In vitro activity of cefoperazone plus sulbactam compared with that of other antimicrobial agents against anaerobic bacteria.

abstract：:A total of 104 carbapenemase (serine- and metallo-beta-lactamase [MbetaL])-producing strains of the Enterobacteriaceae family collected from 2000 to 2005 in medical centers distributed worldwide were tested against tigecycline and 25 comparators by reference broth microdilution methods. The most frequent carbapenemase...

journal_title：Antimicrobial agents and chemotherapy

authors： Castanheira M,Sader HS,Deshpande LM,Fritsche TR,Jones RN

更新日期：2008-02-01 00:00:00

abstract：:Alveolar echinococcosis (AE) is a severe disease caused by the larval stage of the tapeworm Echinococcus multilocularis Current chemotherapeutic treatment options based on benzimidazoles are of limited effectiveness, which underlines the need to find new antiechinococcosis drugs. Metformin is an antihyperglycemic and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Loos JA,Dávila VA,Brehm K,Cumino AC

更新日期：2020-08-20 00:00:00

abstract：:Selected cephalosporins, including cefamandole, cephaloridine, cephaloglycin, and cefoxitin, were examined for their ability to inhibit the enzymatic activity of and act as substrates for beta-lactamases produced by Enterobacter cloacae and Staphylococcus aureus. Enzyme inhibition was determined by Michaelis-Menten ki...

journal_title：Antimicrobial agents and chemotherapy

authors： Mahoney DF,Koppel GA,Turner JR

更新日期：1976-09-01 00:00:00

abstract：:It is known that penicillin resistance of bacteria is mainly caused by the inactivation of penicillin by penicillinase derived from such strains. We have developed a screening procedure for penicillinase inhibitors. Several microorganisms were found to produce such inhibitors, and from the culture filtrate of Streptom...

journal_title：Antimicrobial agents and chemotherapy

authors： Iwai Y,Ono H,Takeshima H,Yamaguchi N,Omura S

更新日期：1973-09-01 00:00:00

abstract：:Escherichia coli K-12 cells grown in 1 to 5 mM sodium salicylate (SAL) or acetylsalicylate show increased phenotypic resistance to various antibiotics (J. L. Rosner, Proc. Natl. Acad. Sci. USA 82:8771-8774, 1985), including cephalosporins (this study). To determine whether these effects are caused by a decreased uptak...

journal_title：Antimicrobial agents and chemotherapy

authors： Foulds J,Murray DM,Chai T,Rosner JL

更新日期：1989-04-01 00:00:00

abstract：:The in vitro activity of the aminoglycoside 6'-N-acetyltransferase type Ib [AAC(6')-Ib] was inhibited by CuCl2 with a 50% inhibitory concentration (IC50) of 2.8 μM. The growth of an amikacin-resistant Klebsiella pneumoniae strain isolated from a neonate with meningitis was inhibited when amikacin was supplemented by t...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiem K,Fuentes BA,Lin DL,Tran T,Jackson A,Ramirez MS,Tolmasky ME

更新日期：2015-09-01 00:00:00

abstract：:Analysis of the transport functions of individual Candida albicans plasma membrane drug efflux pumps is hampered by the multitude of endogenous transporters. We have stably expressed C. albicans Cdr1p, the major pump implicated in multiple-drug-resistance phenotypes, from the genomic PDR5 locus in a Saccharomyces cere...

journal_title：Antimicrobial agents and chemotherapy

authors： Nakamura K,Niimi M,Niimi K,Holmes AR,Yates JE,Decottignies A,Monk BC,Goffeau A,Cannon RD

更新日期：2001-12-01 00:00:00

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：:The M184V substitution in human immunodeficiency virus type 1 reverse transcriptase (RT) is rapidly selected in tissue culture following serial passage of wild-type virus in the presence of increasing concentrations of lamivudine (3TC). M184V is also associated with several alterations of RT enzymatic function in vitr...

journal_title：Antimicrobial agents and chemotherapy

authors： Petrella M,Oliveira M,Moisi D,Detorio M,Brenner BG,Wainberg MA

更新日期：2004-11-01 00:00:00

abstract：:The in vitro activity of Bay v 3522, a new aminobenzothiazol cephem, was compared with those of other oral beta-lactams. Bay v 3522 displayed high activity against Staphylococcus spp. (MICs for 90% of strains tested [MIC90S], 0.5 micrograms/ml), Streptococcus pneumoniae (MIC90, 0.06 micrograms/ml), and Haemophilus inf...

