Induction of efflux-mediated macrolide resistance in Streptococcus pneumoniae.

abstract：:This study explored metronidazole and hydroxymetronidazole distribution in the cerebrospinal fluid (CSF) of brain-injured patients. Four brain-injured patients with external ventricular drain received 500 mg of metronidazole over 0.5 h every 8 h. CSF and blood samples were collected at steady state over 8 h, and the m...

journal_title：Antimicrobial agents and chemotherapy

authors： Frasca D,Dahyot-Fizelier C,Adier C,Mimoz O,Debaene B,Couet W,Marchand S

更新日期：2014-01-01 00:00:00

abstract：:Staphylococcal biofilms are a major cause of therapeutic failure, especially when caused by multiresistant strains. Oral fusidic acid is currently being redeveloped in the United States for skin, skin structure, and orthopedic infections, in which biofilms play a major role. The aim of this study was to examine the ac...

journal_title：Antimicrobial agents and chemotherapy

authors： Siala W,Rodriguez-Villalobos H,Fernandes P,Tulkens PM,Van Bambeke F

更新日期：2018-06-26 00:00:00

abstract：:The postantibiotic subminimum inhibitory concentration effect (PA SME) may simulate in vivo drug exposure more accurately than the postantibiotic effect (PAE) since subinhibitory concentrations of drug persist between antibiotic dosings. In this study, we compared the PAEs and PA SMEs of levofloxacin and ciprofloxacin...

journal_title：Antimicrobial agents and chemotherapy

authors： Licata L,Smith CE,Goldschmidt RM,Barrett JF,Frosco M

更新日期：1997-05-01 00:00:00

abstract：:Mycobacterium tuberculosis infection is responsible for a global pandemic. New drugs are needed that do not show cross-resistance with the existing front-line therapeutics. A triazine antitubercular hit led to the design of a related pyrimidine family. The synthesis of a focused series of these analogs facilitated exp...

journal_title：Antimicrobial agents and chemotherapy

authors： Inoyama D,Paget SD,Russo R,Kandasamy S,Kumar P,Singleton E,Occi J,Tuckman M,Zimmerman MD,Ho HP,Perryman AL,Dartois V,Connell N,Freundlich JS

更新日期：2018-02-23 00:00:00

abstract：:5-episisomicin (Sch 22591) is a novel semisynthetic aminoglycoside with a spectrum and potency similar to gentamicin in its activity against susceptible bacterial strains, but with increased potency against Pseudomonas, Providencia, and Proteus rettgeri. It is also more active than tobramycin and amikacin against thes...

journal_title：Antimicrobial agents and chemotherapy

authors： Waitz JA,Miller GH,Moss E Jr,Chiu PJ

更新日期：1978-01-01 00:00:00

abstract：:Data comparing the treatment outcomes of the two most frequently recommended empirical antibiotic regimens for community-acquired pneumonia (CAP)--combination therapy with an extended-spectrum beta-lactam and a macrolide (BL+M) or fluoroquinolone (F) monotherapy--for patients with severe CAP are sparse. The purpose of...

journal_title：Antimicrobial agents and chemotherapy

authors： Lodise TP,Kwa A,Cosler L,Gupta R,Smith RP

更新日期：2007-11-01 00:00:00

abstract：:A colistin-resistant Escherichia coli strain was recovered from a patient with a diabetic foot infection in Brazil. Whole-genome analysis revealed that the E. coli isolate belonged to the widespread sequence type (ST) 101 and harbored the mcr-1 gene on an IncX4 plasmid that was highly similar to mcr-1-bearing IncX4 pl...

journal_title：Antimicrobial agents and chemotherapy

authors： Fernandes MR,McCulloch JA,Vianello MA,Moura Q,Pérez-Chaparro PJ,Esposito F,Sartori L,Dropa M,Matté MH,Lira DP,Mamizuka EM,Lincopan N

更新日期：2016-09-23 00:00:00

abstract：:Plasmodium falciparum, the deadliest species of malaria parasites, is dependent on glycolysis for the generation of ATP during the pathogenic red blood cell stage. Hexokinase (HK) catalyzes the first step in glycolysis, transferring the γ-phosphoryl group of ATP to glucose to yield glucose-6-phosphate. Here, we descri...

