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BsAb¿Í HBcAb°¡ ¾ç¼ºÀÎ Àå±â °ø¿©ÀÚÀÇ °£Á¶Á÷¿¡¼­ Hepatitis B Virus DNAÀÇ ¹ßÇö etection of Hepatitis B Virus DNA in Liver Grafts Obtained from HBsAb and HBcAb Positive Organ Donors

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Á¤Ã¢¿ì ( Jung Chang-Woo ) 
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À̽±Ԡ( Lee Sung-Gyu ) 
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±è°æ¸ð ( Kim Kyung-Mo ) 
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ÀåÁÖ¿µ ( Jang Joo-Young ) 
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Abstract

¸ñ Àû: ÃÖ±Ù HBsAb ¹× HBcAb ¾ç¼ºÀÎ °ø¿©ÀÚÀÇ °£À̽ÄÆíÀ» ÀÌ½Ä ¹ÞÀº ¼öÇýÀÚ¿¡¼­ ½Å»ý BÇü °£¿°ÀÌ ¹ß»ýÇÏ´Â °ÍÀÌ º¸°í µÇ°í ÀÖÀ¸¸ç, ÀúÀڵ鵵 ¾à 40%¿¡¼­ ½Å»ý BÇü °£¿°ÀÌ ¹ß»ýÇÏ´Â °ÍÀ» º¸°íÇÏ¿´´Ù. Çѱ¹Àο¡¼­ÀÇ HBcAb ¾ç¼º·üÀº 50%°¡ ³Ñ´Â °ÍÀ¸·Î º¸°íÇÏ°í Àִµ¥, ÀÌ´Â ÀÓ»ó °£À̽ÄÀÇ °É¸²µ¹ÀÌ µÉ ¼ö ÀÖÀ¸¸ç ÀúÀÚµéÀº À̸¦ ¿¹¹æÇϱâ À§ÇÑ ÀÏȯÀ¸·Î½á º» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.

¹æ ¹ý: 1997³â 11¿ùºÎÅÍ 1998³â 11¿ù±îÁö 12°³¿ù µ¿¾È ¼­¿ï ¾Æ»êº´¿ø¿¡¼­ »ýü °£ÀÌ½Ä °ø¿©ÀÚ°¡ °ú°Å BÇü °£¿°°ú CÇü °£¿° °¨¿°ÀÇ Áõ°Å°¡ ¾øÀ¸¸é¼­ HBsAg À½¼ºÀ̸鼭 HBsAb ¾ç¼º, HBcAb ¾ç¼ºÀÎ ¼ºÀÎ °ø¿©ÀÚ 6¸íÀ» ´ë»óÀ¸·Î ÇÏ¿´´Ù. °£ÀÌ½Ä ¼ö¼ú ½Ã µ¿°á »ý°ËÀ» À§ÇÏ¿© äÃëÇÑ ÀýÆíÀÇ ÀϺθ¦ º¸°üÇÏ¿© ½ÇÇè¿¡ »ç¿ëÇÏ¿´´Ù. µ¿°á ÀýÆí Á¶Á÷¿¡¼­ DNA¸¦ ºÐ¸®ÇÏ¿©, HBV DNAÀÇ Ç¥¸é ±¸¿ª°ú ÇÙ½É ±¸¿ª¿¡ ´ëÇÑ ½Ã¹ßü¸¦ ÀÌ¿ëÇÏ¿© ÀÌÁß ÁßÇÕ È¿¼Ò ¿¬¼â ¹ÝÀÀÀ» ½ÃÇàÇÏ¿© °Ë»ç¸¦ ½ÃÇàÇÏ¿´´Ù.

°á °ú: °ø¿©ÀÚ 6¸íÀÇ Á¶Á÷¿¡¼­ Ç¥¸é ±¸¿ªÀÌ ¸ðµÎ ¾ç¼ºÀ¸·Î °üÂûµÇ¾úÀ¸¸ç, ÇÙ½É ±¸¿ªÀº 4¸í¿¡¼­ ¾ç¼ºÀ¸·Î °üÂûµÇ¾ú´Ù. ±× Áß 4¸íÀÇ °£À» À̽ĹÞÀº ¼Ò¾Æ ¼öÇýÀÚ´Â ¸ðµÎ ¿¹¹æ¹ýÀ» ½ÃÇàÇϸ鼭, ½Å»ý BÇü °£¿°ÀÇ ¹ß»ýÀº °üÂûµÇÁö ¾Ê°í ÀÖ´Ù.

°á ·Ð: º» °á°ú´Â °£ÀÌ½Ä ÈÄ ¹ß»ýÇÏ´Â ½Å»ý BÇü °£¿°ÀÇ ¿øÀÎÀ¸·Î HBcAb ¾ç¼ºÀÌ À§Çè ÀÎÀÚÀÓÀ» ÁöÁöÇÏ°í ÀÖ´Ù. HBcAb ¾ç¼º °ø¿©ÀÚÀÇ °£À̽ÄÆí¿¡¼­ Çٽɱ¸¿ªÀº 66%¿¡¼­ ¾ç¼ºÀ¸·Î º¸¿© ÀÌ½Ä ÈÄ ÀáÀç HBV °¨¿° ȤÀº ½Å»ý BÇü °£¿°ÀÇ ¹ß»ýÀ» ¸·±â À§ÇØ ¿¹¹æÀû Ä¡·á°¡ ÇÊ¿äÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.

Purpose: It has recently been reported that de novo HBV infection following liver transplantation is caused by grafts from HBcAb positive donors, and this phenomenon has been observed in one third of the liver transplant patients in our center. Therefore, we investigated the presence of HBV virus DNA in liver tissues obtained from HBcAb positive donors to determine the mechanism by which de novo HBV infection occurs.

Methods: This study was conducted on 6 patients that were HBsAg negative, HBsAb positive, and HBcAb positive who were donors for liver transplantation between November 1997 and November 1998 at Asan Medical Center. We isolated DNA from a portion of liver biopsy tissues that were obtained during the operation, and then identified the surface and core region of HBV DNA using nested PCR. In addition, four children who received liver grafts from these donors were monitored to determine if they became afflicted with non-HBV related diseases while receiving prophylaxis consisting of short-term HBIG treatment and long-term treatment with an antiviral agent.

Results: The surface antigen region was identified in all 6 donors and the core antigen region was observed in 4 of the 6 donors. However, no episodes of de novo HBV infection with prophylaxis were observed.

Conclusion: The results of this study support the results of previous studies, which indicated that HBV infection may be the main cause of de novo HBV infection in patients that receive HBsAb positive and HBcAb positive donor grafts. (Korean J Pediatr Gastroenterol Nutr 2007; 10: 166¡­172)

Å°¿öµå

Liver transplantation;Hepatitis B virus;Living donors;Hepatitis B antibodies

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