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DNA Libraries for the Construction of Phage Libraries: Statistical and Structural Requirements and Synthetic Methods

机译:用于构建噬菌体图书馆的DNA图书馆:统计和结构要求及合成方法

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摘要

Peptide-based molecular probes identified by bacteriophage (phage) display technology expand the peptide repertoire for in vivo diagnosis and therapy of cancer. Numerous peptides that bind cancer-associated antigens have been discovered by panning phage libraries. However, until now only few of the peptides selected by phage display have entered clinical applications. The success of phage derived peptides essentially depends on the quality of the library screened. This review summarizes the methods to achieve highly homogenous libraries that cover a maximal sequence space. Biochemical and chemical strategies for the synthesis of DNA libraries and the techniques for their integration into the viral genome are discussed in detail. A focus is set on the methods that enable the exclusion of disturbing sequences. In addition, the parameters that define the variability, the minimal numbers of copies per library and the use of alternating panning cycles to avoid the loss of selected hits are evaluated.
机译:通过噬菌体(噬菌体)展示技术鉴定的基于肽的分子探针扩展了用于癌症的体内诊断和治疗的肽库。通过淘选噬菌体文库已经发现了许多结合癌症相关抗原的肽。然而,到目前为止,通过噬菌体展示选择的肽中只有极少数进入了临床应用。噬菌体衍生肽的成功基本上取决于所筛选文库的质量。这篇综述总结了实现覆盖最大序列空间的高度同质文库的方法。详细讨论了合成DNA文库的生化和化学策略以及将其整合到病毒基因组中的技术。将重点放在能够排除干扰序列的方法上。此外,还评估了定义可变性的参数,每个文库的最小拷贝数以及使用交替的淘选周期以避免丢失所选匹配的情况。

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