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https://irlib.pccu.edu.tw/handle/987654321/26915
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| 題名: | Sorafenib induces autophagy and suppresses activation of human macrophage |
| 作者: | Lin, JC (Lin, Jiunn-Chang)
Liu, CL (Liu, Chien-Liang)
Lee, JJ (Lee, Jie-Jen)
Liu, TP (Liu, Tsan-Pai)
Ko, WC (Ko, Wen-Chin)
Huang, YC (Huang, Yu-Chuen)
Wu, CH (Wu, Chih-Hsiung)
Chen, YJ (Chen, Yu-Jen) |
| 貢獻者: | Grad Inst Sport Coaching Sci |
| 關鍵詞: | Sorafenib
Macrophage
Autophagy |
| 日期: | 2013-02 |
| 上傳時間: | 2014-03-03 10:22:48 (UTC+8) |
| 摘要: | Background: Sorafenib, a multi-kinase inhibitor approved for treatment of advanced renal cell carcinoma and other malignancies, has been shown as a modulator for dendritic cells. This study was designed to examine the effects of sorafenib on macrophages, the major ontogeny of innate immunity.
Materials and methods: Macrophages were derived from sorted CD14(+) monocytes of human peripheral blood mononuclear cells. Cell viability and surface antigens were examined by trypan blue analysis. Autophagy was characterized by light microscopy and transmission electron microscopy for morphology, Western blotting for microtubule associated light chain protein 3B (LC-3B) I lipidation, and acridine orange staining for acidic component vacuoles. Soluble factors contained in culture medium and serum were measured by ELISA.
Results: We found that sorafenib inhibited the viability of macrophages accompanied by morphological changes characteristic of autophagy. This autophagy-inducing effect was validated by LC3B-I lipidation and autophagosome accumulation. The surface antigen expression and the function of activated macrophages were inhibited by sorafenib, including the expression of co-stimulatory molecule CD80, phagocytosis, and the production of reactive oxygen species. The secretion of IL-10, but not IL-6, TNF-alpha nor TGF-beta, was reduced by sorafenib.
Conclusion: Sorafenib, in addition to being a cancer targeted therapeutic agent, can induce autophagy and modulate the function of human macrophages. (C) 2013 Elsevier B.V. All rights reserved. |
| 關聯: | INTERNATIONAL IMMUNOPHARMACOLOGY Volume: 15 Issue: 2 Pages: 333-339 |
| 顯示於類別: | [運動教練研究所] 期刊論文
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