Cyclohexane triones, novel membrane-active antibacterial agents.

abstract：:Nephrotoxicity is the main complication of gentamicin (GM) treatment. GM induces renal damage by overproduction of reactive oxygen species and inflammation in proximal tubular cells. Phenolic compounds from ginger, called gingerols, have been demonstrated to have antioxidant and anti-inflammatory effects. We investiga...

journal_title：Antimicrobial agents and chemotherapy

authors： Rodrigues FA,Prata MM,Oliveira IC,Alves NT,Freitas RE,Monteiro HS,Silva JA,Vieira PC,Viana DA,Libório AB,Havt A

更新日期：2014-01-01 00:00:00

abstract：:Itraconazole is used for the prevention and treatment of infections caused by Aspergillus fumigatus. An understanding of the pharmacodynamics of itraconazole against wild-type and triazole-resistant strains provides a basis for innovative therapeutic strategies for treatment of infections. An in vitro model of the hum...

journal_title：Antimicrobial agents and chemotherapy

authors： Al-Nakeeb Z,Sudan A,Jeans AR,Gregson L,Goodwin J,Warn PA,Felton TW,Howard SJ,Hope WW

更新日期：2012-08-01 00:00:00

abstract：:A new natural TEM derivative, named TEM-87, was identified in a Proteus mirabilis isolate from an Italian hospital. Compared to TEM-1, TEM-87 contains the following mutations: E104K, R164C, and M182T. Kinetic analysis of TEM-87 revealed extended-spectrum activity against oxyimino cephalosporins (preferentially ceftazi...

journal_title：Antimicrobial agents and chemotherapy

authors： Perilli M,Segatore B,De Massis MR,Franceschini N,Bianchi C,Rossolini GM,Amicosante G

更新日期：2002-03-01 00:00:00

abstract：:The human fungal pathogen Candida albicans releases a large glycofragment of the Msb2 surface protein (Msb2*) into the growth environment, which protects against the action of human antimicrobial peptides (AMPs) LL-37 and histatin-5. Quantitation of Msb2*/LL-37 interactions by microscale thermophoresis revealed high-a...

journal_title：Antimicrobial agents and chemotherapy

authors： Swidergall M,Ernst AM,Ernst JF

更新日期：2013-08-01 00:00:00

abstract：:The interrelationships between the pharmacokinetics of zidovudine alone and of zidovudine plus clarithromycin were evaluated with 18 volunteers with AIDS who had no infection with Mycobacterium avium complex or clinical evidence of gastroenteritis. Patients received 200 mg of zidovudine orally every 8 h on days 1 to 4...

journal_title：Antimicrobial agents and chemotherapy

authors： Vance E,Watson-Bitar M,Gustavson L,Kazanjian P

更新日期：1995-06-01 00:00:00

abstract：:The candidacidal activity of nitric oxide (NO) as delivered by a class of compounds termed diazeniumdiolates has been investigated. Diazeniumdiolates are stable agents capable of releasing NO in a biologically usable form at a predicted rate, and three such compounds were examined for activity. One compound, (Z)-1-[N-...

journal_title：Antimicrobial agents and chemotherapy

authors： McElhaney-Feser GE,Raulli RE,Cihlar RL

更新日期：1998-09-01 00:00:00

abstract：:We applied in vitro evolution to an Escherichia coli strain containing bla(CTX-M-2) and obtained 10 independent mutant bla(CTX-M-2) alleles that confer elevated resistance to ceftazidime (MIC > or = 32 microg/ml) but lost the ability to confer resistance to cefepime. All alleles had a Pro-to-Ser substitution at positi...

journal_title：Antimicrobial agents and chemotherapy

authors： Welsh KJ,Barlow M,Tenover FC,Biddle JW,Rasheed JK,Clark LA,McGowan JE Jr

更新日期：2005-03-01 00:00:00

abstract：:Twenty-four children with cancer and localized herpes zoster were randomized to receive either topical polyinosinic acid-polycytidylic acid [poly(I:C)] or a saline placebo. Solutions containing 1.0 or 2.5 mg of drug per ml were applied to the lesions every 3 h, seven times a day for 7 consecutive days. Serial, standar...

journal_title：Antimicrobial agents and chemotherapy

authors： Feldman S,Hughes WT,Darlington RW,Kim HK

更新日期：1975-09-01 00:00:00

abstract：:We have evaluated the efficacy of posaconazole (PSC), voriconazole (VRC), and amphotericin B (AMB) in a murine model of systemic infection by Cryptococcus gattii using immunocompromised animals and three clinical strains of the fungus. AMB was the most effective drug in prolonging the survival of mice and also in redu...

journal_title：Antimicrobial agents and chemotherapy

authors： Calvo E,Pastor FJ,Rodríguez MM,Pujol I,Guarro J

更新日期：2010-10-01 00:00:00

abstract：:Argyrins are natural products with antibacterial activity against Gram-negative pathogens, such as Pseudomonas aeruginosa, Burkholderia multivorans, and Stenotrophomonas maltophilia We previously showed that argyrin B targets elongation factor G (FusA). Here, we show that argyrin B activity against P. aeruginosa PAO1 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Jones AK,Woods AL,Takeoka KT,Shen X,Wei JR,Caughlan RE,Dean CR

