In vitro activities of quinupristin-dalfopristin and cefepime, alone and in combination with various antimicrobials, against multidrug-resistant staphylococci and enterococci in an in vitro pharmacodynamic model.

abstract：:The efficacy of a 5-day treatment with coumermycin A1 (hereafter referred to as coumermycin) (at three dosage regimens), with ciprofloxacin, or with coumermycin plus ciprofloxacin was tested in experimental aortic valve endocarditis induced in rats by a strain of methicillin-susceptible Staphylococcus aureus and was c...

journal_title：Antimicrobial agents and chemotherapy

authors： Perronne CM,Malinverni R,Glauser MP

更新日期：1987-04-01 00:00:00

abstract：:Ampicillin resistance in Enterococcus faecium is a serious concern worldwide, complicating the treatment of E. faecium infections. Penicillin-binding protein 5 (PBP5) is considered the main ampicillin resistance determinant in E. faecium The three known E. faecium clades showed sequence variations in the pbp5 gene tha...

journal_title：Antimicrobial agents and chemotherapy

authors： Montealegre MC,Roh JH,Rae M,Davlieva MG,Singh KV,Shamoo Y,Murray BE

更新日期：2016-12-27 00:00:00

abstract：:Protozoan parasites of the Leishmania donovani complex are the causative agents of visceral leishmaniasis (VL), the most severe form of leishmaniasis, with high rates of mortality if left untreated. Leishmania parasites are transmitted to humans through the bite of infected female sandflies (Diptera: Phlebotominae), a...

journal_title：Antimicrobial agents and chemotherapy

authors： Vacchina P,Norris-Mullins B,Abengózar MA,Viamontes CG,Sarro J,Stephens MT,Pfrender ME,Rivas L,Morales MA

更新日期：2016-06-20 00:00:00

abstract：:Racemic 2'-deoxy-3'-thiacytidine (BCH 189) is a dideoxycytidine analog having a sulfur atom in place of the 3' carbon. The enantiomers of BCH 189 have been resolved and found to be equipotent in antiviral activity against human immunodeficiency virus types 1 and 2. However, the (-)-enantiomer (3TC) is considerably les...

journal_title：Antimicrobial agents and chemotherapy

authors： Coates JA,Cammack N,Jenkinson HJ,Mutton IM,Pearson BA,Storer R,Cameron JM,Penn CR

更新日期：1992-01-01 00:00:00

abstract：:The 47-kbp plasmid pGFT1 from Salmonella enterica subsp. enterica serovar Dublin mediated tetracycline resistance via a tet(A) gene located on an integrated copy of a Tn1721-analogous transposon. The integration site of the transposon was located within the reading frame of a fip gene. Plasmid pGFT1 was shown to be co...

journal_title：Antimicrobial agents and chemotherapy

authors： Frech G,Schwarz S

更新日期：1998-05-01 00:00:00

abstract：:Ritonavir-boosted darunavir with efavirenz may be considered a nucleoside-sparing regimen for treatment-naïve HIV-infected patients. However, the pharmacokinetics of this combination administered once daily have not been studied. We conducted a three-period interaction study with healthy volunteers. The subjects were ...

journal_title：Antimicrobial agents and chemotherapy

authors： Soon GH,Shen P,Yong EL,Pham P,Flexner C,Lee L

更新日期：2010-07-01 00:00:00

abstract：:Detailed analysis of the endogenous sterol content of purified Pneumocystis carinii preparations by gas-liquid chromatography coupled to mass spectrometry suggested that this parasite can both synthesize de novo steroid skeletons (to produce delta7 sterols) and take them from the infected host (leading to delta5 stero...

journal_title：Antimicrobial agents and chemotherapy

authors： Urbina JA,Visbal G,Contreras LM,McLaughlin G,Docampo R

更新日期：1997-07-01 00:00:00

abstract：:Blastocystis is an enteric parasite with extensive global prevalence. Studies have linked infection with this protist with a variety of gastrointestinal disorders, including irritable bowel syndrome. Due to the polymorphic nature of Blastocystis, studies on the parasite could be complicated, as results can be easily m...

journal_title：Antimicrobial agents and chemotherapy

authors： Yason JA,Koh KARP,Tan KSW

更新日期：2018-07-27 00:00:00

abstract：:The tuberculosis (TB) drug discovery pipeline is fueled by compounds identified in whole-cell screens against the causative agent, Mycobacterium tuberculosis Phenotypic screening enables the selection of molecules that inhibit essential cellular functions in live, intact bacilli grown under a chosen in vitro condition...

journal_title：Antimicrobial agents and chemotherapy

authors： Naran K,Moosa A,Barry CE 3rd,Boshoff HI,Mizrahi V,Warner DF

更新日期：2016-10-21 00:00:00

abstract：:GSK1322322 is a novel inhibitor of peptide deformylase (PDF) with good in vitro activity against bacteria associated with community-acquired pneumonia and skin infections. We have characterized the in vivo pharmacodynamics (PD) of GSK1322322 in immunocompetent animal models of infection with Streptococcus pneumoniae a...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoover J,Lewandowski T,Straub RJ,Novick SJ,DeMarsh P,Aubart K,Rittenhouse S,Zalacain M

