Polymyxin resistance
A Resazurin Reduction Based Assay for Rapid Detection of Polymyxin Resistance in Acinetobacter baumannii and Pseudomonas aeruginosa
... ABSTRACT A rapid test was developed for identification of polymyxin resistance in nonfermenting bacteria. This test detects viable cells after growth in a medium con- taining a defined concentration of ...
6
An Evolutionarily Conserved Mechanism for Intrinsic and Transferable Polymyxin Resistance
... As described by Anandan et al. (45), we further assayed the enzymatic activities of EptA/MCR and derivatives in vitro (Fig. 4I, 5, and 6D). It is thought that EptA-/MCR- originated enzymes can catalyze the cleavage of ...
18
Treatment of Klebsiella Pneumoniae Carbapenemase (KPC) infections: a review of published case series and case reports
... either polymyxin B alone or polymyxin B plus tigecy- ...received polymyxin B monotherapy had significant increases in MIC values ...received polymyxin B in combination with tigecycline ...
9
Differential Role of Two Component Regulatory Systems (phoPQ and pmrAB) in Polymyxin B Susceptibility of Pseudomonas aeruginosa
... but polymyxin resistance has been increasingly reported worldwide in clinical ...isolates. Polymyxin resistance in ...in polymyxin susceptibility. Polymyxin B resistance ...
6
Molecular characterization of the PhoPQ-PmrD-PmrAB mediated pathway regulating polymyxin B resistance in Klebsiella pneumoniae CG43
... on polymyxin B resistance in ...B resistance, the Δugd and Δwza mutants were generated by allelic exchange strategy, and their phe- notype as well as the amount of CPS produced were compared with the ...
16
Development and Multicentric Validation of a Lateral Flow Immunoassay for Rapid Detection of MCR 1 Producing Enterobacteriaceae
... MCR-related resistance to colistin mostly relies on molecular assays dedicated to the detection of the mcr-1 and mcr-2 ...of polymyxin resistance and discrimination between chromosome-encoded and ...
8
PubMedCentral-PMC5890697.pdf
... a polymyxin-susceptible isolate collected prior to a patient’s colistin therapy in an open-label CMS population pharmacokinetic study and a polymyxin-resistant isolate subse- quently collected during ...
6
PubMedCentral-PMC5278701.pdf
... to resistance, likely arising from suboptimal dosing coupled with the presence of heteroresistance (11, ...harboring polymyxin resistance mechanisms have been reported globally ...to ...
15
PubMedCentral-PMC4872528.pdf
... GO term enrichment analysis, SPLS-DA, and a conventional analysis of gene expression showed remodelling of the OM to be a key aspect of polymyxin resistance; transcriptomic profiles obtained from A. ...
11
Rapid Detection of Polymyxin Resistant Enterobacteriaceae from Blood Cultures
... rapid polymyxin NP test from positive blood cultures showed good performances for the detection of enterobacterial isolates resistant to ...of polymyxin-resistant Enterobac- teriaceae responsible for ...
5
Transcriptomic Analysis of the Activity of a Novel Polymyxin against Staphylococcus aureus
... develop resistance to polymyxin (13, ...(polymyxin resistance) locus is part of that regulon, and the activation of the pmr locus results in modifications of lipid A, which in turn serve to ...
13
Evaluation of the Rapid Polymyxin NP Test for Polymyxin B Resistance Detection Using Enterobacter cloacae and Enterobacter aerogenes Isolates
... ABSTRACT Polymyxin resistance is an increasing problem ...of polymyxin resistance in Enterobacteria- ceae, developed by ...(rapid polymyxin NP test) in 2016, de- tects glucose ...
5
PubMedCentral-PMC5527630.pdf
... Histopathological examination. Histopathological examinations of lungs were performed in healthy and neutropenic lung infected mice with aerosolized polymyxin B. The dosage regimens involved once-, twice-, and ...
15
Polymyxin Combinations Combat Escherichia coli Harboring mcr 1 and blaNDM 5: Preparation for a Postantibiotic Era
... of polymyxin B and amikacin resulted in rapid proliferation of MCR1_NJ amikacin-resistant subpopulations and corresponding increases in the amikacin ...tobramycin resistance (19), ...amikacin ...
10
The susceptibility of pathogenic free living amebae to chemotherapeutic agents : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Microbiology at Massey University
... When used together polymyxin Band 5-fluorocytosine showed synergistic activity both in axenic and cell culture against~3 culbertsoni A-1.. In axenic culture when 100 units.cm- polymyxin [r] ...
175
Polymyxin B hemoperfusion: a mechanistic perspective
... of Polymyxin Hemoperfusion in Abdominal Septic Shock (EUPHAS) trial, a randomized unblinded study of 64 patients in 10 tertiary Italian ICUs, demonstrated statistically significant improve- ments in the primary ...
8
LABORATORY AND CLINICAL STUDIES OF POLYMYXIN B AND E
... Twenty patients with severe urinary tract infections were treated with polymyxin intramuscularly administered over periods of one to six days- in dosages of 2 to 5.6 mgm.. per kilogram o[r] ...
5
Human kidney on a chip assessment of polymyxin antibiotic nephrotoxicity
... to polymyxin B (PMB) and observed significant increases of injury signals, including kidney injury molecule-1 KIM-1and a panel of injury- associated miRNAs (each P < ...
18
Activity and interactions of antibiotic and phytochemical combinations against Pseudomonas aeruginosa in vitro
... Since long, natural products are in use for the development of novel drugs to treat various bacterial infections. Several studies have proposed that natural compounds in combination with antibiotics are a new strategy ...
13
2020_TranKevin.pdf
... The threat of these MDR Gram-negative infections is increasing rapidly and suboptimal treatment is a culprit to exacerbation of the resistance mechanisms. Current clinical regimens are struggling to optimally ...
22