Influence of VanD type resistance on activities of glycopeptides in vitro and in experimental endocarditis due to Enterococcus faecium.

abstract：:Using 98 clinical methicillin-susceptible Staphylococcus aureus isolates of known beta-lactamase (Bla) type, we found a pronounced inoculum effect for cephalexin (mostly Bla type A and C strains), a mild inoculum effect for cephalothin (especially types B and C), and no inoculum effects for ceftriaxone and cefuroxime....

journal_title：Antimicrobial agents and chemotherapy

authors： Nannini EC,Stryjewski ME,Singh KV,Rude TH,Corey GR,Fowler VG Jr,Murray BE

更新日期：2010-05-01 00:00:00

abstract：:The resistome of P. aeruginosa for three β-lactam antibiotics, namely, ceftazidime, imipenem, and meropenem, was deciphered by screening a comprehensive PA14 mutant library for mutants with increased or reduced susceptibility to these antimicrobials. Confirmation of the phenotypes of all selected mutants was performed...

journal_title：Antimicrobial agents and chemotherapy

authors： Alvarez-Ortega C,Wiegand I,Olivares J,Hancock RE,Martínez JL

更新日期：2010-10-01 00:00:00

abstract：:The usefulness of β-lactam antimicrobial agents is threatened as never before by β-lactamase-producing bacteria. For this reason, there has been renewed interest in the development of broad-spectrum β-lactamase inhibitors. Herein we describe the results of dose fractionation and dose-ranging studies carried out using ...

journal_title：Antimicrobial agents and chemotherapy

authors： VanScoy BD,Trang M,McCauley J,Conde H,Bhavnani SM,Friedrich LV,Alexander DC,Ambrose PG

更新日期：2016-06-20 00:00:00

abstract：:Piperaquine (PQ) is an important partner drug in antimalarial combination treatments, but the long half-life of PQ raises concerns about drug resistance. Our aim was to investigate the extended antimalarial effect of PQ in a study of drug efficacy, reinoculation outcomes, and parasite viability after the administratio...

journal_title：Antimicrobial agents and chemotherapy

authors： Moore BR,Ilett KF,Page-Sharp M,Jago JD,Batty KT

更新日期：2009-07-01 00:00:00

abstract：:Although antimicrobial agents are effective therapy for early Lyme disease, optimal treatment schedules have not been conclusively established. The efficacy of various dosages of eight antibiotics used for borreliosis treatment was evaluated for C3H/HeNCrIBR mice, which reproducibly develop persistent infection, arthr...

journal_title：Antimicrobial agents and chemotherapy

authors： Moody KD,Adams RL,Barthold SW

更新日期：1994-07-01 00:00:00

abstract：:The susceptibilities of Streptococcus pneumoniae (1,476 strains) and untypeable Haemophilus influenzae (1,676 strains) to various oral beta-lactam, macrolide-azalide, and fluoroquinolone antimicrobial agents were determined by broth microdilution. Organisms were isolated from specimens obtained from outpatients in six...

journal_title：Antimicrobial agents and chemotherapy

authors： Jacobs MR,Bajaksouzian S,Zilles A,Lin G,Pankuch GA,Appelbaum PC

更新日期：1999-08-01 00:00:00

abstract：:An innovative liposomal formulation of meglumine antimoniate (LMA) was recently reported to promote both long-term parasite suppression and reduction of infectivity to sand flies in dogs with visceral leishmaniasis. However, 5 months after treatment, parasites were still found in the bone marrow of all treated dogs. I...

journal_title：Antimicrobial agents and chemotherapy

authors： da Silva SM,Amorim IF,Ribeiro RR,Azevedo EG,Demicheli C,Melo MN,Tafuri WL,Gontijo NF,Michalick MS,Frézard F

更新日期：2012-06-01 00:00:00

abstract：:The therapeutic effectiveness of adenine arabinoside 5'-monophosphate (ara-AMP), adenine arabinoside (ara-A), and phosphonoacetic acid (PAA) was compared in three experimental Herpesvirus hominis type 2 infections of mice. In animals inoculated with H. hominis by the intracerebral or intraperitoneal route, both ara-AM...

journal_title：Antimicrobial agents and chemotherapy

authors： Kern ER,Richards JT,Overall JC Jr,Glasgow LA

更新日期：1978-01-01 00:00:00

abstract：:In order to probe the structure and function of the mycobacterial catalase-peroxidase enzyme (KatG), we employed a genetic approach using dominant-negative analysis of katG merodiploids. Transformation of Mycobacterium bovis BCG with various katG point mutants (expressed from low-copy-number plasmids) resulted in redu...

journal_title：Antimicrobial agents and chemotherapy

authors： DeVito JA,Morris S

更新日期：2003-01-01 00:00:00

abstract：:Metronidazole is now being used with increasing frequency for various infectious conditions in patients with renal failure. It is commonly administered to septic patients who have developed acute renal failure requiring hemodialysis. The hemodialysis clearances of metronidazole and its metabolites were evaluated in ni...

