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Fibrosis and cytokine mechanisms: relevant in hadron therapy?

机译:纤维化和细胞因子机制:与强子治疗有关吗?

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BACKGROUND: Cytokines are important for signalling between cells and tissues and constitute a humoral component of the response of cells and tissues to radiotherapy. Although several cytokines have been implicated in mediating radiation-induced reactions of normal tissues to both conventional photon and heavy ion irradiation, the mechanisms are only beginning to be elucidated. MATERIAL AND METHODS: Published and own data on radiation-induced cytokine expression from cell culture and clinical studies are reviewed. Current models of cytokine-mediated multicellular interactions in radiation-induced reactions are presented. RESULTS AND CONCLUSION: The major cytokines in the radiation response of non-hemopoietic tissues include IL-6, IL-1, TNF-alpha and TGF-beta. Different cell types interact via cytokines in a complex network of effector and receptor cells, including inflammatory cells, tissue-specific functional cells and fibroblasts. TGF-beta appears to be of particular importance in the development of late reactions to radiation therapy, such as fibrosis, in response to both conventional therapy as well as hadron therapy.
机译:背景:细胞因子对于细胞和组织之间的信号传导非常重要,并构成细胞和组织对放射疗法反应的体液成分。尽管已经有几种细胞因子参与介导正常组织对常规光子和重离子辐射的辐射诱导反应,但其机制才刚刚被阐明。材料与方法:综述了细胞培养和临床研究中有关辐射诱导的细胞因子表达的公开和自己的数据。介绍了辐射诱导反应中细胞因子介导的多细胞相互作用的当前模型。结果与结论:非造血组织辐射反应的主要细胞因子包括IL-6,IL-1,TNF-α和TGF-β。不同类型的细胞通过细胞因子在效应细胞和受体细胞(包括炎性细胞,组织特异性功能细胞和成纤维细胞)的复杂网络中相互作用。在对常规疗法和强子疗法的反应中,对于放射疗法的晚期反应的发展,例如纤维化,TGF-β似乎特别重要。

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