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  • Title: [Expression of aquaporin-8 and bcl-2 protein in human cervical carcinoma and their correlations].
    Author: Yao JF, Zhou CY, Wei LF, Wang SY, Shi YF.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 2008 Mar; 43(3):205-8. PubMed ID: 18788571.
    Abstract:
    OBJECTIVE: To investigate the expression of aquaporin-8 (AQP8) and apoptosis associated bcl-2 protein in human cervical carcinoma and their relationship. METHODS: The expression of AQP8 and bcl-2 protein in 74 cases of cervical carcinoma (46 cases of squamous-cell carcinoma of the uterine cervix, 28 cases of adenocarcinoma of the uterine cervix), 34 cases of cervical intraepithelial neoplasia (CIN) and 15 cases of normal cervices were detected by immunohistochemical technique, and their clinical significance were analyzed. RESULTS: The expression of AQP8 and bcl-2 protein were detected in intracytoplasm of atypia cells in CIN, squamous-cell carcinoma and adenocarcinoma of the uterine cervix. The positive rates of AQP8 and bcl-2 in squamous-cell carcinoma, adenocarcinoma, CIN and normal cervical epithelium were 98%, 74%; 61%, 71%; 71%, 53% ; 53%, 20% respectively. There were significant differences between squamous-cell carcinoma of the uterine cervix and other groups in AQP8 (P < 0.01), but no significant differences were found in any other groups. There were significant differences between squamous-cell carcinoma of the uterine cervix and CIN or normal cervical epithelium in bcl-2, so were between adenocarcinoma of the uterine cervix. The expression of AQP8 was positively correlated with bcl-2 in human cervical carcinoma( r(s) = 0.463, P = 0.000). CONCLUSIONS: There is a close relationship between high expression of AQP8 and development of human cervical carcinoma. The expression of AQP8 protein is positively correlated with bcl-2 protein in human cervical carcinoma. AQP8 protein may have anti-apoptosis function, although the detailed mechanism in human cervical carcinoma remains to be clarified.
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