通过定制培养媒介优化,增强黄热病病毒的产生
Hareesh Reddy Narreddy1, Ratna Prakash Kondapalli2, T C Venkateswarulu1
1Department of Biotechnology, Vignan's Foundation for Science, Technology and Research, Guntur, Andhra Pradesh, India.
Preparative biochemistry & biotechnology
|June 26, 2024
概括
优化细胞培养基混合物显著提高黄热病病毒 (YFV) 产量. 一种特定的M9和M10介质混合物实现了2log标位的增加,产生1.92 × 10^5剂量.
科学领域:
- 生物技术是生物技术.
- 病毒学 病毒学
- 细胞培养技术 细胞培养技术
背景情况:
- 优化细胞培养基对于有效的病毒生产至关重要.
- 黄热病病毒 (YFV) 疫苗生产需要高位数的病毒库存.
- 选和优化媒体组合可以提高病毒产量.
研究的目的:
- 确定最佳的细胞培养基混合物,以提高黄热病病毒 (YFV) 的产生.
- 评估不同媒体组合对YFV标题的影响.
- 确定选择媒介的理想比例,以最大限度地提高病毒产量.
主要方法:
- 最初对12种细胞培养基进行查,选择前四种进行进一步研究.
- 使用Augmented simplex中心体混合设计来优化媒体混合.
- 应用二次模型来分析混合物设计数据并确定最佳比率.
主要成果:
- 媒体M10对YFV产量产生了最大影响,其次是M9,M4和M1.
- 在大约38:62比率的M9和M10介质的混合物显著增加了YFV标题.
- 最佳的介质混合物导致病毒标位为2.6 × 10^8 PFU/ml,增加了2个日志.
结论:
- 媒体混合设计是增强病毒产生的一种有效策略.
- 优化的M9和M10介质混合物显著提高了YFV产量,而不会改变生长条件.
- 这种方法为增加YFV疫苗前体生产提供了一种可扩展的方法.
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