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Tumor Necrosis Factor¿Í Interleukin-2°¡ ½Å¼¼Æ÷¾ÏȯÀÚÀÇ Á¾¾çħÀ±¸²ÇÁ±¸ ¼¼Æ÷µ¶¼º È°¼ºÈ­¿¡ ¹ÌÄ¡´Â ¿µÇâ The Regulatory Effect of Tumor Necrosis Factor and Interleukin-2 on Tumor Infiltrating Lymphocytes from Renal Cell Carcinoma Patients

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Abstract

¼­·Ð
½Å¼¼Æ÷¾ÏÀº È­Çпä¹ýÀ̳ª ¹æ»ç¼±¿ä¹ý¿¡ °ÅÀÇ ¹ÝÀÀÇÏÁö ¾Ê´Â Á¾¾çÀ¸·Î ±× Ä¡·á´Â ÁÖ·Î ¼ö
¼ú ¹æ¹ý ÀÇÁ¸ÇÏ°í ÀÖ´Ù ÃÖ±Ù È­Çпä¹ý ¹× ¹æ»ç¼± Ä¡·á¿¡ ÀúÇ×ÇÏ´Â ÁøÇàµÈ ½Å¼¼Æ÷¾Ï¿¡ ´ëÇØ
¼­´Â »ý¹°ÇÐÀû ¹ÝÀÀÁ¶Àý¹°Áú(biologic response modifier; BRM)°ú ¼¼Æ÷¸¦ ÀÌ¿ëÇÏ´Â ÀÔ¾ç¸é
¿ª¿ä¹ý(adoptive immunotherapy)ÀÌ ½ÃµµµÇ°í ÀÖ´Ù. ÀÔ¾ç¸é¿ª¿ä¹ýÀº ¼öµ¿¸é¿ª¿ä¹ý(passive
immunotherapy)ÀÇ ÀϺηΠü³»¿¡¼­ ¹Ì·®À¸·Î »ý¼ºµÇ´Â ¹°ÁúÀ» ºÐÀÚ»ý¹°ÇÐÀû ¹æ¹ýÀ¸·Î ü¿Ü
¿¡¼­ ´ë·® ÇÕ¼ºÇÏ¿© ü³»¿¡ ÁÖÀÔÇϹǷμ­ ¸é¿ª¹ÝÀÀÀÇ ±Ø´ëÈ­¸¦ ÃÊ·¡ÇÏ¿© Ç×¾ÏÈ¿°ú¸¦ ³ªÅ¸³ª
°Ô ÇÏ´Â ¹æ¹ýÀÌ´Ù. BRMÀº ÀÎÅÍÆä·Ðtumor necrosis factor(TNF), interleukin(IL) µîÀÌ ÀÖ°í,
¼¼Æ÷·Î´Â ¸²Æ÷ŲȰ¼ºÈ­¼¼Æ÷(lymphokine activated killler cell; LAK cell)¿Í Á¾¾çħ À±¸² ÇÁ
±¸(tumor infiltrating lymphocyte; TIL.)°¡ ÀÖ´Ù. ÀÌ µé BRMÀº ÀÎü³»¿¡ µé¾î°¡ T-¸²ÇÁ±¸
»Ó¸¸ ¾Æ´Ï¶ó ÀÚ¿¬»ì¼¼Æ÷(natural killer cell; NK cert)¿¡ ÀÛ¿ëÇÏ¿© À̵éÀ» È°¼ºÈ­½ÃÄÑ ÀÌÂ÷Àû
À¸·Î Á¾¾ç¼¼Æ÷¸¦ Æı«ÇÏ´Â ÀÛ¿ëÀÌ ÀÖ´Ù. LAK cell°ú TK.Àº ü¿Ü¿¡¼­ BRM¿¡ ÀÇÇØ È°¼ºÈ­
µÈ »óÅ·Πü³»¿¡ ÁÖÀԵǾî BRMÀ» ºÐºñÇÏ°Ô Çϰųª ¶Ç´Â Á÷Á¢ Á¾¾ç¼¼Æ÷¸¦ Æı«ÇÑ´Ù. ÀÌ·¯
ÇÑ ¼¼Æ÷¸¦ ü¿Ü¿¡¼­ Áõ½Ä½ÃÅ°´Âµ¥´Â BRMÀÌ ¹Ýµå½Ã ÇÊ¿äÇÏ´Ù. LAK cellÀº ¸»ÃÊÇ÷¾×¿¡¼­ ´Ü
ÇÙ±¸ ¼¼Æ÷¸¦ Ficoll-hypaque gradient separation¿¡ ÀÇÇÏ¿© ºÐ¸®ÇÑ IL-2°¡ Æ÷ÇÔµÈ ¹è¾ç¾×¿¡
¼­ 72½Ã°£ ¹è¾çÇϸé È°¼ºÈ­µÈ ´ÜÇÙ±¸°¡ µÇ¾î ¼¼Æ÷µ¶¼ºÀ» °®°ÔµÇ¸ç ¾Ï¼¼Æ÷¸¦ Æı«ÇÏ°Ô µÈ´Ù.
TILÀº LAK cell°ú´Â ´Þ¸® Á¾¾çÁ¶Á÷À» È¿¼Òó¸® ÇÑÈÄFicoll-hypaque gradient separation
