Dynamic interactions of biofilms of mucoid Pseudomonas aeruginosa with tobramycin and piperacillin.

abstract：:In the eubacterial cell, the peptidoglycan is perpetually hydrolyzed throughout the cell cycle by different enzymes such as lytic transglycosylases, endopeptidases, and amidases. In Escherichia coli, four N-acetylmuramoyl-l-alanine amidases, AmiA, -B, -C, and -D, are present in the periplasm. AmiA, -B, and -C are solu...

journal_title：Antimicrobial agents and chemotherapy

authors： Pennartz A,Généreux C,Parquet C,Mengin-Lecreulx D,Joris B

更新日期：2009-07-01 00:00:00

abstract：:Gentamicin is a commonly used antibiotic for the treatment of gram-negative-bacterial infections. Bacterial endotoxin is liberated during antibiotic therapy, and we have shown that endotoxemic animals accumulate more aminoglycosides in their renal parenchyma than normal animals. Vasoactive mediators, such as prostagla...

journal_title：Antimicrobial agents and chemotherapy

authors： Bergeron MG,Bergeron Y,Tardif M,Marchand S,Beauchamp D

更新日期：1989-08-01 00:00:00

abstract：:The antimicrobial efflux system encoded by the operon mef(E)-mel on the mobile genetic element MEGA in Streptococcus pneumoniae and other Gram-positive bacteria is inducible by macrolide antibiotics and antimicrobial peptides. Induction may affect the clinical response to the use of macrolides. We developed mef(E) rep...

journal_title：Antimicrobial agents and chemotherapy

authors： Chancey ST,Zhou X,Zähner D,Stephens DS

更新日期：2011-07-01 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：:N(2)-(3,4-Dichlorobenzyl)-7-(2-[1-morpholinyl]ethyl)guanine (MorE-DCBG, 362E) is a synthetic purine that selectively inhibits the replication-specific DNA polymerase of Clostridium difficile. MorE-DCBG and its analogs strongly inhibited the growth of a wide variety of C. difficile strains. When administered orally in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Dvoskin S,Xu WC,Brown NC,Yanachkov IB,Yanachkova M,Wright GE

更新日期：2012-03-01 00:00:00

abstract：UNLABELLED:Peramivir is an intravenous anti-influenza agent that inhibits viral growth by selectively inhibiting neuraminidase in human influenza A and B viruses. To characterize its pharmacokinetics, a population pharmacokinetic analysis of peramivir was performed using 3,199 plasma concentration data samples from 332...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsuo Y,Ishibashi T,Hollister AS,Wajima T

更新日期：2015-11-01 00:00:00

abstract：:The unbound drug hypothesis states that only unbound drug concentrations are active and available for clearance, and highly variable results regarding unbound vancomycin fractions have been reported in the literature. We have determined the unbound vancomycin fractions in four different patient groups by a liquid chro...

journal_title：Antimicrobial agents and chemotherapy

authors： Oyaert M,Spriet I,Allegaert K,Smits A,Vanstraelen K,Peersman N,Wauters J,Verhaegen J,Vermeersch P,Pauwels S

更新日期：2015-11-01 00:00:00

abstract：:Carbapenem-resistant Enterobacteriaceae (CRE) can be mechanistically classified into carbapenemase-producing Enterobacteriaceae (CPE) and non-carbapenemase-producing carbapenem nonsusceptible Enterobacteriaceae (NCPCRE). We sought to investigate the effect of antecedent carbapenem exposure as a risk factor for NCPCRE ...

journal_title：Antimicrobial agents and chemotherapy

authors： Marimuthu K,Ng OT,Cherng BPZ,Fong RKC,Pada SK,De PP,Ooi ST,Smitasin N,Thoon KC,Krishnan PU,Ang MLT,Chan DSG,Kwa ALH,Deepak RN,Chan YK,Chan YFZ,Huan X,Zaw Linn K,Tee NWS,Tan TY,Koh TH,Lin RTP,Hsu LY,Sengupta

更新日期：2019-09-23 00:00:00

abstract：:Treatment of HIV-infected patients coinfected with Mycobacterium tuberculosis is challenging due to drug-drug interactions (DDIs) between antiretrovirals (ARVs) and antituberculosis (anti-TB) drugs. The aim of this study was to quantify the effect of cobicistat (COBI) or ritonavir (RTV) in modulating DDIs between daru...

journal_title：Antimicrobial agents and chemotherapy

authors： Roberts O,Khoo S,Owen A,Siccardi M

更新日期：2017-04-24 00:00:00

abstract：:Foscarnet (phosphonoformic acid) is a pyrophosphate analog that inhibits the replication of human immunodeficiency virus type 1 (HIV-1) in vitro and in patients with AIDS. HIV-1 resistance to foscarnet has not been reported despite long-term foscarnet therapy of AIDS patients with cytomegalovirus disease. We therefore...

