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Á¦°¡ °£ Àü°øÀº ¾Æ´ÏÁö¸¸ ¼Òȱ⳻°ú ÀÇ»ç·Î¼, ¾Æ¸¶Ãß¾îÀÇ ÀÔÀå¿¡¼ ½Åµ¿Çö ±³¼ö´ÔÀÇ °ÀÇ ³»¿ëÀ» °£·«È÷ ¿ä¾àÇÏ¿´½À´Ï´Ù. Á¦°¡ ¿ä¾àÇÏ°í ½Åµ¿Çö ±³¼ö´Ô²²¼ °¨¼öÇØ Áּ̽À´Ï´Ù.°¨»çÇÕ´Ï´Ù.
BÇü °£¿°¹ÙÀÌ·¯½º¿¡ ´ëÇÑ Ç×¹ÙÀÌ·¯½º Ä¡·á´Â ¹ÙÀÌ·¯½º¸¦ ¿ÏÀüÈ÷ Á¦°ÅÇÏÁö ¸øÇÕ´Ï´Ù. Ä¡·á(cure)°¡ ¾Æ´Ï¶ó ÇÕº´Áõ °ü¸®(control)¶ó´Â ÀÔÀå¿¡¼ Á¢±ÙÇØ¾ß ÇÕ´Ï´Ù. µû¶ó¼ risk¿Í benifitÀ» °í·ÁÇÏ°í ±Ù°Å¿¡ ±â¹ÝÇÏ¿© Ä¡·á ´ë»óÀ» ¼±Á¤ÇØ¾ß ÇÕ´Ï´Ù. ÇÕº´Áõ ¹ß»ý ÀÎÀÚ´Â ¾Æ·¡¿Í °°½À´Ï´Ù.
ÀϹÝÀûÀ¸·Î Ç÷Áß HBV DNA°¡ ³óµµ°¡ ³ôÀ¸¸é ÇÕº´Áõ ¹ß»ý À§ÇèÀÌ ³ô¾ÆÁö°í, Ç÷Áß HBV DNA ³óµµ°¡ ³·À¸¸é ÇÕº´Áõ ¹ß»ý À§ÇèÀÌ ³·½À´Ï´Ù. ¶ÇÇÑ °ú°Å lamivudineÀ» ÀÌ¿ëÇÑ ´ëÁ¶Àӻ󿬱¸¿¡¼ Ç÷Áß HBV DNA ³óµµ¸¦ °¨¼Ò½ÃÅ°¸é ÇÕº´Áõ À§ÇèÀ» ³·Ãâ ¼ö ÀÖÀ½ÀÌ ¸íÈ®È÷ ¹àÇôÁø ¹Ù ÀÖ½À´Ï´Ù.
±×·¯³ª Ç÷Áß HBV DNA°¡ ³ô´Ù°í ´Ù ³ª»Û °ÍÀº ¾Æ´Õ´Ï´Ù. Immune tolerance phase°¡ Á¸ÀçÇϱ⠶§¹®ÀÔ´Ï´Ù. Immune tolerance phase¿¡¼´Â ÇÕº´Áõ ¹ß»ý À§ÇèÀÌ ³·°í, ÀÌ ½Ã±â¿¡¼ È¿°úÀûÀÎ Ä¡·áÈ¿°ú°¡ Áõ¸íµÈ Ä¡·á°¡ ¾ø°í, ÀÚ¿¬ÀûÀ¸·Î eÇ÷ûÀüȯÀÌ ÀϾ´Â »ç¶÷ÀÌ ÀÖ½À´Ï´Ù.
