首页> 美国卫生研究院文献>Journal of Clinical Microbiology >Destruction of bacterial viruses in serum by heat and radiation under conditions that sustain the ability of serum to support growth of cells in suspended culture.
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Destruction of bacterial viruses in serum by heat and radiation under conditions that sustain the ability of serum to support growth of cells in suspended culture.

机译:在维持血清支持悬浮培养细胞生长的能力的条件下通过加热和辐射破坏血清中的细菌病毒。

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摘要

Methods for inactivating bacterial viruses in serum were developed through the use of heat and ionizing radiation, and the effects of these treatments on the growth rates of cultured cells were tested. Viruses chosen for this study were the radiation-resistant bacteriphage f2 and heat-resistant phage T4. The viabilities of these phages were reduced more than 2 and 4 orders of magnitude, respectively, by a treatment at 60 degrees C for 30 min followed by 420 krads of ionizing radiation. Simultaneous application of heat and radiation caused a considerably greater reduction in viability of both phages in serum, but also caused a significant decrease in the growth rates of L cells in medium supplemented with serum treated in this manner. Treatment of serum with these same doses but given in the sequential fashion of heat followed by radiation caused little or no change in the growth rates of L cells. Finally, it was found that simultaneous treatment of serum with these doses of heat and radiation had little effect on the growth rates of either HeLa or Chinese hamster cells.
机译:通过加热和电离辐射开发了灭活血清中细菌病毒的方法,并测试了这些处理对培养细胞生长速率的影响。本研究选择的病毒是抗辐射细菌f2和耐热噬菌体T4。通过在60摄氏度下处理30分钟,然后进行420 krad电离辐射处理,这些噬菌体的活力分别降低了2个和4个数量级以上。热量和辐射的同时施加导致血清中两种噬菌体的活力大大降低,但也导致L细胞在补充了以这种方式处理的血清的培养基中的生长速率显着下降。用这些相同剂量的血清处理,但先后依次加热和放射,从而导致L细胞的生长率几乎没有变化。最后,发现用这些剂量的热量和辐射同时处理血清对HeLa或中国仓鼠细胞的生长速率几乎没有影响。

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