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Á¤º´ÇÏ/Byung Ha Chung À̵¿Çö/È«¼ºÁØ/Dong Hyeon Lee/Sung Joon Hong

Abstract

¼­·Ð
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·± °æ¿ì 3³â »ýÁ¸À²ÀÌ 6%·Î ¿¹ÈÄ°¡ ±ØÈ÷ ÁÁÁö ¾Ê¾Æ È¿°úÀûÀÎ Ä¡·á°¡ Àý½ÇÈ÷ ¿ä±¸µÇ°í ÀÖ´Ù
'ÃÖ±Ù ¿ø°ÝÀüÀÌ°¡ ÀÖ´Â ½Å¼¼Æ÷¾ÏÀÇ Ä¡·á¿¡ Interleukin-2(IL-2)³ª Interferon(IFN) µîÀ» ÀÌ¿ë
ÇÑ ¸é¿ª¿ä¹ýÀÌ ³Î¸® ÀÌ¿ëµÇ°í ÀÖÀ¸³ª Ä¡·á¿ë·®ÀÇ cytokineÀ» Åõ¿©ÇÒ ¶§ ³ªÅ¸³ª´Â ½ÉÇÑ Àü½Å
ºÎÀÛ¿ëÀ¸·Î Ä¡·á¿¡ Å« Á¦ÇÑÀ» ¹Þ°í ÀÖ´Ù. ÀÌ·¯ÇÑ Àü½ÅºÎÀÛ¿ëÀ» ÁÙÀ̱â À§ÇÏ¿© Àú¿ë·® Åõ¿©
¹ýÀ̳ª Á¾¾ç¿¡ Á÷Á¢ Åõ¿©ÇÏ´Â ¹æ¹ý µîÀÌ º¸°íµÇ°í ÀÖÀ¸³ª Çö½ÇÀûÀ¸·Î Àû¿ë¿¡ ÇÑ°è°¡ ÀÖ´Ù.
¸¸ÀÏ Á¾¾ç¼¼Æ÷¿¡ Á÷Á¢ IL-2¸¦ Áö¼ÓÀûÀ¸·Î ºÐºñÇÑ´Ù¸é Àü½ÅºÎÀÛ¿ëÀ» ÃÖ¼ÒÈ­Çϸ鼭 Á¾¾ç
¿¡ ´ëÇÑ ¸é¿ªÄ¡·áÀÇ È¿°ú¸¦ ±Ø´ëÈ­½Ãų ¼ö ÀÖ¾î ½Å¼¼Æ÷¾ÏÀÇ Ä¡·á¿¡ ÁÁÀº ¹æ¹ýÀÌ µÉ ¼ö ÀÖÀ»
°ÍÀÌ´Ù. ÀÌ¿¡ Gastl µîÀº IL-2À¯ÀüÀÚ¸¦ Á¾¾ç¼¼Æ÷¿¡ ÇüÁú ÀÌÀÔ½ÃÄÑ Á¾¾ç¼¼Æ÷¿¡¼­ IL-2 ºÐºñ
¸¦ ½ÇÇè ÀûÀ¸·Î À¯µµÇÑ ¹Ù ÀÖÀ¸³ª ±¹³»¿¡¼­´Â ÀÌ·¯ÇÑ º¸°í°¡ °ÅÀÇ ¾ø´Â ½ÇÁ¤ÀÌ´Ù. ÃÖ±Ù ºÐ
ÀÚ»ý¹°ÇÐÀÇ ´«ºÎ½Å ¹ßÀüÀ¸·Î À¯ÀüÀÚ¿ä¹ýÀÌ ¾Ï Ä¡·áÀÇ »õ·Î¿î Ä¡·á¹ýÀ¸·Î µîÀåÇÏ¿´´Ù. Ãʱâ
ÀÇ À¯ÀüÀÚ Ä¡·á¹ýÀº ¼±Ãµ¼º À¯ÀüÁúȯÀ» ´ë»óÀ¸·Î ¸ð»öµÇ¾úÀ¸³ª ÃÖ±ÙÀÇ À¯ÀüÀÚ Ä¡·áÀÇ ¹æÇâ
Àº ´ëºÎºÐÀÌ Á¾¾çÄ¡·á¿¡ ÀÀ¿ëµÇ°í ÀÖÀ¸¸ç À̵é Áß¿¡¼­ IL-2¿Í °°Àº cytokineÀ» ÀÌ ¿ëÇÑ ¿¬
±¸°¡ °¡Àå È°¹ßÈ÷ ÁøÇàµÇ°í ÀÖ´Ù. ÀÌ·¯ÇÑ ¿¬±¸¿¡ ÀÌ¿ëµÇ´Â À¯ÀüÀÚÀÇ ÇüÁú ÀÌÀÔ ½Ã ·¹Æ®·Î
¹ÙÀÌ·¯½º¸¦ ÀÌ¿ëÇÑ À¯ÀüÀÚÀÌÀÔ(retroviral-mediated gene transfer)Àº ƯÁ¤À¯ÀüÀÚ¸¦ Æ÷À¯¼¼Æ÷
¿¡ ÀÌÀÔ½ÃÅ°´Â È¿°úÀûÀÎ ¹æ¹ýÀ¸·Î ÃÖ±Ù ¸¹ÀÌ ÀÌ¿ëµÇ°í Àִµ¥ À̵éÀº ÀÚüÀÇ ¿ªÀü»ç È¿¼Ò¸¦
ÀÌ¿ëÇÏ¿© ¼÷ÁÖ¼¼Æ÷ genomeÀ¸·ÎÀÇ ¾ÈÁ¤Àû ÅëÇÕÀ» À¯µµÇÏ°í À¯ÀÔ À¯ÀüÀÚ ³»¿¡ Á¸ÀçÇϴ ƯÁ¤
´Ü¹éÁúÀ» codeÇÏ´Â À¯ÀüÀÚ°¡ Áö¼ÓÀûÀ¸·Î ¹ßÇöµÇ°Ô ÇÑ´Ù´Â ÀåÁ¡ÀÌ Àֱ⠶§¹®ÀÌ´Ù. º» ¿¬±¸¿¡
¼­´Â ÀÎü ½Å¼¼Æ÷¾Ï ¼¼Æ÷ÁÖ¿¡ ·¹Æ®·Î¹ÙÀÌ·¯½º¸¦ ÀÌ¿ëÇÑ H.-2 À¯ÀüÀÚ ÀÌÀÔ ÈÄ ¾Ï¼¼Æ÷·ÎºÎÅÍ
