Inhibitory effects of quinolones on pro- and eucaryotic DNA topoisomerases I and II.

abstract：:Ethambutol [(S,S')-2,2'-(ethylenediimino)di-1-butanol; EMB], is a first-line drug used to treat tuberculosis. To gain insight into the molecular basis of EMB resistance, we characterized the 10-kb embCAB locus in 16 EMB-resistant and 3 EMB-susceptible genetically distinct Mycobacterium tuberculosis strains from divers...

journal_title：Antimicrobial agents and chemotherapy

authors： Sreevatsan S,Stockbauer KE,Pan X,Kreiswirth BN,Moghazeh SL,Jacobs WR Jr,Telenti A,Musser JM

更新日期：1997-08-01 00:00:00

abstract：:The aim of this study was to investigate the variability of the voriconazole plasma level and its relationships with clinical outcomes and adverse events among liver transplant recipients to optimize the efficacy and safety of their treatment. Liver transplant recipients treated with voriconazole were included, and vo...

journal_title：Antimicrobial agents and chemotherapy

authors： Hashemizadeh Z,Badiee P,Malekhoseini SA,Raeisi Shahraki H,Geramizadeh B,Montaseri H

更新日期：2017-11-22 00:00:00

abstract：:Artesunate (AS) is used in combination with amodiaquine (AQ) as first-line treatment for uncomplicated malaria in many countries. We investigated the effect of concomitant AS administration on the pharmacokinetics of AQ and compared concentrations of desethylamodiaquine (DEAQ), the main metabolite of AQ, in plasma bet...

journal_title：Antimicrobial agents and chemotherapy

authors： Adjei GO,Kristensen K,Goka BQ,Hoegberg LC,Alifrangis M,Rodrigues OP,Kurtzhals JA

更新日期：2008-12-01 00:00:00

abstract：:The effect of protein binding on drug penetration into blister fluid was evaluated by using cefonicid, ceftizoxime, and cefotaxime. Drug concentrations in a chamber with a high surface area/volume ratio (i.e., paper disk) follow changes in serum more closely than do those in a chamber with a low surface area/volume ra...

journal_title：Antimicrobial agents and chemotherapy

authors： Shyu WC,Quintiliani R,Nightingale CH,Dudley MN

更新日期：1988-01-01 00:00:00

abstract：:The present studies were conducted to better define the mechanism of action of polyethylene hexamethylene biguanide (PEHMB) (designated herein as NB325), which was shown in previous studies to inhibit infection by the human immunodeficiency virus type 1 (HIV-1). Fluorescence-activated flow cytometric analyses of activ...

journal_title：Antimicrobial agents and chemotherapy

authors： Thakkar N,Pirrone V,Passic S,Zhu W,Kholodovych V,Welsh W,Rando RF,Labib ME,Wigdahl B,Krebs FC

更新日期：2009-02-01 00:00:00

abstract：:Identifying and understanding potential drug-drug interactions (DDIs) are vital for the treatment of human immunodeficiency virus type 1 (HIV-1) infection. This article discusses DDIs between doravirine, a nonnucleoside reverse transcriptase inhibitor (NNRTI), and cytochrome P450 3A (CYP3A) substrates and drugs that m...

journal_title：Antimicrobial agents and chemotherapy

authors： Khalilieh SG,Yee KL,Sanchez RI,Fan L,Anderson MS,Sura M,Laethem T,Rasmussen S,van Bortel L,van Lancker G,Iwamoto M

更新日期：2019-04-25 00:00:00

abstract：:Fifty-seven cultures of Haemophilus influenzae were tested for production of beta-lactamase by use of a modified, 1-min test. Only the 24 cultures that were ampicillin resistant, whether type b or not, yielded positive results for the enzyme; all ampicillin-susceptible isolates were uniformly negative. The beta-lactam...

journal_title：Antimicrobial agents and chemotherapy

authors： Escamilla J

更新日期：1976-01-01 00:00:00

abstract：:Mycoplasma hominis was highly susceptible to two new quinolones, with MICs for 90% of isolates tested of 0.004 micrograms/ml for WIN 57273 and 0.063 micrograms/ml for sparfloxacin, which were activities much greater than the 1 microgram/ml found for ofloxacin and tetracycline. Although Ureaplasma urealyticum was less ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kenny GE,Cartwright FD

更新日期：1991-07-01 00:00:00

abstract：:Persistent infections with Chlamydia pneumoniae have been implicated in the development of chronic diseases, such as atherosclerosis and asthma. Although azithromycin, clarithromycin, and levofloxacin are frequently used for the treatment of respiratory C. pneumoniae infections, little is known about the dose and dura...

journal_title：Antimicrobial agents and chemotherapy

authors： Kutlin A,Roblin PM,Hammerschlag MR

更新日期：2002-02-01 00:00:00

abstract：:Our mutagenesis study has investigated all amino acid mutations in the penicillin-binding domain of PBP 1A from Hungarian pneumococcal isolate 3191 to determine the importance of every mutation in the development of penicillin and cefotaxime resistance. Our data reveal that mutations at amino acid positions 574 to 577...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith AM,Klugman KP