journal_title：Antimicrobial agents and chemotherapy

authors： Lau AH,Chang CW,Sabatini S

更新日期：1986-02-01 00:00:00

abstract：:Leukocyte chemotaxis was inhibited 9.6% compared with control in the presence of 10 mug of gentamicin per ml and 10.5% when exposed to 20 mug of amikacin per ml. However, cells incubated with an injectable form of gentamicin, containing preservatives, were inhibited an additional 25.8% relative to cells incubated with...

journal_title：Antimicrobial agents and chemotherapy

authors： Goodhart GL

更新日期：1977-10-01 00:00:00

abstract：:We administered 2 g of ceftazidime intravenously every 8 h to cancer patients for the empiric therapy of febrile episodes. Ceftazidime was administered as monotherapy for patients with granulocyte counts in excess of 1,000/microliter. Febrile, neutropenic patients were randomized to also receive either piperacillin or...

journal_title：Antimicrobial agents and chemotherapy

authors： Drusano GL,Joshi J,Forrest A,Ruxer R,Standiford H,Leslie J,Wade J,Schimpff S

更新日期：1985-04-01 00:00:00

abstract：:The emergence of clinical enterococcal isolates resistant to both ampicillin and vancomycin is a cause of great concern, as there are few therapeutic alternatives for treatment of infections caused by such organisms. We evaluated the effects of the combination of ampicillin with vancomycin against vancomycin-resistant...

journal_title：Antimicrobial agents and chemotherapy

authors： Cercenado E,Eliopoulos GM,Wennersten CB,Moellering RC Jr

更新日期：1992-10-01 00:00:00

abstract：:Gemifloxacin mesylate (SB 265805), a new fluoronaphthyridone, was tested against 359 recent clinical anaerobic isolates by the National Committee for Clinical Laboratory Standards reference agar dilution method with supplemented brucella blood agar and an inoculum of 10(5) CFU/spot. Comparative antimicrobials tested i...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM,Warren Y,Tyrrell K,Merriam CV

更新日期：1999-09-01 00:00:00

abstract：:The efficacy of atovaquone alone or combined with pyrimethamine, sulfadiazine, clarithromycin, and minocycline was examined in vitro and in a murine model of acute toxoplasmosis. In vitro studies were performed with MRC5 fibroblast tissue cultures, with quantification of Toxoplasma growth by an enzyme-linked immunosor...

journal_title：Antimicrobial agents and chemotherapy

authors： Romand S,Pudney M,Derouin F

更新日期：1993-11-01 00:00:00

abstract：:We have isolated in vitro fluoroquinolone-resistant mutants of the Lyme disease agent, Borrelia burgdorferi. Mutations in parC, which encodes a subunit of topoisomerase IV, were associated with loss of susceptibility to sparfloxacin, moxifloxacin, and Bay-Y3118, but not ciprofloxacin. This is the first description of ...

journal_title：Antimicrobial agents and chemotherapy

authors： Galbraith KM,Ng AC,Eggers BJ,Kuchel CR,Eggers CH,Samuels DS

更新日期：2005-10-01 00:00:00

abstract：:Expression of high-level beta-lactam resistance is known to be thermosensitive in many methicillin-resistant Staphylococcus aureus (MRSA) strains, including strain COL, in which the high methicillin MIC for cultures grown at 37 degrees C (800 microg/ml) was reduced to 12 microg/ml at 42 degrees C. COL grew faster at 4...

journal_title：Antimicrobial agents and chemotherapy

authors： Sieradzki K,Chung M,Tomasz A

更新日期：2008-02-01 00:00:00

abstract：:The need for an accurate and rapid method of testing ampicillin susceptibility of Haemophilus influenzae, especially strains isolated from patients with meningitis and septicemia, is indisputable. Various methods have been employed for this purpose. Each has advantages and disadvantages. This report describes a modifi...

journal_title：Antimicrobial agents and chemotherapy

authors： Park CH,Lopez JS,Cook CB

更新日期：1978-02-01 00:00:00

abstract：:The binding of antibiotics to plasma (serum) proteins through hydrogen bonding can significantly influence the biological characteristics of these drugs. A rapid spectrophotometric assay has been developed that measures the level of free (unbound) penem antibiotic in serum ultrafiltrates. Whole human serum was adjuste...

journal_title：Antimicrobial agents and chemotherapy

authors： Gootz TD,Subashi TA,Lindner DL

更新日期：1988-02-01 00:00:00

abstract：:We have developed a chromatographic assay with high sensitivity and specificity to quantify G418 sulfate (Geneticin), an antibiotic used routinely in molecular genetics experiments for selecting eukaryotic transformants. With this method, G418 in tissues and plasma samples can be quantitated without the confounding fa...

