Search results for "meropenem"

showing 7 items of 17 documents

Multiclonal emergence of carbapenem-resistant Klebsiella pneumoniae in Tuscany, Italy

2010

Microbiology (medical)Settore MED/07 - Microbiologia E Microbiologia ClinicaImipenemGenotypemedicine.drug_classCarbapenem resistant Klebsiella pneumoniaemedicine.medical_treatmentAntibioticsMicrobial Sensitivity TestsBiologySettore MED/42 - Igiene Generale E ApplicataMeropenembeta-Lactam Resistancebeta-LactamasesMicrobiologychemistry.chemical_compoundmedicineHumansPharmacology (medical)Molecular EpidemiologyKlebsiella pneumoniae resistenza ai carbapenemi multiclonaleGeneral MedicineDNA FingerprintingAnti-Bacterial AgentsBacterial Typing TechniquesElectrophoresis Gel Pulsed-FieldKlebsiella InfectionsMultiple drug resistanceKlebsiella pneumoniaePhenotypeInfectious DiseasesCarbapenemsItalychemistryBeta-lactamaseErtapenemmedicine.drugBeta lactam antibioticsInternational Journal of Antimicrobial Agents
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Meropenem Permeation through the Outer Membrane of <i>Pseudomonas aeruginosa</i> Can Involve Pathways Other than the OprD Porin Channel

1996

The outer membrane protein (OMP) OprD is the major channel through which carbapenems permeate the outer membrane of Pseudomonas aeruginosa. In this study, we analyzed the OMP profiles of several P. aeruginosa clinical isolates showing diminished susceptibility to imipenem while remaining susceptible to meropenem. All these isolates lacked OprD or showed a reduced expression of this porin. Susceptibility to meropenem was thus independent of the level of OprD expression, indicating that the antimicrobial could be taken up via an alternative route. The level of expression of OprC (70 kD) was also unrelated to meropenem susceptibility. Nevertheless, OMPs OprF and OprE were expressed by all isol…

PharmacologyImipenembiologyPseudomonas aeruginosaGeneral Medicinebiochemical phenomena metabolism and nutritionbacterial infections and mycosesbiology.organism_classificationmedicine.disease_causeMeropenemPorinaMicrobiologyInfectious DiseasesOncologyDrug DiscoveryPorinpolycyclic compoundsmedicinebacteriaPharmacology (medical)Bacterial outer membranemedicine.drugPseudomonadaceaeAntibacterial agentChemotherapy
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Double copies of blaKPC-3::Tn4401a on an IncX3 plasmid in Klebsiella pneumoniae successful clone ST512 from Italy

2015

ABSTRACT A carbapenem-resistant sequence type 512 (ST512) Klebsiella pneumoniae carbapenemase 3 (KPC-3)-producing K. pneumoniae strain showing a novel variant plasmid content was isolated in Palermo, Italy, in 2014. ST512 is a worldwide successful clone associated with the spread of bla KPC genes located on the IncFIIk pKpQIL plasmid. In our ST512 strain, the bla KPC-3 gene was unusually located on an IncX3 plasmid, whose complete sequence was determined. Two copies of bla KPC-3 ::Tn 4401a caused by intramolecular transposition events were detected in the plasmid.

