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  • Cao, JunLinköpings universitet,Hälsouniversitetet,Cellbiologi (author)

Helicobacter pylori-antigen-binding fragments expressed on the filamentous M13 phage prevent bacterial growth

  • Article/chapterEnglish2000

Publisher, publication year, extent ...

  • 2000
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-24970
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-24970URI
  • https://doi.org/10.1016/S0304-4165(00)00005-2DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Colonization of the human stomach by Helicobacter pylori is associated with the development of gastritis, duodenal ulcer, mucosa-associated lymphoid tissue (MALT) lymphoma, and gastric cancer. H. pylori-antigen-binding single-chain variable fragments (ScFv) were derived from murine hybridomas producing monoclonal antibodies and expressed as a g3p-fusion protein on a filamentous M13 phage. The recombinant ScFv-phage reacted specifically with a 30-kDa monomeric protein of a H. pylori surface antigen preparation and by means of immunofluorescence microscopy the phage was shown to bind to both the spiral and coccoid forms of the bacterium. In vitro, the recombinant phage exhibited a bacteriocidal effect and inhibited specifically the growth of all the six strains of H. pylori tested. When H. pylori was pretreated with the phage 10 min before oral inoculation of mice, the colonization of the mouse stomachs by the bacterium was significantly reduced (P<0.01). The results suggest that genetic engineering may be used to generate therapy-effective phages.

Subject headings and genre

  • MEDICINE
  • MEDICIN

Added entries (persons, corporate bodies, meetings, titles ...)

  • Sun, Yi-Qian,1969-Linköpings universitet,Hälsouniversitetet,Cellbiologi(Swepub:liu)yiqsu10 (author)
  • Berglindh, Thomas (author)
  • Mellgård, Björn (author)
  • Li, Zhao-qiLinköpings universitet,Hälsouniversitetet,Cellbiologi (author)
  • Mårdh, Bibbi,1948-Linköpings universitet,Hälsouniversitetet,Cellbiologi(Swepub:liu)bibma29 (author)
  • Mårdh, Sven,1947-Linköpings universitet,Hälsouniversitetet,Cellbiologi(Swepub:liu)svema26 (author)
  • Linköpings universitetHälsouniversitetet (creator_code:org_t)

Related titles

  • In:Biochimica et Biophysica Acta - General Subjects1474:1, s. 107-1130304-41651872-8006

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