| 위암에서 증식세포 핵항원 ( PCNA ) 발현이 예후에 미치는 영향 |
| 임호영, 김주항, 정현철, 엄효동, 최진혁, 이기범, 신동환, 노재경, 김병수 |
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| Prognostic Significance of Proliferating Cell Nuclear Antigen ( PCNA |
| Ho Yeong Lim, Joo Hang Kim, Hyun Cheol Chung, Hyo Dong Um, Jin Hyuk Choi, Byung Soo Kim, Dong Hwan Shin, Jae Kyung Roh, Byung Soo Kim |
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| ABSTRACT |
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Proliferatina cell nuclear antigen(PCNA) is known to be closely correlated with DNA synthesis and cell proliferation. Proliferative activities of tumors have recently been consid- ered as one of important prognostic factors in a variety of human cancers. A total of 195 gastric carcinomas was evaluated with immunohistochemical study, using an- tibody(PC 10) with special reference to the correlation between PCNA expression and progno- sis. PCNA expression was assessed semi-quantitatively based on the proportion of tumor cells with immunostained nuclei. There was no significant correlation between PCNA expression and clinicopathological variables such as age, sex, tumor site, size, histologic grade, tumor stage, or the presence of lymph node metastases. To analyse survival, we evaluated disease-free survival and overall survival according to the extent of PCNA expression. No significant correlations between PCNA expression and both disease-free survival and overall survival were found. In conclusion, PCNA expression assessed by semi-quantitative PCNA grading system was not a significant prognostic factor in gastric carcinoma. |
| Key words:
Gastric carcinoma, Prognosis, Proliferating cell nuclear antigen(PCNA) |
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