journal_title：Antimicrobial agents and chemotherapy

authors： Mellors JW,Bazmi HZ,Schinazi RF,Roy BM,Hsiou Y,Arnold E,Weir J,Mayers DL

更新日期：1995-05-01 00:00:00

abstract：:The need for novel antibacterial strategies and the awareness of the importance of quorum sensing (QS) in bacterial infections have stimulated research aimed at identifying QS inhibitors (QSIs). However, clinical application of QSIs identified so far is still distant, likely due to their unsuitability for use in human...

journal_title：Antimicrobial agents and chemotherapy

authors： Imperi F,Massai F,Ramachandran Pillai C,Longo F,Zennaro E,Rampioni G,Visca P,Leoni L

更新日期：2013-02-01 00:00:00

abstract：:Sulfide production has been proposed to be a universal defense mechanism against antibiotics in bacteria (K. Shatalin, E. Shatalina, A. Mironov, and E. Nudler, Science 334:986-990, 2011, doi:10.1126/science.1209855). To gain insight into the mechanism underlying sulfide protection, we systematically and comparatively ...

journal_title：Antimicrobial agents and chemotherapy

authors： Weikum J,Ritzmann N,Jelden N,Klöckner A,Herkersdorf S,Josten M,Sahl HG,Grein F

更新日期：2018-09-24 00:00:00

abstract：:In a hospital-based, prospective cohort study, the effects of the three standard treatment regimens for mild Clostridium difficile infection (CDI), oral (p.o.) metronidazole at 500 mg three times/day, intravenous (i.v.) metronidazole at 500 mg three times/day, and oral (p.o.) vancomycin at 250 mg four times/day, were ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wenisch JM,Schmid D,Kuo HW,Allerberger F,Michl V,Tesik P,Tucek G,Laferl H,Wenisch C

更新日期：2012-04-01 00:00:00

abstract：:Combination antiretroviral therapy has achieved dramatic reductions in the mortality and morbidity in people with HIV-1 infection. Darunavir (DRV) represents a most efficacious and well-tolerated protease inhibitor (PI) with a high genetic barrier to the emergence of drug-resistant HIV-1. However, highly DRV-resistant...

journal_title：Antimicrobial agents and chemotherapy

authors： Takamatsu Y,Aoki M,Bulut H,Das D,Amano M,Sheri VR,Kovari LC,Hayashi H,Delino NS,Ghosh AK,Mitsuya H

更新日期：2019-07-25 00:00:00

abstract：:A total of 621 clinical isolates of Haemophilus influenzae collected in Japan between 1995 and 2003 were studied for their susceptibilities to several antimicrobial agents, beta-lactamase production, and amino acid substitutions in penicillin-binding protein 3 (PBP 3). Over the four study periods (first period, 1995 t...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanbongi Y,Suzuki T,Osaki Y,Senju N,Ida T,Ubukata K

更新日期：2006-07-01 00:00:00

abstract：:Mutations in the rifampin resistance-determining (Rif) regions of the rpoB gene of Staphylococcus aureus mutants obtained during therapy or in vitro were analyzed by gene amplification and sequencing. Each of the resistant clinical isolates, including five nonrelated clones and two strains isolated from the same patie...

journal_title：Antimicrobial agents and chemotherapy

authors： Aubry-Damon H,Soussy CJ,Courvalin P

更新日期：1998-10-01 00:00:00

abstract：:Intraoperative biliary cefamandole concentrations were determined in 16 patients with hepatobiliary pathology. These included seven patients with cholelithiasis, five with acute cholecystitis, two with recurrent ascending cholangitis, and two with liver abscesses. Bile collected 0.5 to 2.5 h after the last antibiotic ...

journal_title：Antimicrobial agents and chemotherapy

authors： Uwaydah M,Kantarjian H,Osseiran M,Bal'a F

更新日期：1982-12-01 00:00:00

abstract：:Amoxicillin and ampicillin were compared at a dose of 250 mg twice daily for 4 weeks to treat Salmonella typhi or Salmonella paratyphi A chronic bacteriuria with intermittent bacteremia. Eleven patients received amoxicillin, and 15 received ampicillin. Concentrations of the two drugs were measured in the urine and ser...

journal_title：Antimicrobial agents and chemotherapy

authors： Bassily SB,Kilpatrick ME,Farid Z,Mikhail IA,El-Masry NA

更新日期：1981-11-01 00:00:00

abstract：:The effect of rifampin on cutaneous hypersensitivity was studied in 11 tuberculous patients. A suppressive effect was noted in eight patients, five of whom developed a negative response to the strength of purified protein derivative to which they had been shown to be previously sensitive. In one instance complete aner...

journal_title：Antimicrobial agents and chemotherapy

authors： Mukerjee P,Schuldt S,Kasik JE

更新日期：1973-12-01 00:00:00

abstract：:Azithromycin concentrations in the tonsils of 56 pediatric patients, treated with 10 or 20 mg of the drug per kg of body weight for 3 days, were compared. Azithromycin levels in plasma and tonsil samples were determined up to 8.5 days after the last dose. The 20-mg/kg regimen resulted in an improved tonsillar distribu...

