铼-188和平阳霉素联合导向治疗前列腺癌的体外作用
[目的]探讨前列腺特异膜抗原单克隆抗体7E11C5.3介导铼-188和平阳霉素(PYM)导向治疗前列腺癌细胞系LNCaP的体外作用。[方法]以葡聚糖为中介体制备7E11C5.3-PYM偶联物,间接ELISA法测定免疫活性,2,3,5-氯化三苯基四氮唑(TTC)法测定抑菌活性。采用2-巯基乙醇直接还原法制备188Re-7E11C5.3标记物,纸层析法测定标记率和放化纯度,直线回归外推法测定免疫活性分数。四唑盐(MTT)法测定体外细胞毒作用。[结果]7E11C5.3-PYM偶联物中7E11C5.3和PYM的克分子比为1∶54,偶联后单抗的免疫活性降低了10%~20%,偶联物中PYM的抑菌活性为游离...
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Main Authors: | , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2008-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Subjects: | |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43581696/ |
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