journal_title：Antimicrobial agents and chemotherapy

authors： Wise R,Andrews JM,Ashby JP,Thornber D

更新日期：1990-05-01 00:00:00

abstract：:An ultrasensitive assay utilizing high-pressure liquid chromatography and mass spectrometry detection was developed and validated for the quantification of the antiretrovirals atazanavir (ATV), darunavir (DRV), lopinavir (LPV), ritonavir (RTV), and efavirenz (EFV) in human mononuclear cell (MNC) extracts. The assay ut...

journal_title：Antimicrobial agents and chemotherapy

authors： Podany AT,Winchester LC,Robbins BL,Fletcher CV

更新日期：2014-05-01 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 in vitro activity of rosamicin and erythromycin was compared at various pH values against 311 strains of bacteria representing common urinary tract pathogens. Alkalinization of the media consistently and significantly increased the antibacterial activity of rosamicin against all of the organisms tested. This was a...

journal_title：Antimicrobial agents and chemotherapy

authors： Eickhoff TC,Ehret JM

更新日期：1979-07-01 00:00:00

abstract：:Recently, the first Neisseria gonorrhoeae strain (H041) highly resistant to the expanded-spectrum cephalosporins (ESCs) ceftriaxone and cefixime, which are the last remaining options for first-line gonorrhea treatment, was isolated in Japan. Here, we confirm and characterize a second strain (F89) with high-level cefix...

journal_title：Antimicrobial agents and chemotherapy

authors： Unemo M,Golparian D,Nicholas R,Ohnishi M,Gallay A,Sednaoui P

更新日期：2012-03-01 00:00:00

abstract：:WR99210, a dihydrofolate reductase inhibitor, has promising in vitro activity against Mycobacterium avium complex (MAC). The in vitro activities of WR99210 alone and in combination with a fixed concentration of dapsone (0.5 microgram/ml) were evaluated against 35 clinical MAC isolates by a broth dilution method. The M...

journal_title：Antimicrobial agents and chemotherapy

authors： Shah LM,DeStefano MS,Cynamon MH

更新日期：1996-11-01 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：:NK-2, a membrane-acting antimicrobial peptide, was derived from the cationic core region of porcine NK-lysin and consists of 27 amino acid residues. It adopts an amphipathic, alpha-helical secondary structure and has been shown to interact specifically with membranes of negatively charged lipids. We therefore investig...

journal_title：Antimicrobial agents and chemotherapy

authors： Andrä J,Koch MH,Bartels R,Brandenburg K

更新日期：2004-05-01 00:00:00

abstract：:Ten patients received a loading dose of tobramycin of 60 mg/m2 intravenously over 0.5 h followed immediately by 60 mg/m2 over 2 h every 4 h. The highest mean serum concentration (at the end of the loading dose) was 6.0 +/- 0.3 microgram/ml (range, 3.2 to 10.9 microgram/ml). The mean serum concentration 2 h after the e...

journal_title：Antimicrobial agents and chemotherapy

authors： Lawson RD,Bodey GP,Pan T,Smith TL

更新日期：1980-05-01 00:00:00

abstract：:As part of the CANCER Antimicrobial Surveillance Program in North America, a Pseudomonas aeruginosa isolate, strain 07-406, was shown to possess a metallo-beta-lactamase, designated VIM-7. bla(VIM-7) is located on a 24-kb plasmid which can be readily transferred into Enterobacteriaceae and other pseudomonads. This is ...

journal_title：Antimicrobial agents and chemotherapy

authors： Toleman MA,Rolston K,Jones RN,Walsh TR

更新日期：2004-01-01 00:00:00

abstract：:As in other pathogenic fungi, the major sterol synthesized by Cryptococcus neoformans var. neoformans is ergosterol. This yeast also shares with most pathogenic fungi a susceptibility of its cytochrome P-450-dependent ergosterol synthesis to nanomolar concentrations of itraconazole. Fifty percent inhibition of ergoste...

journal_title：Antimicrobial agents and chemotherapy

authors： Vanden Bossche H,Marichal P,Le Jeune L,Coene MC,Gorrens J,Cools W

更新日期：1993-10-01 00:00:00

abstract：:Treating malaria in HIV-coinfected individuals should consider potential drug-drug interactions. Artemether-lumefantrine is the most widely recommended treatment for uncomplicated malaria globally. Lumefantrine is metabolized by CYP3A4, an enzyme that commonly used antiretrovirals often induce or inhibit. A population...

journal_title：Antimicrobial agents and chemotherapy

authors： Francis J,Barnes KI,Workman L,Kredo T,Vestergaard LS,Hoglund RM,Byakika-Kibwika P,Lamorde M,Walimbwa SI,Chijioke-Nwauche I,Sutherland CJ,Merry C,Scarsi KK,Nyagonde N,Lemnge MM,Khoo SH,Bygbjerg IC,Parikh S,Aweeka FT,

