重离子治疗肿瘤的两大优势
R730%Q691; 目的观察两种人恶性肿瘤细胞-人肝癌细胞SMMC-7721和人黑色素瘤细胞A375对高LET12C6+离子和γ射线照射的敏感性及分次效应,观察重离子治疗肿瘤的可行性及优势.方法以两种体外培养的来源于人体不同组织的具有高辐射抗性的恶性肿瘤细胞为实验对象,分别进行12C6+和γ射线0~6Gy内不同剂量点的单次和分次照射,采用克隆存活法统计细胞的存活分数.结果无论是单次还是分次照射,12C6+照射后两种细胞的存活分数均明显低于γ射线照射的细胞,而且重离子的分次效应明显降低.结论结果显示重离子在肿瘤治疗中的两个重要优势,即具有高的肿瘤杀伤力和低的分次效应,显示重离子照射引发的低修复...
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| Published in | 肿瘤防治研究 Vol. 33; no. 7; pp. 477 - 479 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国科学院研究生院%730000,兰州,中国科学院近代物理研究所
2006
730000,兰州,中国科学院近代物理研究所 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-8578 |
| DOI | 10.3971/j.issn.1000-8578.2006.07.001 |
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| Abstract | R730%Q691; 目的观察两种人恶性肿瘤细胞-人肝癌细胞SMMC-7721和人黑色素瘤细胞A375对高LET12C6+离子和γ射线照射的敏感性及分次效应,观察重离子治疗肿瘤的可行性及优势.方法以两种体外培养的来源于人体不同组织的具有高辐射抗性的恶性肿瘤细胞为实验对象,分别进行12C6+和γ射线0~6Gy内不同剂量点的单次和分次照射,采用克隆存活法统计细胞的存活分数.结果无论是单次还是分次照射,12C6+照射后两种细胞的存活分数均明显低于γ射线照射的细胞,而且重离子的分次效应明显降低.结论结果显示重离子在肿瘤治疗中的两个重要优势,即具有高的肿瘤杀伤力和低的分次效应,显示重离子照射引发的低修复现象,可使肿瘤放疗具有更高的效率. |
|---|---|
| AbstractList | R730%Q691; 目的观察两种人恶性肿瘤细胞-人肝癌细胞SMMC-7721和人黑色素瘤细胞A375对高LET12C6+离子和γ射线照射的敏感性及分次效应,观察重离子治疗肿瘤的可行性及优势.方法以两种体外培养的来源于人体不同组织的具有高辐射抗性的恶性肿瘤细胞为实验对象,分别进行12C6+和γ射线0~6Gy内不同剂量点的单次和分次照射,采用克隆存活法统计细胞的存活分数.结果无论是单次还是分次照射,12C6+照射后两种细胞的存活分数均明显低于γ射线照射的细胞,而且重离子的分次效应明显降低.结论结果显示重离子在肿瘤治疗中的两个重要优势,即具有高的肿瘤杀伤力和低的分次效应,显示重离子照射引发的低修复现象,可使肿瘤放疗具有更高的效率. |
| Author | 李文建 金晓东 郭传玲 魏巍 王菊芳 |
| AuthorAffiliation | 730000,兰州,中国科学院近代物理研究所;中国科学院研究生院%730000,兰州,中国科学院近代物理研究所 |
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| Author_FL | JIN Xiao-dong LI Wen-jian WANG Ju-fang WEI Wei GUO Chuan-ling |
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