¾Æ·¡´Â ALT°¡ Á¤»óÀÌ°í viral load°¡ ³ôÀº ȯÀÚ, Áï,immune tolerance phase·Î »ý°¢µÇ´Â ȯÀڵ鿡¼ tenofovir¸¦ »ç¿ëÇÑ ¿¬±¸ÀÔ´Ï´Ù. (1) 50%¿¡¼¸¸ ¹ÙÀÌ·¯½º°¡ ÃæºÐÈ÷ ¾ïÁ¦µÇ¾ú°í, (2) catch upÀÌ ¾ø¾úÀ¸¸ç, (3) CombinationÀÌ Á¶±Ý ´õ ¿ì¿ùÇÑ ¹ÙÀÌ·¯½º ¾ïÁ¦ È¿°ú¸¦ º¸¿´½À´Ï´Ù. ALT°¡ »ó½ÂµÈ ȯÀڵ鿡¼ÀÇ »ç¿ëµÈ tenofovir È¿°ú¿Í ºñ±³½Ã ¹ÙÀÌ·¯½º ¾ïÁ¦È¿°ú°¡ ¶³¾îÁ®¼, ¸é¿ª°ü¿ë±â ¶§ ¾àÁ¦¸¦ »ç¿ëÇÏ¸é °·ÂÇÑ Ç×¹ÙÀÌ·¯½º¿Í ³·Àº ³»¼ºÀ» º¸ÀÌ´Â tenofovir°°Àº ¾àÁ¦µµ Ä¡·á È¿°ú, Áï ÃæºÐÇÑ ¹ÙÀÌ·¯½º ¾ïÁ¦È¿°ú¸¦ ±â´ëÇϱ⠾î·Æ´Ù´Â °ÍÀ» º¸¿©ÁÝ´Ï´Ù
Á¤¸®ÇÏ¸é ¾Æ·¡¿Í °°½À´Ï´Ù.
2. °³³äÀûÀ¸·Î phase ±¸ºÐÀÌ Åõ¾à¿©ºÎ °áÁ¤¿¡ µµ¿òÀ» ÁÝ´Ï´Ù. Immune tolerance³ª inactive carrier »óÅ¿¡¼´Â Ç×¹ÙÀÌ·¯½ºÁ¦ÀÇ È¿°ú°¡ Á¦ÇÑÀûÀ̱⠶§¹®ÀÔ´Ï´Ù.
Ç÷Áß HBV DNA ³óµµ°¡ ÀÚ¿¬ÀûÀ¸·Î ³·°Ô À¯ÁöµÇ´Â ºÐµé¿¡ ºñÇØ, °æ±¸¿ë Ç×¹ÙÀÌ·¯½º ¾àÀ¸·Î HBV DNA³óµµ¸¦ ³·°Ô À¯ÁöµÇ´Â ºÐµéÀº °£¾Ï µî ÇÕº´ÁõÀÇ À§ÇèÀÌ ´õ ³ô½À´Ï´Ù.
°£°æÈ°¡ ÀÖÀ¸¸é ¼Õ»óÀÌ À־ °£¼öÄ¡°¡ Àß ¿À¸£Áö ¾ÊÀ» ¼ö ÀÖ½À´Ï´Ù. Compensated cirrhosis¿¡¼ ¹ÙÀÌ·¯½º°¡ ³óµµ°¡ ³·°Ô À¯ÁöµÇµµ °£¾ÏÀÌ »ý±æ ¼ö ÀÖ½À´Ï´Ù. ¹Ì±¹°ú À¯·´¿¡¼´Â DNA°¡ ³·¾Æµµ detection¸¸ µÇ¸é compensated cirrhosis¿¡¼ Ä¡·á¸¦ ±ÇÇÏ°í ÀÖ½À´Ï´Ù. ¿ì¸®³ª¶ó(ÇÐȸ °¡À̵å¶óÀΰú ½ÉÆò¿ø ±âÁØ)¿¡¼´Â 2,000À̻󿡼¸¸ ±ÇÇÏ°í ÀÖ½À´Ï´Ù. ±×·¯³ª ½Åµ¿Çö ±³¼ö´Ô²²¼´Â 2,000 ÀÌÇÏÀÇ compensated cirrhosis¿¡¼µµ ºñº¸Çè Ä¡·á¸¦ °í·ÁÇØ º¼ ¼ö ÀÖ´Ù°í ÇÕ´Ï´Ù. Low viremia compensated cirrhosis ȯÀÚ¿¡¼µµ ALT »ó½Â±ºÀº °£¾ÏÀ§ÇèÀÌ »ó´çÈ÷ ³ô´Ù´Â °á°ú¿´½À´Ï´Ù. µû¶ó¼ ÀÌ·± ȯÀÚ¿¡¼´Â Ç×¹ÙÀÌ·¯½ºÁ¦ Ä¡·á°¡ µµ¿òÀÌ µÉ °¡´É¼ºÀÌ ÀÖ½À´Ï´Ù (¾ÆÁ÷ º¸ÇèÀº ¾È µË´Ï´Ù. ºñº¸ÇèÀ¸·Î Ä¡·áÇØ¾ß ÇÕ´Ï´Ù).
