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  • Title: [Expression of gastrin and gastrin releasing peptide in patient's with gastric cancer by using tissue chip technique].
    Author: Lu MZ, Liu Y, Dai YZ, Yuan C, Deng Y.
    Journal: Zhonghua Wei Chang Wai Ke Za Zhi; 2005 Mar; 8(2):159-61. PubMed ID: 16155831.
    Abstract:
    OBJECTIVE: To study the expression of gastrin(GAS) and gastrin releasing peptide(GRP) in patients with gastric cancer and investigate the clinical significance. METHODS: The expression of GAS and GRP in sixty patients with gastric cancer was detected by using tissue chip technique and immunohistochemical methods. RESULTS: The positive rates of GAS and GRP were 30.0% and 11.7% respectively in 60 cases with gastric cancer. The positive rates of GAS and GRP were higher in moderately and poorly differentiated cancers than those in well differentiated cancer (P< 0.05). The positive rates of GAS and GRP were significantly higher in mucinous adenocarcinoma and signet-ring cell carcinoma than those in other types of gastric cancer (P< 0.05). The positive expression of GAS and GRP in gastric cancer was correlated with lymph node metastasis (P< 0.05). CONCLUSION: Tissue chip technique is a feasible,rapid,economic and accurate approach for screening clinical tissue specimens on a large scale.
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