Antiretroviral activities of protease inhibitors against murine leukemia virus and simian immunodeficiency virus in tissue culture.

abstract：:The aminoglycoside-modifying enzymes present in the first 120 clinical isolates harboring extended-spectrum beta-lactamases isolated in Spain were studied. Most of these isolates (84%) were gentamicin resistant. The enzymes most frequently associated and cotransferred with SHV-2 or TEM-type beta-lactamases were AAC(3)...

journal_title：Antimicrobial agents and chemotherapy

authors： Fernandez-Rodriguez A,Canton R,Perez-Diaz JC,Martinez-Beltran J,Picazo JJ,Baquero F

更新日期：1992-11-01 00:00:00

abstract：:A new method for the analysis of serum chloramphenicol by reversed-phase, high-performance liquid chromatography (HPLC) is described. The method involves a preliminary extraction of 0.1 ml of serum with ethyl acetate containing an internal standard, chromatography with a reversed-phase C18 microparticulate column with...

journal_title：Antimicrobial agents and chemotherapy

authors： Koup JR,Brodsky B,Lau A,Beam TR Jr

更新日期：1978-09-01 00:00:00

abstract：:9-[2-(Boranophosphonomethoxy)ethyl]adenine diphosphate (BH(3)-PMEApp) and (R)-9-[2-(boranophosphonomethoxy)propyl]adenine diphosphate (BH(3)-PMPApp), described here, represent the first nucleoside phosphonates modified on their alpha-phosphates that act as efficient substrates for the human immunodeficiency virus type...

journal_title：Antimicrobial agents and chemotherapy

authors： Frangeul A,Barral K,Alvarez K,Canard B

更新日期：2007-09-01 00:00:00

abstract：:Because rifampin-resistant strains of Staphylococcus aureus emerge during monotherapy with this drug, a search was made for potentially useful companion drugs. Bactericidal titers of spiked serum were determined, and time kill studies were performed for 10 strains of methicillin-susceptible S. aureus. We tested rifamp...

journal_title：Antimicrobial agents and chemotherapy

authors： Hackbarth CJ,Chambers HF,Sande MA

更新日期：1986-04-01 00:00:00

abstract：:The diversity of tet(S) genetic contexts of 13 enterococci from human, animal, and environmental samples from different geographical areas is reported. The tet(S) gene was linked to either CTn6000 variants of chromosomal location or composite platforms flanked by IS1216 located on plasmids (∼40 to 115 kb). The compara...

journal_title：Antimicrobial agents and chemotherapy

authors： Novais C,Freitas AR,Silveira E,Baquero F,Peixe L,Roberts AP,Coque TM

更新日期：2012-11-01 00:00:00

abstract：:Enterococci are intrinsically resistant to numerous antimicrobial agents. We examined the energy-dependent efflux of radiolabeled drugs from four reference strains of Enterococcus faecalis and a strain of Enterococcus faecium and found that most strains pumped out norfloxacin and chloramphenicol. Efflux of tetracyclin...

journal_title：Antimicrobial agents and chemotherapy

authors： Lynch C,Courvalin P,Nikaido H

更新日期：1997-04-01 00:00:00

abstract：:In this study, we investigated the in vitro activity of SCH-56592 (SCH), a new triazole antifungal agent. We compared the activity of SCH with those of itraconazole (ITZ) and amphotericin B (AB) against 60 clinical isolates of Aspergillus spp. by using a microtiter format. Incubation was done at 37 degrees C for 48 h,...

journal_title：Antimicrobial agents and chemotherapy

authors： Oakley KL,Moore CB,Denning DW

更新日期：1997-05-01 00:00:00

abstract：:The in vitro potency and in vivo efficacy of Q-35, a new fluoroquinolone, against Mycoplasma pneumoniae were investigated by pharmacokinetic studies with M. pneumoniae-infected hamsters. By using fluoroquinolones, macrolides, and tetracyclines as references, Q-35 was found to possess the greatest mycoplasmacidal activ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gohara Y,Arai S,Akashi A,Kuwano K,Tseng CC,Matsubara S,Matumoto M,Furudera T

更新日期：1993-09-01 00:00:00

abstract：:The goal of the present study was to examine the ability of cytochrome P450-2C9 (CYP2C9) to activate cyclophosphamide (CPA) and elicit tumor cell death. A CYP2C9-deficient human lymphoblastoid cell line (AHH-1 cells) and a derivative cell line (H2C9 cells) stably transfected with a cDNA encoding CYP2C9 were used. The ...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhou D,Lu Y,Steiner MS,Dalton JT

更新日期：2000-10-01 00:00:00

abstract：:The mecillinam resistance of Escherichia coli K-12 mutants deficient in the enzyme responsible for the synthesis of adenosine 3',5'-monophosphate, adenylate cyclase, has been investigated. The results suggest that resistance to this antibiotic may be a consequence of the slow growth rate of these mutants rather than a...