½Åµ¿Çö ±³¼ö´ÔÀº compensated cirrhosisÀÌ°í viral load°¡ ÀûÀº ȯÀÚÀÇ HCC À§ÇèÀ» ºÐ¼®ÇÏ¿© Hepatology¿¡ ¹ßÇ¥ÇÏ¿´½À´Ï´Ù (Sinn DH. Hepatology 2015).
Decompensated cirrhosis¿¡¼´Â reactivationµÇ¸é ȯÀÚ°¡ °ßµô ¼ö ¾øÀ¸¹Ç·Î ALT ¼öÄ¡¿Í DNA level°ú ¹«°üÇÏ°Ô DNA°¡ °ËÃâµÇ¸é Ç×¹ÙÀÌ·¯½ºÄ¡·á¸¦ ±ÇÇÕ´Ï´Ù.
¿ì¸®³ª¶ó ȯ°æ¿¡¼´Â ½ÉÆò¿ø ±âÁØÀ» °í·ÁÇÏÁö ¾ÊÀ» ¼ö ¾ø½À´Ï´Ù. ½ÉÆò¿ø ±âÁØ»ó ¸¸¼º°£¿°Àº ALT°¡ Á¤»ó ¶Ç´Â °æ¹ÌÇÏ°Ô »ó½ÂµÈ »ç¶÷µéÀº Ä¡·á ´ë»óÀÌ ¾Æ´Õ´Ï´Ù. Ä¡·á ´ë»óÀÌ ¾Æ´Ï½Å ºÐµé, Áï ALT°¡ Á¤»ó ¶Ç´Â °æ¹ÌÇÑ »ó½ÂÁ¤µµ¿¡¼ À¯ÁöµÇ´Â ºÐµéÀº °£¾Ï µî ÇÕº´ÁõÀÌ °ÅÀÇ ¹ß»ýÇÏÁö ¾Ê¾Æ¾ß ÇÕ´Ï´Ù. ±×·¯³ª ¸¸¼º°£¿° ȯÀÚµé Áß ALT´Â Á¤»ó ¶Ç´Â °æ¹ÌÇÏ°Ô »ó½Â Á¤µµ·Î À¯ÁöµÇ¾îµµ °£¾Ï µî ÇÕº´ÁõÀÌ ¹ß»ýÇÒ ¼ö ÀÖ¾î ÁÖÀǸ¦ ¿äÇϸç, ALT°¡ Á¤»ó ¶Ç´Â °æ¹ÌÇÏ°Ô À¯ÁöµÇ´Â µ¥¿¡µµ °£¾Ï µî ÇÕº´ÁõÀÌ »ý±â´ÂÁö À§Çèµµ¸¦ Æò°¡Çϴµ¥´Â ¿©·¯ risk scoreµéÀÌ °³¹ßµÇ¾î ÀÖ´Ù°í ÇÕ´Ï´Ù.
2017-10-23. ¿ù¿äÁý´ãȸ¿¡¼ ½Åµ¿Çö ±³¼ö´Ô²²¼ BÇü °£¿°ÀÇ Ç×¹ÙÀÌ·¯½º Ä¡·á¿¡ ´ëÇÏ¿© ¸î °¡Áö Áß¿äÇÑ point¸¦ ¼³¸íÇØ Áּ̽À´Ï´Ù. ºñÀü¹®°¡ ÀÔÀå¿¡¼ Á¦°¡ ³ª¸§´ë·Î Á¤¸®ÇØ º¸¾Ò½À´Ï´Ù.
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2017³â ÇöÀç HIRA¿¡¼ Á¤ÇÑ Ç×¹ÙÀÌ·¯½º Ä¡·áÀÇ ÀûÀÀÁõÀº ¾Æ·¡¿Í °°½À´Ï´Ù.
