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±ÙÄ¡Àû ¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇÑ Á¦2±âÀÇ ÀڱðæºÎ¾Ï ȯÀÚ¿¡¼­ p53°ú BaxÀÇ ¹ßÇö°ú ÀÓ»óÀû ÀÇÀÇ Evaluation of p53 and Bax Expression as Prognostic Markers in Invasive Cervical Carcinoma Stage IIB Patients Treated with Radiation Therapy

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ÃÖ¼®Áø/Choi SJ ±èÇåÁ¤/¼ÛÀº¼·/±è⿵/À̹ÌÁ¶/±è¿ìö/³ëÁرÔ/Kim HJ/Song ES/Kim CY/Lee MJ/Kim WC/Noh JK

Abstract

¸ñ Àû: ÁøÇàµÈ ÀڱðæºÎ¾Ï ȯÀÚ¿¡¼­ bax¿Í p53ÀÇ ¹ßÇö ºóµµ¸¦ ¹æ»ç¼±Ä¡·á¸¦ ¹ÞÀº ȯÀÚ¸¦ ´ë»óÀ¸·Î ¿¹ÈÄÀÎÀڷμ­ÀÇ À¯¿ë¼ºÀ» ¾Ë¾Æº¸±â À§ÇÏ¿© º» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: º» ¿¬±¸´Â 1996³â 6¿ùºÎÅÍ 2003³â 12¿ù±îÁö ±ÙÄ¡Àû ¹æ»ç¼±Ä¡·á¸¦ ¹ÞÀº FIGO stage IIbÀÇ ÀڱðæºÎ¾Ï ȯÀÚ 65¸íÀ» ´ë»óÀ¸·Î ¸é¿ªÁ¶Á÷È­ÇÐ ¿°»öÀ» ½ÃÇàÇÏ¿© °üÂûµÈ bax¿Í p53ÀÇ ¹ßÇö°ú ȯÀÚÀÇ 5³â »ýÁ¸À²°ú ¹«º´»ýÁ¸À²ÀÇ °ü°è¸¦ ¿¬±¸ÇÏ¿´´Ù.

°á °ú: ´ë»óȯÀÚ 65¸í¿¡ ´ëÇÑ 5³â »ýÁ¸À²°ú ¹«º´»ýÁ¸À²Àº °¢°¢ 65.1%¿Í 62.9%¿´´Ù. p53¿¡ ´ëÇÑ ¸é¿ªÁ¶Á÷È­Çп°»öÀº 26.2%ÀÇ ¹ßÇöÀ» º¸¿´À¸¸ç, À½¼º ȯÀÚ ±º°ú ¾ç¼º ȯÀÚ ±ºÀÇ 5³â »ýÁ¸À²Àº °¢°¢ 66.6%¿Í 61.1% (p= 0.176)¿´À¸³ª, ¹«º´»ýÁ¸À²Àº °¢°¢ 72.1%¿Í 50.9% (p=0.027)·Î ´Üº¯·®ºÐ¼®¿¡¼­ Åë°èÇÐÀû Â÷À̸¦ º¸¿´´Ù. ¸é¿ª¿°»ö¿¡ ´ëÇÑ baxÀÇ ¹ßÇöÀº 52.3%¿¡¼­ ¾ç¼ºÀ» º¸¿´À¸¸ç, À½¼º ȯÀÚ ±º°ú ¾ç¼º ȯÀÚ ±ºÀÇ 5³â »ýÁ¸À²Àº °¢°¢ 68.8%¿Í 63.6% (p=0.726)¿´À¸¸ç, ¹«º´»ýÁ¸À²Àº °¢°¢ 68.1%¿Í 64.1% (p=0.505)·Î Åë°èÇÐÀû Â÷ÀÌ°¡ ¾ø¾ú´Ù. ´Ùº¯·®ºÐ¼®¿¡¼­´Â p53 ´Ü¹éÀÇ ¹ßÇö°ú baxÀÇ ¹ßÇöÀÌ »ýÁ¸À²¿¡ ÀÇ¹Ì ÀÖ´Â ¿µÇâÀ» ÁÖÁö ¸øÇß´Ù. ±×·¯³ª p53+/ bax-ÀÇ ¸é¿ªÈ­Çп°»ö °á°ú¸¦ º¸ÀÎ 9¸íÀÇ È¯ÀÚ¿¡¼­ ÀÇ¹Ì ÀÖ´Â °¡Àå ³·Àº ¹«º´»ýÁ¸À²À» °üÂûÇÒ ¼ö ÀÖ¾ú´Ù.

°á ·Ð: p53°ú baxÀÇ ¹ßÇöÀº ´Üµ¶ÀûÀ¸·Î ¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇÑ È¯ÀÚ¿¡¼­ À¯ÀǼºÀ» °¡Áö´Â ¿¹ÈÄÀÎÀÚ·Î »ç¿ëÇÒ ¼ö ¾ø¾ú´Ù. ±×·¯³ª p53°ú baxÀÇ ¹ßÇöÀ» µ¿½Ã¿¡ Æò°¡ÇÒ °æ¿ì À¯¿ëÇÑ ¿¹ÈÄ ÀÎÀڷμ­ ÀÓ»óÀû À¯¿ë¼ºÀÌ ÀÖÀ» °ÍÀ¸·Î »ý°¢ÇÑ´Ù.

Purpose: The objective of our study was to evaluate the immunohistochemical expression of p53 and bax proteins as prognostic markers in FIGO stage IIb invasive squamous cell carcinoma of the uterine cervix.

Materials and Methods: Sixty-five cases of squamous cell carcinoma of the cervix (stage IIb) that were diagnosed from October 1996 to December 2003 were analyzed retrospectively for the bax and p53 expression. These expressions were determined immunohistochemically and they were correlated to the patients¢¥ overall survival and disease-free survival.

Results: The overall 5-year survival (OS) rate and the disease-free survival (DFS) rate were 65.1% and 62.9%, respectively. p53 and bax immunoreactivity was seen in 26.2% and 52.3% of cases, respectively, with variable levels of expression. On the univariate analysis, only p53 positivity correlated with poor survival in DFS (log-rank test p=0.027), but this significance was not maintained on multivariated analysis by Cox¢¥s regression. The nine cases with the immunophenotype p53+/bax- had the poorest survival.

Conclusion: Neither p53 nor bax expression are independent predictors of the prognosis for stage IIb cervical squamous cancers. Evaluation of p53 and bax co-expression may affect the clinical outcome and further investigation is needed.

Å°¿öµå

ÀڱðæºÎ¾Ï; p53; bax; ¿¹ÈÄÀÎÀÚ; p53; Bax; Cervical carcinoma; Prognosis

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