In vitro and in vivo antibacterial activities of K-4619, a new semisynthetic aminoglycoside.

abstract：:We examined the inhibitory activities of 10 polyether antibiotics on human immunodeficiency virus (HIV) type 1. These compounds caused concentration-dependent inhibition of HIV replication in primary infected cultures of human T-lymphoblastoid H9 cells. The ratio of 50% effective concentrations for cellular cytotoxici...

journal_title：Antimicrobial agents and chemotherapy

authors： Nakamura M,Kunimoto S,Takahashi Y,Naganawa H,Sakaue M,Inoue S,Ohno T,Takeuchi T

更新日期：1992-02-01 00:00:00

abstract：:Hypermutable Pseudomonas aeruginosa strains are prevalent in patients with cystic fibrosis and rapidly become resistant to antibiotic monotherapies. Combination dosage regimens have not been optimized against such strains using mechanism-based modeling (MBM) and the hollow-fiber infection model (HFIM). The PAO1 wild-t...

journal_title：Antimicrobial agents and chemotherapy

authors： Landersdorfer CB,Rees VE,Yadav R,Rogers KE,Kim TH,Bergen PJ,Cheah SE,Boyce JD,Peleg AY,Oliver A,Shin BS,Nation RL,Bulitta JB

更新日期：2018-03-27 00:00:00

abstract：:The metabolic fate of the orally effective cephalosporin antibiotic cefaclor (Lilly 99638) has been studied in rats, mice, and dogs. Cefaclor is efficiently absorbed from the gastrointestinal tract as the intact antibiotic. In rats and mice, cefaclor, for the most part, escapes metabolism in the body and is eliminated...

journal_title：Antimicrobial agents and chemotherapy

authors： Sullivan HR,Due SL,Kau DL,Quay JF,Miller W

更新日期：1976-10-01 00:00:00

abstract：:The density of the biofilm layer produced on a plastic surface by 23 clinical isolates and 1 reference strain of slime-positive, coagulase-negative staphylococci was measured following growth in subinhibitory concentrations (sub-MICs) of cefamandole or vancomycin ranging from 2 to 0.008 micrograms/ml. All strains were...

journal_title：Antimicrobial agents and chemotherapy

authors： Dunne WM Jr

更新日期：1990-03-01 00:00:00

abstract：:Sublethal doses of vincristine (VNC) and bacterial lipopolysaccharide (LPS) administered simultaneously to adult male mice resulted in markedly enhanced mortality. All of 10 strains of Pseudomonas aeruginosa tested, 4 of 7 strains of Bacteroides, and 6 of 10 strains of Listeria monocytogenes were able to substitute fo...

journal_title：Antimicrobial agents and chemotherapy

authors： Munson AE,Drummond DC,Adams AC,Bradley SG

更新日期：1976-05-01 00:00:00

abstract：:Nitazoxanide (NTZ), a drug currently being tested in human clinical trials for efficacy against chronic cryptosporidiosis, was assessed in cell culture and in two animal models. The inhibitory activity of NTZ was compared with that of paromomycin (PRM), a drug that is partially effective against Cryptosporidium parvum...

journal_title：Antimicrobial agents and chemotherapy

authors： Theodos CM,Griffiths JK,D'Onfro J,Fairfield A,Tzipori S

更新日期：1998-08-01 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：:Seven bla(IMP-1)-harboring Acinetobacter sp. isolates and one Pseudomonas putida clinical isolate were recovered from hospitalized patients. All isolates possessed a class 1 integron, named In86, carrying the same cassette array [bla(IMP1), aac(6')-31, and aadA1], which was plasmid located in five of the isolates. Thi...

journal_title：Antimicrobial agents and chemotherapy

authors： Mendes RE,Castanheira M,Toleman MA,Sader HS,Jones RN,Walsh TR

更新日期：2007-07-01 00:00:00

abstract：:Two neuraminidase (NA) inhibitors, zanamivir (Relenza) and oseltamivir phosphate (Tamiflu), have been licensed for the treatment of and prophylaxis against influenza. In this paper, the new potent NA inhibitor R-125489 is reported for the first time. R-125489 inhibited the NA activities of various type A and B influen...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamashita M,Tomozawa T,Kakuta M,Tokumitsu A,Nasu H,Kubo S

更新日期：2009-01-01 00:00:00

abstract：:The susceptibilities of a range of gram-positive and gram-negative microbial pathogens to clofazimine and its analog B669 (0.1 to 32 micrograms/ml), as well as the effects of these agents on membrane phospholipid metabolism in Staphylococcus aureus and Escherichia coli, have been investigated in vitro. Gram-positive b...

journal_title：Antimicrobial agents and chemotherapy

authors： Van Rensburg CE,Jooné GK,O'Sullivan JF,Anderson R

更新日期：1992-12-01 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：:We evaluated MEDI8852, a human IgG1 monoclonal antibody that binds a highly conserved influenza A hemagglutinin stalk epitope, in outpatients with uncomplicated influenza A infection. A total of 126 subjects aged 18 to 65 years were enrolled during the 2015 to 2016 Northern and 2016 Southern Hemisphere seasons. Subjec...