½ÉÆòÀÇÇп¡ ÀÇÇÏ¸é °£°æÈÀÇ ¶Ñ·ÇÇÑ Áõ°Å°¡ ¾øÀÌ °£¼öÄ¡°¡ Á¶±Ý ³ôÀº ȯÀÚ¿¡¼ Ç×¹ÙÀÌ·¯½ºÁ¦ »ç¿ëÀÌ ¾î·Æ½À´Ï´Ù. ±×·¡¼ ÀÓ»ó¿¡¼´Â °£¼öÄ¡´Â ³ôÁö¸¸ °£°æÈÀÎÁö °£¿°ÀÎÁö ¾Ö¸ÅÇÑ È¯ÀÚÀÇ °æ¿ì °£°æÈ·Î codingÇÏ°í Ç×¹ÙÀÌ·¯½ºÁ¦¸¦ Á¶±Ý Æø³Ð°Ô »ç¿ëÇÏ´Â °üÇàÀÌ ÀÖ½À´Ï´Ù. ±×·¯³ª °£°æÈ·Î Áø´ÜÇÑ »çÀ¯¸¦ Á¦ÃâÇ϶ó´Â ¿äûÀ» ¹ÞÀ» ¼ö ÀÖÀ¸´Ï Àß »ìÆì¼ Äڵ带 ºÎ¿©ÇϽñ⠹ٶø´Ï´Ù.
(1) °£°æº¯Àº ¶Ñ·ÇÇÏÁö ¾Ê°í, (2) AST/ALTµµ ±×´ÙÁö ³ôÁö ¾ÊÀºµ¥, (3) DNA°¡ ³ôÀº ȯÀÚ(immune toleranceÀÏ ¼öµµ ÀÖ°í ´Ù¸¥ ÀÌÀ¯·Î °£¼öÄ¡°¡ ³ôÁö ¾ÊÀº °æ¿ìµµ ÀÖÀ½)¿¡¼µµ ¾Ï¹ß»ý·üÀÌ ³ô½À´Ï´Ù. ÀÌ °æ¿ì D2AS score (das.medsoft.kr/login.php)¸¦ °è»êÇÏ¿© 3 ÀÌ»óÀ̸é Ç×¹ÙÀÌ·¯½º ¾àÁ¦¸¦ Àå±â°£ ¹«»óÀ¸·Î Åõ¿©ÇÏ´Â Àӻ󿬱¸°¡ ÁøÇàµÇ°í ÀÖ½À´Ï´Ù. ¿©·¯ºÐµéÀÇ °ü½É°ú Àû±ØÀûÀÎ screeningÀ» ºÎŹÇÕ´Ï´Ù. D2AS score calculator¸¦ ÀÌ¿ëÇÏ¿© ½±°Ô °è»êÇÒ ¼ö ÀÖ½À´Ï´Ù.
BÇü Ç×¹ÙÀÌ·¯½º ¾àÁ¦¸¦ Åõ¿©Çϸé Ãʱ⿡ AST/ALT°¡ ¿Ã¶ó°¥ ¼ö ÀÖ½À´Ï´Ù. °£¿°È¯ÀÚ¿¡¼´Â Á¶±Ý ±â´Ù·Áº¼ ¼ö Àִµ¥, °£°æº¯È¯ÀÚ¿¡¼ AST/ALT°¡ ¿À¸£¸é failureÀÇ signÀÏ ¼ö ÀÖÀ¸´Ï ÁÖÀÇÇØ¾ß ÇÕ´Ï´Ù.
[Ç×¹ÙÀÌ·¯½º Ä¡·áÀÇ Áß´Ü]
Ç×¹ÙÀÌ·¯½º Áß´ÜÀº ¸Å¿ì ¾î·Á¿î À̽´ÀÔ´Ï´Ù. ÀϹÝÀûÀ¸·Î °£°æÈ È¯ÀÚ¿¡¼´Â Àý´ë ¾àÀ» ²÷Áö ¾Ê½À´Ï´Ù. °£¿°È¯ÀÚ¿¡¼ DNA°¡ À½ÀüµÇ°í S antigen À½¼ºÀÌ¸é ²÷À» ¼ö ÀÖÁö¸¸ ±×·± ȯÀÚ´Â °ÅÀÇ ¾ø½À´Ï´Ù. S antigen Á¤·®°Ë»ç 100 IU À̻󿡼 Ç×¹ÙÀÌ·¯½ºÁ¦¸¦ ²÷À¸¸é ½É°¢ÇÑ Àç¹ßÀÌ ¹ß»ýÇϱ⠽±½À´Ï´Ù.