更新日期：2017-03-24 00:00:00

abstract：:Unlike mammalian cells, malarial parasites lack the enzymes to salvage preformed pyrimidines. For this reason, a combination of a thymidylate synthase inhibitor and the nucleoside thymidine should provide selective antimalarial activity even in the absence of any known active site differences between malarial and mamm...

journal_title：Antimicrobial agents and chemotherapy

authors： Rathod PK,Reshmi S

更新日期：1994-03-01 00:00:00

abstract：:We reported previously that intraperitoneal administration of a bis(benzyl)polyamine analog, MDL 27,695, suppressed both pentavalent antimony (Sbv)-susceptible and -resistant Leishmania donovani in vivo. The present studies were performed to optimize parasite suppression by parenteral administration and to evaluate th...

journal_title：Antimicrobial agents and chemotherapy

authors： Baumann RJ,McCann PP,Bitonti AJ

更新日期：1991-07-01 00:00:00

abstract：:Treatment of Mycobacterium abscessus infections is extremely challenging due to its intrinsic resistance to most antibiotics, and research of pathogenesis is limited due to a lack of a practical in vivo model of infection. The objective of this study was to establish a simple in vivo model for M. abscessus infection, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Meir M,Grosfeld T,Barkan D

更新日期：2018-03-27 00:00:00

abstract：:We compared a rigid (1-h) screening method for the detection of chloramphenicol acetyltransferase (CAT) activity with the standard spectrophotometric CAT assay to determine whether CAT-mediated chloramphenicol resistance in Haemophilus influenzae could be determined upon primary isolation. Of 58 H. influenzae cell son...

journal_title：Antimicrobial agents and chemotherapy

authors： Azemun P,Stull T,Roberts M,Smith AL

更新日期：1981-08-01 00:00:00

abstract：:Sordarin and its derivatives are antifungal compounds of potential clinical interest. Despite the highly conserved nature of the fungal and mammalian protein synthesis machineries, sordarin is a selective inhibitor of protein synthesis in fungal organisms. In cells sensitive to sordarin, its mode of action is through ...

journal_title：Antimicrobial agents and chemotherapy

authors： Botet J,Rodríguez-Mateos M,Ballesta JP,Revuelta JL,Remacha M

更新日期：2008-05-01 00:00:00

abstract：:Candida lusitaniae is usually susceptible to echinocandins. Beta-1,3-glucan synthase encoded by FKS genes is the target of echinocandins. A few missense mutations in the C. lusitaniae FKS1 hot spot 1 (HS1) have been reported. We report here the rapid emergence of antifungal resistance in C. lusitaniae isolated during ...

journal_title：Antimicrobial agents and chemotherapy

authors： Asner SA,Giulieri S,Diezi M,Marchetti O,Sanglard D

更新日期：2015-12-01 00:00:00

abstract：:We found a heterozygous C2857T mutation (R953C) in polymerase gamma (Pol-γ) in an HIV-infected patient with mitochondrial toxicity. The R953C Pol-γ mutant binding affinity for dCTP is 8-fold less than that of the wild type. The R953C mutant shows a 4-fold decrease in discrimination of analog nucleotides relative to th...

journal_title：Antimicrobial agents and chemotherapy

authors： Li M,Mislak AC,Foli Y,Agbosu E,Bose V,Bhandari S,Szymanski MR,Shumate CK,Yin YW,Anderson KS,Paintsil E

更新日期：2016-08-22 00:00:00

abstract：:The in vitro activities of a new quinolone, WIN 57273, and the combination of piperacillin and tazobactam, a beta-lactamase inhibitor, were compared with those of cefoxitin, ceftizoxime, chloramphenicol, clindamycin, imipenem, metronidazole, and piperacillin for 123 clinical anaerobic isolates. Ceftizoxime and cefoxit...

journal_title：Antimicrobial agents and chemotherapy

authors： Venezia RA,Yocum DM,Robbiano EM,Echols RM

更新日期：1990-09-01 00:00:00

abstract：:Four large staphylococcal plasmids ranging in size from 31 to 82 kbp have been shown to mediate tetracycline resistance via an integrated copy of the tet(K)-encoding plasmid pT181 which was flanked by copies of the insertion element IS257. In two cases, IS257 elements interrupted the repC reading frame of pT181 and an...

journal_title：Antimicrobial agents and chemotherapy

authors： Werckenthin C,Schwarz S,Roberts MC

更新日期：1996-11-01 00:00:00

abstract：:In both scid and BALB/c mouse-Leishmania donovani models, hexadecyphosphocholine (miltefosine) and AmBisome had similar levels of activity. In contrast, sodium stibogluconate (Pentostam) was significantly less active against L. donovani in scid mice than in BALB/c mice. The in vitro anti-leishmanial activity of miltef...

