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Abstract

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¹æ±¤ÀÇ ÀÌÇà»óÇǾÏÁ¾Àº ¿ì¸®³ª¶ó¿¡¼­ °¡Àå ÈçÇÑ ºñ´¢±â°è Á¾¾çÀÌ´Ù. ¹ß»ý¿äÀÎÀ¸·Î´Â Èí¿¬,
2-naphthylamine, benzidine ¹× nitrosamine°ú °°Àº È­ÇÐ ¹°ÁúÀÌ ÀÖ°í, ¿°·á °øÀå, Á÷¹° °øÀå
¹× ŸÀÌ¾î °øÀå µî¿¡¼­ Á¾»çÇÏ´Â °æ¿ì ¹æ±¤Á¾¾çÀÇ ¹ß»ý·üÀÌ ³ô´Ù°í ÇÑ´Ù. ÀÌÁß Èí¿¬Àº Áö³­
20¿©³â°£ÀÇ ¿¬±¸¿¡¼­ ¹æ±¤Á¾¾ç°ú ±íÀº ¿¬°ü °ü°è°¡ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, »ó´ëÀûÀÎ À§Çè
µµ´Â Èí¿¬·®¿¡ µû¶ó 2-10¹èÁ¤µµ ³ôÀº °ÍÀ¸·Î º¸°íµÇ¾ú°í, ¶ÇÇÑ Èí¿¬À» Áß´ÜÇÏ´Â °æ¿ì 2-4³â
ÈÄ¿¡´Â ¹æ±¤Á¾¾çÀÇ ¹ß»ý ºóµµ°¡ 30-60%Á¤µµ °¨¼ÒÇÏ´Â °ÍÀ¸·Î º¸°íµÇ¾ú´Ù.
Èí¿¬ÀÚÀÇ Æó¾Ï¿¡¼­ ´ëÀå¾Ï¿¡¼­´Â ³ªÅ¸³ªÁö ¾Ê´Â G:C°¡ T:A·Î ¹Ù²î¾î ³ªÅ¸³ª´Â p53ÀÇ µ¹
¿¬º¯ÀÌ°¡ °üÂûµÇ¾ú°í, µ¹¿¬º¯ÀÌ´Â Èí¿¬·®¿¡ ºñ·ÊÇÏ¿© ³ªÅ¸³²ÀÌ º¸°íµÈ ¹Ù ÀÖ´Ù. ¹æ±¤ÀÇ ÀÌÇà
»óÇÇ ¾ÏÁ¾¿¡¼­µµ Á¾¾ç¾ïÁ¦ À¯ÀüÀÚÀÎ p53À¯ÀüÀÚÀÇ µ¹¿¬º¯ÀÌ°¡ ¾à 30%Á¤µµ¿¡¼­ °üÂûµÈ´Ù°í
º¸°íµÇ¾ú´Ù. Kannio µîÀº Èí¿¬ÀÚÀÇ Æó¾Ï¿¡¼­¿Í À¯»çÇÏ°Ô Èí¿¬ÀÚÀÇ ¹æ±¤ÀÌÇà»óÇǾÏÁ¾¿¡¼­µµ
p53À¯ÀüÀÚÀÇ µ¹¿¬º¯ÀÌ´Â Èí¿¬·®¿¡ ºñ·ÊÇÏ¿© ³ªÅ¸³ª¸ç G:C°¡ T:A·Î ¹Ù²î¾î ³ªÅ¸³ª´Â µ¹¿¬
º¯ÀÌ°¡ °¡Àå ÈçÇÑ ÇüŶó°í º¸°íÇÏ¿´À¸³ª, SpruckµîÀº Èí¿¬ÀÚ¿Í ºñÈí¿¬ÀÚÀÇ ¹æ±¤ÀÌÇà»óÇǾÏ
Á¾ÀÇ p53À¯ÀüÀÚÀÇ µ¹¿¬º¯ÀÌÀÇ ºñÀ²¿¡ Â÷ÀÌ°¡ ¾øÀ¸¸ç µ¹¿¬º¯ÀÌÀÇ ÇüÅ·Π2Áß µ¹¿¬º¯ÀÌ°¡ ÁÖ
·Î °üÂûµÈ´Ù°í ÇÏ¿´´Ù.
µû¶ó¼­ º» ¿¬±¸ÀÇ ¸ñÀûÀº ¹æ±¤ÀÇ ÀÌÇà»óÇǾÏÁ¾¿¡¼­ [¥á-32P]dCTP µ¿À§ ¿ø
¼Ò¸¦ »ç¿ëÇÑ PCR-SSCP(polymerase chain reaction-single strand conformation
polymorphism)¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© Èí¿¬ÀÚ¿Í ºñÈí¿¬ÀÚ »çÀÌ¿¡ ³ªÅ¸³ª´Â p53À¯ÀüÀÚÀÇ º¯ÀÌ ÇüÅÂ
¿Í ºñÀ²¿¡ ¾î¶°ÇÑ Â÷ÀÌ°¡ Àִ°¡¸¦ ¾Ë¾Æº¸´Âµ¥ ÀÖ´Ù.
#ÃÊ·Ï#
Purpose: It is well known that smoking is one of the most important etiologic factor
in bladder cancer and mutations of p53 tumor suppressor gene are the important step in
carcinogenesis of urinary bladder. In this study, we investigated the difference in pattern
and rate of p53 gene mutation between smoker and non-smoker
Materials and Methods: Of 26 bladder transitional cell carcinoma, 16 cases were smoker
and 10 cases were non-smoker. We evaluated mutation of the p53 gene concentrated on
axon 5 through 8, using polymerase chain reaction- single strand conformation
polymorphism(PCR-SSCP) with radioisotope.
Results: 3 cases(18.7%) of 16 smoker were found to have p53 gene mutation, but none
of 10 non-smoker was found. 2 of 3 cases of p53 gene mutation were found in exon 5
and 1 in exon 7. The pattern of p53 gene mutation was different in 3 cases.
Conclusions: Although the more cases will be needed in this study, we think that a
mutation of p53 in bladder cancer may be associated with cigarette smoking.

Å°¿öµå

p53 mutation; Smoking; Transitional cell carcinoma; Bladder; PCR-SSCP;

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