Site-specific mutagenesis analysis of PBP 1A from a penicillin-cephalosporin-resistant pneumococcal isolate.

abstract：:Platelet-activating factor (PAF) is a potent endogenous proinflammatory mediator implicated in the pathogenesis of septic shock. A double-blind randomized placebo-controlled trial of an intravenous PAF receptor antagonist (lexipafant) was conducted with 131 adult Thai patients with suspected severe sepsis (66 of whom ...

journal_title：Antimicrobial agents and chemotherapy

authors： Suputtamongkol Y,Intaranongpai S,Smith MD,Angus B,Chaowagul W,Permpikul C,Simpson JA,Leelarasamee A,Curtis L,White NJ

更新日期：2000-03-01 00:00:00

abstract：:The "HACEK" organisms are a group of fastidious Gram-negative bacteria that cause a variety of infections, including infective endocarditis. Antimicrobial susceptibility testing is not universally available, and therapy for these infections is often empirical. We report the antimicrobial susceptibilities of 70 clinica...

journal_title：Antimicrobial agents and chemotherapy

authors： Coburn B,Toye B,Rawte P,Jamieson FB,Farrell DJ,Patel SN

更新日期：2013-04-01 00:00:00

abstract：:Ex vivo assay systems provide a powerful approach to studying human malaria parasite biology and to testing antimalarials. For rodent malaria parasites, short-term in vitro culture and ex vivo antimalarial susceptibility assays are relatively cumbersome, relying on in vivo passage for synchronization, since ring-stage...

journal_title：Antimicrobial agents and chemotherapy

authors： Chang ZW,Malleret B,Russell B,Rénia L,Claser C

更新日期：2016-10-21 00:00:00

abstract：:Carbapenemases are among the newest resistance mechanisms to emerge in some gram-negative bacteria. We describe bacteremia in a critically ill liver transplant recipient infected with KPC-2-producing Enterobacter cloacae and Pseudomonas putida. Although this enzyme has been previously described in Enterobacter spp., t...

journal_title：Antimicrobial agents and chemotherapy

authors： Bennett JW,Herrera ML,Lewis JS 2nd,Wickes BW,Jorgensen JH

更新日期：2009-01-01 00:00:00

abstract：:The effect of 19 antimicrobial agents on human polymorphonuclear leukocyte function was evaluated by chemiluminescence assays, yeast phagocytosis and killing, and lactate dehydrogenase release. Tetracycline and trimethoprim inhibited chemiluminescence and reduced killing at therapeutic concentrations of 2 microgram/ml...

journal_title：Antimicrobial agents and chemotherapy

authors： Welch WD,Davis D,Thrupp LD

更新日期：1981-07-01 00:00:00

abstract：:An extracellular inhibitory substance produced by the marine Alteromonas strain P-31 (NCMB 2144) was isolated and purified. The inhibitor was a macromolecule with a molecular weight of 90,000 estimated by Sephadex G-100 chromatography and sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The inhibitory activi...

journal_title：Antimicrobial agents and chemotherapy

authors： Barja JL,Lemos ML,Toranzo AE

更新日期：1989-10-01 00:00:00

abstract：:A penicillin beta-lactamase (PCase) was extracted from Pseudomonas aeruginosa Rms139(+) and purified by means of column chromatography. The isoelectric point of Rms139 PCase was 5.7 and its molecular weight was 22,500 +/- 1,000. The optimal pH for the hydrolysis of benzylpenicillin was 7.0 to 7.5 and the optimal tempe...

journal_title：Antimicrobial agents and chemotherapy

authors： Sawada Y,Yaginuma S,Tai M,Iyobe S,Mitsuhashi S

更新日期：1976-01-01 00:00:00

abstract：:We analyzed the relationship between rifampin MICs and rpoB mutations of 40 clinical isolates of Mycobacterium tuberculosis. A point mutation in either codon 516, 526, or 531 was found in 13 strains requiring MICs of > or = 64 micrograms/ml, while 21 strains requiring MICs of < or = 1 microgram/ml showed no alteration...

