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À¯¹æ¾Ï¿¡¼­ Bcl-2 ¹× p53¿¡ ´ëÇÑ ¸é¿ªÈ­Çп°»öÀÇ ÀÓ»óÀû ¿¬°ü¼º Clinicopathological Correlation of Bcl-2 and p53 Immunohistochernistry in Breast Cancer

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Abstract

°á·Ð
À¯¹æ¾Ï¿¡¼­ Bcl-2´Â ¿¡½ºÆ®·Î°Õ¼ö¿ëü ¹× ÇÁ·Î°Ô½ºÅ׷мö¿ëü¿Í °­ÇÑ ¿¬°ü°ü°è¸¦ º¸¿©
(p<0.001) hormonal regulationÀÇ °úÁ¤¿¡ °ü¿©ÇÔÀ» ÃßÃøÇÒ ¼ö ÀÖ°í, ÇÙµî±Þ ¹× Á¶Á÷ÇÐÀû µî
±ÞÀº Bcl-2 ¿Í´Â ¿¬°ü¼ºÀ» º¸¿©(p<0.05) tumor differentiation¿¡µµ ¿¬°ü¼ºÀÌ ÀÖÀ½À» ¾Ë ¼ö
ÀÖ¾úÀ¸³ª p53Àº ¿¬°ü¼ºÀÌ ¾ø¾ú´Ù(p < 0.05).
¶ÇÇÑ Á¾¾çÀÇ Å©±â ¹× ¸²ÇÁÀý ÀüÀÌ¿©ºÎ´Â bel-2¿Í p53 ¸ðµÎ ¿¬°ü°ü°è¸¦ º¸ÀÌÁö ¾Ê¾ÒÀ¸³ª
ÀÌ µÎÀ¯ÀüÀÎÀÚ°¡ ¿ª»ó°ü°ü°è¸¦ º¸À̸鼭(p<0.05) hormonal regulation¿¡ °ü¿©ÇÏ´Â Á¡Àº À̵é
ÀÇ »óÈ£°ü°èÀÇ ±Ô¸íÀÌ À¯¹æ¾ÏÀÇ ¹ß¾Ï±âÀü ¹× È£¸£¸óÄ¡·á¿¡¼­ÀÇ ¿ªÇÒÀ» ÀÌÇØÇϴµ¥ ±â¿©Çϸ®
¶ó º»´Ù.

Purpose : Bcl-2 and p53 are knows to act as a regulator of apoptosis in breast cancer
and we evaluated the significance of these gene expressions and correlation with
prognostic factors in breast cancer.
Materials and Methods : In order to investigate the expression of Bcl-2 and p53, we
analyzed immunochemistry staining from paraffin blocks in a series of 80 women with
breast cancer. Expression was then compared with the established indicators of
prognosis.
Results : Bcl-2 positivity was 45% and p53 was 32.2% . No relationships could be
observed between bcl-2 and node status, tumor size and also between p53 and node
status, differentiation, tumor size. Strong positive relationships were seen between bcl-2
and estrogen receptor(ER)(p<0.0001), progesterone receptor(PR)(p<0.001). p53 also
showed relationships with ER and PR(p<0.05) Histologic(p<0.05) and nuclear
grade(p<0.05) showed relationships with bcl-2 but not with p53. Inverse relationship was
noted between p53 and ER, PR(p<0.05). Inverse relationship was also found between
bcl-2 and p53 expression(p<0.001).
Conclusion : This study suggest that there may be a possibility that bel-2 and p53
expressions can affect tumor growth and prognosis in breast cancer patients.

Å°¿öµå

Breast cancer; Bcl-2; p53;

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