Uptake of antibiotics by human polymorphonuclear leukocyte cytoplasts.

abstract：:We investigated the impact of low-level resistance to fluoroquinolones on the bactericidal activity of ciprofloxacin in a murine model of urinary tract infection. The susceptible Escherichia coli strain CFT073 (ciprofloxacin MIC [CIP MIC] of 0.008 microg/ml) was compared to its transconjugants harboring qnrA1 or qnrS1...

journal_title：Antimicrobial agents and chemotherapy

authors： Allou N,Cambau E,Massias L,Chau F,Fantin B

更新日期：2009-10-01 00:00:00

abstract：:The in vitro activity of ceftriaxone was compared with those of other recently introduced beta-lactam antimicrobial agents (cefoperazone, cefotaxime, and moxalactam) and with those of cefoxitin, clindamycin, and metronidazole against 227 strains of anaerobic bacteria. The data obtained in this investigation suggest th...

journal_title：Antimicrobial agents and chemotherapy

authors： Rolfe RD,Finegold SM

更新日期：1982-08-01 00:00:00

abstract：:Recent studies using laboratory clones have demonstrated that several antiretroviral protease inhibitors (PIs) inhibit the growth of Plasmodium falciparum at concentrations that may be of clinical significance, especially during human immunodeficiency virus type 1 (HIV-1) and malaria coinfection. Using clinical isolat...

journal_title：Antimicrobial agents and chemotherapy

authors： Lek-Uthai U,Suwanarusk R,Ruengweerayut R,Skinner-Adams TS,Nosten F,Gardiner DL,Boonma P,Piera KA,Andrews KT,Machunter B,McCarthy JS,Anstey NM,Price RN,Russell B

更新日期：2008-07-01 00:00:00

abstract：:A mutant (TX5127) of Enterococcus faecalis OG1RF was generated by disruption mutagenesis of a previously described autolysin gene. TX5127 formed longer chains (2 to 10 cells per chain) than wild-type OG1RF (mainly single cells) during growth in broth even though it had a growth rate similar to that of the parental str...

journal_title：Antimicrobial agents and chemotherapy

authors： Qin X,Singh KV,Xu Y,Weinstock GM,Murray BE

更新日期：1998-11-01 00:00:00

abstract：:Thein vitroantibacterial activities of ceftazidime-avibactam and comparator agents were evaluated using reference broth microdilution methods against 1,743Pseudomonas aeruginosaisolates collected in 2014 from 69 U.S. medical centers, representing each of the nine census regions. Ceftazidime-avibactam demonstrated pote...

journal_title：Antimicrobial agents and chemotherapy

authors： Huband MD,Castanheira M,Flamm RK,Farrell DJ,Jones RN,Sader HS

更新日期：2016-03-25 00:00:00

abstract：:In the course of surveying for the carbapenem-hydrolyzing metallo-beta-lactamase gene bla(IMP) in pathogenic bacteria by the PCR method, we detected a gene encoding a variant metallo-beta-lactamase, designated IMP-3, which differed from IMP-1 by having low hydrolyzing activity for penicillins and carbapenems. PCR prod...

journal_title：Antimicrobial agents and chemotherapy

authors： Iyobe S,Kusadokoro H,Ozaki J,Matsumura N,Minami S,Haruta S,Sawai T,O'Hara K

更新日期：2000-08-01 00:00:00

abstract：:A reverse-phase high-pressure liquid chromatography method for the quantitation of sulbactam in plasma, urine, and tissue is described. The assay used the formation of an imidazole derivative followed by extraction with acetonitrile and dichloromethane and used UV absorbance for detection. The mobile phase consisted o...

journal_title：Antimicrobial agents and chemotherapy

authors： Bawdon RE,Madsen PO

更新日期：1986-08-01 00:00:00

abstract：:A case of Mycobacterium leprae rifampin resistance after irregular antileprosy treatments since 1971 is reported. Whole-genome sequencing from four longitudinal samples indicated relapse due to acquired rifampin resistance and not to reinfection with another strain. A putative compensatory mutation in rpoC was also de...

