A zidovudine-resistant simian immunodeficiency virus mutant with a Q151M mutation in reverse transcriptase causes AIDS in newborn macaques.

abstract：:Replication complexes of hepatitis C virus synthesized two major species of viral RNA in vitro, double stranded and single stranded. NS5B nonnucleoside inhibitors inhibited dose dependently the synthesis of single-stranded RNA but not double-stranded RNA. Moreover, replication complexes carrying a mutation resistant t...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang W,Sun Y,Phadke A,Deshpande M,Huang M

更新日期：2007-01-01 00:00:00

abstract：:Quinolones, in addition to their antibacterial activities, act as immunomodulators. Osteopontin (OPN), a member of the extracellular matrix proteins, was found to play a role in the immune and inflammatory response. We found that quinolones significantly enhanced OPN secretion, namely, garenoxacin (220%), moxifloxacin...

journal_title：Antimicrobial agents and chemotherapy

authors： Shiratori B,Zhang J,Usami O,Chagan-Yasutan H,Suzuki Y,Nakajima C,Uede T,Hattori T

更新日期：2012-06-01 00:00:00

abstract：:The class A carbapenemase KPC-6 produces resistance to a broad range of β-lactam antibiotics. This enzyme hydrolyzes penicillins, the monobactam aztreonam, and carbapenems with similar catalytic efficiencies, ranging from 10(5) to 10(6) M(-1) s(-1). The catalytic efficiencies of KPC-6 against cephems vary to a greater...

journal_title：Antimicrobial agents and chemotherapy

authors： Lamoureaux TL,Frase H,Antunes NT,Vakulenko SB

更新日期：2012-11-01 00:00:00

abstract：:The antifolate activity and the transport characteristics of isoaminopterin (IA) in HeLa cells were studied and compared with those of methotrexate (MTX). Both IA and MTX inhibited the incorporation of [2-(14)C]deoxyuridine into HeLa cell DNA by 50% at a concentration of 0.09 muM by 8 h postaddition of the compounds. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rosemond-Hornbeak H,Nair MG

更新日期：1979-05-01 00:00:00

abstract：:Pathogenic bacterial biofilms, such as those found in the lungs of patients with cystic fibrosis (CF), exhibit increased antimicrobial resistance, due in part to the inherent architecture of the biofilm community. The protection provided by the biofilm limits antimicrobial dispersion and penetration and reduces the ef...

journal_title：Antimicrobial agents and chemotherapy

authors： Habash MB,Park AJ,Vis EC,Harris RJ,Khursigara CM

更新日期：2014-10-01 00:00:00

abstract：:The MICs and MBCs of the new difluorinated quinolone drug sparfloxacin against type strains belonging to 21 species of mycobacteria were screened. The MICs and MBCs were within the range of 0.1 to 2.0 and 0.1 to 4.0 micrograms/ml, respectively (with an MBC/MIC ratio of 1 to 2), and against 18 of the 21 species tested,...

journal_title：Antimicrobial agents and chemotherapy

authors： Rastogi N,Labrousse V,Goh KS,De Sousa JP

更新日期：1991-12-01 00:00:00

abstract：:Increases in community-acquired infections caused by extended-spectrum-β-lactamase (ESBL)-producing Enterobacteriaceae have important implications for hospital infection control and empirical antibiotic therapy protocols. We developed and validated a tool for identifying patients harboring these organisms at hospital ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tumbarello M,Trecarichi EM,Bassetti M,De Rosa FG,Spanu T,Di Meco E,Losito AR,Parisini A,Pagani N,Cauda R

更新日期：2011-07-01 00:00:00

abstract：:The biochemical properties of tetrahydrofuranyl (THF) carbapenems, carbapenems with THF substituents, were evaluated with respect to enzyme stability, binding to penicillin-binding proteins (PBPs), and penetration into gram-negative organisms. THF carbapenems showed increased stability to hog renal dehydropeptidases (...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang Y,Testa RT,Bhachech N,Rasmussen BA,Bush K