»ý¼ºµÇ´Â K.-2ÀÇ ¾çÀ» ÃøÁ¤ÇÔÀ¸·Î¼­ ÀüÀÌ ½Å¼¼Æ÷¾Ï¿¡ ´ëÇÑ Á¾¾ç¹é½Å Ä¡·á¹ýÀÇ °¡´É¼º¿¡ ´ë
ÇÏ¿© ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.
#ÃÊ·Ï#
Purpose : The therapeutic dose of cytokine for patients with advanced renal cell
carcinoma is very high and leads to toxic side effects and a substantial cost to the
patients. Interleukin-2(IL-2) could be released continuously and slowly in the host by
genetic engineering of IL-2 genes and increase host immunity with decreasing the a¤²
verse effects of the drug. We investigated the IL-2 gene expression, amplification of
viral titer, and transduction of IL-2 gene into human renal cell carcinoma cell line with
retroviral vectors.
Materials and Methods: For the production of retroviral vectors with the IL-2 gene,
we used PA-317 as a packaging cell and Caki-2 as a renal cell carcinoma cell.
Retroviral supernatants were added to culture flask containing Caki-2 cells and after 48
hours, re- placement with a media containing G418(Gibco, Grand Island, NY) 800¥ìg/m1
was done for selection of transfected colonies. The selected colonies were cultured and
then measured the amount of IL-2 production per 1 l06 for 24 hours
using an ELISA assay kit(BioSource International, USA) for IL-2.
Results: Thirteen colonies were selected and the amount of IL-2 production was 143.1
¡¾75.3pg/m1/106 cells/24hr(range: 51.5-370.7).
Conclusions: The success of transduction of the IL-2 gene into human renal cell
carcinoma cell lines with a retroviral vector will give a possibility in gene therapy for
advanced renal cell carcinoma and may have promising results
(Korean J Urol 1998; 39: 418¡­22)

Å°¿öµå

Renal cell carcinoma; Retroviral vector; Interleukin-2; Gen8 transduction;

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