Hepatitis C virus (HCV) NS5B nonnucleoside inhibitors specifically block single-stranded viral RNA synthesis catalyzed by HCV replication complexes in vitro.

abstract：:To investigate the effects of posaconazole (POS) and amphotericin B (AMB) combination therapy in cryptococcal infection, we established an experimental model of systemic cryptococcosis in CD1 mice by intravenous injection of three distinct clinical isolates of Cryptococcus neoformans. Therapy was started 24 h after th...

journal_title：Antimicrobial agents and chemotherapy

authors： Barchiesi F,Spreghini E,Schimizzi AM,Maracci M,Giannini D,Carle F,Scalise G

更新日期：2004-09-01 00:00:00

abstract：:Serratia marcescens S-95, which displayed an unusually high degree of resistance to aminoglycosides, including kanamycins and gentamicins, was isolated in 2002 from a patient in Japan. The resistance was mediated by a large plasmid which was nonconjugative but transferable to an Escherichia coli recipient by transform...

journal_title：Antimicrobial agents and chemotherapy

authors： Doi Y,Yokoyama K,Yamane K,Wachino J,Shibata N,Yagi T,Shibayama K,Kato H,Arakawa Y

更新日期：2004-02-01 00:00:00

abstract：:A total of 201 Staphylococcus aureus isolates were surveyed for susceptibility to ciprofloxacin and trovafloxacin. Of 66 methicillin-resistant isolates, 89% were ciprofloxacin resistant and 6% were also trovafloxacin resistant. Trovafloxacin-resistant strains had unusual patterns of quinoline resistance mutations in D...

journal_title：Antimicrobial agents and chemotherapy

authors： Fitzgibbon JE,John JF,Delucia JL,Dubin DT

更新日期：1998-08-01 00:00:00

abstract：:Despite controversies associated with forms and value of antibiotic therapy for cystic fibrosis patients, antibiotherapy remains a cornerstone in the management of those patients. Locally administered liposome-encapsulated antibiotics may offer advantages over free antibiotics, including sustained concentration of the...

journal_title：Antimicrobial agents and chemotherapy

authors： Beaulac C,Clément-Major S,Hawari J,Lagacé J

更新日期：1996-03-01 00:00:00

abstract：:We studied polymyxin B resistance in 10 pairs of clinical Acinetobacter baumannii isolates, two of which had developed polymyxin B resistance in vivo. All polymyxin B-resistant isolates had lower growth rates than and substitution mutations in the lpx or pmrB gene compared to their parent isolates. There were signific...

journal_title：Antimicrobial agents and chemotherapy

authors： Lim TP,Ong RT,Hon PY,Hawkey J,Holt KE,Koh TH,Leong ML,Teo JQ,Tan TY,Ng MM,Hsu LY

更新日期：2015-12-01 00:00:00

abstract：:In this study, concentrations of amikacin in blood and bronchial secretions of 10 patients with mechanical ventilation for acute respiratory failure due to pneumonia were measured. One-half of the patients received amikacin twice daily, and the others received once-daily administration. Concentrations in bronchial sec...

journal_title：Antimicrobial agents and chemotherapy

authors： Santré C,Georges H,Jacquier JM,Leroy O,Beuscart C,Buguin D,Beaucaire G

更新日期：1995-01-01 00:00:00

abstract：:A model of orogastric candidosis in SCID mice, which mimics disease seen in AIDS patients, was used to evaluate ravuconazole in comparison with fluconazole for treatment. Mice were infected orally with Candida albicans and received either no treatment or oral treatment once daily for 12 days with 1, 5, or 25 mg of rav...

journal_title：Antimicrobial agents and chemotherapy

authors： Clemons KV,Stevens DA

更新日期：2001-12-01 00:00:00

abstract：:A case-control study of the effect of antiretroviral therapy (ART) on apoptosis pathway genes comprising 16 cases (HIV infected with mitochondrial toxicity) and 16 controls (HIV uninfected) was conducted. A total of 26 of 84 genes of the apoptosis pathway were differentially expressed. Two of the upregulated genes, DF...

