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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2006.1
- 수록면
- 203 - 209 (7page)
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Celecoxib is a selective inhibitor of cyclooxy genase-2 (COX-2) that is a critical factor in carcinogenesis, but precise mechanism of its action remains to be elucidated. Here we evaluated the inhibitory effect of celecoxib on cell growth of human oral squamous cell carcinoma (OSCC) YD-10B, which was established to be used as in vitro OSCC model, and identified celecoxib-regulated protein by proteomics techniques. Celecoxib (IC50 = 37 µM) inhibited the growth of YD-10B cells with the
decrease of COX-2 protein expression. Its inhibition could be linked in the arrest of G1 phase with increased levels of p27 protein, a specific CDK inhibitor. Using proteomics, the 10- to 20-fold increase of heterogeneous nuclear ribonuclear protein C (hnRNP C), which has been suggested to be related with the translation of p27 mRNA, was observed in celecoxib-treated YD-10B cells. In summary, celecoxib has a potential to induce the protein expression of hnRNP C and its increase subsequently induce the translation of p27 mRNA, which trigger the inhibition of cell growth via p27-regulated cell cycle arrest in YD-10B cells. In addition, YD-10B cells could be useful to study the pathological mechanism of OSCC.
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참고문헌 (20)
참고문헌 신청
/ / A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of pro-tein-dye binding : 248 ~ 54
/ / Antiangiogenic and chemopreventive activities of celecoxib in oral carcinoma cell
/ / Cell cycle-regulated phosphor-ylation of the pre-mRNA-binding pi (l-roma s) : 5762 ~ 70
/ / Serine/threonine phos-hnRNP C in celecoxib-induced growth inhibition 209phorylation regulates binding of C hnRNP proteins to pre-mRNA : 7764 ~ 8
/ 1995 / RNA chaperones and the RNA folding problem. 270 : 20871 ~ 4
/ / Antiangiogenic and chemopreventive activities of celecoxib in oral carcinoma cell
/ / Cell cycle-regulated phosphor-ylation of the pre-mRNA-binding pi (l-roma s) : 5762 ~ 70
/ / Serine/threonine phos-hnRNP C in celecoxib-induced growth inhibition 209phorylation regulates binding of C hnRNP proteins to pre-mRNA : 7764 ~ 8
/ 1995 / RNA chaperones and the RNA folding problem. 270 : 20871 ~ 4
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