journal_title：Antimicrobial agents and chemotherapy

authors： Ohno H,Koga H,Kohno S,Tashiro T,Hara K

更新日期：1996-04-01 00:00:00

abstract：:Antiviral drugs do not currently exist for the treatment of enterovirus infections, which are often severe and potentially life-threatening. We conducted high-throughput molecular screening and identified a structurally diverse set of compounds that inhibit the replication of coxsackievirus B3, a commonly encountered ...

journal_title：Antimicrobial agents and chemotherapy

authors： Zuo J,Kye S,Quinn KK,Cooper P,Damoiseaux R,Krogstad P

更新日期：2015-12-28 00:00:00

abstract：:Composite data describing ocular pharmacokinetics are unreliable because of intersubject variation. To address this problem, an animal model was developed in which multiple aqueous samples from single subjects were obtained. Following direct anterior chamber or intravenous administration of amikacin or chloramphenicol...

journal_title：Antimicrobial agents and chemotherapy

authors： Mayers M,Rush D,Madu A,Motyl M,Miller MH

更新日期：1991-09-01 00:00:00

abstract：:Nonreplicating bacteria are known to be (or at least commonly thought to be) refractory to antibiotics to which they are genetically susceptible. Here, we explore the sensitivity to killing by bactericidal antibiotics of three classes of nonreplicating populations of planktonic bacteria: (i) stationary phase, when the...

journal_title：Antimicrobial agents and chemotherapy

authors： McCall IC,Shah N,Govindan A,Baquero F,Levin BR

更新日期：2019-06-24 00:00:00

abstract：:Methylene blue (MB) represents a promising antimalarial drug candidate for combination therapies against drug-resistant parasite strains. To support and facilitate the application of MB in future field trials, we studied its antiparasitic effects in vitro. MB is active against all blood stages of both chloroquine (CQ)...

journal_title：Antimicrobial agents and chemotherapy

authors： Akoachere M,Buchholz K,Fischer E,Burhenne J,Haefeli WE,Schirmer RH,Becker K

更新日期：2005-11-01 00:00:00

abstract：:Parasitic diseases are of enormous public health significance in developing countries-a situation compounded by the toxicity of and resistance to many current chemotherapeutics. We investigated a focused library of 18 structurally diverse bis-acridine compounds for in vitro bioactivity against seven protozoan and one ...

journal_title：Antimicrobial agents and chemotherapy

authors： Caffrey CR,Steverding D,Swenerton RK,Kelly B,Walshe D,Debnath A,Zhou YM,Doyle PS,Fafarman AT,Zorn JA,Land KM,Beauchene J,Schreiber K,Moll H,Ponte-Sucre A,Schirmeister T,Saravanamuthu A,Fairlamb AH,Cohen FE,McKerrow

更新日期：2007-06-01 00:00:00

abstract：:The disposition of caspofungin, a parenteral antifungal drug, was investigated. Following a single, 1-h, intravenous infusion of 70 mg (200 microCi) of [(3)H]caspofungin to healthy men, plasma, urine, and feces were collected over 27 days in study A (n = 6) and plasma was collected over 26 weeks in study B (n = 7). Su...

journal_title：Antimicrobial agents and chemotherapy

authors： Stone JA,Xu X,Winchell GA,Deutsch PJ,Pearson PG,Migoya EM,Mistry GC,Xi L,Miller A,Sandhu P,Singh R,deLuna F,Dilzer SC,Lasseter KC

更新日期：2004-03-01 00:00:00

abstract：:Macrolide antibiotics are used as anti-inflammatory agents, e.g., for prevention of exacerbations in chronic obstructive pulmonary disease and cystic fibrosis. Several studies have shown improved outcomes after the addition of macrolides to β-lactam antibiotics for treatment of severe community-acquired pneumonia. How...

