期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 372, 期 4, 页码 792-797出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2008.05.140
关键词
eckol; ionizing radiation; apoptosis; radioprotection; mice
To investigate the radioprotective potential of eckol, a component of the seaweed Ecklonia cava, against radiation in vivo, we evaluated the effect of eckol on cyto- and histo-protective capability of the lymphocytes and intestine against damage induced by a single whole body irradiation (WBI) in vivo. Here, we ascertained that eckol protected the lymphocytes' viability and rescued intestinal cells from radiation-induced apoptosis by decreasing the amount of pro-apoptotic p53 and Bax and increasing that of antiapoptotic Bcl-2. These findings indicate that the overexpression of anti-apoptotic protein, which may lead to resistance to DNA damage, is involved deeply in protection of gastrointestinal cells after irradiation. Thus, eckol that can protect cells and tissues against ionizing radiation may have considerable potential as adjuncts to successful radiotherapy. (c) 2008 Elsevier Inc. All rights reserved.
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