[Expression of nm23 and proliferating cell nuclear antigen (PCNA) in human brain gliomas and their significance]

[Expression of nm23 and proliferating cell nuclear antigen (PCNA) in human brain gliomas and their significance] Research Abstract Details 

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[Expression of nm23 and proliferating cell nuclear antigen (PCNA) in human brain gliomas and their significance] Abstract Text:

Ping-Guo Tan,Ze-Qun Li,Wang-Qing Cai,Jian-Ping Lu,Fu-Sheng Xie,Yang Weng,

BACKGROUND & OBJECTIVE: Brain gliomas seldom undergo extracranial metastasis. Local recurrence is the main reason of tumor patient's death. Therefore, it is important to detect tumor biological features through determination of gene expression. This study was designed to investigate the expression of nm23 (non-metastasis gene, nm23)and PCNA (proliferating cell nuclear antigen) and evaluate the malignancy, recurrence, and prognosis of the tumor. METHODS: In 50 specimens of different malignant gliomas,the expression of nm23 and PCNA were examined using SP immunohistochemical staining. RESULTS: (1)The label indexes of nm23 and PCNA in low-grade gliomas were 3.40+/-0.27 and 3.60+/-0.05, respectively; while the label indexes of nm23 and PCNA in high-grade gliomas were 1.72+/-0.18 and 6.20+/-0.23, respectively.There was significant difference between the two groups(P< 0.05). (2)The positive rates of nm23 and PCNA were 56% (14 cases) and 64% (16 cases) in 25 cases of low-grade gliomas, while the positive rates of nm23 and PCNA were 12% (3 cases) and 88% (22 cases) in 25 cases of high-grade gliomas. There was significant difference between the two groups (P< 0.05). (3)The positive rates of nm23 and PCNA were 0% (0 cases) and 100% (9 cases) in 9 cases of recurrent gliomas, while the positive rates of nm23 and PCNA were 50%(34 cases) and 50%(4 cases) in 8 cases of non-recurrent gliomas. There was significant difference between the two groups (P< 0.05). (4)The label indexes of nm23 and PCNA in gliomas were inversely correlated (r=-0.5335,P< 0.001). CONCLUSION: (1)The expression of nm23 is inversely correlated with the malignancy of gliomas,i.e.the lower expression indicates the higher malignancy. (2)The expression of PCNA is associated with the increased malignancy. (3)Both nm23 and PCNA may be useful biological markers to evaluate the malignancy and prognosis of patients with gliomas.

[Expression of nm23 and proliferating cell nuclear antigen (PCNA) in human brain gliomas and their significance] Publishing Authors By Initials

PG Tan,ZQ Li,WQ Cai,JP Lu,FS Xie,Y Weng,

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[Expression of nm23 and proliferating cell nuclear antigen (PCNA) in human brain gliomas and their significance] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Ai zheng = Aizheng = Chinese journal of cancer

VOLUME: 22

Page Numbers: 1077-80

Journal Abbreviation: Ai Zheng

ISSN: 1000-467X

DAY: 15

MONTH: Oct

YEAR: 2003

[Expression of nm23 and proliferating cell nuclear antigen (PCNA) in human brain gliomas and their significance] Information

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LANGUAGE: chi

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AFFILIATION: Department of Neurosurgery, The Second Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, 510120, PR China.

Country: China

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MEDLINETA: Ai Zheng

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