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¹æ±¤ÀÌÇ༼Æ÷¾Ï¿¡¼­ Apoptosis¿Í µ¹¿¬º¯ÀÌÇü P53 ´Ü¹é ¹ßÇöÀÇ »ó°ü°ü°è ¹× ¿¹ÈÄ¿¡ °üÇÑ ¿¬±¸ Clinical Significance of Apoptosis in Transitional Cell Carcinoma of the Bladder and It

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Abstract

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ÇÏ´Â ¿¹ÈÄÀÎÀÚ¿¡ ´ëÇÑ ¿¬±¸°¡ Àý½ÇÈ÷ ¿ä±¸µÈ´Ù
1980³â ÈĹݺÎÅÍ In vitro, In vivo½ÇÇè¿¡¼­ ¼¼Æ÷µ¶¼º T ¸²ÇÁ±¸¿Í ÀÚ¿¬»ìÇؼ¼Æ÷(natural
killer cell)¿¡ ÀÇÇÑ Ç¥Àû¼¼Æ÷µéÀÇ »ç¸Á, ¸²ÇÁµ¶¼Ò(lymphtoxin), ÀÎÅÍÆä·Ð(interferon), ÀÎÅÍ·çŲ
(interleukin), Á¾¾ç±«»çÀÎÀÚ-¥á(TNF-¥á), ÇüÁúº¯È¯¼ºÀåÀÎÀÚ-¥â(TGF-¥â)µé°ú °°Àº ½ÎÀÌÅäÄ«
Àεé, glucocorticoid ¶Ç´Â °¢Á¾ Ç×¾ÏÁ¦, ¹æ»ç¼±Ä¡·á µî¿¡ ÀÇÇØ ¾Ï¼¼Æ÷µéÀÌ »ç¸ÁÇϰųª Á¾¾ç
ÀÇ ÅðÇà½Ã¿¡ ¼¼Æ÷°í»çÀÇ ÇüÅÂÇÐÀû, »ýÈ­ÇÐÀû Ư¼ºÀ» ÅëÇØ »ç¸ÁÇϹǷÎ, ¼¼Æ÷°í»ç °æ·Î°¡ ¾Ï
Ä¡À¯±âÀü°ú ±íÀÌ °ü·ÃµÈ ¼¼Æ÷»ç¸Á±â ÀüÀÌ ¾Æ´Ñ°¡ÇÏ¿© ¸¹Àº ¿¬±¸ÀÚµéÀÌ ¼¼Æ÷°í»ç À¯µµÀÎÀÚµé
°ú ±âÀü¿¡ °üÇÏ¿© ¿¬±¸¸¦ ÇÏ°í ÀÖ´Ù.
ÃÖ±Ù¿¡ ¼¼Æ÷°í»ç¿¡ ÀÇÇÑ ¼¼Æ÷»ç¸ÁÀÌ À¯ÀüÀÚ ¹ßÇöÀÇ Áõ°¨°ú ¹ÐÁ¢ÇÑ °ü·ÃÀÌ ÀÖ´Â °ÍÀ¸·Î ¹à
ÇôÁö°í ÀÖÀ¸¸ç, À̵é À¯ÀüÀÚÁß ruts¿Í bcl-2À¯ÀüÀÚ´Â ¼¼Æ÷°í»ç À¯µµ¸¦ ¾ïÁ¦ÇÏ°í, c-myc¿Í
s-myc, p53, APO-1/Fas µîÀº ¼¼Æ÷°í»ç¸¦ À¯µµÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù ´ëÀå¾Ï¿¡¼­ p53 ´Ü
¹éÀ» ¸é¿ªÁ¶Á÷È­ÇÐÀû ¹æ¹ýÀ¸·Î ¿°»öÇÑ °æ¿ì¿¡ À־ °ñÀ̳ª ¿¬ºÎÁ¶Á÷ À°Á¾Ã³·³ ÀüÇô ¹ßÇö
µÇÁö ¾Ê°Å³ª ¶Ç´Â °ú´Ù¹ßÇöµÈ ±ºº¸´Ù´Â, ¼ýÀÚ´Â ÀûÁö¸¸ ÀϽÃÀûÀ¸·Î µå¹®µå¹® ºÐ»êµÈ ÇüÅ·Î
¹ßÇöµÇ´Â Ư¹ß¼º ±º¿¡¼­ ¼¼Æ÷°í»ç¸¦ Àß À¯¹ßÇÏ´Â °ÍÀ¸·Î º¸°íµÇ°í ÀÖ´Ù.
ÀÌ¿¡ ÀúÀÚµéÀº 64·ÊÀÇ ¹æ±¤ÀÌÇ༼Æ÷¾Ï ȯÀÚ¿¡¼­ Ä¡·áÀü Á¾¾çÀÇ ÀÚ¿¬ÀûÀÎ ¼ºÀåÁß¿¡ ¹ß»ýÇÑ
¼¼Æ÷°í»çÀÇ ºóµµ¿Í µ¹¿¬º¯ÀÌÇü p53´Ü¹é °ú¹ßÇö ¾ç»ó¿¡ ´ëÇÑ ¿¬±¸¸¦ ½ÃÇàÇÏ¿© ÀÌµé °¢°¢ÀÇ
»ó°ü°ü°è¸¦ °ËÅäÇÏ¿´À¸¸ç ¶ÇÇÑ ¼¼Æ÷°í»çÀÇ ¿¹ÈÄÀÎÀڷμ­ÀÇ Àǹ̸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© Á¶Á÷ÇÐ
Àû ºÐÈ­µµ, ÀÓ»óº´±â, Á¾¾çÀÇ ¼ºÀåÇüÅ¿ÍÀÇ °ü°è¸¦ Æò°¡ÇÏ°í »ýÁ¸À² ºÐ¼®À» ½ÃÇàÇÏ¿´´Ù.
#ÃÊ·Ï#
Purpose : The significance of constitutive apoptosis in the development and
progression of transitional ceil carcinoma of the bladder has yet to be investigated. The
wild type p53 gene is known to play a significant role in apoptosis. Therefore, mutation
of p53 gene, which correlates closely with p53 protein overexpression, would be
predicted to limit apoptosis. We evlauated the prognostic significance of apoptosis and
the relationship between apoptosis and mutant p53 overexpression in transitional cell
carcinoma of bladder.
Materials and Methods : The extent of apoptosis was determined by TUNEL(terminal
deoxynucleotidyl transferase mediated biotinylated deoxyuridine-triphosphate nick end
labeling) stain in 64 paraffin embedded tissue of primacy transitional cell carcinoma
specimens. Also, the level of p53 overexpression was determined immunohistochemically
on the same tissue.
Results : Although the incidence of apoptosis increased with increasing tumor grade,
the difference in indices between grade ¥± and grade ¥² failed to reach statistical
significance. The mean apoptotic index(AI) of grade ¥° tumors was significantly lower
than that of grade ¥² tumors(p=0.0023). The apoptotic index was not related to p53
overexpression, T(tumor)-category, growth type of tumors and also there was no
significant difference in disease-free survival between the bladder tumors with high as
opposed to low apoptotic index.
Conclusions : The results show that AI is related to histological grade in transitional
cell bladder tumor, while AI hardly has any independent prognostic significance.

Å°¿öµå

Apoptosis; Bladder cancer; Mutant p53;

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