journal_title：Antimicrobial agents and chemotherapy

authors： Blandizzi C,Malizia T,Batoni G,Ghelardi E,Baschiera F,Bruschini P,Senesi S,Campa M,Del Tacca M

更新日期：2002-05-01 00:00:00

abstract：:Prosthetic joint infections remain a major complication of arthroplasty. At present, local and international guidelines recommend cefazolin as a surgical antibiotic prophylaxis at the time of arthroplasty. This retrospective cohort study conducted across 10 hospitals over a 3-year period (January 2006 to December 2008...

journal_title：Antimicrobial agents and chemotherapy

authors： Peel TN,Cheng AC,Buising KL,Choong PF

更新日期：2012-05-01 00:00:00

abstract：:The responses of 20 ampicillin-susceptible Haemophilus influenzae type b clinical isolates to the bactericidal action of ampicillin were studied by using a modified agar dilution plate count method. A well-defined paradoxical effect was observed in each of the 24-h killing curve patterns for 19 of the 20 isolates, the...

journal_title：Antimicrobial agents and chemotherapy

authors： Woolfrey BF,Gresser-Burns ME,Lally RT

更新日期：1987-11-01 00:00:00

abstract：:Hepatitis C virus (HCV) inhibitors include direct-acting antivirals (DAAs) such as NS3 serine protease inhibitors, nucleoside and nonnucleoside polymerase inhibitors, and host-targeting antivirals (HTAs) such as cyclophilin inhibitors that have been developed in recent years. Drug-resistant HCV variants have been repo...

journal_title：Antimicrobial agents and chemotherapy

authors： Delang L,Vliegen I,Froeyen M,Neyts J

更新日期：2011-09-01 00:00:00

abstract：:High-performance liquid chromatography was used to determine the penetration of 19 antimicrobial agents into human polymorphonuclear leukocytes. The ratios of the intracellular concentration to the extracellular concentration of ampicillin, piperacillin, cefazolin, ceftizoxime, cefpimizole, and ceftazidime were all le...

journal_title：Antimicrobial agents and chemotherapy

authors： Koga H

更新日期：1987-12-01 00:00:00

abstract：:Potential alternatives, including linezolid, adjunctive rifampin, and moxifloxacin, were evaluated against vancomycin-tolerant (P9802-020) and vancomycin-susceptible clinical isolates of Streptococcus pneumoniae in an in vitro pharmacodynamic model. Vancomycin exhibited maximal killing of 2-log(10) CFU/ml against P980...

journal_title：Antimicrobial agents and chemotherapy

authors： Cha R,Rybak MJ

更新日期：2003-06-01 00:00:00

abstract：:Occidiofungin is produced by the soil bacterium Burkolderia contaminans MS14 and is structurally similar or identical to the burkholdines, xylocandins, and cepacidines. This study identified the primary cellular target of occidiofungin, which was determined to be actin. The modification of occidiofungin with a functio...

journal_title：Antimicrobial agents and chemotherapy

authors： Ravichandran A,Geng M,Hull KG,Li J,Romo D,Lu SE,Albee A,Nutter C,Gordon DM,Ghannoum MA,Lockless SW,Smith L

更新日期：2018-12-21 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：:The efficacy of clarithromycin in a murine model of acute toxoplasmosis was studied. Clarithromycin was administered alone and concurrently with minocycline, and efficacy was assessed by survival rates and sequential determination of parasite burden in blood, brains, and lungs. Limited protection resulted from adminis...

journal_title：Antimicrobial agents and chemotherapy

authors： Derouin F,Caroff B,Chau F,Prokocimer P,Pocidalo JJ

更新日期：1992-12-01 00:00:00

abstract：:The epidemiology of the two common erythromycin resistance methylase (erm) genes ermA and ermC was analyzed by Southern blotting in 428 erythromycin-resistant Staphylococcus aureus strains isolated from blood between 1959 and 1988 in Denmark. ermA and/or ermC was present in 98% of the erythromycin-resistant strains te...

journal_title：Antimicrobial agents and chemotherapy

authors： Westh H,Hougaard DM,Vuust J,Rosdahl VT

更新日期：1995-02-01 00:00:00

abstract：:Killing by beta-lactams is well known to be reduced against a dense bacterial population, commonly known as the inoculum effect. However, the underlying mechanism of this phenomenon is not well understood. We proposed a semi-mechanistic mathematical model to account for the reduced in vitro killing observed. Time-kill...

journal_title：Antimicrobial agents and chemotherapy

authors： Bhagunde P,Chang KT,Singh R,Singh V,Garey KW,Nikolaou M,Tam VH

更新日期：2010-11-01 00:00:00