÇÇè°á°ú H. pylori±ÕÀÇ fur À¯ÀüÀÚ°¡ PDT¹ýÀ¸·Î À¯µµÇÑ »êÈ­Àû ½ºÆ®·¹½º¿¡ ¹æ¾î ±âÀÛÀ» ÇÏ´Â °ÍÀ¸·Î »ç·áµÈ´Ù.
KEYWORD
8-OHdG, fur, Helicobacter pylori, oxidative stress, photodynamic therapy, viable cells
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