[Ç×¹ÙÀÌ·¯½º Ä¡·á ȯÀÚÀÇ ¾Ï¹ß»ý screening]
DNA À½ÀüÀ̶ó´Â biochemical endpoint°¡ ÃæºÐÈ÷ ¸¸Á·½º·´Áö ¸øÇÕ´Ï´Ù. ¾à¿¡ ÀÇÇÏ¿© DNA°¡ À½ÀüÀÌ µÇ¾îµµ ¾ÏÀÌ ¹ß»ýÇÒ ¼ö ÀÖ½À´Ï´Ù (Cho JY, Gut 2014). ÀÚ¿¬ÀûÀ¸·Î À½ÀüµÈ »ç¶÷Àº ¾à¿¡ ÀÇÇÏ¿© À½ÀüµÈ »ç¶÷¿¡ ºñÇÏ¿© ¾Ï¹ß»ý·üÀÌ ³·½À´Ï´Ù.
[Low level viremia]
Low level viremia: Immune tolerance phase¿¡¼´Â ¾àÀ» »ç¿ëÇÏ¸é ¾àÀ» ¾²´õ¶óµµ low level viremia³ª intermittent viremia¸¦ º¸ÀÌ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. HBeAg (+) ÀÎ »ç¶÷¿¡¼µµ low level viremia°¡ °¡´ÉÇÕ´Ï´Ù.
Low level viremia¿¡ ´ëÇؼ´Â ½Åµ¿Çö ±³¼ö´Ô²²¼ LiverTODAY 028¿¡¼ »ó¼¼È÷ ¼Ò°³ÇϽŠ¹Ù ÀÖ½À´Ï´Ù. Âü°íÇϽñ⠹ٶø´Ï´Ù.
[2016-4-20. Àü¹®°¡ (°¿ø¼® ±³¼ö´Ô) ÆíÁö]
¿Ü·¡ Áø·á¸¦ ÇÏ´Ù º¸¸é BÇü °£¿° Àӽźΰ¡ ³»¿øÇÏ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. ÁÖ·Î ÀӽŠÁß ¸é¿ª¾ïÁ¦¿¡ µû¸¥ HBV DNA »ó½Â°ú °ü·ÃÇÏ¿© '³»°¡ °¡Áö°í ÀÖ´Â BÇü °£¿°ÀÌ ¾ÆÀÌ¿¡°Ô Àü¿°µÉ °ÍÀΰ¡', '¿¹¹æÀû Ç×¹ÙÀÌ·¯½º Ä¡·á¸¦ ¹Ýµå½Ã ÇØ¾ß Çϴ°¡', 'Ç×¹ÙÀÌ·¯½º Ä¡·á Áß ¸ðÀ¯¼öÀ¯¸¦ Çصµ µÇ´Â°¡' ´Â Áú¹®À» ÇÕ´Ï´Ù. ÀÌ¿Í °ü·ÃÇؼ ¾ÆÁ÷µµ ¿¬±¸µÇ¾î¾ß ÇÒ ºÎºÐÀÌ ¸¹Áö¸¸, À۳⿡ ¹Ì±¹°£ÇÐȸ °¡À̵å¶óÀο¡ »õ·Î ¹ßÇ¥µÈ ³»¿ëÀÌ ÀÖ¾î °øÀ¯ µå¸®°íÀÚ ÇÕ´Ï´Ù.
¸¸¼º BÇü°£¿° Àӽźζó°í Çؼ ¸ðµÎ°¡ ¾ÆÀÌ¿¡°Ô Àü¿°½ÃÅ°´Â °ÍÀº ¾Æ´Õ´Ï´Ù. ¸ðµÎ°¡ ¿¹¹æÀû Ç×¹ÙÀÌ·¯½º Ä¡·á¸¦ ¹Þ¾Æ¾ß ÇÏ´Â °ÍÀº ¾Æ´Õ´Ï´Ù. ¹®Çå¿¡¼´Â HBV DNA >2 x 10^7 IU/mL ÀÎ °æ¿ì ÁÖ»ê±â Àü¿°À²ÀÌ 7.6~9%¿¡ À̸¥´Ù°í ÇÕ´Ï´Ù. ÇÏÁö¸¸, ±× ÀÌÇÏ¿¡¼´Â Àü¿°À²ÀÌ 3.2~6.7%·Î º¸°íµÇ¾ú´Âµ¥, ƯÈ÷ HBV DNA <2 x 10^5 IU/mL ÀÎ °æ¿ì¿¡´Â Àü¿°À²ÀÌ 0% ¿´´ø °ÍÀ¸·Î º¸°íµÇ¾ú½À´Ï´Ù. ÀÌ·¯ÇÑ ³»¿ëÀ» ¹ÙÅÁÀ¸·Î HBV DNA >200,000 IU/ml ÀÎ °æ¿ì ¿¹¹æÀû Ç×¹ÙÀÌ·¯½º Ä¡·á¸¦ ±Ç°íÇÏ°í ÀÖ½À´Ï´Ù.
