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ÀڱðæºÎ¾Ï ȯÀÚ¿¡¼­ ¹æ»ç¼±Ä¡·á ½Ã ¹ßÇöµÇ´Â À¯ÀüÀÚÀÇ ±Ô¸í The Differentially Expressed Genes by Radiotherapy in the Patients with Uterine Cervix Cancer

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Abstract

¸ñÀû: ÀÓ»ó¿¡¼­ »ç¿ëÇÏ´Â ¹æ»ç¼±·®À» Á¶»çÇÏ¿© ȯÀÚÀÇ ÀڱðæºÎ¾Ï ¼¼Æ÷¿¡¼­ À¯µµµÇ´Â À¯ÀüÀÚ¸¦ °Ë»öÇÏ°íÀÚ ÇÏ¿´´Ù. ´ë»ó ¹× ¹æ¹ý: ÀڱðæºÎ¾Ï ȯÀÚ¿¡¼­ ¹æ»ç¼±Ä¡·á Àü(´ëÁ¶±º)°ú 1.8 Gy Á¶»çÈÄ 40ºÐ Áö³ª¼­(Á¶»ç±º) ÀڱðæºÎ¾Ï Á¶Á÷À» »ý°ËÇÏ¿© °¢
±º¿¡¼­
total RNA¸¦ ÃßÃâÇÏ¿´´Ù. differential display reverse transcription-polymerase chain reaction±â¹ý(DDRT-PCR)À¸·Î ¹ßÇöÀÌ Áõ°¡ ¶Ç´Â °¨¼ÒµÈ À¯ÀüÀÚ¸¦ Ž»öÇÏ¿´´Ù. ¹ßÇö¿¡ º¯È­°¡ ÀÖ´Â cDNA¸¦ ÃßÃâÇÏ°í ÁõÆøÇÏ¿© ¾òÀº Ŭ·ÐÀ» reverse Northern Blot¹æ¹ýÀ»
ÀÌ¿ëÇÏ¿©
screeningÇÏ¿´°í, Northern BlotÀ¸·Î È®ÀÎÇÏ¿´´Ù. sequencingÀ» ½Ç½ÃÇÑ ÈÄ NCBI database¸¦ ÀÌ¿ëÇÏ¿© blast search¸¦ ÇÏ¿´´Ù. ¹ßÇöÀÌ °¨¼ÒÇÑ À¯ÀüÀÚ¸¦ ´ë»óÀ¸·Î ´Ù¸¥ ȯÀÚ¿¡¼­ÀÇ ¹ßÇö ¾ç»óÀ» È®ÀÎÇϱâ À§ÇÏ¿© ¹æ»ç¼±Ä¡·á¸¦ ¹Þ´Â 5¸íÀÇ ÀڱðæºÎ¾Ï ȯÀÚ¸¦ ´ë»óÀ¸·Î
RT-PCR·Î
°Ë»çÇÏ¿´´Ù. °á°ú: DDRT-PCR±â¹ýÀ» ÀÌ¿ëÇÏ¿© ¹æ»ç¼± Á¶»ç±º¿¡¼­ ¹ßÇöÀÌ Áõ°¡ ȤÀº °¨¼ÒµÈ 18°³ÀÇ cDNA band¸¦ ¹ß°ßÇÏ¿´´Ù. reverse northern blotÀ» ÀÌ¿ëÇÑ screening¿¡¼­ ¹ßÇöÀÌ Áõ°¡µÈ 10°³ÀÇ Å¬·Ð°ú °¨¼ÒµÈ 1°³ÀÇ Å¬·ÐÀ» È®ÀÎÇÏ¿´´Ù. Ŭ·Î´×µÈ cDNA
Á¶°¢µéÀº
´ëºÎºÐ 400¡­500 bp Á¤µµ µÇ¾úÀ¸¸ç, ±×Áß 1°³ÀÇ Å¬·ÐÀº Àß ¾Ë·ÁÁ® ÀÖ´Â chemokine receptor CXCR4 À¯ÀüÀÚ¿Í ³ôÀº »óµ¿¼ºÀ» º¸¿´À¸¸ç, 4°³ÀÇ Å¬·ÐÀº Human ESTs·Î È®ÀεǾú°í 5°³ÀÇ Å¬·ÐÀº ±â´ÉÀÌ ¾ÆÁ÷ È®ÀεÇÁö ¾ÊÀº ¾Ë·ÁÁ® ÀÖ´Â ¿°±â¼­¿­·Î È®ÀεǾú´Ù. ¹æ»ç¼±¿¡
ÀÇÇÏ¿©
¹ßÇöÀÌ °¨¼ÒÇÑ CxCa-11 Ŭ·ÐÀÌ ¸ðµç ȯÀÚ¿¡¼­ ¹æ»ç¼±Ä¡·á Àü ½Ã·á¿¡¼­ ¹ßÇöÀ» º¸¿´À¸³ª, ¹æ»ç¼±Ä¡·á ÈÄ ½Ã·á¿¡¼­´Â ±× ¹ßÇö·®ÀÌ °¨¼ÒÇϰųª ¹ßÇöÀÌ ¾ÈµÇ¾ú´Ù. °á·Ð: DDRT-PCRÀ» ÀÌ¿ëÇÏ¿© ÀÓ»ó¿¡¼­ ÀÚÁÖ »ç¿ëµÇ´Â ¹æ»ç¼±·®À» ȯÀÚÀÇ ÀڱðæºÎ¾Ï¿¡ Á¶»çÇßÀ» ¶§
¹ßÇöµÇ´Â À¯ÀüÀÚ¸¦ È®ÀÎÇÏ¿´´Ù. ÀÌ·¯ÇÑ À¯ÀüÀÚ ¹ßÇöÀÇ È®ÀÎÀº ¹æ»ç¼±Ä¡·á°úÁ¤ Áß¿¡ ¹ß»ýÇÏ´Â ÀÏ·ÃÀÇ ±âÀüµéÀ» ÀÌÇØÇϴµ¥ µµ¿òÀÌ µÇ¸®¶ó »ý°¢µÈ´Ù.

