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´ã°ü°è Áúȯ¿¡¼­ ¼¼±Õ ¹× Helicobacter °¨¿°°ú ´ãÁó»ê ¼ººÐÀÇ °ü°è The relationship of bacterial and Helicobacter infection to composition of bile acid in biliary tract diseases

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À̺´¼®/Byoung Suk Lee ³ëÀÓȯ/³²½Â¿ì/À¯ ±Ç/¹ÚÇöÁ¾/±èÁ¤¿ø/½ÅÁöÇö/ÀÌÁ¾È­/Im Hwan Roe/Seung Woo Nam/Kwon Yoo/Hyun Jong Park/Jung Won Kim/Ji Hyun Shin/Jong Hwa Lee

Abstract

¸ñÀû : Á¤»óÀûÀÎ ÀÎü ´ãÁó¿¡¼­´Â ¼¼±ÕÀÌ »ýÀåÇÒ ¼ö ¾øÀ¸¸ç ƯÈ÷ ´ãÁó»ê Áß DCA´Â ¼¼±Õ¿¡ ´ëÇÑ »ýÀå¾ïÁ¦ ÀÛ¿ëÀÌ ÀÖ´Ù°í ¾Ë·ÁÁö°í ÀÖ´Ù. ÃÖ±Ù ´ã°ü ÁúȯÀÇ ´ãÁó¿¡¼­ ¼¼±Õ ¿Ü¿¡µµ Helicobacter À¯ÀüÀÚ°¡ ÈçÇÏ°Ô ¹ß°ßµÊÀÌ º¸°íµÇ°í ÀÖÀ¸¸ç Helicobacter°¡ ´ã°ü Áúȯ°ú
¾î¶²
°ü°è°¡ ÀÖ´ÂÁö ¾ÆÁ÷ ºÒ¸íÈ®ÇÏÁö¸¸ ÃÖ±Ù¿¡´Â ´ã°ü ÁúȯÀ» À¯¹ßÇÒ ¼ö ÀÖ´Â °¡´É¼ºµµ Á¶½É½º·´°Ô °Å·ÐµÇ°í ÀÖ´Ù. Helicobacter´Â ´ãÁó»ê Áß CDCA¿Í DCA¿¡ ¸Å¿ì ¹Î°¨ÇÑ °ÍÀ¸·Î ¾Ë·ÁÁö°í ÀÖ¾î ´ã°ü³» HelicobacterÀÇ °¨¿°Àº ´ãÁó»êÀÇ ±¸¼º º¯È­¿Í °ü·Ã ÀÖÀ» °ÍÀ¸·Î
¿¹ÃøµÈ´Ù. ÀÌ
¿¬±¸ÀÇ ¸ñÀûÀº ´ãÁó ³» Helicobacter ¹× ¼¼±ÕÀÇ Á¸Àç°¡ ´ãÁó»êÀÇ ±¸¼º º¯È­¿Í °ü°è ÀÖ´ÂÁö Á¶»çÇÏ¿´°í ÀÎü ´ã°ü ÁúȯÀÇ ´ãÁó¿¡¼­ H. pyloriÀÇ »ýÀå °¡´É¼ºÀ» ±Ô¸íÇÏ°íÀÚ ÇÏ¿´´Ù.
¹æ¹ý : 30°³ÀÇ ´ãÁó (¼ö¼ú ÇÏ ´ã³¶ÃµÀÚ 3¿¹, °æÇÇ ÇÏ ´ã°ü ¹è¾× 27¿¹)¿¡¼­ DNA¸¦ ÃßÃâÇÑ ÈÄ, ¼¼±Õ¿¡ ´ëÇÑ 16S rRNA À¯ÀüÀÚ¿Í Helicobacter genus specific 16S rRNA À¯ÀüÀÚ¸¦ primer·Î »ç¿ëÇÏ¿© ¿¬¼â ÁßÇÕ ¹ÝÀÀ¹ýÀ» ½ÃÇàÇÑ ÈÄ °¢°¢ÀÇ À¯ÀüÀÚ Á¸Àç¿¡ µû¶ó 3±ºÀ¸·Î
ºÐ·ùÇÏ¿´´Ù. I±ºÀº ¼¼±Õ À¯ÀüÀÚ°¡ ¾ø´Â ±º (n=4), II±ºÀº ¼¼±Õ À¯ÀüÀÚ¸¸ ÀÖ´Â ±º (n=11), III±ºÀº ¼¼±Õ ¹× Helicobacter À¯ÀüÀÚ°¡ ¸ðµÎ ¾ç¼ºÀÎ ±º (n=15)·Î ÇÏ¿´´Ù. °¢ ±ºÀÇ ´ãÁóÀ»
HPLC¿¡ ÀÇÇØ CDCA, DCA, LCA, UDCA¿¡ ´ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. ¶ÇÇÑ HPLC °á°ú ÈÄ¿¡ CDCA ȤÀº DCA°¡ 3.0 gm/L ÀÌ»óÀ¸·Î Á¤»óÀûÀÎ ´ãÁó°ú CDCA¿Í DCA°¡ ¸ðµÎ ±Ø¹Ì·® (0.1 gm/L ¹Ì¸¸)µÇ´Â ´ãÁóÀ» ¼±ÅÃÇÏ¿© H. pyloriÀÇ ¾×ü ¹è¾ç¹èÁö¿¡ °¢°¢ È¥ÇÕÇÏ¿© 50% ´ãÁó³óµµÀÇ
¾×ü¹èÁö·Î
¸¸µç ÈÄ H. pylori¸¦ ¹è¾ç, »ýÀå»óŸ¦ È®ÀÎÇÏ¿´´Ù.
°á°ú : I±º¿¡¼­ CDCA, DCA´Â 0.1 gm/L ¹Ì¸¸ÀÇ ±Ø¹Ì·®À» º¸ÀÌ´Â °æ¿ì´Â ¾ø¾úÀ¸³ª II±º¿¡¼­´Â DCA°¡ ±Ø¹Ì·®À¸·Î ÀÖ´Â °æ¿ì°¡ 90.9% (10/11)·Î I±º¿¡ ºñÇØ À¯ÀÇÇÏ°Ô(p<0.01) DCA ³óµµ°¡ °¨¼ÒµÇ¾î ÀÖ¾úÀ¸¸ç CDCA´Â 27.3% (3/11)¿¡¼­ ±Ø¹Ì·®À» º¸¿´´Ù. III±º¿¡¼­ DCA´Â
100%
(15/15)¿¡¼­ ±Ø¹Ì·®À¸·Î Á¸ÀçÇÏ¿© I±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾úÀ¸¸ç (p<0.01), CDCA´Â 60% (9/15)¿¡¼­ ±Ø¹Ì·®À» º¸¿´´Ù. ¶ÇÇÑ H. pylori´Â CDCA ȤÀº DCAÁß Á¤»óÀûÀÎ ³óµµ¸¦ º¸¿´´ø ´ãÁóÀ¸·Î ¸¸µç ¾×ü¹èÁö¿¡¼­´Â ÀüÇô »ýÀåÇÏÁö ¸øÇÏ¿´À¸³ª CDCA¿Í DCA°¡ ¸ðµÎ ±Ø¹Ì·®ÀÎ
´ãÁóÀ¸·Î ¸¸µç ¾×ü¹èÁö¿¡¼­´Â È°¹ßÈ÷ »ýÀåÇÏ¿´´Ù.
°á·Ð : ´ã°üÁúȯÀÇ ´ãÁó»êÀÇ ±¸¼º°ú ³óµµ´Â Á¤»ó»óÅ¿ʹ ¸Å¿ì ´Ù¸£°Ô º¯È­ÇÏ´Â °ÍÀ¸·Î º¸ÀÌ¸ç ¼¼±Õ °¨¿°ÀÇ ¹æ¾î¿Í °¡Àå °ü°è±íÀº ´ãÁó»êÀº DCA·Î Helicobacter ¹× ¼¼±Õ °¨¿°µÈ ´ãÁó¿¡¼­ DCA°¡ ±Ø¹Ì·®À¸·Î Á¸ÀçÇÏ¿´´Ù. Helicobacter´Â DCA¿Í CDCA°¡ ¸Å¿ì ³·Àº ÀÎü
´ãÁó¿¡¼­´Â È°¹ßÈ÷ »ýÀåÇÏ¿´´Ù. µû¶ó¼­ ÀÎüÀÇ ´ã°ü Áúȯ¿¡¼­ ´ãÁó»êÀÇ ±¸¼ºÀÌ ¹Ù²î¸é Helicobacter°¡ »ýÁ¸ÇÒ ¼ö ÀÖ´Â °¡´É¼ºÀÌ ÀÖ´Ù°í º¸ÀÌÁö¸¸ ´õ ¸¹Àº ¿¬±¸°¡ ÇÊ¿äÇÒ °ÍÀ¸·Î º¸ÀδÙ.