journal_title：Antimicrobial agents and chemotherapy

authors： Foli Y,Ghebremichael M,Li M,Paintsil E

更新日期：2017-07-25 00:00:00

abstract：:Attachment of giardias to intestinal cells has been difficult to study because of a lack of a convenient in vitro model. We developed an assay for attachment of radiolabeled trophozoites to IEC-6 cells that can be done in microtiter trays. Attachment was confirmed by scanning and transmission electron microscopy. Trop...

journal_title：Antimicrobial agents and chemotherapy

authors： McCabe RE,Yu GS,Conteas C,Morrill PR,McMorrow B

更新日期：1991-01-01 00:00:00

abstract：:Tafenoquine is a novel 8-aminoquinoline antimalarial drug recently approved by the U.S. Food and Drug Administration (FDA) for the radical cure of acute Plasmodium vivax malaria, which is the first new treatment in almost 60 years. A population pharmacokinetic (POP PK) analysis was conducted with tafenoquine exposure ...

journal_title：Antimicrobial agents and chemotherapy

authors： Thakkar N,Green JA,Koh GCKW,Duparc S,Tenero D,Goyal N

更新日期：2018-10-24 00:00:00

abstract：:Recent pharmacokinetic studies that included children found that serum drug levels were low compared to those of adults for whom the same dosages were used. This study aimed to characterize the pharmacokinetics of pyrazinamide and ethambutol in Malawian children and to examine the impact of age, nutritional status, an...

journal_title：Antimicrobial agents and chemotherapy

authors： Graham SM,Bell DJ,Nyirongo S,Hartkoorn R,Ward SA,Molyneux EM

更新日期：2006-02-01 00:00:00

abstract：:Candida krusei ATCC 6258 was tested by eight laboratories using 96-well plates containing checkerboard pairwise combinations of amphotericin B (AMB), posaconazole (PSC), caspofungin (CSP), and voriconazole (VRC). The methodology led to reproducible results across the laboratories. All drug combinations yielded MICs lo...

journal_title：Antimicrobial agents and chemotherapy

authors： Chaturvedi V,Ramani R,Ghannoum MA,Killian SB,Holliday N,Knapp C,Ostrosky-Zeichner L,Messer SA,Pfaller MA,Iqbal NJ,Arthington-Skaggs BA,Vazquez JA,Sein T,Rex JH,Walsh TJ

更新日期：2008-04-01 00:00:00

abstract：:Multilocus microsatellite polymorphisms in 27 clinical Candida albicans isolates were found to be clearly unrelated to in vitro paradoxical growth or trailing effect with caspofungin. These findings suggest that such in vitro phenotypes are either gained or lost too rapidly to be predicted by more stable genomic marke...

journal_title：Antimicrobial agents and chemotherapy

authors： Khlif M,Bogreau H,Michel-Nguyen A,Ayadi A,Ranque S

更新日期：2010-03-01 00:00:00

abstract：:The effect of protein binding on the activity of teicoplanin against Staphylococcus aureus was evaluated. Bactericidal rates of teicoplanin in cation-supplemented Mueller-Hinton broth (SMHB) and in a 1:1 mixture of pooled human serum and cation-supplemented Mueller-Hinton broth (PHS-SMHB) were compared with those of v...

journal_title：Antimicrobial agents and chemotherapy

authors： Bailey EM,Rybak MJ,Kaatz GW

更新日期：1991-06-01 00:00:00

abstract：:The exogenous control of hepatitis C virus (HCV) replication can be mediated through the inhibition of the RNA-dependent RNA polymerase (RdRp) activity of NS5B. Small-molecule inhibitors of NS5B include nucleoside and nonnucleoside analogs. Here, we report the discovery of a novel class of HCV polymerase nonnucleoside...