更新日期：2003-01-01 00:00:00

abstract：:There has been a marked increase in the resistance of Neisseria gonorrhoeae isolated in Korea to penicillin, ampicillin, and tetracycline. In contrast, there has been no increased resistance to spectinomycin. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wilson C,Rose DL,Tramont EC

更新日期：1976-04-01 00:00:00

abstract：:In an effort to discover novel, noncarbohydrate inhibitors of influenza virus neuraminidase we hypothesized that compounds which contain positively charged amino groups in an appropriate position to interact with the Asp 152 or Tyr 406 side chains might be bound tightly by the enzyme. Testing of 300 alpha- and beta-am...

journal_title：Antimicrobial agents and chemotherapy

authors： Kati WM,Montgomery D,Maring C,Stoll VS,Giranda V,Chen X,Laver WG,Kohlbrenner W,Norbeck DW

更新日期：2001-09-01 00:00:00

abstract：:The iron-chelating drug deferoxamine (DFO) has been shown to be active in animal models of Pneumocystis carinii pneumonia (PCP), with effective daily intraperitoneal bolus dosages being 400 and 1,000 mg of DFO mesylate kg of body weight-1 in mouse and rat models, respectively. Continuous infusion produced a moderately...

journal_title：Antimicrobial agents and chemotherapy

authors： Merali S,Chin K,Del Angel L,Grady RW,Armstrong M,Clarkson AB Jr

更新日期：1995-09-01 00:00:00

abstract：:Colistin penetration into the cerebrospinal fluid (CSF) was studied in five critically ill adult patients receiving colistin methanesulfonate for infections by multiresistant gram-negative bacilli. Colistin concentrations were determined in paired serum and CSF samples, with the latter taken by lumbar puncture, with t...

journal_title：Antimicrobial agents and chemotherapy

authors： Markantonis SL,Markou N,Fousteri M,Sakellaridis N,Karatzas S,Alamanos I,Dimopoulou E,Baltopoulos G

更新日期：2009-11-01 00:00:00

abstract：:A remarkably high rate of adverse events is associated with the use of trimethoprim-sulfamethoxazole in patients with human immunodeficiency virus type 1 infection. We examined the efficacies of sulfonamides alone in the prevention of Pneumocystis carinii pneumonitis, with the assumption that at least some of the adve...

journal_title：Antimicrobial agents and chemotherapy

authors： Hughes WT,Killmar J

更新日期：1996-04-01 00:00:00

abstract：:The penam nucleus can assume two conformations; these are designated open and closed. The synthetic (2,3)-alpha- and (2,3)-beta-methylenepenams can be regarded as analogs of the open and closed conformations, respectively. It has been shown that the beta-methylenepenams are essentially inactive, suggesting that the cl...

journal_title：Antimicrobial agents and chemotherapy

authors： Christenson JG,Pruess DL,Talbot MK,Keith DD

更新日期：1988-07-01 00:00:00

abstract：:Passive antibody administration is a potentially useful approach for the therapy of human Cryptococcus neoformans infections. To evaluate the efficacy of the human immunoglobulin G1 (IgG1) constant region against C. neoformans and to construct murine antibody derivatives with reduced immunogenicities and longer half-l...

journal_title：Antimicrobial agents and chemotherapy

authors： Zebedee SL,Koduri RK,Mukherjee J,Mukherjee S,Lee S,Sauer DF,Scharff MD,Casadevall A

更新日期：1994-07-01 00:00:00

abstract：:Two patients (patients A and B) infected with Salmonella typhimurium failed ciprofloxacin therapy, and the posttherapy isolates had reduced susceptibilities to quinolones; 6 of 11 isolates from patient B were also cross-resistant to chemically unrelated agents. No transferable resistance, chloramphenicol-acetylating e...

journal_title：Antimicrobial agents and chemotherapy

authors： Piddock LJ,Griggs DJ,Hall MC,Jin YF

更新日期：1993-04-01 00:00:00

abstract：:Surotomycin (formerly called CB-183,315) is a novel, orally administered cyclic lipopeptide antibacterial in development for the treatment of Clostridium difficile infection (CDI) that has potent activity against vancomycin-resistant enterococci (VRE) but limited activity against Gram-negative bacilli, including Bacte...

journal_title：Antimicrobial agents and chemotherapy

authors： Deshpande A,Hurless K,Cadnum JL,Chesnel L,Gao L,Chan L,Kundrapu S,Polinkovsky A,Donskey CJ

更新日期：2016-05-23 00:00:00

abstract：:The apparent body clearance of chloramphenicol was investigated in 21 hospitalized adult patients on 27 occasions. Apparent body clearance was found to be significantly lower (1.99 +/- 1.49 ml/min per kg) in patients with total serum bilirubin concentrations of >1.5 mg/100 ml than in patients with serum bilirubin conc...

