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We began analyzing https://link.springer.com/article/10.1007/s00253-005-0300-7, but it redirected us to https://link.springer.com/article/10.1007/s00253-005-0300-7. The analysis below is for the second page.

Title[redir]:
Selection and optimization of proteolytically stable llama single-domain antibody fragments for oral immunotherapy | Applied Microbiology and Biotechnology
Description:
We previously demonstrated that oral application of the recombinant single-domain antibody fragment (VHH) clone K609, directed against Escherichia coli F4 fimbriae, reduced E. coli-induced diarrhoea in piglets, but only at high VHH doses. We have now shown that a large portion of the orally applied K609 VHH is proteolytically degraded in the stomach. Stringent selection for proteolytic stability identified seven VHHs with 7- to 138-fold increased stability after in vitro incubation in gastric fluid. By DNA shuffling we obtained four clones with a further 1.5- to 3-fold increased in vitro stability. These VHHs differed by at most ten amino acid residues from each other and K609 that were scattered over the VHH sequence and did not overlap with predicted protease cleavage sites. The most stable clone, K922, retained 41% activity after incubation in gastric fluid and 90% in jejunal fluid. Oral application of K922 to piglets confirmed its improved proteolytic stability. In addition, K922 bound to F4 fimbriae with higher affinity and inhibited fimbrial adhesion at lower VHH concentrations. K922 is thus a promising candidate for prevention of piglet diarrhoea. Furthermore, our findings could guide selection and improvement by genetic engineering of other recombinant antibody fragments for oral use.

Matching Content Categories {πŸ“š}

  • Science
  • Education
  • Technology & Computing

Content Management System {πŸ“}

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Custom-built

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🌠 Phenomenal Traffic: 5M - 10M visitors per month


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Keywords {πŸ”}

article, google, scholar, cas, antibody, van, fragments, harmsen, vhh, antibodies, llama, oral, stability, vitro, protein, access, proteins, privacy, cookies, content, singledomain, escherichia, coli, proteolytic, gastric, fluid, phage, display, information, publish, research, search, applied, selection, solt, niewold, diarrhoea, increased, affinity, specific, eds, mol, frenken, geus, biotechnol, microbiol, evolution, springer, egg, analysis,

Topics {βœ’οΈ}

etec-mediated post-weaning diarrhoea month download article/chapter van zijderveld-van bemmel van zijderveld-van bemmelΒ  enzyme-linked immunosorbent assay recombinant antibody fragments coli-induced diarrhoea vhh antibody fragments llama heavy-chain article applied microbiology antibody phage display enterotoxigenic escherichia coli enteropathogenic escherichia coli f4 fimbriae antibody display libraries van der meulen inhibited fimbrial adhesion full article pdf privacy choices/manage cookies piglet gut microbiota fluorescent antibody testing van zijderveld fg generation phage libraries chicken egg antibodies antibody combining site purified gastric pepsinogen oral immunotherapy mouse monoclonal antibodies infectious intestinal diseases high vhh doses lower vhh concentrations european economic area scope submit manuscript combinatorial consensus mutagenesis thermodynamic thermal stabilities pseudomonas glumae lipase distinct subfamilies revealing future pharmacokinetic trends physical chemical properties vivo tenacity test phage display conditions privacy policy van solt cb check access instant access increased proteolytic resistance high level secretion recursive genetic recombination artificial jejunal fistula animal disease control

Schema {πŸ—ΊοΈ}

WebPage:
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         headline:Selection and optimization of proteolytically stable llama single-domain antibody fragments for oral immunotherapy
         description:We previously demonstrated that oral application of the recombinant single-domain antibody fragment (VHH) clone K609, directed against Escherichia coli F4 fimbriae, reduced E. coli-induced diarrhoea in piglets, but only at high VHH doses. We have now shown that a large portion of the orally applied K609 VHH is proteolytically degraded in the stomach. Stringent selection for proteolytic stability identified seven VHHs with 7- to 138-fold increased stability after in vitro incubation in gastric fluid. By DNA shuffling we obtained four clones with a further 1.5- to 3-fold increased in vitro stability. These VHHs differed by at most ten amino acid residues from each other and K609 that were scattered over the VHH sequence and did not overlap with predicted protease cleavage sites. The most stable clone, K922, retained 41% activity after incubation in gastric fluid and 90% in jejunal fluid. Oral application of K922 to piglets confirmed its improved proteolytic stability. In addition, K922 bound to F4 fimbriae with higher affinity and inhibited fimbrial adhesion at lower VHH concentrations. K922 is thus a promising candidate for prevention of piglet diarrhoea. Furthermore, our findings could guide selection and improvement by genetic engineering of other recombinant antibody fragments for oral use.
         datePublished:2006-02-01T00:00:00Z
         dateModified:2006-02-01T00:00:00Z
         pageStart:544
         pageEnd:551
         sameAs:https://doi.org/10.1007/s00253-005-0300-7
         keywords:
            Chymotrypsin
            Phage Display
            Gastric Fluid
            Pepsin Activity
            Oral Immunotherapy
            Microbiology
            Microbial Genetics and Genomics
            Biotechnology
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      headline:Selection and optimization of proteolytically stable llama single-domain antibody fragments for oral immunotherapy
      description:We previously demonstrated that oral application of the recombinant single-domain antibody fragment (VHH) clone K609, directed against Escherichia coli F4 fimbriae, reduced E. coli-induced diarrhoea in piglets, but only at high VHH doses. We have now shown that a large portion of the orally applied K609 VHH is proteolytically degraded in the stomach. Stringent selection for proteolytic stability identified seven VHHs with 7- to 138-fold increased stability after in vitro incubation in gastric fluid. By DNA shuffling we obtained four clones with a further 1.5- to 3-fold increased in vitro stability. These VHHs differed by at most ten amino acid residues from each other and K609 that were scattered over the VHH sequence and did not overlap with predicted protease cleavage sites. The most stable clone, K922, retained 41% activity after incubation in gastric fluid and 90% in jejunal fluid. Oral application of K922 to piglets confirmed its improved proteolytic stability. In addition, K922 bound to F4 fimbriae with higher affinity and inhibited fimbrial adhesion at lower VHH concentrations. K922 is thus a promising candidate for prevention of piglet diarrhoea. Furthermore, our findings could guide selection and improvement by genetic engineering of other recombinant antibody fragments for oral use.
      datePublished:2006-02-01T00:00:00Z
      dateModified:2006-02-01T00:00:00Z
      pageStart:544
      pageEnd:551
      sameAs:https://doi.org/10.1007/s00253-005-0300-7
      keywords:
         Chymotrypsin
         Phage Display
         Gastric Fluid
         Pepsin Activity
         Oral Immunotherapy
         Microbiology
         Microbial Genetics and Genomics
         Biotechnology
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            name:A. M. van Zijderveld-van Bemmel
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                     name:Central Institute for Animal Disease Control, Lelystad, The Netherlands
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External Links {πŸ”—}(144)

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