更新日期：1999-12-01 00:00:00

abstract：:LFF571 is a novel semisynthetic thiopeptide antibiotic with potent activity against a variety of Gram-positive pathogens, including Clostridium difficile. In vivo efficacy of LFF571 was compared to vancomycin in a hamster model of C. difficile infection (CDI). Infection was induced in Golden Syrian hamsters using a to...

journal_title：Antimicrobial agents and chemotherapy

authors： Trzasko A,Leeds JA,Praestgaard J,Lamarche MJ,McKenney D

更新日期：2012-08-01 00:00:00

abstract：:A randomized, prospective, double-blind, double-dummy, multicenter study investigated the efficacy and safety of 10 days of oral therapy with grepafloxacin at 400 mg once daily, grepafloxacin at 600 mg once daily, or ciprofloxacin at 500 mg twice daily in 624 patients with acute bacterial exacerbations of chronic bron...

journal_title：Antimicrobial agents and chemotherapy

authors： Chodosh S,Lakshminarayan S,Swarz H,Breisch S

更新日期：1998-01-01 00:00:00

abstract：:We and others recently identified copper resistance as important for virulence of Mycobacterium tuberculosis. Here, we introduce a high-throughput screening assay for agents that induce a copper hypersensitivity phenotype in M. tuberculosis and demonstrate that such copper-boosting compounds are effective against repl...

journal_title：Antimicrobial agents and chemotherapy

authors： Speer A,Shrestha TB,Bossmann SH,Basaraba RJ,Harber GJ,Michalek SM,Niederweis M,Kutsch O,Wolschendorf F

更新日期：2013-02-01 00:00:00

abstract：:Tedizolid and linezolid in vitro activities against 3,032 Gram-positive pathogens collected in Asia-Pacific, Eastern European, and Latin American medical centers during 2014 were assessed. The isolates were tested for susceptibility by the current reference broth microdilution methods. Due to concern over the effect o...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfaller MA,Flamm RK,Jones RN,Farrell DJ,Mendes RE

更新日期：2016-08-22 00:00:00

abstract：:Cell-free amino acid incorporation using ribosomes from strains of either Clostridium perfringens or Bacteroides fragilis was shown to be susceptible to inhibition by streptomycin and gentamicin. Ribosomes bound dihydrostreptomycin as effectively as ribosomes from Escherichia coli. No inactivation of streptomycin or g...

journal_title：Antimicrobial agents and chemotherapy

authors： Bryan LE,Kowand SK,Van Den Elzen HM

更新日期：1979-01-01 00:00:00

abstract：:Comparative time-kill experiments with Staphylococcus aureus bacteriophage (phage) Sb-1 alone and phage-antibiotic combinations (PACs) against two methicillin-resistant S. aureus (MRSA) strains have shown synergy with both daptomycin-phage and vancomycin-phage combinations. PACs prevented development of phage resistan...

journal_title：Antimicrobial agents and chemotherapy

authors： Kebriaei R,Lev K,Morrisette T,Stamper KC,Abdul-Mutakabbir JC,Lehman SM,Morales S,Rybak MJ

更新日期：2020-06-23 00:00:00

abstract：:Kill-kinetic methods were used to provide data on the bactericidal activity of subinhibitory (0.5x MIC), inhibitory (1x MIC), and suprainhibitory (4x MIC) concentrations of LY146032 against methicillin-susceptible and -resistant Staphylococcus aureus and Staphylococcus epidermidis. These bactericidal activities were c...

journal_title：Antimicrobial agents and chemotherapy

authors： Stratton CW,Liu C,Weeks LS

更新日期：1987-08-01 00:00:00

abstract：:Disk susceptibility tests with two structurally related aminoglycosides (amikacin and Sch 21420) were evaluated. Tests with 10- and 30-micrograms amikacin disks confirmed previous recommendations for interpretive zone standards; 30-micrograms disks are preferred. Tests with 10-, 20-, and 30-micrograms Sch 21420 disks ...