¿¹¹æÀû Ç×¹ÙÀÌ·¯½º Ä¡·á´Â FDA pregnancy category B¿¡ ÇØ´çÇÏ´Â telbivudineÀ̳ª tenofovir¸¦ Åõ¿©Çϴµ¥, ÀϹÝÀûÀ¸·Î ÀÓ½É 3±âÀÎ 28-32ÁÖ¿¡ ½ÃÀÛÇÏ¿© Ãâ»ê Á÷Èijª Ãâ»ê 3°³¿ù µÚ¿¡ Áß´ÜÇÕ´Ï´Ù. ÀÌ´Â ÀӽŠÁß Å¾ư¡ Ç×¹ÙÀÌ·¯½º ¾àÁ¦¿¡ ³ëÃâµÇ´Â ±â°£À» ÃÖ¼ÒÈÇÏ¸é¼ Ãâ»ê ´ç½Ã ¸ðüÀÇ Ç÷Áß ¹ÙÀÌ·¯½º ³óµµ¸¦ ¾ÈÀüÇÑ ¼öÁØÀ¸·Î ³·Ãß±â À§Çؼ ÀÔ´Ï´Ù.
ÀӽŠÁß È°µ¿¼º °£¿°ÀÌ ¹ß»ýÇÏ´Â °æ¿ì ½Åµ¿Çö ±³¼ö´Ô²²¼ ¹ßÇ¥ÇϽŠ³»¿ë¿¡¼¿Í °°ÀÌ ÀϹÝÀûÀÎ Ç×¹ÙÀÌ·¯½º Ä¡·á ±âÁØ¿¡ ÇÕ´çÇÏ´Ù¸é ÀӽŰú ¹«°üÇÏ°Ô Àû±ØÀûÀ¸·Î Ç×¹ÙÀÌ·¯½º Ä¡·á¸¦ Ç϶ó°í µÇ¾î ÀÖ½À´Ï´Ù.
¸ðÀ¯¼öÀ¯¿¡ ´ëÇØ Àá±ñ ¸»¾¸µå¸³´Ï´Ù. À̹ø °¡À̵å¶óÀο¡¼´Â Ç×¹ÙÀÌ·¯½º ¾àÁ¦¸¦ Åõ¿©ÇÏ´õ¶óµµ ¸ðÀ¯ ³» ³óµµ°¡ ±Ø¹Ì·®(Tenofovir¸¦ º¹¿ëÇÑ 5¸íÀÇ »ê¸ð¸¦ ´ë»óÀ¸·Î ÇÑ ¿¬±¸¿¡ µû¸£¸é ¸ðÀ¯¿¡´Â ¼Ò¾Æ ±ÇÀå¿ë·®ÀÇ 0.03%¸¸ ÃøÁ¤µÇ¾ú´Ù°í ÇÕ´Ï´Ù)ÀÌ¶ó ±»ÀÌ ¸ðÀ¯¼öÀ¯¸¦ Á¦ÇÑÇÒ ÇÊ¿ä´Â ¾ø´Ù°í ÇÕ´Ï´Ù ("breastfeeding is not contraindicated"). ÇÏÁö¸¸, ÀÌ¿¡ ´ëÇÑ Àå±âÀûÀÎ ÃßÀû°üÂû µ¥ÀÌÅÍ°¡ ¾øÀ¸¹Ç·Î ¿ì¸®³ª¶ó¿¡ ¹Ì±¹ °¡À̵å¶óÀÎÀ» ±×´ë·Î Àû¿ëÇϱ⿡´Â ¿©·¯°¡Áö ¹®Á¦°¡ ÀÖÀ» °ÍÀ¸·Î »ý°¢µË´Ï´Ù.
[2016-4-21. Àü¹®°¡ (°û±Ý¿¬ ±³¼ö´Ô) ÆíÁö]
ÀÌÁØÇà ¼±»ý´ÔÀÇ ¾ðÁ¦³ª °£°áÇÑ Á¤¸® °¨»çµå¸³´Ï´Ù. ÃÖ±Ù ¸¸¼º BÇü °£¿°ÀÇ ÀÚ¿¬ °æ°ú phase¸¦ ¾Æ·¡¿Í °°ÀÌ 5´Ü°è·Î Á¤ÀÇÇÏ°íÀÚ ÇÏ´Â ¿òÁ÷ÀÓµµ ÀÖ½À´Ï´Ù.