journal_title：Antimicrobial agents and chemotherapy

authors： Ali SO,Takas T,Nyborg A,Shoemaker K,Kallewaard NL,Chiong R,Dubovsky F,Mallory RM

更新日期：2018-10-24 00:00:00

abstract：:Steady-state concentrations of telavancin, a novel, bactericidal lipoglycopeptide, were determined in the plasma, pulmonary epithelial lining fluid (ELF), and alveolar macrophages (AMs) of 20 healthy subjects. Telavancin at 10 mg of drug/kg of body weight/day was administered as a 1-h intravenous infusion on three suc...

journal_title：Antimicrobial agents and chemotherapy

authors： Gotfried MH,Shaw JP,Benton BM,Krause KM,Goldberg MR,Kitt MM,Barriere SL

更新日期：2008-01-01 00:00:00

abstract：:Sporadic isolates of carbapenem-resistant KPC-2-producing Klebsiella pneumoniae were isolated in Tel Aviv Medical Center during 2005 and 2006, parallel to the emergence of the KPC-3-producing K. pneumoniae sequence type 258 (ST 258). We aimed to study the molecular epidemiology of these isolates and to characterize th...

journal_title：Antimicrobial agents and chemotherapy

authors： Leavitt A,Carmeli Y,Chmelnitsky I,Goren MG,Ofek I,Navon-Venezia S

更新日期：2010-07-01 00:00:00

abstract：:Two hundred and fifty-seven ampicillin-resistant clinical isolates of Haemophilus influenzae were tested by disk diffusion and MIC determination for susceptibility to aztreonam, imipenem, and amoxycillin combined with clavulanate. The modal MICs and MICs for 50 and 90% of isolates of all three antimicrobial agents for...

journal_title：Antimicrobial agents and chemotherapy

authors： Powell M,Williams JD

更新日期：1987-12-01 00:00:00

abstract：:Seasonal and pandemic influenza causes 650,000 deaths annually in the world. The emergence of drug resistance to specific anti-influenza virus drugs such as oseltamivir and baloxavir marboxil highlights the urgency of novel anti-influenza chemical entity discovery. In this study, we report a series of novel thiazolide...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhao L,Yan Y,Dai Q,Li X,Xu K,Zou G,Yang K,Li W,Guo X,Yang J,Li Y,Xia Q,Cao R,Zhong W

更新日期：2020-06-23 00:00:00

abstract：:The phenotype of Klebsiella pneumoniae HEL-1 indicates a plasmidic cephamycinase gene (blaCMY-2). Its sequence shows one open reading frame coding for a protein of 381 amino acids. CMY-2 is classified as class C beta-lactamase that is closely related to the plasmidic enzymes BIL-1 and LAT-1 and the chromosomal AmpC of...

journal_title：Antimicrobial agents and chemotherapy

authors： Bauernfeind A,Stemplinger I,Jungwirth R,Giamarellou H

更新日期：1996-01-01 00:00:00

abstract：:The radical-based theory proposes that three major classes of bactericidal antibiotics, i.e., β-lactams, quinolones, and aminoglycosides, have in common the downstream formation of lethal levels of reactive oxygen species (ROS) as part of the killing mechanism. If bactericidal antibiotics exhibit a common mechanism, t...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoeksema M,Brul S,Ter Kuile BH

更新日期：2018-05-25 00:00:00

abstract：:Enviroxime, an inhibitor of rhinovirus replication, was studied in a double-blind, placebo-controlled trial with 99 volunteers. The efficacy of a nasal-spray formulation of enviroxime was tested as pretreatment or as postchallenge treatment for rhinovirus type 4 infection. In the regimens used, drug administration nei...

journal_title：Antimicrobial agents and chemotherapy

authors： Levandowski RA,Pachucki CT,Rubenis M,Jackson GG

更新日期：1982-12-01 00:00:00

abstract：:Berberine sulfate is an alkaloid extracted from the roots and bark of various plants and possesses antibacterial, antifungal, and antiprotozoal activities. Most studies have focused on the bacteriostatic or bactericidal activities of this compound. In this study, we report that berberine sulfate is bacteriostatic for ...

journal_title：Antimicrobial agents and chemotherapy

authors： Sun D,Courtney HS,Beachey EH

更新日期：1988-09-01 00:00:00

abstract：:The MICs of pyrazinamide (PZA) were determined for Mycobacterium tuberculosis cultivated under different pH conditions in 7H12 liquid medium. Mycobacterial growth was monitored by the radiometric method (BACTEC system; Johnston Laboratories, Inc., Towson, Md.). We observed a predictable eightfold difference between th...