journal_title：Antimicrobial agents and chemotherapy

authors： Avanzi C,Maia RC,Benjak A,Nery JA,Sales AM,Miranda A,Duppre NC,Nogueira Brum Fontes A,Pereira da Silva T,Olmo Pinheiro R,Neves-Manta F,Moreira SJM,Busso P,Sarno EN,Suffys PN,Cole ST,Moraes MO

更新日期：2020-06-23 00:00:00

abstract：:Despite the documented benefit of voriconazole therapeutic drug monitoring, nonlinear pharmacokinetics make the timing of steady-state trough sampling and appropriate dose adjustments unpredictable by conventional methods. We developed a nonparametric population model with data from 141 previously richly sampled child...

journal_title：Antimicrobial agents and chemotherapy

authors： Neely M,Margol A,Fu X,van Guilder M,Bayard D,Schumitzky A,Orbach R,Liu S,Louie S,Hope W

更新日期：2015-01-01 00:00:00

abstract：:Ceftezole, a new cephalosporin derivative, was compared with cefazolin, cephaloridine, and cephalothin. Data obtained indicate that it is a broad-spectrum antibiotic, with almost identical antimicrobial activity against pathogenic organisms isolated from patients. The therapeutic effect of ceftezole on experimental in...

journal_title：Antimicrobial agents and chemotherapy

authors： Nishida M,Murakawa T,Kamimura T,Okada N,Sakamoto H,Fukada S,Nakamoto S,Yokota Y,Miki K

更新日期：1976-07-01 00:00:00

abstract：:The tight packing of six fatty acids in the lipid A constituent of lipopolysaccharide (LPS) has been proposed to contribute to the unusually low permeability of the outer membrane of gram-negative enteric bacteria to hydrophobic antibiotics. Here it is shown that the Escherichia coli msbB mutant, which elaborates defe...

journal_title：Antimicrobial agents and chemotherapy

authors： Vaara M,Nurminen M

更新日期：1999-06-01 00:00:00

abstract：:β-Lactam resistance levels vary among methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates, mediated by chromosomal mutations and exogenous resistance gene mecA However, MRSA resistance mechanisms are incompletely understood. A P440L mutation in the RNA polymerase β' subunit (RpoC) in slow-vancomycin-i...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsuo M,Yamamoto N,Hishinuma T,Hiramatsu K

更新日期：2019-01-29 00:00:00

abstract：:The radical-based theory proposes that three major classes of bactericidal antibiotics, i.e., β-lactams, quinolones, and aminoglycosides, have in common the downstream formation of lethal levels of reactive oxygen species (ROS) as part of the killing mechanism. If bactericidal antibiotics exhibit a common mechanism, t...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoeksema M,Brul S,Ter Kuile BH

更新日期：2018-05-25 00:00:00

abstract：:The emergence of artemisinin-resistant Plasmodium falciparum poses a major threat to current frontline artemisinin combination therapies. Artemisinin resistance is widely associated with mutations in the P. falciparum Kelch13 (PfKelch13) propeller region, leading to delayed parasite clearance and increased survival of...

journal_title：Antimicrobial agents and chemotherapy

authors： Tong JX,Ang SEL,Tan EHN,Tan KSW

更新日期：2019-03-27 00:00:00

abstract：:The fungus Saprochaete capitata causes opportunistic human infections, mainly in immunocompromised patients with hematological malignancies. The best therapy for this severe infection is still unknown. We evaluated the in vitro killing activity and the in vivo efficacy of posaconazole at 5, 10, or 20 mg/kg twice a day...

