The effect of varying the peptide linker length in a single chain variable fragment antibody against wogonin glucuronide

Madan Kumar Paudel, Seiichi Sakamoto, Le Van Huy, Hiroyuki Tanaka, Tomofumi Miyamoto, Satoshi Morimoto

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Peptide linkers of three different lengths were constructed to join the variable regions of the heavy chain (VH) and the light chain (VL) in a single-chain variable fragment antibody (scFv) specific for wogonin glucuronide (Wgn) that has the structure VH-(GGGGS)n–VL (n = 3, 5, or 7). The scFv antibodies, which were expressed in Escherichia coli, were derived from an anti-Wgn monoclonal antibody (315A). An indirect competitive enzyme-linked immunosorbent assay (icELISA) was used to evaluate their reactivity and sensitivity, which is also used for quantitative analysis of Wgn. Our results, showed that the reactivity and specificity of the three different scFvs were, in fact, similar. Subsequently, the scFv having a VH-(GGGGS)3–VL linker which was slightly better that other two scFvs against Wgn, was applied to indirect competitive ELISA (icELISA) to analyze Scutellariae Radix (S. Radix). The utility of the icELISA was demonstrated for quality control and analysis of S. Radix in this report.

Original languageEnglish
Pages (from-to)47-52
Number of pages6
JournalJournal of Biotechnology
Volume251
DOIs
Publication statusPublished - Jun 10 2017

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Single-Chain Antibodies
Glucuronides
Antibodies
Peptides
Assays
Enzymes
Scutellaria baicalensis
Immunosorbents
Monoclonal antibodies
Enzyme-Linked Immunosorbent Assay
Escherichia coli
Quality control
Chemical analysis
Quality Control
Monoclonal Antibodies
Light
wogonin

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

Cite this

The effect of varying the peptide linker length in a single chain variable fragment antibody against wogonin glucuronide. / Paudel, Madan Kumar; Sakamoto, Seiichi; Van Huy, Le; Tanaka, Hiroyuki; Miyamoto, Tomofumi; Morimoto, Satoshi.

In: Journal of Biotechnology, Vol. 251, 10.06.2017, p. 47-52.

Research output: Contribution to journalArticle

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AU - Miyamoto, Tomofumi

AU - Morimoto, Satoshi

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