Effect of linker length between variable domains of single chain variable fragment antibody against daidzin on its reactivity

Gorawit Yusakul, Seiichi Sakamoto, Benyakan Pongkitwitoon, Hiroyuki Tanaka, Satoshi Morimoto

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

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-V L (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.

Original languageEnglish
Pages (from-to)1306-1312
Number of pages7
JournalBioscience, Biotechnology and Biochemistry
Volume80
Issue number7
DOIs
Publication statusPublished - Jan 1 2016

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Single-Chain Antibodies
Bombyx
Nucleopolyhedrovirus
Immunosorbents
Peptides
Hemolymph
Larva
Assays
Enzyme-Linked Immunosorbent Assay
Light
Antigens
daidzin
DNA
Enzymes
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

Cite this

Effect of linker length between variable domains of single chain variable fragment antibody against daidzin on its reactivity. / Yusakul, Gorawit; Sakamoto, Seiichi; Pongkitwitoon, Benyakan; Tanaka, Hiroyuki; Morimoto, Satoshi.

In: Bioscience, Biotechnology and Biochemistry, Vol. 80, No. 7, 01.01.2016, p. 1306-1312.

Research output: Contribution to journalArticle

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