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3种培养方法培养脊髓灰质炎病毒过程中病毒繁殖特性比较 被引量:1

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摘要 目的 比较3种培养方法培养脊髓灰质炎病毒过程中病毒繁殖动力学特性。方法 分别用悬浮吸附法、静止吸附法和非吸附法培养脊髓灰质炎病毒(SabinⅠ、Ⅱ、中Ⅲ2型),分别在间隔12h时取样,至细胞完全病变或96h,用微量细胞病变法检测感染性滴度,绘制病毒一步生长曲线。结果 悬浮吸附法病毒增殖快,2:1分种率时,60h细胞完全病变,滴度最高,分别为SabinⅠ型9.000LgCCID50/ml、SabinⅡ型8.500LgCCID50/ml、中Ⅲ2型8.750LgCCID50/ml;1:1分种率时,SabinⅠ型在60h完全病变,滴度为8.875LgCCID50/ml,SabinⅡ型和中Ⅲ2型在70h完全病变,滴度分别为8.000LgCCID50/ml和8.125LgCCID50/ml;静止吸附法1与静止吸附法2差异不明显,96h时,仍有约10%~20%细胞未发生病变,静止吸附法1滴度为SabinⅠ型7.125LgCCID50/ml、SabinⅡ型6.500LgCCID50/ml、中Ⅲ2型6.375LgCCID50/ml,静止吸附法2滴度为SabinⅠ型7.250LgCCID50/ml、SabinⅡ型6.875LgCCID50/ml、中Ⅲ2型7.000LgCCID50/ml;非吸附培养法,在96h,有20%细胞未发生病变或病变程度较轻。滴度为SabinⅠ型7.250LgCCID50/ml、SabinⅡ型5.625LgCCID50/ml、中Ⅲ2型6.375LgCCID50/ml。在12h,悬浮吸附法(分种率2:1)培养三型病毒滴度已分别达到6.000、6.125和6.250LgCCID50/ml,略高于悬浮吸附法(分种率1:1)达到的值,而静止吸附法及非吸附法培养至36h,病毒滴度才达到相近的水平。结论 在3种培养方法中,悬浮吸附法明显优于静止吸附法和非吸附法。
出处 《中国生物制品学杂志》 CAS CSCD 2006年第6期636-638,共3页 Chinese Journal of Biologicals
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同被引文献12

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