journal_title：Antimicrobial agents and chemotherapy

authors： Scott NW,Harwood CR

更新日期：1981-04-01 00:00:00

abstract：:2'-Deoxy-2'-fluorocytidine (FdC) is a potent inhibitor of the hepatitis C virus RNA replicon in culture, and FdC-5'-triphosphate is an effective inhibitor of the NS5B polymerase. Dynamic profiling of cell growth in an antiviral assay showed that FdC caused cytostasis due to an S-phase arrest. These observations demons...

journal_title：Antimicrobial agents and chemotherapy

authors： Stuyver LJ,McBrayer TR,Whitaker T,Tharnish PM,Ramesh M,Lostia S,Cartee L,Shi J,Hobbs A,Schinazi RF,Watanabe KA,Otto MJ

更新日期：2004-02-01 00:00:00

abstract：:Tilorone is a 50-year-old synthetic small-molecule compound with antiviral activity that is proposed to induce interferon after oral administration. This drug is used as a broad-spectrum antiviral in several countries of the Russian Federation. We have recently described activity in vitro and in vivo against the Ebola...

journal_title：Antimicrobial agents and chemotherapy

authors： Ekins S,Madrid PB

更新日期：2020-04-21 00:00:00

abstract：:Grazoprevir (GZR) plus elbasvir is an approved treatment for chronic infection with hepatitis C virus (HCV) genotype 1 or 4. HCV infection complications include liver cirrhosis, end-stage liver disease, and hepatocellular carcinoma. The objective of this study was to evaluate the pharmacokinetics and safety of multipl...

journal_title：Antimicrobial agents and chemotherapy

authors： Caro L,Wenning L,Guo Z,Fraser IP,Fandozzi C,Talaty J,Panebianco D,Ho M,Uemura N,Reitmann C,Angus P,Gane E,Marbury T,Smith WB,Iwamoto M,Butterton JR,Yeh WW

更新日期：2017-11-22 00:00:00

abstract：:Hepatitis C virus (HCV) strains belong to seven genotypes with numerous subtypes that respond differently to antiviral therapies. Genotype 1, and primarily subtype 1b, is the most prevalent genotype worldwide. The development of recombinant HCV infectious cell culture systems for different variants, permitted by the h...

journal_title：Antimicrobial agents and chemotherapy

authors： Pham LV,Ramirez S,Carlsen THR,Li YP,Gottwein JM,Bukh J

更新日期：2017-05-24 00:00:00

abstract：:We have evaluated the susceptibility of the murine gamma herpesvirus 68 (MHV-68) to a variety of antiviral agents. The acyclic nucleoside phosphonate analogs cidofovir [(S)-1-(3-hydroxy-2-phosphonylmethoxypropyl) cytosine], (S)-1-(3-hydroxy-2-phosphonylmethoxypropyl)adenine (HPMPA), and adefovir [9-(2-phosphonylmethox...

journal_title：Antimicrobial agents and chemotherapy

authors： Neyts J,De Clercq E

更新日期：1998-01-01 00:00:00

abstract：:Acyclovir cream has been available for the treatment of herpes labialis in numerous countries outside the United States for over a decade. Evidence for its efficacy comes from a few small clinical trials conducted in the 1980s. To examine more comprehensively the efficacy and safety of this formulation, we conducted t...

journal_title：Antimicrobial agents and chemotherapy

authors： Spruance SL,Nett R,Marbury T,Wolff R,Johnson J,Spaulding T

更新日期：2002-07-01 00:00:00

abstract：:Moxifloxacin (MXF) is a fluoroquinolone antibiotic that is effective against respiratory infections. However, the mechanisms of MXF lung diffusion are unknown. Active transport in other tissues has been suggested for several members of the fluoroquinolone family. In this study, transport of MXF was systematically inve...

journal_title：Antimicrobial agents and chemotherapy

authors： Brillault J,De Castro WV,Harnois T,Kitzis A,Olivier JC,Couet W

更新日期：2009-04-01 00:00:00

abstract：:Unlike mammalian cells, malarial parasites lack the enzymes to salvage preformed pyrimidines. For this reason, a combination of a thymidylate synthase inhibitor and the nucleoside thymidine should provide selective antimalarial activity even in the absence of any known active site differences between malarial and mamm...

journal_title：Antimicrobial agents and chemotherapy

authors： Rathod PK,Reshmi S

更新日期：1994-03-01 00:00:00

abstract：:An antibody induced in rabbits against a gentamicin-bovine serum albumin conjugate cross-reacted with the chemically related aminoglycoside, sisomicin, facilitating the development of a sisomicin radioimmunoassay. Sisomicin was labeled with (125)I using an acylating agent [3-(4-hydroxyphenyl)propionic acid-N-hydroxy-s...