journal_title：Antimicrobial agents and chemotherapy

authors： Davis MI,Patrick SL,Blanding WM,Dwivedi V,Suryadi J,Golden JE,Coussens NP,Lee OW,Shen M,Boxer MB,Hall MD,Sharlow ER,Drew ME,Morris JC

更新日期：2016-09-23 00:00:00

abstract：:Development of anthrax countermeasures that may be used concomitantly in a postexposure setting requires an understanding of the interaction between these products. Anthrax immune globulin intravenous (AIGIV) is a candidate immunotherapeutic that contains neutralizing antibodies against protective antigen (PA), a comp...

journal_title：Antimicrobial agents and chemotherapy

authors： Malkevich NV,Basu S,Rudge TL Jr,Clement KH,Chakrabarti AC,Aimes RT,Nabors GS,Skiadopoulos MH,Ionin B

更新日期：2013-11-01 00:00:00

abstract：:Rates of metallo-beta-lactamase and 16S rRNA methylase production were investigated in 51 imipenem-resistant Pseudomonas aeruginosa clinical isolates collected from hospitals in São Paulo, Brazil. Of them, 57% and 75% produced SPM-1 and RmtD, respectively. Of note, 51% produced both enzymes, suggesting that their copr...

journal_title：Antimicrobial agents and chemotherapy

authors： Doi Y,Ghilardi AC,Adams J,de Oliveira Garcia D,Paterson DL

更新日期：2007-09-01 00:00:00

abstract：:Antimicrobial susceptibility patterns of 112 clinical isolates, 28 type strains, and 9 reference strains of Nocardia were determined using the Sensititre Rapmyco microdilution panel (Thermo Fisher, Inc.). Isolates were identified by highly discriminatory multilocus sequence analysis and were chosen to represent the di...

journal_title：Antimicrobial agents and chemotherapy

authors： McTaggart LR,Doucet J,Witkowska M,Richardson SE

更新日期：2015-01-01 00:00:00

abstract：:The aims of this study were to describe the blood plasma (BP) and seminal plasma (SP) pharmacokinetics of tenofovir (TFV) in HIV-1-infected men, to assess the role of genetic polymorphism in the variability of TFV transfer into the male genital tract, and to evaluate the impact of TFV SP exposure on seminal plasma HIV...

journal_title：Antimicrobial agents and chemotherapy

authors： Valade E,Bouazza N,Lui G,Illamola SM,Benaboud S,Treluyer JM,Cobat A,Foissac F,De Sousa Mendes M,Chenevier-Gobeaux C,Suzan-Monti M,Rouzioux C,Assoumou L,Viard JP,Urien S,Ghosn J,Hirt D

更新日期：2017-02-23 00:00:00

abstract：:Cephradine, a semisynthetic cephalosporin, has widespread use. There is, however, a paucity of data on the transfer of this antibiotic in pregnancy. Studies were undertaken after an intravenous dose of 2 g of cephradine was given in two elective situations: (i) therapeutic abortion in the first trimester and (ii) elec...

journal_title：Antimicrobial agents and chemotherapy

authors： Craft I,Forster TC

更新日期：1978-12-01 00:00:00

abstract：:With the growing global threat of antimicrobial resistance, novel strategies are required for combatting resistant pathogens. Combination therapy, in which multiple drugs are used to treat an infection, has proven highly successful in the treatment of cancer and HIV. However, this practice has proven challenging for t...

journal_title：Antimicrobial agents and chemotherapy

authors： Adamowicz EM,Harcombe WR

更新日期：2020-10-20 00:00:00

abstract：:Two morphotypes of Hafnia alvei differed in their susceptibilities to beta-lactam antibiotics. Both produced an inducible Bush group 1 beta-lactamase. Hyperinducibility of this enzyme was associated with reduced susceptibility in one morphotype. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Thomson KS,Sanders CC,Washington JA 2nd

