Publication: Effect of linker length between variable domains of single chain variable fragment antibody against daidzin on its reactivity
Issued Date
2016-01-01
Resource Type
ISSN
13476947
09168451
09168451
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2-s2.0-84976481195
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Mahidol University
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SCOPUS
Bibliographic Citation
Bioscience, Biotechnology and Biochemistry. Vol.80, No.7 (2016), 1306-1312
Suggested Citation
Gorawit Yusakul, Seiichi Sakamoto, Benyakan Pongkitwitoon, Hiroyuki Tanaka, Satoshi Morimoto Effect of linker length between variable domains of single chain variable fragment antibody against daidzin on its reactivity. Bioscience, Biotechnology and Biochemistry. Vol.80, No.7 (2016), 1306-1312. doi:10.1080/09168451.2016.1156482 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/43157
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Title
Effect of linker length between variable domains of single chain variable fragment antibody against daidzin on its reactivity
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Abstract
© 2016 Japan Society for Bioscience, Biotechnology, and Agrochemistry. The peptide linker between variable domains of heavy (VH) and light (VL) chains is one of important factors that influence the characteristics of scFv, including binding activity and specificity against target antigen. The scFvs against daidzin (DZ-scFvs) with different linker lengths were constructed in the format of VH-(GGGGS)n-VL(n = 1, 3, 5, and 7). They were expressed in the hemolymph of silkworm larvae using the Bombyx mori nucleopolyhedrovirus (BmNPV) bacmid DNA system, and their reactivity against daidzin and related compounds were evaluated using an indirect competitive enzyme-linked immunosorbent assay (icELISA), which is applicable for quantitative analysis of daidzin. The results showed that the reactivity of scFvs against daidzin was increased, whereas specificity slightly decreased when their peptide linker was lengthened. These results suggested that the linker length of DZ-scFvs contributes to its reactivity. In addition, the results emphasize that the linker length could control the reactivity of DZ-scFvs.