1. ¡°high replicative, low inflammatory¡± phase (previously known as ¡°immune tolerant¡±)
2. A phase of ¡°immune clearance¡±
3. HBeAg(-) chronic hepatitis
4. A ¡°non-replicative¡± phase (previously known as ¡°inactive carrier¡±)
5. ¡°HBsAg loss/occult phase¡±,ÀÌ Áß ¡°immune tolerant¡± ´ë½Å ¡°high replicative, low inflammatory¡± phase ¶ó´Â ¿ë¾î¸¦ ±»ÀÌ ¾²·Á´Â ÀÌÀ¯´Â (¹¹°¡ ´Ù¸£³Ä ½ÍÁö¸¸^^;) ´ÙÀ½°ú °°½À´Ï´Ù. ¡°immune tolerant¡± phase¶ó´Â ¸íĪ¿¡´Â HBV°¡ neonatal immune systemÀÇ Æ¯Â¡ÀÎ impaired Th1-associated immune response¸¦ ÀÌ¿ëÇÏ¿© "immune tolerant" state¸¦ À¯µµÇÔÀ¸·Î½á viral persistence¸¦ À¯ÁöÇÑ´Ù´Â Àǹ̰¡ Àִµ¥ ½ÇÁ¦·Î´Â ÀÌ·¸Áö ¾Ê°í in utero¿¡¼ÀÇ HBV ³ëÃâÀÌ ¿ÀÈ÷·Á "trained immunity"¸¦ À¯µµÇÏ¿© innate immune cell maturation ¹× Th1 development¸¦ ÀÏÀ¸Å²´Ù´Â Áõ°ÅµéÀÌ Æ÷ÂøµÇ°í Àֱ⠶§¹®ÀÔ´Ï´Ù. (Hong et al. Trained immunity in newborn infants of HBV-infected mothers, Nat. Commun., 6 (2015), p. 6588)
The newborn immune system is characterized by an impaired Th1-associated immune response. Hepatitis B virus (HBV) transmitted from infected mothers to newborns is thought to exploit the newborns¡¯ immune system immaturity by inducing a state of immune tolerance that facilitates HBV persistence. Contrary to this hypothesis, we demonstrate here that HBV exposure in utero triggers a state of trained immunity, characterized by innate immune cell maturation and Th1 development, which in turn enhances the ability of cord blood immune cells to respond to bacterial infection in vitro. These training effects are associated with an alteration of the cytokine environment characterized by low IL-10 and, in most cases, high IL-12p40 and IFN-¥á2. Our data uncover a potentially symbiotic relationship between HBV and its natural host, and highlight the plasticity of the fetal immune system following viral exposure in utero. (Hong et al. Nat Commun 2015