更新日期：2015-10-19 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：:Eighty adults in areas of Kenya where malaria is holoendemic received presumptive treatment with atovaquone-proguanil and were followed closely. The time to the first Plasmodium falciparum parasitemia was 32 days. This prolonged prophylaxis period has implications for study design when used in malaria intervention tri...

journal_title：Antimicrobial agents and chemotherapy

authors： Polhemus ME,Remich S,Ogutu B,Waitumbi J,Lievens M,Ballou WR,Heppner DG Jr

更新日期：2008-04-01 00:00:00

abstract：:This study evaluated the pulmonary disposition of eravacycline in 20 healthy adult volunteers receiving 1.0 mg of eravacycline/kg intravenously every 12 h for a total of seven doses over 4 days. Plasma samples were collected at 0, 1, 2, 4, 6, and 12 h on day 4, with each subject randomized to undergo a single bronchoa...

journal_title：Antimicrobial agents and chemotherapy

authors： Connors KP,Housman ST,Pope JS,Russomanno J,Salerno E,Shore E,Redican S,Nicolau DP

更新日期：2014-01-01 00:00:00

abstract：:In vitro activities of erythromycin A, telithromycin, and two investigational ketolides, JNJ-17155437 and JNJ-17155528, were evaluated against clinical bacterial strains, including selected common respiratory tract pathogens. Against 46 macrolide-susceptible and -resistant Streptococcus pneumoniae strains, the MIC(90)...

journal_title：Antimicrobial agents and chemotherapy

authors： Abbanat D,Webb G,Foleno B,Li Y,Macielag M,Montenegro D,Wira E,Bush K

更新日期：2005-01-01 00:00:00

abstract：:A novel and highly accurate diagnostic assay platform was established for rapid identification of FKS mutations associated with echinocandin resistance in Candida glabrata The assay platform uses allele-specific molecular beacon and DNA melt analysis following asymmetric PCR. A dual assay for FKS1 and FKS2 was develop...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhao Y,Nagasaki Y,Kordalewska M,Press EG,Shields RK,Nguyen MH,Clancy CJ,Perlin DS

更新日期：2016-10-21 00:00:00

abstract：:We developed a high-performance liquid chromatography (HPLC) assay to validate time-kill and postantifungal-effect (PAFE) experiments for voriconazole against Candida albicans, Candida glabrata, and Candida parapsilosis isolates. Voriconazole exerted prolonged fungistatic activity but no PAFE at concentrations achieva...

journal_title：Antimicrobial agents and chemotherapy

authors： Li Y,Nguyen MH,Derendorf H,Cheng S,Clancy CJ

更新日期：2007-08-01 00:00:00

abstract：:Candida infections frequently involve drug-resistant biofilm growth on device surfaces. Glucan synthase gene FKS1 has been linked to triazole resistance in Candida biofilms. We tested the impact of FKS1 modulation on susceptibility to additional antifungal classes. Reduction of FKS1 expression rendered biofilms more s...

journal_title：Antimicrobial agents and chemotherapy

authors： Nett JE,Crawford K,Marchillo K,Andes DR

更新日期：2010-08-01 00:00:00

abstract：:The in vitro susceptibilities of 11 strains of Chlamydia pneumoniae to azithromycin, clarithromycin, erythromycin, L-oflaxacin, and doxycycline were determined. Clarithromycin was the most active agent tested, with an MIC for 90% of strains and minimal chlamydiacidal concentration for 90% of strains of 0.03 microns/ml...

journal_title：Antimicrobial agents and chemotherapy

authors： Hammerschlag MR,Qumei KK,Roblin PM

更新日期：1992-07-01 00:00:00

abstract：:Human immunodeficiency virus (HIV) Tat and gp120 intriguingly share the feature of being basic peptides that, once released by HIV(+) cells, bind to polyanionic heparan sulfate proteoglycans (HSPGs) on target uninfected cells, contributing to the onset of AIDS-associated pathologies. To identify multitarget anti-HIV p...

journal_title：Antimicrobial agents and chemotherapy

authors： Bugatti A,Urbinati C,Ravelli C,De Clercq E,Liekens S,Rusnati M

更新日期：2007-07-01 00:00:00

abstract：:Halocidin is an antimicrobial peptide found in the tunicate. A series of experiments were previously conducted in an attempt to develop a novel antibiotic derived from halocidin, as the peptide was determined to evidence profound antimicrobial activity against a variety of antibiotic-resistant microbes, with significa...

