OBJECTIVE:To establish an in vitro model of radiation-induced lung injury using rat lung alveolar macrophages(NR8383).METHODS:Using a medical electronic linear accelerator,cells were irradiated with either 0 Gy or 6 G...OBJECTIVE:To establish an in vitro model of radiation-induced lung injury using rat lung alveolar macrophages(NR8383).METHODS:Using a medical electronic linear accelerator,cells were irradiated with either 0 Gy or 6 Gy X-rays.At 6,12,24,30 and 48 h,the DNA damage index(8-OHd G)and lipid damage index(MDA)were measured in the two groups.We also determined the levels of tumor necrosis factor-alpha(TNF-α),interleukin-6(IL-6)and transforming growth factor-β(TGF-β).RESULTS:The levels of 8-OHd G and MDA in the 6 Gy irradiation group were higher than those in the0 Gy group at 6,12,24,30 and 48 h after irradiation.The levels reached the highest value-6 h after irradiation,and then gradually decreased.The levels of the inflammatory factors TNF-α,TGF-βand IL-6 were higher in the 6 Gy irradiation group than those in the 0 Gy group at 6,12,24,30 and 48 h after irradiation.CONCLUSION:Six Gy X-ray irradiated NR8383 cells can be used to establish an in-vitro model of radiation-induced lung injury.The levels of 8-OHd G,MDA,TNF-α,TGF-βand IL-6 can be used as effective evaluation indicators.展开更多
2025年北美放射学会(Radiological Society of North America,RSNA)年会心脏影像学领域呈现了丰富的学术内容,共收录近160篇摘要,主要围绕人工智能在心脏影像中的应用,心血管CT与MRI成像技术临床应用以及影像组学相关研究。本文旨在综...2025年北美放射学会(Radiological Society of North America,RSNA)年会心脏影像学领域呈现了丰富的学术内容,共收录近160篇摘要,主要围绕人工智能在心脏影像中的应用,心血管CT与MRI成像技术临床应用以及影像组学相关研究。本文旨在综述这些领域的最新进展,为心脏影像学研究者与临床医生提供前沿的学术动态和科研参考方向。展开更多
基金Supported by the National Natural Science Foundation of China the Mechanism Underlying Nourishing Yin,Clearing Lung and Activating Blood Circulation to Regulate AMPK Mediated Autophagy in Radiation-induced Lung Injury(No.81673754)。
文摘OBJECTIVE:To establish an in vitro model of radiation-induced lung injury using rat lung alveolar macrophages(NR8383).METHODS:Using a medical electronic linear accelerator,cells were irradiated with either 0 Gy or 6 Gy X-rays.At 6,12,24,30 and 48 h,the DNA damage index(8-OHd G)and lipid damage index(MDA)were measured in the two groups.We also determined the levels of tumor necrosis factor-alpha(TNF-α),interleukin-6(IL-6)and transforming growth factor-β(TGF-β).RESULTS:The levels of 8-OHd G and MDA in the 6 Gy irradiation group were higher than those in the0 Gy group at 6,12,24,30 and 48 h after irradiation.The levels reached the highest value-6 h after irradiation,and then gradually decreased.The levels of the inflammatory factors TNF-α,TGF-βand IL-6 were higher in the 6 Gy irradiation group than those in the 0 Gy group at 6,12,24,30 and 48 h after irradiation.CONCLUSION:Six Gy X-ray irradiated NR8383 cells can be used to establish an in-vitro model of radiation-induced lung injury.The levels of 8-OHd G,MDA,TNF-α,TGF-βand IL-6 can be used as effective evaluation indicators.
文摘2025年北美放射学会(Radiological Society of North America,RSNA)年会心脏影像学领域呈现了丰富的学术内容,共收录近160篇摘要,主要围绕人工智能在心脏影像中的应用,心血管CT与MRI成像技术临床应用以及影像组学相关研究。本文旨在综述这些领域的最新进展,为心脏影像学研究者与临床医生提供前沿的学术动态和科研参考方向。