journal_title：Antimicrobial agents and chemotherapy

authors： Escobar P,Yardley V,Croft SL

更新日期：2001-06-01 00:00:00

abstract：:MCC-478 is a newly synthesized 2-amino-6-arylthio-9-phosphonomethoxyethylpurine bis(2,2,2-trifluoroethyl) ester derivative. MCC-478 showed a substantially higher (ca. 80-fold) anti-hepatitis B virus (HBV) activity than that of lamivudine, despite no significant anti-human immunodeficiency virus activity. Since the bis...

journal_title：Antimicrobial agents and chemotherapy

authors： Kamiya N,Kubota A,Iwase Y,Sekiya K,Ubasawa M,Yuasa S

更新日期：2002-09-01 00:00:00

abstract：:Mycobacterium smegmatis DSM43756 inactivates rifampin, and the inactivated antibiotic product recovered from culture medium was ribosylated on the 23-OH group. To study this process, the gene responsible for the inactivation was expressed at high levels by the lac promoter in Escherichia coli conferring resistance to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Quan S,Imai T,Mikami Y,Yazawa K,Dabbs ER,Morisaki N,Iwasaki S,Hashimoto Y,Furihata K

更新日期：1999-01-01 00:00:00

abstract：:Herpes simplex virus (HSV) types 1 and 2 (two strains each) were inactivated at different rates in vitro by 40 muM AgNO(3). The inactivation of HSV type 1 strains was virtually complete in 10 to 15 min, whereas almost half of the infectivity of HSV type 2 strains survived this exposure. One strain of type 1 inoculated...

journal_title：Antimicrobial agents and chemotherapy

authors： Coleman VR,Wilkie J,Levinson WE,Stevens T,Jawetz E

更新日期：1973-09-01 00:00:00

abstract：:The effects of eight contact lens solutions on a Mastigina sp., which was associated with the infected eye of a patient, were studied. The solutions which killed the organism promptly were those which are used for gas-permeable and hard contact lenses. Some solutions for soft contact lenses were more effective than ot...

journal_title：Antimicrobial agents and chemotherapy

authors： Niszl IA,Markus MB,van Deventer JM

更新日期：1995-10-01 00:00:00

abstract：:The pharmacokinetics and penetration into a cantharidine-induced inflammatory exudate of meropenem was studied in six volunteers following a single 1-g intravenous dose. Concentrations in plasma, urine, and the inflammatory exudate were determined by a microbiological assay. The mean elimination half-life of meropenem...

journal_title：Antimicrobial agents and chemotherapy

authors： Wise R,Logan M,Cooper M,Ashby JP,Andrews JM

更新日期：1990-08-01 00:00:00

abstract：:Two new fluorinated oxazolidinones, U-100592 and U-100766, were evaluated against more than 659 gram-positive and -negative organisms and compared with glycopeptides, erythromycin, clindamycin, clinafloxacin, and chloramphenicol. U-100592 and U-100766 were usually equally potent, but the MICs at which 90% of the isola...

journal_title：Antimicrobial agents and chemotherapy

authors： Jones RN,Johnson DM,Erwin ME

更新日期：1996-03-01 00:00:00

abstract：:Systemic candidiasis is a leading cause of nosocomial bloodstream infection with a high mortality rate despite treatment. Immune-based strategies are needed to improve outcomes. We previously reported that genetic deficiency in the chemokine receptor CCR1 improves survival and ameliorates tissue damage in Candida-infe...

journal_title：Antimicrobial agents and chemotherapy

authors： Lionakis MS,Albert ND,Swamydas M,Lee CR,Loetscher P,Kontoyiannis DP

更新日期：2017-02-23 00:00:00

abstract：:Pairs of 11 antimicrobial agents were tested in vitro for their ability to act synergistically against three strains of Mycobacterium avium complex isolated from patients with acquired immune deficiency syndrome. From the combinations tested, four drugs (ethambutol, rifampin, ciprofloxacin, and erythromycin) were sele...

journal_title：Antimicrobial agents and chemotherapy

authors： Yajko DM,Kirihara J,Sanders C,Nassos P,Hadley WK

更新日期：1988-09-01 00:00:00

abstract：:A single-nucleotide polymorphism-based cluster grouping (SCG) classification system for Mycobacterium tuberculosis was used to examine antibiotic resistance type and resistance mutations in relationship to specific evolutionary lineages. Drug resistance and resistance mutations were seen across all SCGs. SCG-2 had hig...

journal_title：Antimicrobial agents and chemotherapy

authors： Brimacombe M,Hazbon M,Motiwala AS,Alland D

更新日期：2007-11-01 00:00:00

abstract：:A randomized, prospective, double-blind, double-dummy, multicenter study investigated the efficacy and safety of 10 days of oral therapy with grepafloxacin at 400 mg once daily, grepafloxacin at 600 mg once daily, or ciprofloxacin at 500 mg twice daily in 624 patients with acute bacterial exacerbations of chronic bron...

journal_title：Antimicrobial agents and chemotherapy

authors： Chodosh S,Lakshminarayan S,Swarz H,Breisch S

更新日期：1998-01-01 00:00:00