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자료유형
학술저널
저자정보
Yoon, Ji-Young (Department of Dental Anesthesia and Pain Medicine, School of Dentistry, Pusan National University, Dental Research Institute) Kim, Do-Wan (Department of Dental Anesthesia and Pain Medicine, School of Dentistry, Pusan National University, Dental Research Institute) Kim, Eun-Jung (Department of Dental Anesthesia and Pain Medicine, School of Dentistry, Pusan National University, Dental Research Institute) Park, Bong-Soo (Department of Oral Anatomy, School of Dentistry, Pusan National University) Yoon, Ji-Uk (Department of Anesthesia and Pain Medicine, School of Medicine, Pusan National University) Kim, Hyung-Joon (Department of Oral Physiology, School of Dentistry, Pusan National University) Park, Jeong-Hoon (Department of Dental Anesthesia and Pain Medicine, School of Dentistry, Pusan National University, Dental Research Institute)
저널정보
대한치과마취과학회 Journal of dental anesthesia and pain medicine Journal of dental anesthesia and pain medicine 제16권 제4호
발행연도
2016.1
수록면
263 - 271 (9page)

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Background: Bone injury is common in many clinical situations, such as surgery or trauma. During surgery, excessive reactive oxygen species (ROS) production decreases the quality and quantity of osteoblasts. Remifentanil decreases ROS production, reducing oxidative stress and the inflammatory response. We investigated remifentanil's protective effects against $H_2O_2$-induced oxidative stress in osteoblasts. Methods: To investigate the effect of remifentanil on human fetal osteoblast (hFOB) cells, the cells were incubated with 1 ng/ml of remifentanil for 2 h before exposure to $H_2O_2$. For induction of oxidative stress, hFOB cells were then treated with $200{\mu}M$ $H_2O_2$ for 2 h. To evaluate the effect on autophagy, a separate group of cells were incubated with 1 mM 3-methyladenine (3-MA) before treatment with remifentanil and $H_2O_2$. Cell viability and apoptotic cell death were determined via MTT assay and Hoechst staining, respectively. Mineralized matrix formation was visualized using alizarin red S staining. Western blot analysis was used to determine the expression levels of bone-related genes. Results: Cell viability and mineralized matrix formation increased on remifentanil pretreatment before exposure to $H_2O_2$-induced oxidative stress. As determined via western blot analysis, remifentanil pretreatment increased the expression of bone-related genes (Col I, BMP-2, osterix, and $TGF-{\beta}$). However, pretreatment with 3-MA before exposure to remifentanil and $H_2O_2$ inhibited remifentanil's protective effects on hFOB cells during oxidative stress. Conclusions: We showed that remifentanil prevents oxidative damage in hFOB cells via a mechanism that may be highly related to autophagy. Further clinical studies are required to investigate its potential as a therapeutic agent.

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