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ÀÌ»ó¼÷/Sang Sook Lee Á¶°©·¡/À±Ã¶Èñ/±è»óÇ¥/¹Ú°ü±Ô/ÀåÀº¼÷/¼ÕÀºÀÍ/Kam Rae Cho/Cheoul Hee Yun/Sang Pyo Kim/Kwan Kyu Park/Eun Sook Chang/Eun Ik Sohn

Abstract

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±³Á¾ÀÇ Á¶Á÷ÇÐÀû À¯Çü¿¡ µû¸¥ »ó°ü°ü°è¸¦ º¸°íÀÚ p53 ´ÜŬ·Ð Ç×ü¸¦ ÀÌ¿ëÇÏ¿© Æ÷¸£¸»¸°¿¡
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Çü¼º±³¸ð¼¼Æ÷Á¾ Á¶Á÷À» ÀÌ¿ëÇÏ¿© micro-wave-assisted avidin-biotin¹æ¹ý¿¡ ÀÇÇØ ¸é¿ªÈ­ÇÐ
Àû ¿°»öÀ» ½Ç½ÃÇÑ °á°ú 66.7%ÀÇ ÅðÇ༺, ¼º»ó¼¼Æ÷Á¾°ú 72.2%ÀÇ ´ÙÇü¼º±³¸ð¼¼Æ÷Á¾¿¡¼­ p53
´Ü¹éÀÇ °úÇ¥ÇöÀÌ °üÂûµÇ¾úÀ¸¸ç ´ÙÇü¼º±³¸ð¼¼Æ÷Á¾¿¡¼­ ´õ¿í °­ÇÏ°Ô ÇÙ¿¡ ¿°»öµÇ¾ú´Ù. ±× ¿Ü
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ÀÌ¿Í °°Àº ¼Ò°ßÀ¸·Î º¸¾Æ p53 º¯ÀÌ°¡ ¾Ç¼º±³¼¼Æ÷Á¾ÀÇ ¹ß»ý ¹× ÁøÀü¿¡ °ü¿©ÇÏ¸ç ¶ÇÇÑ p53
´Ü¹éÀÇ ¹ßÇöÀº ¼º»ó¼¼Æ÷Á¾ÀÇ ¾Ç¼ºµµ¸¦ °áÁ¤Çϴµ¥ ÇÑ ¿ªÇÒÀ» ÇÑ´Ù°í »ý°¢µÈ´Ù
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A total of 30 cases of cerebral gliomas, including 6 cases of loll grade ashrocytomas,
6 anaplastic astrocytomas and 18 glioblastomas multiforme, was examined
immunohistochemically to deionstrate the ovarexpression of mutant forms of p53 protein
and to evaluate their relationships with histological subtypes. A p53 monoclonal antibody
was applied to the routine formatin-fixed, paraffin-embedded tissues fort this study
using sicroctave-assisted avidin-biotin method. Overexpression of p53 protein was
identified in 4 out of 6 anaplastic astrocytomas (66.7%) and in 13 out of 18
glioblastomas multiforme(72.2%). No immunohistochemical positivity of p53 was found in
adjacent normal blain tissue, gliosis and 6 cases of astrocytoma. These results suggest
that overexprerosion of mutant p53 may be an important step in the development and
propression of malignant astrocytoma, especially of the aggressive subtypes of glioma,
including glioblastoma ,multiforme.

Å°¿öµå

p53; Anaplastic astrocytoma; Glioblastoma multiforme; Immunohistochemistry;

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