Background : Bacterial and Helicobacter gene were commonly detected in diseased human bile, although the meaning of the presence of Helicobacter in biliary tract is still unclear. The aim of this study was to evaluate the changes of bile acid
composition in bacterial and Helicobacter infected bile, and to determine whether Helicobacter pylori might grow in human bile or not.
Methods : Thirty bile samples were obtained by percutaneous transhepatic biliary drainage or gallbladder puncture during cholecystectomy. According to the polymerase chain reaction analysis using bacterial 16S rRNA and Helicobacter genus specific
16S
rRNA primers, 3 groups were divided; Group ¥°; no presence of any bacterial DNA, Group ¥±; positive bacterial DNA only, Group ¥²; positive bacterial and Helicobacter DNA. Bile acid analysis for deoxycholic acid (DCA), chenodeoxycholic acid
(CDCA),
lithocholic acid (LCA), and ursodeoxycholic acid (UDCA) was performed by high performance liquid chromatography. And then Helicobacter pylori was tried to culture in broth mixed with human bile at a final bile concentration of 50%.
Results : The concentrations of DCA in group II and III were very low and significantly reduced compared to group I (p<0.01, respectively). The concentrations of LCA or UDCA were not shown any relationships between groups. Helicobacter pylori has
grown
actively in the broth mixed with human bile containing both of less than 0.1 gm/L of DCA and CDCA, compared to no growth in media mixed with human bile containing more than 3.0 gm/L of DCA and/or CDCA.
Conclusion : DCA seems to have the strongest antibacterial effect. Helicobacter pylori is likely to grow in human bile containg very low concentrations of CDCA and DCA.

Å°¿öµå

Bile; Bile acid; Helicobacter pylori; Biliary tract diseases;

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