journal_title：Antimicrobial agents and chemotherapy

authors： Nyanguile O,Pauwels F,Van den Broeck W,Boutton CW,Quirynen L,Ivens T,van der Helm L,Vandercruyssen G,Mostmans W,Delouvroy F,Dehertogh P,Cummings MD,Bonfanti JF,Simmen KA,Raboisson P

更新日期：2008-12-01 00:00:00

abstract：:KBP-7072 is a novel aminomethylcycline antibiotic in clinical development for community-acquired pneumonia. The goal of present studies was to determine which pharmacokinetic/pharmacodynamic (PK/PD) parameter magnitude correlated with efficacy in the murine pneumonia infection model against Staphylococcus aureus and S...

journal_title：Antimicrobial agents and chemotherapy

authors： Lepak AJ,Zhao M,Liu Q,Wang P,Wang Y,Bader JC,Ambrose PG,Andes DR

更新日期：2019-02-26 00:00:00

abstract：:Although controversial, it has been suggested that antibiotic treatment of laboratory animals infected with Borrelia burgdorferi often leads to the persistence of residual spirochetes that are claimed to be viable but noncultivable. If viable cells of B. burgdorferi do persist following antibiotic therapy, one possibl...

journal_title：Antimicrobial agents and chemotherapy

authors： Pavia CS,Wormser GP

更新日期：2014-11-01 00:00:00

abstract：:Cilastatin inhibits dehydropeptidase-I, a zinc metaloenzyme that metabolizes imipenem. Because zinc stabilizes the mammalian superoxide dismutase, we postulated that cilastatin would also inhibit the dismutase. Cilastatin concentrations at levels threefold higher than those expected in urine, however, did not inhibit ...

journal_title：Antimicrobial agents and chemotherapy

authors： Proctor RA,Textor JA

更新日期：1985-11-01 00:00:00

abstract：:At least four broad-spectrum efflux pumps (Mex) are involved in elevated intrinsic antibiotic resistance as well as in acquired multidrug resistance in Pseudomonas aeruginosa. Substrate specificity of the Mex pumps has been shown to be determined by the cytoplasmic membrane component (MexB, MexD, MexF, and MexY) of th...

journal_title：Antimicrobial agents and chemotherapy

authors： Aires JR,Pechère JC,Van Delden C,Köhler T

更新日期：2002-07-01 00:00:00

abstract：:The in vitro susceptibility of 406 clinical isolates to BMY-28142, a new semisynthetic cephem, was evaluated and compared with cefpimizole, HR 810, ceftazidime, cefotaxime, moxalactam, and cefoperazone in a broth microdilution assay. On a weight basis, the activity of BMY-28142 against Escherichia coli, Proteus specie...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsuji A,Maniatis A,Bertram MA,Young LS

更新日期：1985-04-01 00:00:00

abstract：:(1,3)Beta-D-glucan synthase (EC 2.4.1.34. UDP-glucose: 1,3-beta-D-glucan 3-beta-glucosyltransferase) uses UDP-glucose as substrate and catalyzes the polymerization of glucose ([1,3]-beta-linkages) to form the major carbohydrate component of the fungal cell wall. We have optimized in vitro assay conditions for (1,3)bet...

journal_title：Antimicrobial agents and chemotherapy

authors： Maligie MA,Selitrennikoff CP

更新日期：2005-07-01 00:00:00

abstract：:Cyclic peptides with an even number of alternating d,l-alpha-amino acid residues are known to self-assemble into organic nanotubes. Such peptides previously have been shown to be stable upon protease treatment, membrane active, and bactericidal and to exert antimicrobial activity against Staphylococcus aureus and othe...

journal_title：Antimicrobial agents and chemotherapy

authors： Dartois V,Sanchez-Quesada J,Cabezas E,Chi E,Dubbelde C,Dunn C,Granja J,Gritzen C,Weinberger D,Ghadiri MR,Parr TR Jr

更新日期：2005-08-01 00:00:00

abstract：:Posaconazole and itraconazole were more potent inhibitors of ergosterol synthesis, in both intact cells and cell extracts from Absidia corymbifera and Rhizopus oryzae, than voriconazole and fluconazole. Similarly, expression of CYP51 from R. oryzae in Saccharomyces cerevisiae significantly increased resistance to fluc...