journal_title：Antimicrobial agents and chemotherapy

authors： Thomson P,Guarro J,Mayayo E,Capilla J

更新日期：2015-12-01 00:00:00

abstract：:This study compared nine susceptibility testing methods and 12 endpoints for anidulafungin, caspofungin, and micafungin with the same collection of blinded FKS hot spot mutant (n = 29) and wild-type isolates (n = 94). The susceptibility tests included EUCAST Edef 7.1, agar dilution, Etest, and disk diffusion with RPMI...

journal_title：Antimicrobial agents and chemotherapy

authors： Arendrup MC,Garcia-Effron G,Lass-Flörl C,Lopez AG,Rodriguez-Tudela JL,Cuenca-Estrella M,Perlin DS

更新日期：2010-01-01 00:00:00

abstract：:Many pathogenic and commensal organisms are multidrug resistant due to exposure to various antibiotics. Often, this antimicrobial resistance is encoded by integrons that occur on plasmids or that are integrated into the bacterial chromosome. Integrons are commonly associated with bacterial genera in the family Enterob...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein C,Lee MD,Sanchez S,Hudson C,Phillips B,Register B,Grady M,Liebert C,Summers AO,White DG,Maurer JJ

更新日期：2001-03-01 00:00:00

abstract：:A new recombinant phenotyping method was developed for the analysis of drug resistance mutations in human cytomegalovirus (CMV). CMV strain T2211 was derived from strain AD169 by inserting unique restriction sites and a secreted alkaline phosphatase (SEAP) reporter gene for rapid viral quantitation. Specific viral UL9...

journal_title：Antimicrobial agents and chemotherapy

authors： Chou S,Van Wechel LC,Lichy HM,Marousek GI

更新日期：2005-07-01 00:00:00

abstract：:Unlike most antimicrobial peptides (AMPs), the main mode of action of the subclass of proline-rich antimicrobial peptides (PrAMPs) is not based on disruption of the bacterial membrane. Instead, PrAMPs exploit the inner membrane transporters SbmA and YjiL/MdtM to pass through the bacterial membrane and enter the cytoso...

journal_title：Antimicrobial agents and chemotherapy

authors： Mardirossian M,Barrière Q,Timchenko T,Müller C,Pacor S,Mergaert P,Scocchi M,Wilson DN

更新日期：2018-07-27 00:00:00

abstract：:Small unilamellar amphotericin B liposomes can reduce the toxicity of amphotericin B. In this study, we compared the physical, antifungal, pharmocokinetic, and toxic properties of two liposomal amphotericin B products, AmBisome and Anfogen, that have the same chemical composition but are manufactured differently. In v...

journal_title：Antimicrobial agents and chemotherapy

authors： Olson JA,Adler-Moore JP,Jensen GM,Schwartz J,Dignani MC,Proffitt RT

更新日期：2008-01-01 00:00:00

abstract：:Using measured free fraction and 50% inhibitory concentration (IC50) values for the human immunodeficiency virus protease inhibitors lopinavir (LPV) and ritonavir (RTV) in tissue culture media with various protein concentrations ranging from 5 to 50%, we estimated serum-free IC50 values for each drug. The range of ser...

journal_title：Antimicrobial agents and chemotherapy

authors： Hickman D,Vasavanonda S,Nequist G,Colletti L,Kati WM,Bertz R,Hsu A,Kempf DJ

更新日期：2004-08-01 00:00:00

abstract：:Of five parenteral cephalosporins tested against 43 lactobacilli, cephaloridine, cefazolin, and cefamandole were the most active inhibitory and bactericidal agents. Timed-kill analysis revealed a slow bactericidal effect, with significant declines in mean minimal bactericidal concentration values at 48 h versus 24 h. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bayer AS,Chow AW,Concepcion NF,Guze LB

更新日期：1979-07-01 00:00:00

abstract：:Lantibiotics such as nisin (NIS) are peptide antibiotics that may have a role in the chemotherapy of bacterial infections. A perceived benefit of lantibiotics for clinical use is their low propensity to select resistance, although detailed resistance studies with relevant bacterial pathogens are lacking. Here we exami...