journal_title：Antimicrobial agents and chemotherapy

authors： Salfinger M,Heifets LB

更新日期：1988-07-01 00:00:00

abstract：:The pharmacokinetics of cidofovir (HPMPC; (S)-1-[3-hydroxy-2-(phosphonylmethoxy)propyl]cytosine) were examined at five dose levels in three phase I/II studies in a total of 42 human immunodeficiency virus-infected patients (with or without asymptomatic cytomegalovirus infection). Levels of cidofovir in serum following...

journal_title：Antimicrobial agents and chemotherapy

authors： Cundy KC,Petty BG,Flaherty J,Fisher PE,Polis MA,Wachsman M,Lietman PS,Lalezari JP,Hitchcock MJ,Jaffe HS

更新日期：1995-06-01 00:00:00

abstract：:Enucleated human polymorphonuclear leukocytes (PMN cytoplasts), which have no nuclei and only a few granules, retain many of the functions of intact neutrophils. To better define the mechanisms and intracellular sites of antimicrobial agent accumulation in human neutrophils, we studied the antibiotic uptake process in...

journal_title：Antimicrobial agents and chemotherapy

authors： Hand WL,King-Thompson NL

更新日期：1990-06-01 00:00:00

abstract：:Antibiotic therapy with penicillin, doxycycline, and ceftriaxone has proven to be effective for the treatment of Lyme borreliosis. In some patients, however, it was noticed that borreliae can survival in the tissues in spite of seemingly adequate therapy. For a better understanding of this phenomenon, we investigated ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kersten A,Poitschek C,Rauch S,Aberer E

更新日期：1995-05-01 00:00:00

abstract：:Antimicrobial peptides (AMPs) are effective antibiotic agents commonly found in plants, animals, and microorganisms, and they have been suggested as the future of antimicrobial chemotherapies. It is vital to understand the molecular details that define the mechanism of action of resistance to AMPs for a rational plann...

journal_title：Antimicrobial agents and chemotherapy

authors： Maria-Neto S,Cândido Ede S,Rodrigues DR,de Sousa DA,da Silva EM,de Moraes LM,Otero-Gonzalez Ade J,Magalhães BS,Dias SC,Franco OL

更新日期：2012-04-01 00:00:00

abstract：:Carbapenemase-producing Enterobacteriaceae isolates (n = 110) from health care centers in central Indiana (from 2010 to 2013) were tested for susceptibility to combinations of avibactam (4 μg/ml) with ceftazidime, ceftaroline, or aztreonam. MIC50/MIC90 values were 1/2 μg/ml (ceftazidime-avibactam), 0.5/2 μg/ml (ceftar...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang Y,Kashikar A,Brown CA,Denys G,Bush K

更新日期：2017-07-25 00:00:00

abstract：:Two specific inhibitors of herpes simplex virus thymidine kinase, N2-phenyl-2'-deoxyguanosine and N2-(m-trifluoromethylphenyl)guanine, were tested for their ability to inhibit the reactivation of virus from explant cultures of latently infected murine trigeminal ganglia. Both compounds significantly diminished the fre...

journal_title：Antimicrobial agents and chemotherapy

authors： Leib DA,Ruffner KL,Hildebrand C,Schaffer PA,Wright GE,Coen DM

更新日期：1990-06-01 00:00:00

abstract：:The methionyl-tRNA synthetase (MetRS) is a novel drug target for the protozoan pathogen Giardia intestinalis. This protist contains a single MetRS that is distinct from the human cytoplasmic MetRS. A panel of MetRS inhibitors was tested against recombinant Giardia MetRS, Giardia trophozoites, and mammalian cell lines....

journal_title：Antimicrobial agents and chemotherapy

authors： Ranade RM,Zhang Z,Gillespie JR,Shibata S,Verlinde CL,Hol WG,Fan E,Buckner FS

更新日期：2015-11-01 00:00:00

abstract：:This study determined the pharmacokinetic disposition of cefonicid. A single dose of 7.5 mg/kg of body weight was administered to five healthy volunteers as a 5-min intravenous infusion. Multiple plasma and urine samples were collected for 48 h. Peak plasma concentrations ranged from 95 to 156 micrograms/ml and fell s...

journal_title：Antimicrobial agents and chemotherapy

authors： Barriere SL,Hatheway GJ,Gambertoglio JG,Lin ET,Conte JE Jr

更新日期：1982-06-01 00:00:00

abstract：:The relative therapeutic effects of vidarabine (9-beta-D-arabinofuranosyladenine), cyclaradine (the adenosine deaminase-resistant carbocyclic analog of vidarabine), and cyclaradine-5'-methoxyacetate in the parenteral treatment of systemic herpes simplex virus type 1 infections in Swiss mice were determined. Among cont...

journal_title：Antimicrobial agents and chemotherapy

authors： Shannon WM,Westbrook L,Arnett G,Daluge S,Lee H,Vince R

更新日期：1983-10-01 00:00:00