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Áú¹® 1. ALT´Â Á¤»óº¸´Ù »ó½Â ¼Ò°ßÀÌÁö¸¸ 2¹è ÀÌÇÏÀ̸é¼, (i) HBeAg positive/ eAb negativeÀÌ¸é¼ DNA levelÀÌ 20,000 IU/mL ÀÌ»ó, (ii) HBeAg negative/ eAb positive ÀÌ¸é¼ DNA levelÀÌ 2,000 IU/mL ÀÌ»óÀÌ 1³â ÀÌ»ó Áö¼ÓµÇ´Â ȯÀÚµéÀ» ¸¶ÁÖÇÏ°Ô µË´Ï´Ù. ÀÌ·± ºÐµéÀº ¾Æ¸¶µµ ÀÌÀü follow-up Áß¿¡¼´Â 2¹è ¹Ì¸¸À̶ó antiviral drug »ç¿ëÀº ¾ÈÇß´ø °Í °°½À´Ï´Ù. Àú´Â ÀÌ·± ȯÀںп¡°Ô liver biopsy µîÀ» ÅëÇØ fibrosis, necrosis evidence º¸À̸é Ä¡·áÀÇ ÀûÀÀÁõÀÌ µÈ´Ù°í ¼³¸íµå¸®°í biopsy À§ÇØ »ó±Þº´¿øÀ¸·Î ÀǷڵ帳´Ï´Ù. ÀÌ·¸°Ô ¼³¸íµå¸®¸é º¸Åë "antiviral drug Çѹø ¸ÔÀ¸¸é °è¼Ó ¸Ô¾î¾ß ÇÏÁö ¾Ê´À³Ä"°í ¹°¾îº¸½Ê´Ï´Ù. Àú´Â "ÇÏ·ç¿¡ ¾à ÇÑ¾Ë ¸Ô´Â °É·Î hepatitis·Î ÀÎÇÑ ÇÕº´ÁõÀ» ¸¹ÀÌ ÁÙÀÌ´Â °Ô ÈξÀ ³´Áö ¾Ê½À´Ï±î±î" ¶ó¸ç ¼³¸íµå¸®´Âµ¥ ±×·³¿¡µµ ºÒ±¸ÇÏ°í ¾à º¹¿ëÀ» °ÅºÎÇϽô ºÐµéÀÌ ÀÖ½À´Ï´Ù. ±³¼ö´Ô²²¼´Â ÀÌ·± °æ¿ì (HBeAg positive or anti-HBe Ab positive µÑ ´Ù DNA levelÀÌ 20,000 IU or 2,000 IU/mL ÀÌ»ó ÀÌ¸é¼ ALT °¡ 1¹èÀÌ»ó 2¹è¹Ì¸¸ À¸·Î 1³â ÀÌ»ó °è¼Ó »ó½Â º¸ÀϽÿ¡ liver biopsy µîÀ» ÇÏ½Ã°í ¾àÀ» ½ÃÀÛÇϽôÂÁö¿ä ? ¾à º¹¿ëÀ» ½ÃÀÛ ¾ÈÇÏ½Å´Ù¸é ¾î¶»°Ô follow up ÇϽôÂÁö? ȯÀںе鿡°Ô º¸Åë ¾î¶»°Ô ¼³¸íÇϽóª¿ä??
Áú¹® 2. ¸¸¾à À§(Áú¹® 1)¿Í °°Àº ȯÀÚ Áß (ALT 1¹èÀÌ»ó 2¹è¹Ì¸¸) severe fatty liver ³ª alcohol À» ¸¹ÀÌ ¸¶½Å´Ù¸é ÀÌ¿¡ ´ëÇÑ ±³Á¤À» ¸ÕÀú ½ÃµµÇغ¸°í ³ªÁß¿¡ follow up ÇϽôÂÁö¿ä.
Áú¹® 3. DNA´Â 20,000 IU ÀÌ»óÀ̳ª Áö¼ÓÀûÀ¸·Î ALT Á¤»óÀΠȯÀÚ Áß ÃÖ±Ù 6°³¿ù À̳» Ç÷¾×°Ë»ç¿¡¼ ALT °¡ 2¹èÀÌ»óÀ¸·Î »ó½ÂÇß´Ù°¡ (´ç½Ã °úÀ½À̳ª toxic effect µîÀÇ history°¡ ÀÖÀ½) ÀÌÈÄ Ç÷¾×°Ë»ç¿¡¼ ALT °¡ Á¤»óÀ¸·Î ´Ù½Ã °¨¼ÒÇßÀ» ¶§¿¡´Â ¾î¶»°Ô ÇϽʴϱî.
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Áú¹® 5. ½ÇÁ¦·Î 40´ë ¹Ì¸¸ ȯÀÚµéÁß antiviral drug À» ½ÃÀÛÇÏ¿© Ä¡·áÇϽôٰ¡ ¾à º¹¿ëÀ» Áß´ÜÇÏ°í follow up ÇÏ°í °è½Å ȯÀںе鵵 ÀÖÀ¸½Å°¡¿ä? ÀÖÀ¸½Ã´Ù¸é ±×·±ºÐµéÀº º¸Åë ¾à »ç¿ë±â°£ÀÌ ¾î´À Á¤µµ ¿´´ÂÁö, ±×¸®°í ¾à Áߴܽÿ¡ ¾î¶»°Ô º¸Åë ¼³¸íÀ» ÇϽóª¿ä ?
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BÇü°£¿°ÀÇ Ä¡·á ÀûÀÀÁõÀº ¸é¿ª Á¦°Å±â(immune clearance) ¹× ¸é¿ª Å»Ãâ±â(immune escape)¶§ ÀÔ´Ï´Ù. Ä¡·á°¡ °í¹ÎµÇ¸é ¾Æ·¡ µÎ Áú¹®À» ÇϽñ⸦ ±ÇÇÕ´Ï´Ù.
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