journal_title：Antimicrobial agents and chemotherapy

authors： Barry AL,Thornsberry C,Jones RN,Gerlach EH

更新日期：1980-10-01 00:00:00

abstract：:The physicochemical constants and some structural parameters (topological, steric, and electronic) of eight third-generation monofluorate quinolones (six uncommercialized and two used clinically [ciprofloxacin and enrofloxacin]) were determined: pKa, intrinsic solubility (S0), chromatographic capacity factor, partitio...

journal_title：Antimicrobial agents and chemotherapy

authors： Escribano E,Calpena AC,Garrigues TM,Freixas J,Domenech J,Moreno J

更新日期：1997-09-01 00:00:00

abstract：:Both recombinant alpha A interferon and azidothymidine inhibit the replication of human immunodeficiency virus in peripheral blood mononuclear cells. Combinations of recombinant alpha A interferon and azidothymidine at concentrations that are easily achievable in patients synergistically inhibit human immunodeficiency...

journal_title：Antimicrobial agents and chemotherapy

authors： Hartshorn KL,Vogt MW,Chou TC,Blumberg RS,Byington R,Schooley RT,Hirsch MS

更新日期：1987-02-01 00:00:00

abstract：:In a randomized, evaluator-blind, multicenter trial, we compared cefepime (2 g three times a day) with imipenem-cilastatin (500 mg four times a day) for the treatment of nosocomial pneumonia in 281 intensive care unit patients from 13 centers in six European countries. Of 209 patients eligible for per-protocol analysi...

journal_title：Antimicrobial agents and chemotherapy

authors： Zanetti G,Bally F,Greub G,Garbino J,Kinge T,Lew D,Romand JA,Bille J,Aymon D,Stratchounski L,Krawczyk L,Rubinstein E,Schaller MD,Chiolero R,Glauser MP,Cometta A,Cefepime Study Group,.

更新日期：2003-11-01 00:00:00

abstract：:The present population pharmacokinetic (PK) and pharmacodynamic (PD) study modeled the effects of covariates including drug adherence and the coadministration of protease inhibitors (PIs) on the pharmacokinetics of efavirenz (EFV) and the relationship between EFV exposure and virological failure in patients who failed...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfister M,Labbé L,Hammer SM,Mellors J,Bennett KK,Rosenkranz S,Sheiner LB,Adult AIDS Clinical Trial Group Study 398.

更新日期：2003-01-01 00:00:00

abstract：:Approximately 39% of methicillin-resistant Staphylococcus aureus (MRSA) sequence type 239 (ST239)-like bloodstream isolates from Liverpool Hospital (obtained between 1997 and 2008) carry an arginine catabolic mobile element (ACME). Whole-genome sequencing revealed that an ACME II variant is located between orfX and SC...

journal_title：Antimicrobial agents and chemotherapy

authors： Espedido BA,Steen JA,Barbagiannakos T,Mercer J,Paterson DL,Grimmond SM,Cooper MA,Gosbell IB,van Hal SJ,Jensen SO

更新日期：2012-06-01 00:00:00

abstract：:Polyamine levels are greatly increased in alveolar macrophages (AMs) during Pneumocystis pneumonia (PCP), leading to increased production of H(2)O(2), which causes AMs to undergo apoptosis. One of the mechanisms by which polyamine levels in AMs are elevated is enhanced uptake of exogenous polyamines. In this study, th...

journal_title：Antimicrobial agents and chemotherapy

authors： Liao CP,Phanstiel O 4th,Lasbury ME,Zhang C,Shao S,Durant PJ,Cheng BH,Lee CH

更新日期：2009-12-01 00:00:00

abstract：:Valproic acid (VPA) has the potential to benefit patients suffering from human immunodeficiency virus (HIV)-associated cognitive impairment. The purpose of this study was to determine if VPA affects the plasma concentration of efavirenz (EFV) or lopinavir. HIV type 1 (HIV-1)-infected patients receiving EFV or lopinavi...

