Pathogenesis of urinary tract infections--amoxicillin induces genital Escherichia coli colonization. 1988

B M Herthelius, and K G Hedström, and R Möllby, and C E Nord, and L Pettersson, and J Winberg

The aim of this study was to examine whether a vaginal Escherichia coli colonization, mimicking the one seen in UTI-prone females, could be induced by amoxicillin administration. In adult cynomolgus monkeys, who carry the alpha-Gal-1-4-beta-Gal receptor for P-fimbriae, we have investigated the ability of a clinical isolate of P-fimbriated E. coli to colonize the mucous membranes of the genital tract. When the vagina was washed with a suspension of the P-fimbriated strain, a persistent colonization was obtained in only 17% (4/24) of the experiments. When such colonization attempts were performed during vaginal amoxicillin administration, a persistent and heavy colonization of the vagina occurred in 5/5 attempts. The findings do not contradict our hypothesis that antibiotics given to UTI-prone females may facilitate the establishment of the abnormal colonization of the genital tract.

UI MeSH Term Description Entries
D008252 Macaca fascicularis A species of the genus MACACA which typically lives near the coast in tidal creeks and mangrove swamps primarily on the islands of the Malay peninsula. Burmese Long-Tailed Macaque,Crab-Eating Monkey,Cynomolgus Monkey,M. f. aurea,M. fascicularis,Macaca fascicularis aurea,Monkey, Crab-Eating,Monkey, Cynomolgus,Crab-Eating Macaque,Burmese Long Tailed Macaque,Crab Eating Macaque,Crab Eating Monkey,Crab-Eating Macaques,Crab-Eating Monkeys,Cynomolgus Monkeys,Long-Tailed Macaque, Burmese,Macaque, Burmese Long-Tailed,Macaque, Crab-Eating,Monkey, Crab Eating
D010861 Fimbriae, Bacterial Thin, hairlike appendages, 1 to 20 microns in length and often occurring in large numbers, present on the cells of gram-negative bacteria, particularly Enterobacteriaceae and Neisseria. Unlike flagella, they do not possess motility, but being protein (pilin) in nature, they possess antigenic and hemagglutinating properties. They are of medical importance because some fimbriae mediate the attachment of bacteria to cells via adhesins (ADHESINS, BACTERIAL). Bacterial fimbriae refer to common pili, to be distinguished from the preferred use of "pili", which is confined to sex pili (PILI, SEX). Bacterial Fimbriae,Bacterial Pili,Common Fimbriae,Common Pili,Pili, Bacterial,Pili, Common,Bacterial Fimbria,Bacterial Pilus,Common Fimbria,Common Pilus,Fimbria, Bacterial,Pilus, Bacterial,Fimbria, Common,Fimbriae, Common,Pilus, Common
D004926 Escherichia coli A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc. Alkalescens-Dispar Group,Bacillus coli,Bacterium coli,Bacterium coli commune,Diffusely Adherent Escherichia coli,E coli,EAggEC,Enteroaggregative Escherichia coli,Enterococcus coli,Diffusely Adherent E. coli,Enteroaggregative E. coli,Enteroinvasive E. coli,Enteroinvasive Escherichia coli
D004927 Escherichia coli Infections Infections with bacteria of the species ESCHERICHIA COLI. E coli Infections,E. coli Infection,Infections, E coli,Infections, Escherichia coli,E coli Infection,E. coli Infections,Escherichia coli Infection,Infection, E coli,Infection, E. coli,Infection, Escherichia coli
D005260 Female Females
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000282 Administration, Intravaginal The insertion of drugs into the vagina to treat local infections, neoplasms, or to induce labor. The dosage forms may include medicated pessaries, irrigation fluids, and suppositories. Administration, Vaginal,Drug Administration, Vaginal,Instillation, Vaginal,Intravaginal Administration,Vaginal Drug Administration,Vaginal Administration,Administration, Vaginal Drug,Administrations, Intravaginal,Administrations, Vaginal,Administrations, Vaginal Drug,Drug Administrations, Vaginal,Instillations, Vaginal,Intravaginal Administrations,Vaginal Administrations,Vaginal Drug Administrations,Vaginal Instillation,Vaginal Instillations
D000658 Amoxicillin A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration. Hydroxyampicillin,Actimoxi,Amoxicillin Anhydrous,Amoxicillin Monopotassium Salt,Amoxicillin Monosodium Salt,Amoxicillin Sodium,Amoxicillin Trihydrate,Amoxicillin, (R*)-Isomer,Amoxicilline,Amoxil,Amoxycillin,BRL-2333,Clamoxyl,Clamoxyl G.A.,Clamoxyl Parenteral,Penamox,Polymox,Trimox,Wymox,BRL 2333,BRL2333
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014552 Urinary Tract Infections Inflammatory responses of the epithelium of the URINARY TRACT to microbial invasions. They are often bacterial infections with associated BACTERIURIA and PYURIA. Infection, Urinary Tract,Infections, Urinary Tract,Tract Infection, Urinary,Tract Infections, Urinary,Urinary Tract Infection

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