journal_title：Antimicrobial agents and chemotherapy

authors： Kasetty G,Bhongir RKV,Papareddy P,Herwald H,Egesten A

更新日期：2017-08-24 00:00:00

abstract：:Viral infections are among the main causes of death worldwide, and we lack antivirals for the majority of viruses. Heparin-like sulfated or sulfonated compounds have been known for decades for their ability to prevent infection by heparan sulfate proteoglycan (HSPG)-dependent viruses but only in a reversible way. We h...

journal_title：Antimicrobial agents and chemotherapy

authors： Cagno V,Gasbarri M,Medaglia C,Gomes D,Clement S,Stellacci F,Tapparel C

更新日期：2020-11-17 00:00:00

abstract：:Resistance to antifungal drugs, specifically azoles such as fluconazole, in the opportunistic yeast Candida albicans has become an increasing problem in human immunodeficiency virus (HIV)-infected individuals. The molecular mechanisms responsible for this resistance have only recently become apparent and can include a...

journal_title：Antimicrobial agents and chemotherapy

authors： White TC

更新日期：1997-07-01 00:00:00

abstract：:Retrocyclins are humanized versions of the -defensin peptides expressed by the leukocytes of several nonhuman primates. Previous studies, performed in serum-free media, determined that retrocyclins 1 (RC1) and RC2 could prevent successful germination of Bacillus anthracis spores, kill vegetative B. anthracis cells, an...

journal_title：Antimicrobial agents and chemotherapy

authors： Welkos S,Cote CK,Hahn U,Shastak O,Jedermann J,Bozue J,Jung G,Ruchala P,Pratikhya P,Tang T,Lehrer RI,Beyer W

更新日期：2011-09-01 00:00:00

abstract：:Although acetylsalicylic acid does not itself induce interferon, acetylsalicylic acid was found to significantly enhance the production of both human alpha interferon and human gamma interferon when added with the appropriate inducers to cultures of human peripheral blood mononuclear cells. The mechanisms associated w...

journal_title：Antimicrobial agents and chemotherapy

authors： Yousefi S,Chiu J,Carandang G,Archibeque EG,Vaziri N,Cesario TC

更新日期：1987-01-01 00:00:00

abstract：:Francisella tularensis, a bacterium which causes tularemia in humans, is classified as a CDC category A bioterrorism agent. In this study, we demonstrate that celecoxib, an anti-inflammatory cyclooxygenase-2 inhibitor in clinical use, exhibits activity against a type A strain of F. tularensis (Schu S4), the live vacci...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiu HC,Yang J,Soni S,Kulp SK,Gunn JS,Schlesinger LS,Chen CS

更新日期：2009-07-01 00:00:00

abstract：:Four isogenic derivatives with stably increased glycopeptide MICs (all become resistant to teicoplanin) were obtained from four glycopeptide-susceptible clinical isolates of Staphylococcus haemolyticus. All strains were extensively analyzed and compared for a number of distinctive features. In particular, the results ...

journal_title：Antimicrobial agents and chemotherapy

authors： Vignaroli C,Biavasco F,Varaldo PE

更新日期：2006-07-01 00:00:00

abstract：:LYS228 is a novel monobactam with potent activity against Enterobacteriaceae LYS228 is stable to metallo-β-lactamases (MBLs) and serine carbapenemases, including Klebsiella pneumoniae carbapenemases (KPCs), resulting in potency against the majority of extended-spectrum β-lactamase (ESBL)-producing and carbapenem-resis...

journal_title：Antimicrobial agents and chemotherapy

authors： Blais J,Lopez S,Li C,Ruzin A,Ranjitkar S,Dean CR,Leeds JA,Casarez A,Simmons RL,Reck F

更新日期：2018-09-24 00:00:00

abstract：:Ceftobiprole (formerly BAL9141), the active component of the prodrug BAL5788 (ceftobiprole medocaril), is a novel cephalosporin with expanded activity against gram-positive bacteria. Among 152 Staphylococcus aureus isolates, including 5 vancomycin-intermediate and 2 vancomycin-resistant strains, MIC(50) and MIC(90) va...

