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The effect of protein and urine on uropathogen adhesion to polymer substrata

✍ Scribed by Hawthorn, Lesleyann ;Reid, Gregor

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
520 KB
Volume
24
Category
Article
ISSN
0021-9304

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✦ Synopsis

Uropathogenic adhesion was measured using a range of polymer materials with differing surface tension properties. Experiments were carried out in the presence of phosphate buffered saline (controls), Tamm Horsfall protein (THP), and human urine with quantitation by image analysis. The results showed that THP did not bind to the polymer materials and therefore did not act as a receptor surface for type 1 fimbriated Escherichia coli. However, the THP did interfere with adhesion by binding directly to these organisms as well as to Pseudomonas aeruginosa, Staphylococcus epidermidis, and, to a lesser extent, Proteus mirabilis. Incubation of the uropathogens in THP and urine resulted in altered adhesion profiles to polymer surfaces, with no single trend apparent. The results emphasize that fluid components, particularly proteins, and substratum surface tension in- fluence bacterial adhesion to biomaterials.

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