Preferential cytotoxic effect of Newcastle disease virus on lymphoma cells

被引:31
作者
BarEli, N
Giloh, H
Schlesinger, M
ZakayRones, Z
机构
[1] HEBREW UNIV JERUSALEM, HADASSAH MED SCH, DEPT VIROL, IL-91120 JERUSALEM, ISRAEL
[2] HEBREW UNIV JERUSALEM, HADASSAH MED SCH, DEPT CLIN MICROBIOL & INFECT DIS, IL-91120 JERUSALEM, ISRAEL
关键词
Newcastle disease virus; selective viral cytotoxicity; lymphoma; lymphoblastoid and normal cells;
D O I
10.1007/BF01212880
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Susceptibility of lymphoma cells (Daudi, HD-Mar) to Newcastle disease virus toxicity was found to be higher than that of lymphoblastoid cells (Milstein) and of resting peripheral blood lymphocytes (PBL). Phytohemagglutinin- and/or pokeweed-mitogen-activated PBL however, exhibited, elevated sensitivity, similar to that of lymphoma cells. The level of cytotoxicity was monitored by cell viability, inhibition of DNA synthesis and release of Cr-51. When Daudi cells were mixed with PBL they were significantly more sensitive to the killing effect of the virus (70% mortality compared to 30% 30 h after infection, P < 0.05). The degree of sensitivity to viral cytotoxicity was unrelated to the efficacy of adsorption, which was similar for all cell lines as shown by immunofluorescent staining and flow cytometry. Also an influenza strain A/PR/8/34 (H1N1) adsorbed but did not affect the viability of any of the cells tested. Our results demonstrate that Newcastle disease virus caused preferential damage to lymphoma cells as compared to non-cancerous normal cells.
引用
收藏
页码:409 / 415
页数:7
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