journal_title：Antimicrobial agents and chemotherapy

authors： Bogdanovich T,Ednie LM,Shapiro S,Appelbaum PC

更新日期：2005-10-01 00:00:00

abstract：:No studies have investigated whether discontinuation of ethambutol (EMB) based on the susceptibility to isoniazid and rifampin as determined by the GenoType MTBDRplus assay would be appropriate. We aimed to determine the feasibility of discontinuing EMB before the end of intensive phase treatment based on the result o...

journal_title：Antimicrobial agents and chemotherapy

authors： Jo KW,Kim M,Kim YJ,Lee HK,Kim HK,Jeon D,Lyu J,Park HK,Mok J,Kim JS,Heo EY,Choi SB,Yim JJ,Shim TS

更新日期：2019-09-16 00:00:00

abstract：:The ultrastructural alterations induced in vitro by ICI 195,739, a recently developed bis-triazole derivative with potent antiproliferative effects on Trypanosoma (Schizotrypanum) cruzi, are reported. On epimastigotes, the triazole at its minimum growth-inhibitory concentration (0.1 microM) produced immediately (withi...

journal_title：Antimicrobial agents and chemotherapy

authors： Lazardi K,Urbina JA,de Souza W

更新日期：1991-04-01 00:00:00

abstract：:The rate of nonsusceptibility of penicillin-resistant Streptococcus pneumoniae strains to ceftriaxone increased significantly in Taiwan in 2005. Approximately 90% of the ceftriaxone-nonsusceptible isolates were found to be of four major serotypes (serotypes 6B, 14, 19F, and 23F). Seven amino acid alterations in the pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiu CH,Su LH,Huang YC,Lai JC,Chen HL,Wu TL,Lin TY

更新日期：2007-09-01 00:00:00

abstract：:Gatifloxacin pneumococcal, staphylococcal and enterococcal postantibiotic effects (PAEs) were 0.5 to 4.0 h, respectively. For Escherichia coli and Pseudomonas aeruginosa, PAEs were 2.2 to 4.8 h. Pneumococcal, staphylococcal, and enterococcal postantibiotic sub-MIC effects (PA-SMEs) (four times the MICs) were 3.7 to 8....

journal_title：Antimicrobial agents and chemotherapy

authors： Pankuch GA,Jacobs MR,Appelbaum PC

更新日期：1999-10-01 00:00:00

abstract：:For treatment of mild to moderate Clostridium difficile-associated disease (CDAD), oral metronidazole has been recommended as the preferred agent, in part due to concern that vancomycin may be more likely to promote colonization by vancomycin-resistant enterococci (VRE). We performed a prospective observational study ...

journal_title：Antimicrobial agents and chemotherapy

authors： Al-Nassir WN,Sethi AK,Li Y,Pultz MJ,Riggs MM,Donskey CJ

更新日期：2008-07-01 00:00:00

abstract：:Imipenem-cilastatin concentrations in bile were measured in 12 cholecystectomy patients (group 1) and 12 patients with common duct drainage (group 2). Six patients in each group received 0.5 g, and six received 1.0 g intravenously over 30 to 60 min. In group 1, bile was collected a mean of 85 min postinfusion. The mea...

journal_title：Antimicrobial agents and chemotherapy

authors： Graziani AL,Gibson GA,MacGregor RR

更新日期：1987-11-01 00:00:00

abstract：:Win 41258-3 (4-[6-(2-chloro-4-methoxyphenoxy)hexyl]-3,5-diethyl-1H-pyrazole methane sulfonate) has in vitro and in vivo activity against herpes simplex virus types 1 and 2. In cell culture, a concentration of 2 microgram/ml produced a greater than 50% inhibition of plaque formation of herpes simplex virus type 2, and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pancic F,Steinberg BA,Diana GD,Carabateas PM,Gorman WG,Came PE

更新日期：1981-03-01 00:00:00