journal_title：Antimicrobial agents and chemotherapy

authors： Blake KL,Randall CP,O'Neill AJ

更新日期：2011-05-01 00:00:00

abstract：:Numerous studies have described a strong association between respiratory syncytial virus (RSV) infection in infancy and the development of recurrent wheezing and airway hyperresponsiveness. We evaluated the effect of an anti-RSV neutralizing monoclonal antibody (palivizumab) on different aspects of RSV disease by usin...

journal_title：Antimicrobial agents and chemotherapy

authors： Mejías A,Chávez-Bueno S,Ríos AM,Saavedra-Lozano J,Fonseca Aten M,Hatfield J,Kapur P,Gómez AM,Jafri HS,Ramilo O

更新日期：2004-05-01 00:00:00

abstract：:FCE 22891 is the oral prodrug of FCE 22101, a new broad-spectrum penem. The pharmacokinetics of FCE 22891 after single-dose administration, its absolute bioavailability, and the effect of food intake on its absorption were investigated in three different randomized crossover studies in healthy volunteers. Drug levels ...

journal_title：Antimicrobial agents and chemotherapy

authors： Saathoff A,Lode H,Hampel B,Deppermann KM,Borner K,Koeppe P

更新日期：1990-06-01 00:00:00

abstract：:To compare the effects of four antimicrobial peptides (MUC7 12-mer, histatin 12-mer, cathelicidin KR20, and a peptide containing lactoferricin amino acids 1 to 11) on the yeast Saccharomyces cerevisiae, we employed a genomewide fitness screen of combined collections of mutants with homozygous deletions of nonessential...

journal_title：Antimicrobial agents and chemotherapy

authors： Lis M,Bhatt S,Schoenly NE,Lee AY,Nislow C,Bobek LA

更新日期：2013-02-01 00:00:00

abstract：:The in vitro activities of CG400549, a novel FabI inhibitor, were compared to those of linezolid and commonly used antimicrobials against recent bacterial isolates. CG400549 had an MIC(90) of 0.5 microg/ml for Staphylococcus aureus strains and was more potent than either linezolid or vancomycin. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Yum JH,Kim CK,Yong D,Lee K,Chong Y,Kim CM,Kim JM,Ro S,Cho JM

更新日期：2007-07-01 00:00:00

abstract：:Two new fluorinated oxazolidinones, U-100592 and U-100766, were evaluated against more than 659 gram-positive and -negative organisms and compared with glycopeptides, erythromycin, clindamycin, clinafloxacin, and chloramphenicol. U-100592 and U-100766 were usually equally potent, but the MICs at which 90% of the isola...

journal_title：Antimicrobial agents and chemotherapy

authors： Jones RN,Johnson DM,Erwin ME

更新日期：1996-03-01 00:00:00

abstract：:In this report, we describe a new method to measure intracellular zidovudine triphosphate (ZDV-TP) levels in peripheral blood mononuclear cells (PBMCs) from patients treated with ZDV by utilizing inhibition of human immunodeficiency virus type 1 reverse transcriptase activity by ZDV-TP. Intracellular levels of ZDV-TP ...

journal_title：Antimicrobial agents and chemotherapy

authors： Robbins BL,Rodman J,McDonald C,Srinivas RV,Flynn PM,Fridland A

更新日期：1994-01-01 00:00:00

abstract：:In a sample of 6,156 sequences from 4,183 persons, the top 30 patterns of protease inhibitor, nucleoside reverse transcriptase (RT) inhibitor, and nonnucleoside RT inhibitor mutations accounted for 55, 46, and 66%, respectively, of sequences with drug resistance mutations. Characterization of the phenotypic and clinic...

journal_title：Antimicrobial agents and chemotherapy

authors： Rhee SY,Liu T,Ravela J,Gonzales MJ,Shafer RW

更新日期：2004-08-01 00:00:00