West China Journal of Stomatology
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XIONG Pei-ying, HUANG Sheng-gao, ZHANG Jian-xing
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Objective To study the role of microfilament polymerization in menchanotransduction by human perio- dontal ligament fibroblast(hPDLFs). Methods In tension-force group, hPDLFs were treated by tension-force values of 18% for 8 h, 16 h, 24 h. In tension-force and inhibitor group, the sample was treated with 5 μg/mL cytochalasin B before using tension-forece. Each sample was collected and the expression of cyclooxygenase-2 was measured by using immunohistoche staining. Results In tension-force group, the expression of cyclooxygenase-2 enhanced with the extension of loading time. In tension-force and inhibitor group, cyclooxygenase-2 expression was depressed and had no relation with loading time. Conclusion Tension-force induced cyclooxygenase-2 expression is mediated by microfilament, disruption of the microfilament polymerization will destroy mechanotransduction in hPDLFs.
Key words: human periodontal ligament fibroblast, cyclooxygenase-2, menchanotransduction, microfilament
XIONG Pei-ying, HUANG Sheng-gao, ZHANG Jian-xing. ension-force Induced Cyclooxygenase-2 Expression Mediated by Microfilament in Human Periodontal Liga-ment Fibroblast[J]. West China Journal of Stomatology.
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