¿¡ ÀÇÇÏ¿© ¸²ÇÁ±¸¸¦ ºÐ¸®ÇÑ ÈÄ IL-2°¡ Æ÷ÇÔµÈ ¹è¾ç¾×¿¡¼­ ¹è¾çÇÏ¸é °­·ÂÇÑ ¼¼Æ÷ µ¶¼ºÀ» °®
´Â ¸²ÇÁ±¸°¡ µÇ¸ç À̸¦ ü³»¿¡ ÁÖÀÔÇÏ¸é °­·ÂÇÑ Ç×¾ÏÀÛ¿ëÀ» ³ªÅ¸³½´Ù. ÀÌ TILÀº LAK cell
°ú´Â ´Þ¸® ÀÌ¹Ì Á¾¾ç¿¡ ³ëÃâµÈ ¼¼Æ÷·Î Ư¼öÇÑ Á¾¾ç¿¡¸¸ Ç×¾ÏÀÛ¿ëÀ» ³ªÅ¸³»°í LAK cellº¸´Ù
50-100¹èÀÇ °­·ÂÇÑ Ç×¾ÏÀÛ¿ëÀÌ ÀÖ´Ù. ÀÌ·¯ÇÑ TILÀ» IL-2(1,000unit/m1)°¡ Æ÷ÇÔµÈ ¹è¾ç¾×¿¡
¼­ ¾à 100ÀÏ Á¤µµ ¹è¾çÇϸé 9.1¡¿108°³ÀÇ ¼¼Æ÷¼ö ±îÁö Áõ½Ä½Ãų ¼ö ÀÖ´Ù. ±×·¯
³ª TIL.¸¦ 3ÁÖ ÀÌ»ó ¹è¾çÇÒ °æ¿ì ¼¼Æ÷ÀÇ Áõ½Ä´É·ÂÀº Áö¼ÓµÇ³ª ¼¼Æ÷µ¶¼ºÀ» ÀÒ°Ô µÇ´Â °æ¿ì°¡
´ëºÎºÐÀÌ´Ù ±×·¯¹Ç·Î ÇöÀç TILÀ» ÀÌ¿ëÇÑ ÀÔ¾ç¸é ¿ª¿ä¹ýÀÇ ÁÖµÈ ¿¬±¸°úÁ¦´Â ¼¼Æ÷Áõ½Ä º¸´Ù
´Â º¸´Ù °­·ÂÇÑ ¾Ï¼¼Æ÷ »ì»ó´É·ÂÀ» °®´Â 1%ÀÇ ¹è¾ç°ú Àå±â°£ ¼¼Æ÷ µ¶¼ºÀ» À¯ÁöÇÏ°Ô ÇÏ´Â
°ÍÀÌ´Ù.
TNF´Â ´ë½Ä¼¼Æ÷¿¡¼­ »ý»êµÇ´Â ¥áÇü°ú ¸²ÇÁ±¸¿¡¼­ »ý¼ºµÇ´Â ¥âÇüÀÌ ÀÖÀ¸¸ç Á¾¾ç¼¼Æ÷¿¡
´ëÇÏ¿© ¼¼Æ÷µ¶¼ºÀ» ÀÏÀ¸Å°´Â ´Ü¹éÁúÀÇ ÀÏÁ¾À¸·Î ¾Ë·ÁÁ® ÀÖÀ¸³ª TNF¿¡ ÀÇÇÏ¿© Á¾¾çÀÌ ±«»ç
µÇ´Â °úÁ¤Àº Àß ¾Ë·ÁÁ®ÀÖÁö ¾Ê´Ù. ÀÌ TNF°¡ LAK cellÀÇ ¼¼Æ÷µ¶¼º ¹× Áõ½Ä´É¿¡ K.-2¿Í ¼­
·Î »ó½ÂÀÛ¿ëÀ» ÇÑ´Ù°í º¸°íµÇ°í ÀÖ´Ù. ÀÌ¿¡ ÀúÀÚµµ ½Å¼¼Æ÷¾ÏȯÀÚ¿¡¼­ üÃëÇÑ TIL.À» ¹è¾çÇÒ
¸ñÀûÀ¸·Î Åë»óÀÇ ¹æ¹ýÀÎ IL.-2¸¸À» È¥ÇÕÇÏ¿© ¹è¾çÇßÀ» °æ¿ì¿Í TNF¸¦ IL.-2¿Í ÇÔ²² Åõ¿©ÇÏ
¿© ¹è¾çÇßÀ» °æ¿ì TILÀÇ ¼¼Æ÷Áõ½Ä´É. ¼¼Æ÷µ¶¼º ¹× ±×Ư¼ºÀÌ ¾î¶»°Ô º¯Çϴ°¡¸¦ ºÐ¼® ºñ±³ÇÏ
°íÀÚ ÇÏ¿´´Ù.
#ÃÊ·Ï#
Purpose : To increase the potency of TIL(tumor infiltrating lymphocytes) in
immunotheraphy, the effect of TNF(tumor necrosis factor) and IL-2(interleukin-2) were
investigated in vitro on proliferation and cytotoxic effect of TIL to the various kinds of
tumor lines and fresh frozen tumor cells from renal cell carcinoma patient.
Materials and Methods : For the target cell of the TIL cytotoxicity was used M-l
