alexa [Molecules of G(2) M phase and the phosphorylation of survivin in the carcinogenesis of oral submucosal fibrosis].
Molecular Biology

Molecular Biology

Journal of Cytology & Histology

Author(s): Zhou SH, Li LL, Jian XC, Wang Y, Chen XQ,

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Abstract OBJECTIVE: To determine the expression of Cyclin B1, p34(cdc2) and the phosphorylation of survivin (p-survivin) in oral squamous cell carcinoma and oral submucosa fibrosis (OSF), and to discuss their possible role in carcinogenesis of OSF. METHODS: The expression of Cyclin B1, p34(cdc2) and p-survivin were analyzed by Western blotting assay in 10 cases of normal oral mucosa epithelium, 40 cases of OSF epithelium and 42 cases of oral squamous cell carcinoma (OSCC) originated from OSF, respectively. Immunoprecipitation was used to confirm the relationship between the p34(cdc2) and survivin. RESULTS: The expression of Cyclin B1, p34(cdc2), p-p34(cdc2) and p-survivin in OSF group were significantly higher than those in normal group (P < 0.05). The expression of these molecules showed significant different (P < 0.05) between the OSF and OSCC originated from OSF, but there was no significant difference among the early stage, the moderately advanced stage and the advanced stage of OSF. Immunoprecipitation assay confirmed the combination of p34(cdc2) and survivin. CONCLUSIONS: The important molecules in G(2)/M phase-Cyclin B1, p34(cdc2) and p-survivin may play a key role during the mitosis and proliferation of OSF, which will be helpful in early diagnosis and therapy of carcinogenesis of OSF.
This article was published in Zhonghua Kou Qiang Yi Xue Za Zhi and referenced in Journal of Cytology & Histology

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