Purpose: To detect differentially expressed genes in the patients with uterine cervical cancer during the radiation therapy. Materials and Methods: In patients with biopsy proven uterine cervical cancer, we took a tumor tissue just
before
radiation therapy and at 40 minutes after external irradiation of 1.8 Gy. Total RNAs isolated from non-irradiated and irradiated tumor tissue samples were analyzed using the differential-display reverse transcription-polymerase chain reaction
(DDRT-PCR). Complementary DNA (cDNA) fragments corresponding to differentially expressed messenger RNAs(mRNAs) were eluted, and cloned. The differential expression of the corresponding mRNAs was confirmed by reverse northern blot. Differentially
expressed cDNA bands were sequenced. Nucleotide sequence data were analyzed in the Gene Bank and EMBL databases via the BLAST network server to identify homologies to known genes or cDNA fragments. Expression pattern of down-regulated clone was
examined
using RT-PCR in 5 patients undergoing radiotherapy. Results: We identified 18 differentially expressed bands by DDRT-PCR, which were eluted and cloned. There were 10 up-regulated clones and 1 down-regulated clone in reverse northern blot.
One
cDNA fragment had homology to chemokine receptor CXCR4, four were identified as Human ESTs in the EMBL database in EST clones. Down-regulated CxCa-11 was also down regulated in all patients. Conclusion: Using the DDRT-PCR, we have
identified
10
up-regulated and 1 down-regulated clone(s) in the patients with uterine cervix cancer during the radiation therapy. The clinical relevance and the functions of these genes will be further investigated.

Å°¿öµå

ÀڱðæºÎ¾Ï; ¹æ»ç¼±Ä¡·á; À¯ÀüÀÚ¹ßÇö; Uterine cervix cancer; Radiotherapy; Differentially expressed genes;

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