Antibiotics at sub-inhibitory concentrations and virulence factors of Pseudomonas aeruginosa. 1998

P Cipriani, and M Trancassini, and M R Chiossi, and D De Vito, and F Filadoro
Institute of Microbiology, Medical School La Sapienza, University of Rome, Italy.

The difficulty of instituting an efficacious therapy against Pseudomonas aeruginosa infections is principally due to the microorganism's antibiotic resistance. The aim of our study was to evaluate the activity of four antibacterial drugs, two penems and two quinolones, on the production of virulence factors. Our results demonstrated that the antibiotics tested have a different behaviour depending on the P. aeruginosa phenotype. Therefore it would be advisable to choose the drug on the basis of the isolated strain phenotype.

UI MeSH Term Description Entries
D010196 Pancreatic Elastase A protease of broad specificity, obtained from dried pancreas. Molecular weight is approximately 25,000. The enzyme breaks down elastin, the specific protein of elastic fibers, and digests other proteins such as fibrin, hemoglobin, and albumin. EC 3.4.21.36. Elastase,Pancreatopeptidase,Elastase I,Pancreatic Elastase I,Elastase I, Pancreatic,Elastase, Pancreatic
D010450 Endopeptidases A subclass of PEPTIDE HYDROLASES that catalyze the internal cleavage of PEPTIDES or PROTEINS. Endopeptidase,Peptide Peptidohydrolases
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D011550 Pseudomonas aeruginosa A species of gram-negative, aerobic, rod-shaped bacteria commonly isolated from clinical specimens (wound, burn, and urinary tract infections). It is also found widely distributed in soil and water. P. aeruginosa is a major agent of nosocomial infection. Bacillus aeruginosus,Bacillus pyocyaneus,Bacterium aeruginosum,Bacterium pyocyaneum,Micrococcus pyocyaneus,Pseudomonas polycolor,Pseudomonas pyocyanea
D002939 Ciprofloxacin A broad-spectrum antimicrobial carboxyfluoroquinoline. Bay-09867,Ciprinol,Cipro,Ciprofloxacin Hydrochloride,Ciprofloxacin Hydrochloride Anhydrous,Ciprofloxacin Monohydrochloride Monohydrate,Anhydrous, Ciprofloxacin Hydrochloride,Bay 09867,Bay09867,Hydrochloride Anhydrous, Ciprofloxacin,Hydrochloride, Ciprofloxacin,Monohydrate, Ciprofloxacin Monohydrochloride,Monohydrochloride Monohydrate, Ciprofloxacin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077731 Meropenem A thienamycin derivative antibacterial agent that is more stable to renal dehydropeptidase I than IMIPENEM, but does not need to be given with an enzyme inhibitor such as CILASTATIN. It is used in the treatment of bacterial infections, including infections in immunocompromised patients. 3-(5-Dimethylcarbamoylpyrrolidin-3-ylthio)-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid,Merrem,Penem,Ronem,SM 7338,SM-7338,SM7338
D000464 Alginates Salts and esters of ALGINIC ACID that are used as HYDROGELS; DENTAL IMPRESSION MATERIALS, and as absorbent materials for surgical dressings (BANDAGES, HYDROCOLLOID). They are also used to manufacture MICROSPHERES and NANOPARTICLES for DIAGNOSTIC REAGENT KITS and DRUG DELIVERY SYSTEMS. Alginate,Alginic Acid, Barium Salt,Alginic Acid, Calcium Salt,Alginic Acid, Copper Salt,Alginic Acid, Potassium Salt,Alginic Acid, Sodium Salt,Alloid G,Barium Alginate,Calcium Alginate,Calginat,Copper Alginate,Kalrostat,Kalrostat 2,Kaltostat,Potassium Alginate,Sodium Alginate,Sodium Calcium Alginate,Vocoloid,Xantalgin,poly(Mannuronic Acid), Sodium Salt,Alginate, Barium,Alginate, Calcium,Alginate, Copper,Alginate, Potassium,Alginate, Sodium,Alginate, Sodium Calcium,Calcium Alginate, Sodium
D000890 Anti-Infective Agents Substances that prevent infectious agents or organisms from spreading or kill infectious agents in order to prevent the spread of infection. Anti-Infective Agent,Anti-Microbial Agent,Antimicrobial Agent,Microbicide,Microbicides,Anti-Microbial Agents,Antiinfective Agents,Antimicrobial Agents,Agent, Anti-Infective,Agent, Anti-Microbial,Agent, Antimicrobial,Agents, Anti-Infective,Agents, Anti-Microbial,Agents, Antiinfective,Agents, Antimicrobial,Anti Infective Agent,Anti Infective Agents,Anti Microbial Agent,Anti Microbial Agents
D000900 Anti-Bacterial Agents Substances that inhibit the growth or reproduction of BACTERIA. Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial

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