journal_title：Antimicrobial agents and chemotherapy

authors： DiCenzo R,Peterson D,Cruttenden K,Morse G,Riggs G,Gelbard H,Schifitto G

更新日期：2004-11-01 00:00:00

abstract：:The pharmacokinetics of azlocillin were investigated in five healthy subjects and in 16 subjects with chronic renal failure. After intravenous bolus injection of a single dose of 30 mg/kg in normal subjects, pharmacokinetic data were calculated, using a two-compartment open body model. The mean distribution serum half...

journal_title：Antimicrobial agents and chemotherapy

authors： Leroy A,Humbert G,Godin M,Fillastre JP

更新日期：1980-03-01 00:00:00

abstract：:We conducted this double-blind, parallel-group, placebo-controlled, randomized, multiple-ascending-dose study to assess the safety, tolerability, pharmacokinetics, and pharmacodynamics of GS-9851 (formerly PSI-7851) in treatment-naïve patients infected with hepatitis C virus (HCV) genotype 1. Thirty-two patients recei...

journal_title：Antimicrobial agents and chemotherapy

authors： Lawitz E,Rodriguez-Torres M,Denning JM,Albanis E,Cornpropst M,Berrey MM,Symonds WT

更新日期：2013-03-01 00:00:00

abstract：:Pregnancy alters the pharmacokinetic properties of many drugs used in the treatment of malaria, usually resulting in lower drug exposures. This increases the risks of treatment failure, adverse outcomes for the fetus, and the development of resistance. The pharmacokinetic properties of artemether and its principal met...

journal_title：Antimicrobial agents and chemotherapy

authors： Tarning J,Kloprogge F,Dhorda M,Jullien V,Nosten F,White NJ,Guerin PJ,Piola P

更新日期：2013-10-01 00:00:00

abstract：:Previous studies on tetracycline transport into Staphylococcus aureus identified a high-affinity, saturable uptake system for the antibiotic (Km, 4.76 microM) (B.L. Hutchings, Biochim. Biophys. Acta 174:734-738, 1969). However, the earlier results could not be confirmed using conditions that permitted energy-dependent...

journal_title：Antimicrobial agents and chemotherapy

authors： Chopra I,Ismail S,Oliva B

更新日期：1991-12-01 00:00:00

abstract：:Halothane (2-bromo-2-chloro-1,1,1-trifluoroethane) inhibited herpes simplex virus type 1 (HSV-1) replication, although HSV-1 DNA was synthesized at normal levels in Vero cells. Viral capsids and extracellular virions were inhibited, and HSV-1 protein synthesis decreased by 50%, although no specific HSV-1 protein faile...

journal_title：Antimicrobial agents and chemotherapy

authors： Bedows E,Holland TC,Knight PR

更新日期：1986-05-01 00:00:00

abstract：:The available treatments for leishmaniasis are less than optimal due to inadequate efficacy, toxic side effects, and the emergence of resistant strains, clearly endorsing the urgent need for discovery and development of novel drug candidates. Ideally, these should act via an alternative mechanism of action to avoid cr...

journal_title：Antimicrobial agents and chemotherapy

authors： Sebastián-Pérez V,Hendrickx S,Munday JC,Kalejaiye T,Martínez A,Campillo NE,de Koning H,Caljon G,Maes L,Gil C

更新日期：2018-09-24 00:00:00

abstract：:Most manifestations of candidiasis are associated with biofilm formation on biological or inanimate surfaces. Candida albicans biofilms are recalcitrant to treatment with conventional antifungal therapies. Here we report on the activity of caspofungin, a new semisynthetic echinocandin, against C. albicans biofilms. Ca...

journal_title：Antimicrobial agents and chemotherapy

authors： Bachmann SP,VandeWalle K,Ramage G,Patterson TF,Wickes BL,Graybill JR,López-Ribot JL

更新日期：2002-11-01 00:00:00