journal_title：Antimicrobial agents and chemotherapy

authors： Broughton A,Strong JE,Bodey GP

更新日期：1976-02-01 00:00:00

abstract：:Lung infections caused by Mycobacterium abscessus are emerging as a global threat to individuals with cystic fibrosis and to other patient groups. Recent evidence for human-to-human transmission worsens the situation. M. abscessus is an intrinsically multidrug-resistant pathogen showing resistance to even standard ant...

journal_title：Antimicrobial agents and chemotherapy

authors： Aziz DB,Low JL,Wu ML,Gengenbacher M,Teo JWP,Dartois V,Dick T

更新日期：2017-05-24 00:00:00

abstract：:Daptomycin, a cyclic lipopeptide antibiotic, and 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors (statins) are commonly administered in the inpatient setting and are associated with creatine phosphokinase (CPK) elevations, myalgias, and muscle weakness. Safety data for coadministration of daptomyc...

journal_title：Antimicrobial agents and chemotherapy

authors： Bland CM,Bookstaver PB,Lu ZK,Dunn BL,Rumley KF,Southeastern Research Group Endeavor (SERGE-45).

更新日期：2014-10-01 00:00:00

abstract：:The complete sequence of the carbapenem-resistance-conferring conjugative plasmid pLD209 from a Pseudomonas putida clinical strain is presented. pLD209 is formed by 3 well-defined regions: an adaptability module encompassing a Tn402-like class 1 integron of clinical origin containing blaVIM-2 and aacA4 gene cassettes,...

journal_title：Antimicrobial agents and chemotherapy

authors： Marchiaro PM,Brambilla L,Morán-Barrio J,Revale S,Pasteran F,Vila AJ,Viale AM,Limansky AS

更新日期：2014-01-01 00:00:00

abstract：:Five patients with chronic hepatitis B were treated with 8-day courses of leukocyte (alpha) interferon (5 X 10(6) U/day) and with 8-day courses of recombinant fibroblast (betaser) interferon at dosages of 5 X 10(6), 35 X 10(6), and 105 X 10(6) U/day. Inhibition of hepatitis B virus replication as evidenced by a decrea...

journal_title：Antimicrobial agents and chemotherapy

authors： Eisenberg M,Rosno S,Garcia G,Konrad MW,Gregory PB,Robinson WS,Merigan TC

更新日期：1986-01-01 00:00:00

abstract：:The transfer of DNA between Enterococcus faecium strains has been characterized both by the movement of well-defined genetic elements and by the large-scale transfer of genomic DNA fragments. In this work, we report on the whole-genome analysis of transconjugants resulting from mating events between the vancomycin-res...

journal_title：Antimicrobial agents and chemotherapy

authors： García-Solache M,Lebreton F,McLaughlin RE,Whiteaker JD,Gilmore MS,Rice LB

更新日期：2016-09-23 00:00:00

abstract：:Two methods for testing the susceptibility of Mycobacterium tuberculosis to rifapentine have been developed: the agar proportion method and the radiometric BACTEC technique. A critical concentration of 0.5 microg of rifapentine per ml is proposed for both methods since it provides a reliable means of distinguishing be...

journal_title：Antimicrobial agents and chemotherapy

authors： Heifets L,Sanchez T,Vanderkolk J,Pham V

更新日期：1999-01-01 00:00:00

abstract：:This study sought to characterize the impact of 3 types of variation on the Standardized Antimicrobial Administration Ratio (SAAR) utilizing local National Healthcare Safety Network (NHSN) data. SAAR and antimicrobial days per 1,000 days present (AD/1000DP) were compiled monthly for Northwestern Memorial Hospital from...

journal_title：Antimicrobial agents and chemotherapy

authors： Avedissian SN,Rhodes NJ,Liu J,Aljefri D,Postelnick MJ,Sutton SH,Zembower TR,Martin D,Pais G,Cruce CE,Scheetz MH

更新日期：2019-02-26 00:00:00

abstract：:The outer membrane permeability to meropenem and imipenem in Escherichia coli K-12 was investigated, and its porin-deficient mutants were transformed with a constructed vector carrying the carbapenem-hydrolyzing CphA metallo-beta-lactamase gene. By using the method of Zimmermann and Rosselet, meropenem was shown to pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Cornaglia G,Guan L,Fontana R,Satta G

更新日期：1992-09-01 00:00:00

abstract：:We report the first description of the metallo-β-lactamase VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in Enterobacter cloacae 11236, which was isolated from blood specimens of a patient with colonic adenocarcinoma in Belgium. bla(VIM-31) was found on a class 1 integron located on a self-tra...

journal_title：Antimicrobial agents and chemotherapy

authors： Bogaerts P,Bebrone C,Huang TD,Bouchahrouf W,Degheldre Y,Deplano A,Hoffmann K,Glupczynski Y

更新日期：2012-06-01 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：: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