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学科主题: 临床医学
题名:
Specific Hemosiderin Deposition in Spleen Induced by a Low Dose of Cisplatin: Altered Iron Metabolism and Its Implication as an Acute Hemosiderin Formation Model
作者: Wang, Yingze1,2,3; Lv, Juan3,4; Ma, Xiaowei3; Wang, Dongliang3; Ma, Huili3; Chang, Yanzhong1; Nie, Guangjun3; Jia, Lee3; Duan, Xianglin1; Liang, Xing-Jie3
关键词: CP: cis-diamminedichloroplatinum II ; hemosiderin ; ferroportin ; ferritin ; hepcidin
刊名: CURRENT DRUG METABOLISM
发表日期: 2010-07-01
卷: 11, 期:6, 页:507-515
收录类别: SCI
文章类型: Review
WOS标题词: Science & Technology
类目[WOS]: Biochemistry & Molecular Biology ; Pharmacology & Pharmacy
研究领域[WOS]: Biochemistry & Molecular Biology ; Pharmacology & Pharmacy
关键词[WOS]: CELL-LINES ; SPLENIC MACROPHAGES ; FERRITIN ; RATS ; LIVER ; ACCUMULATION ; INFLAMMATION ; FERROPORTIN ; RESISTANCE ; MEMBRANE
英文摘要:

Cisplatin is one of the commonly-used chemotherapeutic drugs to efficiently treat malignant tumors in clinic, however, the adverse effects of cisplatin such as nephrotoxicity, neurotoxcity, and hemolytic uremic syndrome are often observed at its clinical doses (similar to 60 mg/m(2)), which limit its broader application. In earlier studies, little attention was paid to the subtle changes in the architecture of lymphatic organs after low doses of cisplatin treatment. This paper reviews current understanding of cisplatin-induced erythrocyte injury, and presents our latest finding that a low dose of cisplatin (3.6 mg/m(2)/day, 14 days) could induce specific hemosiderin deposition in spleen of both normal and hepatoma-22 (H22) inoculated Balb/C mice. This dose of cisplatin significantly inhibited H22-induced acute ascites development. No significant toxicity was induced by this dose of cisplatin to tissues except for hemosiderin accumulation in the spleen of both normal and H22 tumor-bearing mice. Increased splenic iron content and erythrocyte injury were observed after treatment with the low dose of cisplatin. The mRNA levels of ferroportin (FPN1) and ferritin were upregulated by 25 and 5-fold in spleen, respectively. Overexpression of FPN1 and ferritin protein were also been observed at protein levels by Western blotting analysis. In addition, the mRNA expression of hepcidin was also increased, suggesting blockage of iron recycling through FPN1 in spleen with cisplatin treatment. In conclusion, cisplatin treatment damages the erythrocytes which accumulate in the red pulp of spleen with defective recycling of FPN1 and ferritin protein. Hepcidin inhibits the function of FPN1 as iron-exporter leading to iron overloaded inside ferritins of splenic cells, which are stained with abnormal hemosiderin accumulation. These results demonstrate that cisplatin-caused hemosiderin deposition in spleen provides a valuable clue for understanding the molecular basis of toxicity of cisplatin and hemosiderin accumulation and iron metabolism in vivo.

语种: 英语
所属项目编号: 30970784 ; 30870265 ; 2009CB930200 ; 07165111ZX ; 2008DFA-01510
项目资助者: Chinese Natural Science Foundation ; National Key Basic Research Program of China ; Chinese Academy of Sciences (CAS) ; China-Finland Bilateral Nanotechnology Collaboration
WOS记录号: WOS:000280130100003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/57849
Appears in Collections:北京大学临床肿瘤学院_期刊论文

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作者单位: 1.Hebei Normal Univ, Coll Life Sci, Lab Mol Iron Metab, Shijiazhuang 050016, Peoples R China
2.Hebei Univ Sci & Technol, Coll Biosci & Bioengn, Shijiazhuang 050018, Peoples R China
3.Natl Ctr Nanosci & Technol China, CAS Key Lab Biomed Effects Nanomat & Nanosafety, Beijing 100190, Peoples R China
4.Peking Univ, Sch Oncol, Key Lab Carcinogenesis & Translat Res, Dept Biochem & Mol Biol, Beijing 100142, Peoples R China

Recommended Citation:
Wang, Yingze,Lv, Juan,Ma, Xiaowei,et al. Specific Hemosiderin Deposition in Spleen Induced by a Low Dose of Cisplatin: Altered Iron Metabolism and Its Implication as an Acute Hemosiderin Formation Model[J]. CURRENT DRUG METABOLISM,2010,11(6):507-515.
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