journal_title：Antimicrobial agents and chemotherapy

authors： Bethune C,Bui T,Liu ML,Kay MA,Ho RJ

更新日期：1997-03-01 00:00:00

abstract：:Amoxicillin when administered with gastric acid suppressors has been shown to be effective in eradication of Helicobacter pylori in 50 to 80% of subjects. The aim of this investigator-blind crossover study was to determine if gastric mucosal amoxicillin uptake was affected by increasing gastric juice pH. Fifteen male ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cardaci G,Lambert JR,King RG,Onishi N,Midolo P

更新日期：1995-09-01 00:00:00

abstract：:DNA ligases are indispensable enzymes playing a critical role in DNA replication, recombination, and repair in all living organisms. Bacterial NAD+-dependent DNA ligase (LigA) was evaluated for its potential as a broad-spectrum antibacterial target. A novel class of substituted adenosine analogs was discovered by targ...

journal_title：Antimicrobial agents and chemotherapy

authors： Mills SD,Eakin AE,Buurman ET,Newman JV,Gao N,Huynh H,Johnson KD,Lahiri S,Shapiro AB,Walkup GK,Yang W,Stokes SS

更新日期：2011-03-01 00:00:00

abstract：:Eight healthy male volunteers received 1 g of either ceftazidime or cefamandole as an intravenous infection. Serial blood samples were taken over the next 8 h. Urine samples were collected over 24 h. Levels of these antibiotics were measured in the fluid of blisters resulting from application of cantharides. The conce...

journal_title：Antimicrobial agents and chemotherapy

authors： Armstrong GC,Wise R,Brown RM,Hancox J

更新日期：1981-09-01 00:00:00

abstract：:The mechanism of growth inhibition of Escherichia coli by thioglycerol was probed. The extent of growth inhibition depended on the ratio of thioglycerol to initial cell concentration. Exogenously added methionine and several methionine analogues reversed the inhibition of 2 to 40 mM thioglycerol. Exposure to thioglyce...

journal_title：Antimicrobial agents and chemotherapy

authors： Javor GT

更新日期：1983-12-01 00:00:00

abstract：:Remdesivir was recently approved by the Food and Drug Administration for the treatment of hospitalized patients with coronavirus disease 2019 (COVID-19). Remdesivir is the prodrug of an adenosine analogue that inhibits viral replication of several RNA virus families, including Coronaviridae Preclinical data in animal ...

journal_title：Antimicrobial agents and chemotherapy

authors： Aleissa MM,Silverman EA,Paredes Acosta LM,Nutt CT,Richterman A,Marty FM

更新日期：2020-12-16 00:00:00

abstract：:Gentamicin and tobramycin inhibited the accumulation of extracellular proteases secreted by Pseudomonas aeruginosa. The secretion of protease was inhibited at concentrations of these drugs that were below the level required to inhibit general protein synthesis. Neither magnesium ions nor high ionic strength antagonize...

journal_title：Antimicrobial agents and chemotherapy

authors： Warren RL,Baker NR,Johnson J,Stapleton MJ

更新日期：1985-04-01 00:00:00

abstract：:A novel trait for transferable resistance to high concentrations of trimethoprim was found to dominate among enterobacteria collected from different parts of Sri Lanka. Drug resistance was a result of the production of dihydrofolate reductase with a decreased sensitivity to antifolates. By characterization of the part...

journal_title：Antimicrobial agents and chemotherapy

authors： Sundström L,Vinayagamoorthy T,Sköld O

更新日期：1987-01-01 00:00:00

abstract：:Twenty-four children with cancer and localized herpes zoster were randomized to receive either topical polyinosinic acid-polycytidylic acid [poly(I:C)] or a saline placebo. Solutions containing 1.0 or 2.5 mg of drug per ml were applied to the lesions every 3 h, seven times a day for 7 consecutive days. Serial, standar...

journal_title：Antimicrobial agents and chemotherapy

authors： Feldman S,Hughes WT,Darlington RW,Kim HK

更新日期：1975-09-01 00:00:00

abstract：:The comparative in vitro activity of SMT19969, a novel, narrow-spectrum, nonabsorbable agent, was studied against 50 ribotype-defined Clostridium difficile strains, 174 Gram-positive and 136 Gram-negative intestinal anaerobes, and 40 Gram-positive aerobes. SMT19969 was one dilution more active against C. difficile iso...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM,Tyrrell KL,Merriam CV

更新日期：2013-10-01 00:00:00

abstract：:Rifalazil, also known as KRM-1648 or benzoxazinorifamycin, is a new semisynthetic rifamycin with a long half-life of approximately 60 h. Rifalazil has potent bactericidal activity against Mycobacterium tuberculosis in vitro and in animal models of tuberculosis (TB). Prior studies in healthy volunteers showed that once...

journal_title：Antimicrobial agents and chemotherapy

authors： Dietze R,Teixeira L,Rocha LM,Palaci M,Johnson JL,Wells C,Rose L,Eisenach K,Ellner JJ

更新日期：2001-07-01 00:00:00