Abstract:
:This study aims to characterize phenotypic and genotypic virulence traits in Escherichia coli strains, isolated from outpatients with urinary tract infections, comparing with those obtained from inpatients. Information on the pathogenic behavior of the uropathogenic strains was obtained by monitoring different biological properties, such as autoagglutination, hemagglutination, adhesiveness to and invasion of human bladder (HT1376) cells, biofilm formation, phylogenetic grouping, and virulence-related genes. The results show similar behavior in the two groups concerning autoagglutination, hemagglutination, and biofilm formation. None of the strains examined was invasive. However, in strains from outpatients there was an increased adhesion to HT1376 cells compared with clinical strains, a significant higher presence of genes codifying for adhesins and cell protection factors, and a lower proportion of strains belonging to B1 group. These findings add further information on the pathogenic traits of community E. coli, since strains isolated from the outpatients' group were differently "armed" in comparison with those of clinical cases, and more suitable to infect healthy individuals.
journal_name
Int J Immunopathol Pharmacolauthors
Longhi C,Cossu A,Iebba V,Massaro MR,Cipriani D,Chiarini F,Conte MP,Seganti L,Osborn J,Schippa Sdoi
10.1177/039463200802100326subject
Has Abstractpub_date
2008-07-01 00:00:00pages
715-23issue
3eissn
0394-6320issn
2058-7384pii
26journal_volume
21pub_type
杂志文章abstract::This update on treatment of asthma exacerbations in children is the result of an Italian Pediatric Society Task-force, made up of a panel of experts working in 2007-2008. The aim is to give clear indications on the use of the drugs most employed in children, grading the quality of evidence and the strength of recommen...
journal_title:International journal of immunopathology and pharmacology
pub_type: 社论
doi:10.1177/039463200902200402
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abstract::The treatment with infliximab is employed successfully in Crohn's disease (CD) but predictors of efficacy are lacking. Activation of the transcription factor NF-kB has been demonstrated in CD and its inhibition is one of the mechanisms by which anti-inflammatory agents exert their effects. We evaluated the production ...
journal_title:International journal of immunopathology and pharmacology
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journal_title:International journal of immunopathology and pharmacology
pub_type: 信件
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journal_title:International journal of immunopathology and pharmacology
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journal_title:International journal of immunopathology and pharmacology
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