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β-丙内酯对脑心肌炎病毒灭活效果的试验 被引量:3

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摘要 通过研究β-丙内酯(BPL)对脑心肌炎病毒(EMCV)灭活效果以及优化灭活条件,为制备脑心肌炎诊断试剂和疫苗提供参考依据。用终浓度分别为1∶1 000、1∶2 000、1∶4 000等的β-丙内酯灭活103TCID50滴度猪脑心肌炎病毒,采用4℃灭活4 h、8 h、12 h后37℃2 h,并将灭活后的病毒接种敏感细胞VREO上观察细胞病变(CPE)情况,选择未出现CPE的细胞孔盲传3代后,采用ELISA和PCR的方法观察灭活效果。结果显示:BPL浓度和反应时间与灭活效果存在明显的线性关系,但BPL浓度越高抗原性下降幅度越大,RT-PCR未有扩增,说明BPL可以用于EMCV的灭活,且根据试验结果优选灭活条件为BPL浓度为1:2 000,4℃灭活8h为最佳。结论表明:BPL完全可以用来灭活EMCV,为今后开发灭活疫苗或诊断试剂的生物安全性提供了保证。
出处 《中国兽医杂志》 CAS 北大核心 2011年第8期19-21,共3页 Chinese Journal of Veterinary Medicine
基金 国家民委科研项目(10XB03) 甘肃省教育厅科研项目(1018B-04)
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参考文献9

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共引文献82

同被引文献39

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