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BÇü °£Áúȯ¿¡¼­ BÇü °£¿°¹ÙÀÌ·¯½º Pre-S ºÎÀ§ÀÇ º¯ÀÌ ¾ç»ó Pre-S Defective Hepatitis B Virus in Patients with Acute and chronic Hepatitis B Virus Infection

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Á¶¼º¿ø/Sung Won Cho ½Å¿ëÁØ/À̱â¸í/ÇÔ±â¹é/±èÁøÈ«/Young Jun Shin/Kee Myung Lee/Ki-Baik Hahm/Jin Hong Kim

Abstract

kabstract :
- ¿ä¾à -
¸ñÀû : BÇü °£¿°¿¡¼­ pre-S ºÎÀ§ °á¼Õº¯ÀÌÀÇ ÃâÇöÀº ¹ÙÀÌ·¯½ºÀÇ Áö¼ÓÀûÀÎ Áõ½Ä°ú ½ÉÇÑ °£
¿°ÀÇ À¯¹ß¿¡ Áß¿äÇÑ ¿äÀÎÀÌ µÉ ¼ö ÀÖ´Ù. ÀÌ¿¡ ÀúÀÚ´Â BÇü °£Áúȯ¿¡¼­ BÇü °£¿°¹ÙÀÌ·¯½º
pre-S ºÎÀ§ÀÇ °á¼Õº¯ÀÌ ¾ç»ó°ú °£¿°°úÀÇ °ü°è¸¦ ±Ô¸íÇϱâ À§ÇÏ¿© º» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.
´ë»ó ¹× ¹æ¹ý : ÃÑ 26¿¹ÀÇ BÇü °£Áúȯ ȯÀÚ(BÇü °£¿°¹ÙÀÌ·¯½º °Ç°­º¸À¯ÀÚ 5¿¹, ¸¸¼º BÇü °£
¿° 13¿¹, °£°æº¯Áõ 4¿¹, Àü°Ý¼º °£¿° 4¿¹)¸¦ ´ë»óÀ¸·Î Ç÷û¿¡¼­ DNA¸¦ ÃßÃâÇÏ°í ÁßÇÕÈ¿¼Ò
¿¬¼â ¹ÝÀÀÀ¸·Î pre-S ºÎÀ§¸¦ ÁõÆø½ÃŲ ÈÄ pre-S ºÎÀ§ÀÇ ¿°±â¼­¿­À» ºÐ¼®ÇÏ¿´´Ù.
°á°ú : HBsAg °Ç°­ º¸À¯ÀÚ¿Í °£°æº¯Áõ ȯÀÚ 9¿¹¿¡¼­´Â °á¼Õº¯ÀÌ°¡ °üÂûµÇÁö ¾Ê¾ÒÀ¸³ª ¸¸
¼º BÇü °£¿° ȯÀÚ 13¿¹ Áß 7¿¹¿¡¼­´Â ´Ù¾çÇÑ °á¼Õº¯ÀÌ°¡ °üÂûµÇ¾ú´Ù. °á¼Õº¯ÀÌ°¡ °üÂûµÈ 7
¿¹ Áß 4¿¹¿¡¼­´Â pre-S1 ÈĹݺο¡ 183°³ ¿°±â °á¼ÕÀÌ, 2¿¹¿¡¼­´Â pre-S2 Àü¹ÝºÎ¿¡ 30°³ ¿°
±â °á¼ÕÀÌ, 1¿¹¿¡¼­´Â pre-S1 ÈĹݺο¡ 150°³ ¿°±â °á¼Õº¯ÀÌ°¡ °¢°¢ °üÂûµÇ¾ú´Ù. Àü°Ý¼º °£
¿°È¯ÀÚ¿¡¼­´Â 4¿¹ Áß 2¿¹¿¡¼­ pre-S2 Àü¹ÝºÎ¿¡ 15°³¿Í 31°³ÀÇ ¿°±â °á¼ÕÀÌ °¢°¢ 1¿¹¾¿ °ü
ÂûµÇ¾ú´Ù. °á¼Õº¯ÀÌ°¡ °üÂûµÈ ¸¸¼º BÇü °£¿° 3¿¹¿¡¼­ ÃßÀû °üÂûÇÑ °á°ú °£¿°ÀÌ Áö¼ÓµÈ 1¿¹
¿¡¼­´Â ´Ù¸¥ ÇüÅÂÀÇ °á¼Õº¯ÀÌ°¡ ÃâÇöÇÏ¿´°í ´Ù¸¥ 1¿¹¿¡¼­´Â º¯È­°¡ ¾ø¾úÀ¸³ª °£¿°ÀÌ È£ÀüµÈ
1¿¹¿¡¼­´Â °á¼Õº¯ÀÌ°¡ ¾ß»ýÇüÀ¸·Î ´ëÄ¡µÇ¾î °üÂûµÇ¾ú´Ù.
°á·Ð : BÇü °£¿° ¹ÙÀÌ·¯½º pre-S ºÎÀ§ÀÇ °á¼Õº¯ÀÌ´Â °£¿°ÀÌ ½ÉÇÒ ¶§ ¹ß»ýµÇ¸ç °£¿°ÀÌ ¼Ò½Ç
µÇ¸ç ¾ß»ýÇüÀ¸·Î ´ëÄ¡µÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù.
#ÃÊ·Ï#
-Abstract-
Background/Aims : Deletions of the pre-S region were found in patients with chronic
hepatitis they may have an impact on the progression of chronic hepatitis B virus
(HBV) infection. Thus, it is important to study deletion mutants in the pre-S region to
characterize their pathogenic relevance during HBV infection.
Methods : Deletion patterns of the pre-S region of HBV were analyzed in 26 patients
with liver diseases (5 HBsAg-positive healthy carriers, 13 patients with chronic B
hepatitis, 4 patients with liver cirrhosis, 4 patients with fulminant hepatitis). The pre-S
sequence of HBV DNA extracted from sera of the 26 patients was amplified by
polymerase chain reaction and sequenced directly.
Results : Deletion mutants of HBV pre-S region were not observed in HBsAg-positive
healthy carriers and in patients with liver cirrhosis. However, deletion mutants were
detected in 7 of the 13 patients with chronic hepatitis and 2 of the 4 patients with
fulminant hepatitis. Among 7 patients with chronic hepatitis who had deletions in the
pre-S region of HBV, 183 bp and 150 bp deletion mutant in the distal pre-S1 region
was detected in 4 patients and 1 patient, respectively. Another 30 bp deletion in the
proximal pre-S2 region was detected in 2 patients. A short deletion (15 and 31 bp) in
the proximal pre-S2 region was detected in 2 of the 4 patients with fulminant hepatitis,
During follow-up of 3 patients, deletion was observed in 2 patients with persistent ALT
elevation. However, deletion mutant was replaced with wild-type HBV after ALT
normalization in one patient.
Conclusions: These findings suggest that selection occurs for the pre-S defective mutant
strain of virus during severe hepatic inflammation. (Kor J Gastroenterol 2000;36:660 -
667)

Å°¿öµå

BÇü °£¿°; Pre-S ÀüÀÚ; BÇü °£¿° ¹ÙÀÌ·¯½º; °á¼Õº¯ÀÌ; Hcpatitis B; Pre-S sequence; Hepatitis B virus; Deletion mutant;

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