更新日期：1993-06-01 00:00:00

abstract：:Whole-genome sequences for Stenotrophomonas maltophilia serial isolates from a bacteremic patient before and after development of levofloxacin resistance were assembled de novo and differed by one single-nucleotide variant in smeT, a repressor for multidrug efflux operon smeDEF. Along with sequenced isolates from five...

journal_title：Antimicrobial agents and chemotherapy

authors： Pak TR,Altman DR,Attie O,Sebra R,Hamula CL,Lewis M,Deikus G,Newman LC,Fang G,Hand J,Patel G,Wallach F,Schadt EE,Huprikar S,van Bakel H,Kasarskis A,Bashir A

更新日期：2015-11-01 00:00:00

abstract：:Depending on the spacing of their positive charges, ionenes, a class of quaternary ammonium polymers, increased the interferon-inducing activity of poly(inosinic acid).poly(cytidylic acid) in mouse L-929 cells, whereas they did not enhance poly(inosinic acid).poly(cytidylic acid) induced interferon production in prima...

journal_title：Antimicrobial agents and chemotherapy

authors： Clercq ED,Janik B,Sommer RG

更新日期：1977-04-01 00:00:00

abstract：:Mefloquine is widely used in combination with artemisinin derivatives for the treatment of falciparum malaria. Mefloquine resistance in Plasmodium falciparum has been related to increased copy numbers of multidrug-resistant gene 1 (pfmdr1). We studied the ex vivo dynamics of pfmdr1 gene amplification in culture-adapte...

journal_title：Antimicrobial agents and chemotherapy

authors： Preechapornkul P,Imwong M,Chotivanich K,Pongtavornpinyo W,Dondorp AM,Day NP,White NJ,Pukrittayakamee S

更新日期：2009-04-01 00:00:00

abstract：:Coadministration of nevirapine-based antiretroviral therapy (ART) and artemether-lumefantrine is reported to result in variable changes in lumefantrine exposure. We conducted an intensive pharmacokinetic study with 11 HIV-infected adults who were receiving artemether-lumefantrine plus nevirapine-based ART, and we comp...

journal_title：Antimicrobial agents and chemotherapy

authors： Parikh S,Fehintola F,Huang L,Olson A,Adedeji WA,Darin KM,Morse GD,Murphy RL,Taiwo BO,Akinyinka OO,Adewole IF,Aweeka FT,Scarsi KK

更新日期：2015-12-01 00:00:00

abstract：:We have previously shown that genetic disruption of Toxoplasma gondii calcium-dependent protein kinase 3 (TgCDPK3) affects calcium ionophore-induced egress. We examined whether Plasmodium falciparum CDPK1 (PfCDPK1), the closest homolog of TgCDPK3 in the malaria parasite P. falciparum, could complement a TgCDPK3 mutant...

journal_title：Antimicrobial agents and chemotherapy

authors： Gaji RY,Checkley L,Reese ML,Ferdig MT,Arrizabalaga G

更新日期：2014-05-01 00:00:00

abstract：:Enterococcus faecium has emerged as a major opportunistic pathogen for 2 decades with the spread of hospital-adapted multidrug-resistant clones. As members of the intestinal microbiota, they are subjected to numerous bacterial stresses, including antibiotics at subinhibitory concentrations (SICs). Since fluoroquinolon...

journal_title：Antimicrobial agents and chemotherapy

authors： Sinel C,Cacaci M,Meignen P,Guérin F,Davies BW,Sanguinetti M,Giard JC,Cattoir V

更新日期：2017-04-24 00:00:00

abstract：:The intrapulmonary pharmacokinetics of azithromycin, clarithromycin, ciprofloxacin, and cefuroxime were studied in 68 volunteers who received single, oral doses of azithromycin (0.5 g), clarithormycin (0.5 g), ciprofloxacin (0.5 g), or cefuroxime (0.5 g). In subgroups of four subjects each, the subjects underwent bron...

