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Search: onr:"swepub:oai:DiVA.org:oru-6679" > Analyses of human c...

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  • Hamer, H. M. (author)

Analyses of human colonic mucus obtained by an in vivo sampling technique

  • Article/chapterEnglish2009

Publisher, publication year, extent ...

  • Amsterdam :W.B. Saunders Co. Ltd.2009
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:oru-6679
  • https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-6679URI
  • https://doi.org/10.1016/j.dld.2008.12.100DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • BACKGROUND: The mucus layer is an important dynamic component of the epithelial barrier. It contains mucin glycoproteins and other compounds secreted by the intestinal epithelium, such as secretory IgA. However, a standardized in vivo sampling technique of mucus in humans is not yet available.AIM: To assess the validity and feasibility of mucin and protein determinations in human colonic mucus collected under physiological conditions.SUBJECTS AND METHODS: Triplicate colonic mucus samples were collected in 11 healthy volunteers using cytology brushes during sigmoidoscopy. As an indication of the quantity of collected mucus, total protein and mucin concentrations were determined by measuring oligosaccharide equivalents and monosaccharides. Also secretory IgA and sialic acid concentrations were determined and proteomic analysis was performed using surface enhanced laser desorption/ionization-time of flight-mass spectrometry.RESULTS: Mean values of secretory IgA and sialic acid corrected for the amount of mucus ranged from 0.16 to 1.81g secretory IgA/mmol oligosaccharide equivalents and from 12.6 to 48.6g sialic acid/mmol oligosaccharide equivalents. Proteomic analysis of mucus is feasible and cluster analysis showed subject specific profiles. CONCLUSION: Using cytology brushes, human colonic mucus can be sampled and under physiological conditions. These samples could give information on the composition and quality of the mucus layer.

Subject headings and genre

  • MEDICINE
  • MEDICIN
  • Medicin
  • Medicine

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

  • Jonkers, D. M. A. E. (author)
  • Loof, A. (author)
  • Vanhoutvin, S. A. L. W. (author)
  • Troost, F. J. (author)
  • Venema, K. (author)
  • Kodde, A. (author)
  • Koek, G. H. (author)
  • Schipper, R. G. (author)
  • van Heerde, W. L. (author)
  • Brummer, RobertÖrebro universitet,Hälsoakademin(Swepub:oru)rnbr (author)
  • Örebro universitetHälsoakademin (creator_code:org_t)

Related titles

  • In:Digestive and Liver DiseaseAmsterdam : W.B. Saunders Co. Ltd.41:8, s. 559-5641590-86581878-3562

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