期刊简介
1977年创刊，中华人民共和国卫生部主管，中华医学会、中国医学科学院放射医学研究所主办。本刊是《国际医学》系列期刊之一，结合国内实际情况主要介绍国内外在放射医学与核医学两大领域中的新动态、新进步、新技术和新经验的国家级学术性、信息性杂志，以促进我国放射医学与核医学研究工作的发展。
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首页>国际放射医学核医学杂志
- 杂志名称：国际放射医学核医学杂志
- 主管单位：中华人民共和国国家卫生和计划生育委员会
- 主办单位：中华医学会 中国医学科学院放射医学研究所
- 国际刊号：1673-4114
- 国内刊号：12-1381/R
- 出版周期：
期刊荣誉：1999-2000年被天津市期刊质量评估为一级期刊期刊收录：
Ionizing Radiation Induces HMGB1 Cytoplasmic Translocation and Extracellular Release
Lili Wang；Li He；Guoqiang Bao；Xin He；Saijun Fan；Haichao Wang
关键词：X-Ray, HMGB1, Tumor Cells, inflammatory response, Damage-associated molecule pattern molecules
摘要：Objective A nucleosomal protein,HMGBI,can be secreted by activated immune cells or passively released by dying cells,thereby amplifying rigorous inflammatory responses.In this study we aimed to test the possibility that radiation similarly induces cytoplasmic HMGB1 translocation and release.Methods Human skin fibroblast (GM0639) and bronchial epithelial (16HBE) cells and rats were exposed to X-ray radiation,and HMGB1 translocation and release were then assessed by immunocytochemistry and immunoassay,respectively.Results At a wide dose range(4.0-12.0 Gy),X-ray radiation induced a dramatic cytoplasmic HMGB1 translocation,and triggered a time-and dose-dependent HMGB1 release both in vitro and in vivo.The radiation-mediated HMGB1 release was also associated with noticeable chromosomal DNA damage and loss of cell viability.Conclusions Radiation induces HMGB1 cytoplasmic translocation and extracellular release through active secretion and passive leakage processes.
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