PubMed · 11680207
Presentation of six drugs: clopidogrel, raloxifene, mecillinam, natiglinide and repaglinide, pneumococcal conjugate vaccine. For each, positive and negative arguments, questions on hold and rating.
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J Sternon. 2001. [New drugs].. https://pubmed.ncbi.nlm.nih.gov/11680207/
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OBJECTIVES: It has been suggested recently that intracellular bacteria surviving antibiotic treatment might serve as a reservoir for recurrent infection. The purpose of this study was to directly examine the location of Escherichia coli bacteria in the mouse bladder after treatment with mecillinam. METHODS: The bladders were studied by use of colony counts, in situ hybridization and electron microscopy. RESULTS: The bacterial counts in the bladder remained approximately 10(3-4) cfu/bladder even after mecillinam treatment had finished, and re-growth in the urine was observed. In the bladder epithelium from treated mice, bacteria cells were occasionally seen, presumably representing intracellularly located bacteria. CONCLUSIONS: This is the first in vivo study indicating that during mecillinam treatment E. coli cells can penetrate the mouse bladder epithelium and persist.