transposonsequence analysispolymerase chain reactionDrug ResistanceGene DosageSettore MED/42 - Igiene Generale E Applicatabacterial proteinbeta-Lactamaseopen reading framecarbapenemasePlasmidminocyclineplasmid DNAmeropenemPharmacology (medical)geneticscolistincefpodoximeceftazidime610 Medicine & healthCarbapenemBacterialpolymyxin Btimentingene expression regulationbacteriumKlebsiella pneumoniae carbapenemase 3 producing Klebsiella pneumoniae3. Good healthantiinfective agentmicrobial sensitivity testKlebsiella pneumoniaeItalypriority journaltigecyclineMultipleclone (Java method)cefotaxime030106 microbiologyKlebsiella pneumoniae carbapenemase 3tobramycinMicrobial Sensitivity Testsgentamicinpiperacillin plus tazobactamchemistryGene dosageArticleMicrobiology03 medical and health sciencesComplete sequenceClone CellOpen Reading FramesertapenemBacterial Proteinsmultidrug resistanceextensively drug resistant bacteriumAnti-Bacterial AgentcefepimePharmacologylevofloxacinmicrobiologycefoxitinbiochemical phenomena metabolism and nutritionbacterial infections and mycosesVirologyAnti-Bacterial Agents; Bacterial Proteins; Carbapenems; Clone Cells; Drug Resistance Multiple Bacterial; Gene Dosage; Italy; Klebsiella Infections; Klebsiella pneumoniae; Microbial Sensitivity Tests; Open Reading Frames; Plasmids; beta-Lactamases; DNA Transposable Elements; Gene Expression Regulation Bacterial; Pharmacology (medical); Pharmacology; Infectious Diseasesantibiotic sensitivityClone CellsKlebsiella InfectionsceftriaxoneCarbapenemsbacterial genetics0301 basic medicinemolecular cloningSettore MED/07 - Microbiologia E Microbiologia ClinicaKlebsiella pneumoniaeTransposition (music)Drug Resistance Multiple Bacterialpolycyclic compoundsgenetic screeningcell clonecarbapenem derivativeKlebsiella infectionunclassified drugAnti-Bacterial AgentsInfectious Diseasesbacterial genePlasmidsenzymologydoripenemBiologyminimum inhibitory concentrationbeta-Lactamasesbeta lactamaseMechanisms of ResistanceciprofloxacinAmikacin; aztreonam; carbapenemase; cefepime; cefotaxime; cefoxitin; cefpodoxime; ceftazidime; ceftriaxone; ciprofloxacin; colistin; cotrimoxazole; doripenem; doxycycline; ertapenem; gentamicin; imipenem; Klebsiella pneumoniae carbapenemase 3; levofloxacin; meropenem; minocycline; piperacillin plus tazobactam; plasmid DNA; polymyxin B; tigecycline; timentin; tobramycin; unclassified drug; antiinfective agent; bacterial protein; beta lactamase; carbapenem derivative; transposon antibiotic sensitivity; Article; bacterial gene; bacterial genetics; bacterial strain; bacterium; bacterium detection; bacterium isolation; Escherichia coli; extensively drug resistant bacterium; gene dosage; genetic screening; Italy; Klebsiella pneumoniae; Klebsiella pneumoniae carbapenemase 3 producing Klebsiella pneumoniae; minimum inhibitory concentration; molecular cloning; nonhuman; polymerase chain reaction; priority journal; sequence analysis; cell clone; chemistry; drug effects; enzymology; gene expression regulation; genetics; isolation and purification; Klebsiella infection; Klebsiella pneumoniae; metabolism; microbial sensitivity test; microbiology; multidrug resistance; open reading frame; plasmid; transposon Anti-Bacterial Agents; Bacterial Proteins; beta-Lactamases; Carbapenems; Clone Cells; DNA Transposable Elements; Drug Resistance Multiple Bacterial; Gene Dosage; Gene Expression Regulation Bacterial; Italy; Klebsiella Infections; Klebsiella pneumoniae; Microbial Sensitivity Tests; Open Reading Frames; Plasmidsplasmidbacterium isolationEscherichia coliGeneAmikacinbacterium detectionnonhumandoxycyclineisolation and purificationGene Expression Regulation Bacterialbiology.organism_classificationbacterial straincotrimoxazoleOpen reading frameDNA Transposable Elementdrug effectsDNA Transposable Elementsmetabolismaztreonamimipenem
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New β-Lactam-β-Lactamase Inhibitor Combinations.

2020

The limited armamentarium against drug-resistant Gram-negative bacilli has led to the development of several novel β-lactam-β-lactamase inhibitor combinations (BLBLIs). In this review, we summarize their spectrum of in vitro activities, mechanisms of resistance, and pharmacokinetic-pharmacodynamic (PK-PD) characteristics. A summary of available clinical data is provided per drug. Four approved BLBLIs are discussed in detail. All are options for treating multidrug-resistant (MDR) Enterobacterales and Pseudomonas aeruginosa Ceftazidime-avibactam is a potential drug for treating Enterobacterales producing extended-spectrum β-lactamase (ESBL), Klebsiella pneumoniae carbapenemase (KPC), AmpC, an…

Microbiology (medical)DrugImipenemBacilliEpidemiologyKlebsiella pneumoniaemedia_common.quotation_subjectMicrobial Sensitivity Testsmedicine.disease_causebeta-LactamsMeropenemMicrobiologyDrug Resistance Multiple BacterialGram-Negative Bacteriapolycyclic compoundsmedicinemedia_commonGeneral Immunology and MicrobiologybiologyPseudomonas aeruginosabusiness.industryPublic Health Environmental and Occupational Healthbiochemical phenomena metabolism and nutritionbacterial infections and mycosesbiology.organism_classificationCeftazidime/avibactamAcinetobacter baumanniiDrug CombinationsInfectious DiseasesbacteriaErratumbusinessbeta-Lactamase Inhibitorsmedicine.drugClinical microbiology reviews
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In silico identification and experimental validation of hits active against KPC-2 β-lactamase

2018

Bacterial resistance has become a worldwide concern, particularly after the emergence of resistant strains overproducing carbapenemases. Among these, the KPC-2 carbapenemase represents a significant clinical challenge, being characterized by a broad substrate spectrum that includes aminothiazoleoxime and cephalosporins such as cefotaxime. Moreover, strains harboring KPC-type β-lactamases are often reported as resistant to available β-lactamase inhibitors (clavulanic acid, tazobactam and sulbactam). Therefore, the identification of novel non β-lactam KPC-2 inhibitors is strongly necessary to maintain treatment options. This study explored novel, non-covalent inhibitors active against KPC-2, …

