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The Relationship between nm23 and p16 Gene Synergy Expression and Gastric Cancer Biological Characteristic and Prognosis
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Abstract:
To examine and analyze the nm23, p16 gene expression in gastric cancer tissure,and follow up patients 5 years to discuss the relationship between nm23 and p16 gene synergy expression and gastric cancer biological characteristic and prognosis.Methods: nm23 and p16 protein in gastric cancer tissue and control were detected by immunohistochemistry,and the patients had been followed up for 5 years. Results: In 84 samples of gastric cancer, nm23 positive rate was 46.43%, p16 was 44.05%, the positive rate of gastric cancer tissue and metastasitic lymph node was lower than that of normal control, normal tissue near cancer or benign polyp,and these two genes were related to the depth of tumor invasion and clinical stage.The mortality and recurrence-metastasis rate was higher in these low expression group, and had a shorter median survive period. Conclusion: Abnormal expression of nm23 and p16 gene plays a important role in gastric cancer recurrence and devolepment and may be one of markers for evaluating tumor biological behavior and prognosis.
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