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À¯¹æ¾Ï¿¡¼­ p53 ¹× c-erbB-2ÀÇ ¹ßÇö Expression of p53 Protein and c-erbB-2 Oncoprotein in Breast Carcinoma

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Abstract

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1987³â 6¿ùºÎÅÍ 1994³â 7¿ù±îÁö 7³â 2°³¿ù µ¿¾È ¿µ³²´ëÇб³ ÀÇ°ú´ëÇÐ º´¸®Çб³½Ç¿¡¼­ Áø´Ü
µÈ À¯¹æ¾Ï 145 ¿¹¸¦ ´ë»óÀ¸·Î ÇÏ¿© ¸é¿ªÁ¶Á÷È­ÇÐÀû ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© p53 ´Ü¹é ¹× c-erbB-2
Á¾¾ç´Ü¹éÀ» ¹ßÇö½ÃÄÑ ÀÌ¹Ì ¾Ë·ÁÁø Á¶Á÷ÇÐÀû ¿¹ÈÄÀÎÀÚ¿ÍÀÇ °ü·Ã¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. 145¿¹Áß Ä§
À±¼º °ü»óÇǾÏÁ¾ÀÌ 129¿¹(89%)¿´´Ù. ħÀ±¼º °ü»óÇǾÏÁ¾ 129¿¹¿¡¼­ÀÇ p53 ´Ü¹é, c-erbB-2 Á¾
¾ç´Ü¹éÀÇ ¾ç¼ºÀ²Àº °¢°¢ 48% ¹× 30%¿´´Ù. p53 ´Ü¹éÀÇ ¹ßÇöÀº Á¶Á÷ÇÐÀû ºÐÈ­µµ(p<0.05), ½É
ÇÑ ÇÙÀÇ ´ÙÇü¼º(p<0.05), ³ôÀº À¯»çºÐ¿­Áö¼ö(p<0.05), ³ôÀº SBR µî±Þ(p<0.05) ¹× ³ôÀº
MSBR µî±Þ(p<0.05)°ú °ü·Ã¼ºÀÌ ÀÖ¾úÀ¸³ª ³ªÀÌ, Á¾¾çÀÇ Å©±â, ¸²ÇÁÀý ÀüÀÌÀ¯¹«¿Í´Â °ü·Ã¼º
ÀÌ ¾ø¾ú´Ù. c-erbB-2 Á¾¾ç´Ü¹éÀº ½ÉÇÑ ÇÙÀÇ ´ÙÇü¼º(p<0.05)°ú ³ôÀº SBR µî±Þ(p<0.05)°ú¸¸
°ü·Ã¼ºÀÌ ÀÖ¾ú´Ù. p53 ´Ü¹é¹ßÇöÀº À½¼º ¿¡½ºÆ®·Î°Õ°ú °ü·Ã¼ºÀÌ ÀÖ¾ú´Ù. p53 ´Ü¹é°ú
c-erbB-2 Á¾¾ç´Ü¹é »óÈ£°£¿¡´Â °ü·Ã¼ºÀÌ ÀÖ¾ú´Ù.
°á·ÐÀûÀ¸·Î p53 ´Ü¹é ¹× c-erbB-2 Á¾¾ç´Ü¹éÀº À¯¹æÀÇ Ä§À±¼º °ü»óÇǾÏÁ¾¿¡¼­ ¿¹ÈÄÀÎÀÚ°¡
µÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÇ¸ç, ƯÈ÷ p53 ´Ü¹éÀº ÀÌ¹Ì ¾Ë·ÁÁø Á¶Á÷ÇÐÀû ¿¹ÈÄÀÎÀÚ ¹× À½¼º ¿¡
½ºÆ®·Î°Õ°ú ¹ÐÁ¢ÇÑ °ü·Ã¼ºÀÌ ÀÖ¾î °¡Àå Áß¿äÇÑ ¿¹ÈÄÀÎÀÚ°¡ µÈ´Ù°í »ý°¢ÇÏ¿´´Ù.
#ÃÊ·Ï#
This study was conducted to evaluate the expression of p53 and c-erbB-2 using
immunohistochemical methods in 145 primary breast carcinomas and to correlate it with
other histopathological prognostic factors. Invasive ductal carcinoma represented 129 of
the cases. Expression of p53 protein and c-erbB-2 oncoprotein was present in 48%
(62/129) and 30% (39/129) of invasive ductal carcinomas, respectively, The expression of
p53 protein was stongly associated with a high score of degree of differentiation
(p<0.05), nuclear pleomorphism (p<0.05), mitotic index (p<0.05), SBR grade (p<0.05) and
MSBR grade (p<0.05), but it was not associated with patient's age, size of tumor or
axillary node metastasis. The overexpression of c-erbB-2 oncoprotein was strongly
associated with a high score of nuclear pleomorphism and a high SBR grade (p<0.05),
but not associated with patient's age, size of tumor, axillary node metastasis, degree of
differentiation, mitotic index or MSBR grade. An inverse relationship between the
expression of p53 protein and estrogen receptor status was found, but the expression of
c-erbB-2 was not associated with estrogen receptor status.
It is concluded that p53 protein and c-erbB-2 oncoprotein are important prognostic
factors in breast cancers, and that the aberrant expression of p53 protein is the most
useful prognostic factor because of strong association of blown histopathological
prognostic factors and negative estrogen receptor status.

Å°¿öµå

p53; c-erbB-2; Immunostaining; Breast Carcinoma; Prognosis;

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