journal_title：Antimicrobial agents and chemotherapy

authors： Conte JE Jr,Golden J,Duncan S,McKenna E,Lin E,Zurlinden E

更新日期：1996-07-01 00:00:00

abstract：:An association exists between respiratory viruses and bacterial infections. Prevention or treatment of the preceding viral infection is a logical goal for reducing this important cause of morbidity and mortality. The ability of the novel, selective parainfluenza virus hemagglutinin-neuraminidase inhibitor BCX 2798 to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Alymova IV,Portner A,Takimoto T,Boyd KL,Babu YS,McCullers JA

更新日期：2005-01-01 00:00:00

abstract：:Ledipasvir (LDV; GS-5885), a component of Harvoni (a fixed-dose combination of LDV with sofosbuvir [SOF]), is approved to treat chronic hepatitis C virus (HCV) infection. Here, we report key preclinical antiviral properties of LDV, including in vitro potency, in vitro resistance profile, and activity in combination wi...

journal_title：Antimicrobial agents and chemotherapy

authors： Cheng G,Tian Y,Doehle B,Peng B,Corsa A,Lee YJ,Gong R,Yu M,Han B,Xu S,Dvory-Sobol H,Perron M,Xu Y,Mo H,Pagratis N,Link JO,Delaney W

更新日期：2016-01-11 00:00:00

abstract：:Strains of Aspergillus fumigatus, Aspergillus flavus, and Aspergillus niger were tested for in vitro susceptibility to amphotericin B alone and in combination with fixed concentrations of tetracycline, doxycycline, or minocycline, using buffered minimal essential medium in microtiter plates. Enhanced inhibitory activi...

journal_title：Antimicrobial agents and chemotherapy

authors： Hughes CE,Harris C,Peterson LR,Gerding DN

更新日期：1984-12-01 00:00:00

abstract：:The aim of this study was to explore bactericidal activity of total and free serum simulated concentrations after the oral administration of cefditoren (400 mg, twice daily [bid]) versus the oral administration of amoxicillin-clavulanic acid extended release formulation (2,000/125 mg bid) against Haemophilus influenza...

journal_title：Antimicrobial agents and chemotherapy

authors： Torrico M,Aguilar L,González N,Giménez MJ,Echeverría O,Cafini F,Sevillano D,Alou L,Coronel P,Prieto J

更新日期：2007-10-01 00:00:00

abstract：:The management of long-term central venous catheter (LTCVC) infections by multidrug-resistant (MDR) bacteria in cancer patient is a challenge. The objectives of this study were to analyze outcomes in cancer patients with LTCVC-associated infection, identify risks for unfavorable outcomes, and determine the impact of M...

journal_title：Antimicrobial agents and chemotherapy

authors： Freire MP,Pierrotti LC,Zerati AE,Benites L,da Motta-Leal Filho JM,Ibrahim KY,Araujo PH,Abdala E

更新日期：2018-08-27 00:00:00

abstract：:A cytochrome P-450-deficient mutant of Candida albicans, strain D10, was employed to study the mode of action of imidazole antifungal agents. This mutant accumulates exclusively 14-alpha-methylsterols, resulting in a sterol profile which mimics that of azole-treated wild-type strains. Since the widely accepted primary...

journal_title：Antimicrobial agents and chemotherapy

authors： Lees ND,Broughton MC,Sanglard D,Bard M

更新日期：1990-05-01 00:00:00

abstract：:The use of gentamicin to control contamination in a tissue culture system for the isolation of Chlamydia was investigated. Gentamicin, at concentrations up to 100 mug/ml, did not appear to inhibit the growth of stock chlamydial strains, as judged by assays for iodine-staining inclusions. When 343 cervical and urethral...

journal_title：Antimicrobial agents and chemotherapy

authors： Wentworth BB

更新日期：1973-06-01 00:00:00

abstract：:A structurally diverse library of 93 lipophilic di- and tricyclic diaminopyrimidine derivatives was tested for the ability to inhibit recombinant dihydrofolate reductase (DHFR) cloned from human and bovine isolates of Cryptosporidium parvum (J. R. Vásquez et al., Mol. Biochem. Parasitol. 79:153-165, 1996). In parallel...

journal_title：Antimicrobial agents and chemotherapy

authors： Nelson RG,Rosowsky A

更新日期：2001-12-01 00:00:00