更新日期：2020-04-21 00:00:00

abstract：:Antibiotics are generally not effective against organisms in exopolysaccharide biofilms. A simple method of studying the effect of antibiotics on bacteria in established biofilms is reported. Escherichia coli ATCC 25922 cells grown overnight at 37 degrees C on Mueller-Hinton agar were suspended in buffer and dispensed...

journal_title：Antimicrobial agents and chemotherapy

authors： Prosser BL,Taylor D,Dix BA,Cleeland R

更新日期：1987-10-01 00:00:00

abstract：:Both ampicillin and cefuroxime therapy of neonates selected drug- and species-dependent beta-lactam resistance patterns in fecal strains of Escherichia coli and Klebsiella spp. This was in contrast to our previous findings that ampicillin, but not cefuroxime, contributed to the emergence of beta-lactam resistance also...

journal_title：Antimicrobial agents and chemotherapy

authors： Tullus K,Berglund B,Burman LG

更新日期：1990-02-01 00:00:00

abstract：:Targeting dormant Mycobacterium tuberculosis represents a challenge to antituberculosis drug discovery programs. We previously reported and validated the use of the streptomycin (STR)-dependent M. tuberculosis 18b strain as a tool for assessing drug potency against nonreplicating bacteria both in vitro and in vivo. In...

journal_title：Antimicrobial agents and chemotherapy

authors： Vocat A,Hartkoorn RC,Lechartier B,Zhang M,Dhar N,Cole ST,Sala C

更新日期：2015-07-01 00:00:00

abstract：:Oseltamivir is the most widely used anti-influenza drug. In the 2009 H1N1 pandemic, in which the influenza viruses were oseltamivir sensitive, obesity was identified as a risk factor for severe disease and unfavorable outcomes. The aim of this study was to investigate the pharmacokinetic properties of oseltamivir and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Jittamala P,Pukrittayakamee S,Tarning J,Lindegardh N,Hanpithakpong W,Taylor WR,Lawpoolsri S,Charunwattana P,Panapipat S,White NJ,Day NP

更新日期：2014-01-01 00:00:00

abstract：:Sixty-three consecutive streptococcal blood isolates from neutropenic patients, represented mainly by viridans group streptococci, were evaluated in vitro for antibiotic susceptibility. Of these isolates, 79.3% were highly susceptible to penicillin (MIC, less than or equal to 0.12 microgram/ml). Overall, imipenem was ...

journal_title：Antimicrobial agents and chemotherapy

authors： Venditti M,Baiocchi P,Santini C,Brandimarte C,Serra P,Gentile G,Girmenia C,Martino P

更新日期：1989-04-01 00:00:00

abstract：:A single-nucleotide polymorphism-based cluster grouping (SCG) classification system for Mycobacterium tuberculosis was used to examine antibiotic resistance type and resistance mutations in relationship to specific evolutionary lineages. Drug resistance and resistance mutations were seen across all SCGs. SCG-2 had hig...

journal_title：Antimicrobial agents and chemotherapy

authors： Brimacombe M,Hazbon M,Motiwala AS,Alland D

更新日期：2007-11-01 00:00:00

abstract：:Various steroids were tested for their effects upon gonococcal O2 consumption and glucose catabolism. The ability to inhibit gonococcal O2 uptake appeared to be related to the molecular configuration of the steroid. The presence of lipophilic groups enhanced inhibition, whereas the addition of hydrophilic groups marke...

journal_title：Antimicrobial agents and chemotherapy

authors： Lysko PG,Morse SA

更新日期：1980-08-01 00:00:00

abstract：:On the basis of the antiviral action of sulfated polyanions in human immunodeficiency virus and other viral infections, we studied the effect of dextran sulfate and heparin on duck hepatitis B virus infection. These agents do not affect viral uptake and replication in liver cells in vitro or in vivo. Sulfated polyanio...

journal_title：Antimicrobial agents and chemotherapy

authors： Offensperger WB,Offensperger S,Walter E,Blum HE,Gerok W

更新日期：1991-11-01 00:00:00

abstract：:Control of membrane permeability is a key step in regulating the intracellular concentration of antibiotics. Efflux pumps confer innate resistance to a wide range of toxic compounds such as antibiotics, dyes, detergents, and disinfectants in members of the Enterobacteriaceae. The AcrAB-TolC efflux pump is involved in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pérez A,Poza M,Aranda J,Latasa C,Medrano FJ,Tomás M,Romero A,Lasa I,Bou G

更新日期：2012-12-01 00:00:00