4(Melanoma tumor line) for investigation of LAK activity and erythroleukemic cell
line(K562) for investigation of natural killer(NK) cell activity. To investigate the
nonspecific cytotoxicity on renal cell carcinoma, autologous fresh frozen renal carcinoma
cells were used as the autologous target, and allogeneic fresh frozen renal carcinoma
cells and renal cell carcinoma line(444) as the allogeneic target cells. The dosage of
TNF was 500univm1 and IL-2 was 1000Cetus unit/ml. The proliferation effect of TIL
was checked by {H}Thymidine uptake assay and its cytotoxicity was checked with 4
hour Chromium release cytotoxicity assay.
Results : The proliferation erect of TIL, treated with IL-2 at 20ays of culture was
11486¡¾591cpm and 23817¡¾1069cpm with combination of IL-2 and TNF. The nonspecific
cytotoxicity of TIL for the 444 at 20th day of culture was 8.2Lytic unit(LU) in IL-2
only and 18,5LU with combination of 1L-2 and TNF. The cytotoxicity of IL for M-14
at 20th day of culture was 8.2LU in IL-2 only and 19.0LU with combination of IL-2
and TNF. The cytotoxicity of TIL for the K562 at 20th day of culture was 37.3LU in
IL-2 only and 60.4LU with combination of IL-2 and TNF.
Conclusions : These results suggest that the combination of TNF and IL-2 has a
synergistic effect on proliferation and nonspecific cytotoxicity of TIL at 20 6ays of
culture in vitro. These results bear important practical implication for clinical trials of
TIL in adoptive immunotherapy.
(Korean J Urol 1998; 39: 643¡­50)

Å°¿öµå

Tumor necrosis factor; Interleukin-2; Tumor infiltrating lymphocyte; Renal cell carcinoma;

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