Genetics and Molecular Biology (all)Proteomics0301 basic medicineCefotaximeKlebsiella pneumoniaePathology and Laboratory MedicinePhysical ChemistryBiochemistryKlebsiella PneumoniaeDatabase and Informatics MethodsBiochemistry Genetics and Molecular Biology (all); Agricultural and Biological Sciences (all)AntibioticsKlebsiellaCatalytic DomainMedicine and Health Sciencespolycyclic compoundsDrug InteractionsCrystallographyMultidisciplinarybiologyAntimicrobialsOrganic CompoundsProteomic DatabasesChemistryPhysicsQRDrugsSulbactamCondensed Matter PhysicsBacterial PathogensChemistryBiochemistryMedical MicrobiologyPhysical SciencesCrystal StructureMedicinePathogensbeta-Lactamase InhibitorsResearch Articlemedicine.drugScienceIn silico030106 microbiologySulfonamideResearch and Analysis MethodsMicrobiologyMeropenemTazobactambeta-Lactamases03 medical and health sciencesBacterial ProteinsMicrobial ControlClavulanic acidmedicineSolid State PhysicsMicrobial PathogensPharmacologyLigand efficiencyChemical BondingBacteriaOrganic ChemistryChemical CompoundsOrganismsBiology and Life SciencesHydrogen Bondingbiochemical phenomena metabolism and nutritionbiology.organism_classificationbacterial infections and mycosesAmidesBiological Databases030104 developmental biologyAgricultural and Biological Sciences (all)
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INT-009 Pharmacokinetics of linezolid and meropenem in intensive care unit patients receiving continuous renal replacement therapy

2016

Background Intensive care unit (ICU) patients often suffer from infections and acute renal failure and might need continuous renal replacement therapy commonly applied by veno-venous hemodialysis (CVVHD) or hemodiafiltration (CVVHDF). In this case there are no dosage recommendations in the product informations of antibiotics and literature data are scarce. The risk for therapy failure, development of resistance and adverse drug effects is elevated. Purpose Aim of the presented study was to find out if standard therapy of Linezolid (LZ) and Meropenem (MP) results in adequate plasma levels in surgical ICU patients receiving CVVHD(F). Materials and Methods Surgical ICU patients receiving CVVHD…

medicine.medical_specialtymedicine.diagnostic_testbusiness.industrymedicine.drug_classmedicine.medical_treatmentAntibioticsMeropenemIntensive care unitSurgerylaw.inventionchemistry.chemical_compoundchemistryPharmacokineticslawTherapeutic drug monitoringAnesthesiaLinezolidmedicineRenal replacement therapyHemodialysisGeneral Pharmacology Toxicology and Pharmaceuticsbusinessmedicine.drugEuropean Journal of Hospital Pharmacy
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Epidemiology and clonality of carbapenem-resistant Acinetobacter baumannii from an intensive care unit in Palermo, Italy

2012

Abstract Background Multidrug-resistant Acinetobacter baumannii, initially considered as having a poor clinical relevance, is frequently isolated from infection cases in intensive care units. We describe the epidemiology of carbapenem resistant A. baumannii (CRAB) in a general ICU in Palermo, Italy, from October 2010 to March 2011. Findings 58 of 61 isolates exhibited MICs for meropenem or imipenem ≥16 mg/L. Forty-nine carried blaOXA-23 and two blaOXA-58 genes. Five subtype clusters were detected by rep-PCR. Clusters D and E included 10 isolates that tested negative for the carbapenem resistance genes. MLST attributed all isolates, but two, with sequence type (ST)2, whereas the two remainin…

MaleAcinetobacter baumanniiImipenemSettore MED/07 - Microbiologia E Microbiologia ClinicaTime Factorslcsh:MedicineTigecyclinePolymerase Chain Reactionintensive care unitlaw.inventionlawDrug Resistance Multiple BacterialEpidemiologypolycyclic compoundsMedicinelcsh:QH301-705.5Medicine(all)Aged 80 and overbiologyGeneral MedicineMiddle AgedIntensive care unitAcinetobacter baumanniiIntensive Care UnitsItalyFemaleAcinetobacter baumannii; intensive care unitAcinetobacter Infectionsmedicine.drugAdultmedicine.medical_specialtyAdolescentShort ReportMicrobial Sensitivity TestsMeropenemGeneral Biochemistry Genetics and Molecular BiologyYoung AdultIntensive careHumansIntensive care medicinelcsh:Science (General)AgedDemographyBiochemistry Genetics and Molecular Biology(all)business.industrylcsh:Rbiochemical phenomena metabolism and nutritionbacterial infections and mycosesbiology.organism_classificationClone CellsCarbapenemslcsh:Biology (General)bacteriabusinessCarbapenem resistant Acinetobacter baumanniilcsh:Q1-390BMC Research Notes
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