journal_title：Antimicrobial agents and chemotherapy

authors： Chau AS,Chen G,McNicholas PM,Mann PA

更新日期：2006-11-01 00:00:00

abstract：:TBR-652 is a novel CCR5 antagonist with potent in vitro anti-HIV activity. The objective of this study was to determine the pharmacokinetics (PK) and pharmacodynamics (PD) of TBR-652 in HIV-1-infected, antiretroviral treatment-experienced, CCR5 antagonist-naïve patients. A double-blind, placebo-controlled, randomized,...

journal_title：Antimicrobial agents and chemotherapy

authors： Marier JF,Trinh M,Pheng LH,Palleja SM,Martin DE

更新日期：2011-06-01 00:00:00

abstract：:Kill curves were determined for five isolates of Bacteroides fragilis with clindamycin at concentrations equal to the MIC or to 4, 16, and 64 times the MIC. Examination of plots of log CFU per milliliter versus time revealed no association between the clindamycin concentration and the rate and extent of the bactericid...

journal_title：Antimicrobial agents and chemotherapy

authors： Klepser ME,Banevicius MA,Quintiliani R,Nightingale CH

更新日期：1996-08-01 00:00:00

abstract：:The metallo-β-lactamase VIM-4, mainly found in Pseudomonas aeruginosa or Acinetobacter baumannii, was produced in Escherichia coli and characterized by biochemical and X-ray techniques. A detailed kinetic study performed in the presence of Zn²+ at concentrations ranging from 0.4 to 100 μM showed that VIM-4 exhibits a ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lassaux P,Traoré DA,Loisel E,Favier A,Docquier JD,Sohier JS,Laurent C,Bebrone C,Frère JM,Ferrer JL,Galleni M

更新日期：2011-03-01 00:00:00

abstract：:Ramoplanin is an actinomycetes-derived antibiotic with broad-spectrum activity against Gram-positive bacteria that has been evaluated in clinical trials for the treatment of gastrointestinal vancomycin-resistant enterococci (VRE) and Clostridium difficile infections. Recent studies have proposed that ramoplanin binds ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cheng M,Huang JX,Ramu S,Butler MS,Cooper MA

更新日期：2014-11-01 00:00:00

abstract：:The treatment of woodchuck hepatitis virus infections with 1-(2'-deoxy-2'-fluoro-beta-D-arabinofuranosyl)-5-iodocytosine (FIAC) and 1-(2'-deoxy-2'-fluoro-beta-D-arabinofuranosyl)-5-methyluracil (FMAU), given intraperitoneally, caused complete and permanent decrease of serum virus endogenous DNA polymerase and viral DN...

journal_title：Antimicrobial agents and chemotherapy

authors： Fourel I,Hantz O,Watanabe KA,Jacquet C,Chomel B,Fox JJ,Trepo C

更新日期：1990-03-01 00:00:00

abstract：:The effects of caspofungin combined with amphotericin B were investigated with Candida glabrata. Although in vitro experiments showed an indifferent interaction, the combination regimen was the only therapeutic approach yielding organ sterilization in a murine candidemia model. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Barchiesi F,Spreghini E,Fothergill AW,Arzeni D,Greganti G,Giannini D,Rinaldi MG,Scalise G

更新日期：2005-06-01 00:00:00

abstract：:Shiga toxin (Stx)-producing Escherichia coli (STEC) causes hemorrhagic colitis and hemolytic-uremic syndrome (HUS). The rates of STEC infection and complications, including death, are highest among young children and elderly individuals. There are no causal therapies. Because Stx is the primary pathological agent lead...

journal_title：Antimicrobial agents and chemotherapy

authors： Bitzan M,Poole R,Mehran M,Sicard E,Brockus C,Thuning-Roberson C,Rivière M

更新日期：2009-07-01 00:00:00