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½Å¼¼Æ÷¾Ï ½ÇÇ赿¹° ¸ðµ¨ÀÇ °³¹ß New Animal Model of Renal Cell Carcinoma

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Abstract

¼­·Ð
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ÇÏ´Â ¾Ç¼ºÁ¾¾çÀ¸·Î ÀüüÀÇ ¾à 1/3¿¡¼­´Â ÀüÀÌµÈ »óÅ·Π¹ß°ßµÇ¸ç ±¹¼ÒÀûÀ¸·Î ±¹ÇÑµÈ ½Å¼¼Æ÷
¾ÏÀ̶ó ÇÏ´õ¶óµµ À̵é Áß ¾à ¹Ý¿¡¼­´Â ÇâÈÄ ¿ø°ÝÀüÀÌÀÇ ¼Ò°ßÀ» º¸ÀÌ°Ô µÈ´Ù. ¿ø¹ß Á¾¾çÀº
¼ö¼úÀûÀÎ ¹æ¹ýÀ¸·Î Ä¡·áµÉ ¼ö ÀÖÀ¸³ª ÀüÀÌµÈ º´¼Ò¿¡ ´ëÇÑ È¿°úÀûÀÎ Ä¡·á¹ýÀº ¾ÆÁ÷ ¹ÌÈíÇÑ
½ÇÁ¤À¸·Î, ÀÌ¿Í °°Àº ÀüÀÌµÈ ½Å¼¼Æ÷¾Ï¿¡ ´ëÇÑ º¸´Ù È¿°úÀûÀÎ Ä¡·á¹ýÀÇ °³¹ßÀº ¹°·Ð °³¹ßµÈ
Ä¡·á¹ýÀÇ È¿´ÉÀ» ÀÓ»ó Àü¿¡ °ËÁõÇغ¼ ¼ö ÀÖ´Â ½Å¼¼Æ÷¾Ï ½ÇÇ赿¹° ¸ðµ¨ÀÇ È®¸³ÀÌ Àý½ÇÈ÷ ¿ä
±¸µÈ´Ù.
½Å¼¼Æ÷¾ÏÀÇ ÀÌ»óÀûÀÎ ½ÇÇè ¸ðµ¨Àº ÀÚ»ýÀûÀ¸·Î ¹ß»ýÇÑ ¾ÏÁ¾À¸·Î º´¸®ÇÐÀûÀ¸·Î ¼±¾ÏÁ¾
(adenocarcinoma)À̾î¾ß ÇÏ°í ¼ºÀå·üÀ» ¿¹ÃøÇÒ ¼ö ÀÖ¾î¾ß Çϸç Àû´çÇÑ ½Ã°£¿¡ »ç¶÷ÀÇ ½Å¼¼
Æ÷¾Ï¿¡¼­¿Í °°ÀÌ ÀüÀÌ°¡ ÀϾ¾ß ÇÑ´Ù. Áö±Ý±îÁö ¹àÇôÁø ½ÇÇè ¸ðµ¨µé Áß¿¡¼­ Balb/c
mouse¸¦ ÀÌ¿ëÇÑ Renca ½Å¼¼Æ÷¾Ï ¸ðµ¨°ú Wistar-Lewls ratÀ» ÀÌ¿ëÇÑ rat ½Å¼¼Æ÷¾Ï ¸ðµ¨,
athymic mouse¸¦ ÀÌ¿ëÇÑ »ç¶÷ ½Å¼¼Æ÷¾Ï ÀÌÁ¾À̽Ä(xenograft) ¸ðµ¨Àº ±× Ư¼ºÀÌ Àß È®¸³µÇ
¾î ÀÖ°í »õ·Î¿î Ä¡·á¹ýÀÇ È¿À² ¹× ¾ÈÁ¤¼º ¿¬±¸¿¡ ÀÌ¿ëµÇ°í ÀÖ´Ù ±×·¯³ª ±¹³»¿¡¼­´Â ¾ÆÁ÷ ½±
°Ô ÀÌ¿ëÇÒ ¼ö ÀÖ´Â ½Å¼¼Æ÷¾Ï ½ÇÇèdz¹° ¸ðµ¨ÀÌ ¾ø¾î ½Å¼¼Æ÷¾Ï ¿¬±¸¿¡ ¸¹Àº Á¦ÇÑÀÌ µû¸£°í ÀÖ
´Ù. C3H blouse¿¡ ÀÇÇØ ÀÌÁ¾ ¾çÀ°µÈ Balb/c mouse¿¡¼­ ³ôÀº ¹ßº´·üÀÇ À¯¹æ¾Ï(mamma±³
tumor)ÀÌ »ý±â´Â Balb/cf strainÀÌ Andervont¿¡ ÀÇÇØ È®¸³µÈ ÈÄ ÀÌ Balb/cf mouse¿¡¼­ ³ôÀº
¹ßº´·ü·Î ½Å¼¼Æ÷¾ÏÀÌ ¹ß»ýÇÏ´Â substrainÀÌ º¸°íµÇ¾úÀ¸¸ç À̸¦ µ¿°è¹ø½Ä(inbreeding)½ÃÄÑ
Balb/cf/Cd substrainÀÌ ¶ó°í ¸í¸íÇÏ¿´´Ù. Balb/cf/cd substrainÀº ¼ºº°¿¡ °ü°è¾øÀÌ 9-15¿ù·É
¿¡ 60-70%¿¡¼­ ½Å¼¼Æ÷¾ÏÀÌ ¾çÂÊ ½ÅÀå¿¡ ¹ß»ýÇÏ¿´À¸¸ç ´õ ÀÌ»ó À¯¹æ¾ÏÀº ¹ß»ýÇÏÁö ¾Ê¾Ò°í,
ÀÌ·¸°Ô ÀÚ»ýÀûÀ¸·Î ¹ß»ýÇÑ Á¾¾çÀ¸·ÎºÎÅÍ ÀÌ½Ä °¡´ÉÇÑ ¼¼Æ÷ÁÖ°¡ È®¸³µÇ¾î óÀ½ C+T5·Î ¸í
¸íµÈ ÈÄ À̵éÀÇ ÀüÀÚÇö¹Ì°æÀû Ư¼ºÀÌ ¹ßÇ¥µÇ¾ú´Ù. ÀÌ ¼¼Æ÷ÁÖ´Â Rag¶õ À̸§À¸·Î
ATCC(American Type Culture Collection)¿¡ Á¦°øµÇ¾î ½±°Ô »ç¿ë °¡´ÉÇÑ ¼¼Æ÷ÁÖ·Î È®¸³µÇ
¾ú´Ù. ÀÌ¿¡ º» ±³½Ç¿¡¼­´Â Rag ¼¼Æ÷ÁÖ¸¦ ÀÌ¿ëÇÏ¿© Balb/c mouse¿¡¼­ Rag ½Å¼¼Æ÷¾Ï ¸ðµ¨À»
°³¹ßÇÏ¿´°í ÀÌÀÇ Æ¯¼º ¹× À¯¿ë¼ºÀ» Æò°¡ÇØ º¸°íÀÚ ÇÏ¿´´Ù. ƯÈ÷ Rag ¼¼Æ÷¸¦ µ¿¼Ò