journal_title：Antimicrobial agents and chemotherapy

authors： Jang WS,Lee SC,Lee YS,Shin YP,Shin KH,Sung BH,Kim BS,Lee SH,Lee IH

更新日期：2007-11-01 00:00:00

abstract：:The role of pyrazinamide in the current treatment of multidrug-resistant (MDR) tuberculosis (TB) is uncertain. From a territory-wide registry of MDR-TB cases diagnosed between 1995 and 2009, we assembled a cohort of 194 patients with MDR pulmonary TB given fluoroquinolone-containing regimens. Stratified by pyrazinamid...

journal_title：Antimicrobial agents and chemotherapy

authors： Chang KC,Leung CC,Yew WW,Leung EC,Leung WM,Tam CM,Zhang Y

更新日期：2012-11-01 00:00:00

abstract：:The P450 enzyme, CYP3A4, extensively metabolizes both amprenavir and clarithromycin. To determine if an interaction exists when these two drugs are coadministered, the pharmacokinetics of amprenavir and clarithromycin were investigated in healthy adult male volunteers. This was a Phase I, open-label, randomized, balan...

journal_title：Antimicrobial agents and chemotherapy

authors： Brophy DF,Israel DS,Pastor A,Gillotin C,Chittick GE,Symonds WT,Lou Y,Sadler BM,Polk RE

更新日期：2000-04-01 00:00:00

abstract：:The influence of a mission hospital on the evolution of antibiotic resistance in coliform bacteria from a remote antibiotic-free Xhosa community and environment is described. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Burt SJ,Woods DR

更新日期：1976-09-01 00:00:00

abstract：:Hepatotoxicity induced by antituberculosis drugs is a serious adverse reaction with significant morbidity and even, rarely, mortality. This form of toxicity potentially impacts the treatment outcome of tuberculosis in some patients. Covering only first-line antituberculosis drugs, this review addresses whether and how...

journal_title：Antimicrobial agents and chemotherapy

authors： Yew WW,Chang KC,Chan DP

更新日期：2018-07-27 00:00:00

abstract：:Resistance to macrolides and ketolides occurs mainly via alterations in RNA moieties of the drug-binding site. Using an A2058G mutant of Mycobacterium smegmatis, additional telithromycin resistance was acquired via deletion of 15 residues from protein L22. Molecular modeling, based on the crystal structure of the larg...

journal_title：Antimicrobial agents and chemotherapy

authors： Berisio R,Corti N,Pfister P,Yonath A,Böttger EC

更新日期：2006-11-01 00:00:00

abstract：:Pyrazinamide (PZA) is a first-line tuberculosis drug that inhibits the growth of Mycobacterium tuberculosis via an as yet undefined mechanism. An M. tuberculosis laboratory strain that was auxotrophic for pantothenate was found to be insensitive to PZA and to the active form, pyrazinoic acid (POA). To determine whethe...

journal_title：Antimicrobial agents and chemotherapy

authors： Dillon NA,Peterson ND,Rosen BC,Baughn AD

更新日期：2014-12-01 00:00:00

abstract：:WCK 5222 consists of cefepime combined with zidebactam, a bicyclo-acyl hydrazide β-lactam enhancer antibiotic with a dual action involving binding to Gram-negative bacterial PBP2 and β-lactamase inhibition. We evaluated the in vitro activity of cefepime-zidebactam against 7,876 contemporary (2015) clinical isolates of...

journal_title：Antimicrobial agents and chemotherapy

authors： Sader HS,Castanheira M,Huband M,Jones RN,Flamm RK

更新日期：2017-04-24 00:00:00

abstract：:Levels of roxithromycin in serum and tissue were investigated in 29 subjects undergoing tonsillectomy. A total of 13 subjects received a single oral dose of 300 mg, and 16 received four oral doses 12 h apart as follows: a 300-mg loading dose followed by three 150-mg doses. Measurable levels of roxithromycin were prese...

journal_title：Antimicrobial agents and chemotherapy

authors： Galioto GB,Ortisi G,Mevio E,Sassella D,Bartucci F,Privitera G

更新日期：1988-09-01 00:00:00

abstract：:Colistin is increasingly used as a salvage therapy for nosocomial infections caused by multidrug-resistant Gram-negative bacteria such as Pseudomonas aeruginosa and Acinetobacter baumannii. However, the available pharmacokinetic (PK) data for colistin are limited to guide dosing. The aim of this study was to develop a...

journal_title：Antimicrobial agents and chemotherapy

authors： Lee J,Han S,Jeon S,Hong T,Song W,Woo H,Yim DS

更新日期：2013-05-01 00:00:00

abstract：:The capacity for intracellular growth is an important survival strategy for a large group of common pathogens. Helicobacter pylori, the etiological agent for gastritis and duodenal ulcer, has been shown by both in vivo and in vitro studies to have the capacity to invade epithelial cells. In vitro models are used to st...

journal_title：Antimicrobial agents and chemotherapy

authors： Hultén K,Rigo R,Gustafsson I,Engstrand L

更新日期：1996-12-01 00:00:00