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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1993-2-1
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pubmed:abstractText |
The affinity of meropenem for various known types of beta-lactamases and its stability to them were tested in comparison with other beta-lactams, including imipenem. Meropenem exhibited a marked stability to all beta-lactamases tested and was only hydrolyzed by Xanthomonas maltophilia beta-lactamase, as were other beta-lactams. This was responsible for the potent antibacterial activities of meropenem against beta-lactamase-producing strains. Meropenem and imipenem had almost the same, relatively high affinity for beta-lactamases; however, they had a lower affinity than clavulanic acid for penicillin beta-lactamases and cefoxitin for cephalosporin beta-lactamases. Meropenem also had higher beta-lactamase inhibitory activity than imipenem. Meropenem inhibited type III (TEM-1), Ia Citrobacter freundii and Ic Proteus vulgaris beta-lactamases in a progressive manner. Meropenem was thought to be a potent inhibitor of various beta-lactamase because of its ability to form stable enzyme-meropenem acyl-complexes. Meropenem generally exhibited a lower induction potential than imipenem against five clinical isolates of C. freundii, Enterobacter cloacae and Pseudomonas aeruginosa, but its induction potential was higher than that of ceftazidime. Meropenem induced beta-lactamases at concentrations above the MIC.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Ceftazidime,
http://linkedlifedata.com/resource/pubmed/chemical/Imipenem,
http://linkedlifedata.com/resource/pubmed/chemical/Thienamycins,
http://linkedlifedata.com/resource/pubmed/chemical/beta-Lactamases,
http://linkedlifedata.com/resource/pubmed/chemical/meropenem
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pubmed:status |
MEDLINE
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pubmed:issn |
0009-3157
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
38
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
218-24
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pubmed:dateRevised |
2009-11-11
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pubmed:meshHeading |
pubmed-meshheading:1473360-Bacteria,
pubmed-meshheading:1473360-Ceftazidime,
pubmed-meshheading:1473360-Enzyme Induction,
pubmed-meshheading:1473360-Enzyme Stability,
pubmed-meshheading:1473360-Humans,
pubmed-meshheading:1473360-Imipenem,
pubmed-meshheading:1473360-Microbial Sensitivity Tests,
pubmed-meshheading:1473360-Thienamycins,
pubmed-meshheading:1473360-beta-Lactamases
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pubmed:year |
1992
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pubmed:articleTitle |
Beta-lactamase stability and inhibitory activity of meropenem combined with a potent antibacterial activity.
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pubmed:affiliation |
Research Laboratories, Sumitomo Pharmaceuticals Co., Ltd., Osaka, Japan.
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pubmed:publicationType |
Journal Article,
Comparative Study
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