(orthotopic)¿¡ Á¢Á¾ÇÏ´Â ½ÅÀåÇǸ·ÇÏÁ¢Á¾±Ù(subrenal capsular Inoculation group)¿¡¼­ Á¾¾çÀÇ
¼ºÀå ¹× ¿ø°ÝÀüÀÌÀÇ ¾ç»óÀ» »ìÆ캸°í, Á¢Á¾ÇÑ ½ÅÀåÀ» ½ÅÀûÃâ¼úÀ» ½ÃÇàÇÑ ÈÄ ¿ø°ÝÀüÀÌÀÇ ¾ç
»óÀ» °üÂûÇÏ¿© »ç¶÷ÀÇ ½Å¼¼Æ÷¾Ï°ú À¯»çÇÑ ½ÇÇ赿¹° ¸ðµ¨·Î¼­ÀÇ °¡´É¼ºÀ» È®ÀÎÇÏ°íÀÚ ÇÏ¿´
´Ù.
#ÃÊ·Ï#
Purpose : This study was undertaker in order to develop and characterize a new
murine renal cell carcinoma(RCC) model which may be closely analogous to the human
RCC and which may serve as a basis for the evaluation of new therapeutic modalities.
Materials and Methods : The tumor being investigated, Rag cell line, arose spont-
aneously as a renal adenocarcinoma in an inbred Balb/c mouse. Tumor cells were
injected into subrenal capsule and injected intravenously and intraperitoneally to induce
tumors. Among the orthotopically inoculated animals, some were performed a
nephrectomy to mimic the situation mostly often encountered in the human.
Results: 1 Tumors were transferred to all animals where inoculated into subrenal
capsule. 2. The growth rates of tumor-bearing mice were retarded compared to control
mice. 3. Tumors grew exponentially when inoculated into subrenal capsule. The doubling
time of tumor was approximately 13 days. 4. Spontaneous lung metastasis could be
better induced in the subrenal capsule model(80%). Higher rate of lung metastasis was
obtained by intravenous inoculation of tumor cells(85.7%). 5. After nephrectomy
performed on 14 days following subrenal capsular Inoculation of tumor cells, lung
metastasis developed spontaneously in 80% of cases.
Conclusions: The behavior of Rag tumor following subrenal capsular inoculation
mimics that of human RCC from the viewpoint of the formation of primary tumor mass
on the kidney followed by the development of spontaneous metastases. This model can
be used for the evaluation of the therapeutic erects both on the primary tumor as well
as on the metastatic disease.
(Korean J Urol 1998; 39: 411¡­T)

Å°¿öµå

Animal model; Renal cell carcinoma; Mouse; Rag cell; Lung metastasis;

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