journal_title：Antimicrobial agents and chemotherapy

authors： Koup JR,Lau AH,Brodsky B,Slaughter RL

更新日期：1979-05-01 00:00:00

abstract：:Halocidin is an antimicrobial peptide found in the tunicate. A series of experiments were previously conducted in an attempt to develop a novel antibiotic derived from halocidin, as the peptide was determined to evidence profound antimicrobial activity against a variety of antibiotic-resistant microbes, with significa...

journal_title：Antimicrobial agents and chemotherapy

authors： Jang WS,Lee SC,Lee YS,Shin YP,Shin KH,Sung BH,Kim BS,Lee SH,Lee IH

更新日期：2007-11-01 00:00:00

abstract：:We recently reported the chromosomal location of the staphylococcal beta-lactamase gene in four strains of Enterococcus faecalis. Transfer of this gene from strain CH19 to an enterococcal recipient was accompanied by transfer of numerous other antimicrobial resistance determinants in the absence of detectable plasmid ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rice LB,Marshall SH

更新日期：1992-09-01 00:00:00

abstract：:Plasmid-mediated mechanisms, comprising TEM hyperproduction, TEM derivative production, and OXA production, lead to amoxicillin-clavulanic acid resistance in enterobacteria. The ability of the single-strand conformation polymorphism (SSCP)-PCR method to differentiate the genes encoding inhibitor-resistant beta-lactama...

journal_title：Antimicrobial agents and chemotherapy

authors： Speldooren V,Heym B,Labia R,Nicolas-Chanoine MH

更新日期：1998-04-01 00:00:00

abstract：:Pipemidic acid was absorbed well by the oral route. Its peak levels in plasma ranged from 4 to 12 mug/ml at an oral dose of about 50 mg/kg in mice, rats, dogs, monkeys, and men. The protein binding of pipemidic acid was about 20% in dog plasma and about 30% in human serum. Pipemidic acid was distributed to most of the...

journal_title：Antimicrobial agents and chemotherapy

authors： Shimizu M,Nakamura S,Takase Y,Kurobe N

更新日期：1975-04-01 00:00:00

abstract：:Norovirus (NoV) is the leading cause of acute gastroenteritis worldwide, causing over 200,000 deaths a year. NoV is nonenveloped, with a single-stranded RNA genome, and is primarily transmitted person to person. The viral RNA-dependent RNA polymerase (RdRp) is critical for the production of genomic and subgenomic RNA ...

journal_title：Antimicrobial agents and chemotherapy

authors： Eltahla AA,Lim KL,Eden JS,Kelly AG,Mackenzie JM,White PA

更新日期：2014-06-01 00:00:00

abstract：:The current recommendations for intravenous (i.v.) acyclovir dosing in obese patients suggest using ideal body weight (IBW) rather than total body weight (TBW). To our knowledge, no pharmacokinetic analysis has validated this recommendation. This single-dose pharmacokinetic study was conducted in an inpatient oncology...

journal_title：Antimicrobial agents and chemotherapy

authors： Turner RB,Cumpston A,Sweet M,Briggs F,Slain D,Wen S,Craig M,Hamadani M,Petros W

更新日期：2016-01-11 00:00:00

abstract：:Here, we report that the genetic structure of Tn1331 remained conserved in Argentina from 1989 to 2013 (72 of 73 isolates), with the exception being the plasmid-borne Tn1331-like transposon Tn6238 containing a new aac(6')-Ib-cr allele recovered from a colistin-resistant Klebsiella pneumoniae clinical isolate. A bioinf...

journal_title：Antimicrobial agents and chemotherapy

authors： Quiroga MP,Orman B,Errecalde L,Kaufman S,Centrón D

更新日期：2015-05-01 00:00:00

abstract：:The gene ere(A) of the plasmid pIP1100 is larger than originally reported and is organized as an integron gene cassette. The ere(A) gene cassette carries its own promoter and is propagated by a class 2 integron with an insertion sequence element, IS1, inserted upstream of the intI2 gene. The mobility of the ere(A) cas...

journal_title：Antimicrobial agents and chemotherapy

authors： Biskri L,Mazel D

更新日期：2003-10-01 00:00:00

abstract：:Initial studies indicate that rifampin may be useful for the treatment of Staphylococcus aureus infections. Because bacterial resistance to rifampin may develop rapidly, its widespread use could result in the emergence of a resistant flora. This study evaluates the effectiveness of rifampin in reducing the nasal carri...

journal_title：Antimicrobial agents and chemotherapy

authors： Sande MA,Mandell GL

更新日期：1975-03-01 00:00:00

abstract：:Amoxicillin and ampicillin were compared at a dose of 250 mg twice daily for 4 weeks to treat Salmonella typhi or Salmonella paratyphi A chronic bacteriuria with intermittent bacteremia. Eleven patients received amoxicillin, and 15 received ampicillin. Concentrations of the two drugs were measured in the urine and ser...

journal_title：Antimicrobial agents and chemotherapy

authors： Bassily SB,Kilpatrick ME,Farid Z,Mikhail IA,El-Masry NA

更新日期：1981-11-01 00:00:00