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CHEMOSENSITIVITY OF CISPLATIN AND 5-FLUOROURACIL ON ORAL SQUAMOUS CELL CARCINOMA CELL LINES

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Abstract

°á·Ð
»ç¶÷ÀÇ ±¸°­¿¡¼­ À¯·¡µÈ ÆíÆò»óÇÇ¾Ï ¼¼Æ÷ÁÖ KB¿Í ȯÀÚÀÇ ±¸°­¾Ï Á¶Á÷¿¡¼­ Ãʱâ¹è¾çµÈ ¼¼
Æ÷¸¦ ÀÌ¿ëÇÑ cisplatin, 5-fluorouracil ¹× À̵éÀÇ º´¿ë¿ä¹ýÀ» »ýÁ¸¼¼Æ÷ÀÇ È¿¼ÒÈ°¼ºÀ» ÃøÁ¤ÇÏ
¹Ç·Î¼­ Ç×¾ÏÁ¦ Åõ¿©·Î ÀÎÇÑ ¾Ï¼¼Æ÷ Ä¡»çÈ¿°ú¸¦ ½±°Ô ÆÇÁ¤ÇÒ ¼ö ÀÖ´Â MTT¹ýÀ» ÀÌ¿ëÇÏ¿© ¾Ï
¼¼Æ÷ µ¶¼ºÈ¿°ú¸¦ °üÂûÇÑ °á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. µÎ ¹è¾ç¼¼Æ÷¿¡¼­ ¸ðµÎ, cisplatinÀº ³óµµ ÀÇÁ¸¼º ¹ÝÀÀÀ» º¸ÀÌ´Â ¹Ý¸é, 5-fluorouracilÀÇ
°æ¿ì´Â ½Ã°£ ÀÇÁ¸¼ºÀÇ Æ¯¼ºÀ» º¸¿´´Ù.
2. KB¼¼Æ÷¿¡ ´ëÇÑ cisplatinÀÇ IC50 °ªÀº 0.74¥ìg/mlÀ̸ç 5-fluorouracilÀÇ
°æ¿ì´Â 1.90¥ìg/ml·Î ³ªÅ¸³µÀ¸¸ç, Ãʱâ¹è¾ç¼¼Æ÷¿¡¼­´Â °¢°¢ 0.57¥ìg/ml °ú 2.83¥ìg/mlÀÇ ¼ö
Ä¡¸¦ º¸¿´´Ù.
3. µÎ ¾àÁ¦ÀÇ º´ÇÕ Åõ¿©±ºÀº cisplatic ´Üµ¶ Åõ¿©±º°ú ºñ±³ÇÏ¿© Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÏ°Ô Çâ
»óµÈ ¼¼Æ÷µ¶¼ºÀ» º¸ÀÌÁö´Â ¾Ê¾ÒÁö¸¸ (p-value =0.067, 0.176) ³óµµÈñ¼®¿¡ ÀÇÇÏ¿© ´ÜÀÏ Åõ¿©
±ºÀÇ 1/2ÀÇ ³óµµ¿¡¼­µµ µ¿ÀϼöÁØ ÀÌ»óÀÇ ¼¼Æ÷ µ¶¼ºÀ» º¸ÀÏ ¼ö ÀÖ´Â Á¡¿¡¼­ ÀÓ»óÀû À¯¿ë¼ºÀ»
ÀÔÁõÇÒ ¼ö ÀÖ¾ú´Ù.
4. MTT¹ýÀº ȯÀÚÀÇ Á¶Á÷¿¡¼­ À¯·¡µÈ Ãʱ⠹è¾çµÈ ¼¼Æ÷¿¡¼­ Ç×¾Ï °¨¼ö¼ºÀÇ ºñ±³ÇÏ¿´À»
¶§ Ç¥ÁØÈ­µÈ ¼¼Æ÷ÁÖ¿¡¼­ÀÇ ¹ÝÀÀ°ú ºñ½ÁÇÑ ¹ÝÀÀƯ¼ºÀ» º¸ÀÓÀ¸·Î½á ÇâÈÄ °³º°È­µÈ Ç׾ϰ¨¼ö¼º
ÀÇ ¿¹Ãø¿¡ µµ¿òÀ» ÁÙ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.
#ÃÊ·Ï#
The oral squamous cell carcinoma is majority of oral cacer and the treated of oral
cancer strategies of clinical oncologist.
The remission induced by anti-cancer agents is attributable to the action of the
anticancer agents on drug sensitive cell populations in the tumor. However is spite of
vatiable combination therapy, the majority of aptients with advanced disease relapse, and
some of patients reveals clinical problems of resistence to cancer chemotherapeutic
agents.
The in vitro chemosensitivity test of anticancer agent gives clinical basis in
chemotherapy. The semiautomated tetrazolium dye assay(MTT) method is used to
measure cytotoxicity, proliferation or activation of mammalian cells with high degree of
precision and rapidity.
The present study was performed to assess the growth inhibitory effect of
5-fluorouracil and cisplatin in oral squamous cell carcinoma cell line KB and primarily
cultured cell oral squamous cell carcinoma patient using tetrazolium dye assay
method(MTT).
The results are as follows.
1. Cisplatin had dose dependent cytotoxic effect in 24h incubation while 5-fluorouracil
had time dependent effect on both cell lines.
2. On KB cell line, IC50 of cisplatin was 0.74¥ìg/ml and IC50 of 5-fluorouracil was
1.90¥ìg/ml while IC50 of cisplatin and IC50 of 5-fluorouracil on primary culture cell
were 0.57¥ìg/ml and 2.83¥ìg/ml respectively.
3. On KB and primary cultured cell, combined treated group did not show more
cytotoxic effect with statistical significancy(p-value=0.067, 0.176 respectively) than
cisplatin single treated group but had dilution benefit.
4. Primarily cultured oral squamous cell carcinoma cell carcinoma tumor cells from
patient specimen responds to chemotherapeutic agent as response profiles of standard
cell line, MTT assay is considered as clinical tool in predicting chemosensitivity.

Å°¿öµå

oral squamuous cell carcinoma; MTT assay; cisplatin; 5-fluorouracil;

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