Preclinical safety assessments of UC781 anti-human immunodeficiency virus topical microbicide formulations.

abstract：:Antibiotic tolerance is an underappreciated antibiotic escape strategy that is associated with recurrent and relapsing infections, as well as acting as a precursor to resistance. Tolerance describes the ability of a bacterial population to survive transient exposure to an otherwise lethal concentration of antibiotic w...

journal_title：Antimicrobial agents and chemotherapy

authors： Bryson D,Hettle AG,Boraston AB,Hobbs JK

更新日期：2020-02-21 00:00:00

abstract：:Sixteen clinical fungal isolates were tested for antibiotic susceptibility by using disks impregnated with growth medium and antibiotic. The procedure was easier to perform, less time consuming, and as reliable as other currently available methods. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Boyer JE

更新日期：1976-06-01 00:00:00

abstract：:Resistance of Plasmodium falciparum to drugs such as chloroquine and sulfadoxine-pyrimethamine is a major problem in malaria control. Artemisinin (ART) derivatives, particularly in combination with other drugs, are thus increasingly used to treat malaria, reducing the probability that parasites resistant to the compon...

journal_title：Antimicrobial agents and chemotherapy

authors： Afonso A,Hunt P,Cheesman S,Alves AC,Cunha CV,do Rosário V,Cravo P

更新日期：2006-02-01 00:00:00

abstract：:The Michaelis-Menten inhibitory constants (Kis) and the concentrations required for 50% inhibition of the Plasmodium falciparum dihydropteroate synthetase were determined for six sulfa drugs. These drugs inhibited the in vitro growth of P. falciparum (50% lethal concentration) at concentrations of 30 to 500 nM; these ...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang Y,Meshnick SR

更新日期：1991-02-01 00:00:00

abstract：:Ten (0.05%) of 18,628 strains of Streptococcus pyogenes isolated from clinical specimens in the 3 years 1968 to 1970 were resistant to lincomycin and erythromycin. All 10 strains were highly resistant to lincomycin, having minimal inhibitory concentration (MIC) values of 200 mug/ml. There were two degrees of resistanc...

journal_title：Antimicrobial agents and chemotherapy

authors： Dixon JM,Lipinski AE

更新日期：1972-04-01 00:00:00

abstract：:One way to speed up the TB drug discovery process is to search for antitubercular activity among compound series that already possess some of the key properties needed in anti-infective drug discovery, such as whole-cell activity and oral absorption. Here, we present MGIs, a new series of Mycobacterium tuberculosis gy...

journal_title：Antimicrobial agents and chemotherapy

authors： Blanco D,Perez-Herran E,Cacho M,Ballell L,Castro J,González Del Río R,Lavandera JL,Remuiñán MJ,Richards C,Rullas J,Vázquez-Muñiz MJ,Woldu E,Zapatero-González MC,Angulo-Barturen I,Mendoza A,Barros D

更新日期：2015-04-01 00:00:00

abstract：:A reverse-phase high-pressure liquid chromatography method for the quantitation of sulbactam in plasma, urine, and tissue is described. The assay used the formation of an imidazole derivative followed by extraction with acetonitrile and dichloromethane and used UV absorbance for detection. The mobile phase consisted o...

journal_title：Antimicrobial agents and chemotherapy

authors： Bawdon RE,Madsen PO

更新日期：1986-08-01 00:00:00

abstract：:Positive carbon-containing electrodes conveying 5 or more microA of constant direct current per cm2 showed bactericidal activity on intact back skin of 13 human subjects. This effect increased with the duration of stimulation up to a total surface bacterial kill at 20 h. When total current and current density were var...

journal_title：Antimicrobial agents and chemotherapy

authors： Bolton L,Foleno B,Means B,Petrucelli S

更新日期：1980-07-01 00:00:00

abstract：:Stenotrophomonas maltophilia is an opportunistic pathogen with increasing prevalence, which is able to cause infections in immunocompromised patients or in those with a previous pathology. The treatment of the infections caused by this bacterium is often complicated due to the several intrinsic antibiotic resistance m...

journal_title：Antimicrobial agents and chemotherapy

authors： Blanco P,Corona F,Sánchez MB,Martínez JL

更新日期：2017-04-24 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：:We used multiplex PCR to determine the agr group membership of 18 European glycopeptide heterointermediate and intermediate-resistant Staphylococcus aureus strains. Of the 15 agr group I strains, 13 were resistant and 2 were susceptible to methicillin. The remaining three strains, like the United States and Japanese c...

journal_title：Antimicrobial agents and chemotherapy

authors： Verdier I,Reverdy ME,Etienne J,Lina G,Bes M,Vandenesch F

更新日期：2004-03-01 00:00:00

abstract：:This work in conjunction with the results presented in an earlier report (M. A. Purdy and K. L. Yielding, Antimicrob. Agents Chemother. 10:182--184, 1976) showed the following. (i) Nalidixic acid and novobiocin could inhibit post-ultraviolet and post-X-ray survival, implicating gyrase function in deoxyribonucleic acid...

journal_title：Antimicrobial agents and chemotherapy

authors： Purdy MA,Yielding KL

更新日期：1979-09-01 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：:An innovative liposomal formulation of meglumine antimoniate (LMA) was recently reported to promote both long-term parasite suppression and reduction of infectivity to sand flies in dogs with visceral leishmaniasis. However, 5 months after treatment, parasites were still found in the bone marrow of all treated dogs. I...

journal_title：Antimicrobial agents and chemotherapy

authors： da Silva SM,Amorim IF,Ribeiro RR,Azevedo EG,Demicheli C,Melo MN,Tafuri WL,Gontijo NF,Michalick MS,Frézard F

更新日期：2012-06-01 00:00:00

abstract：:We investigated both the structural and functional consequences of modifying the hydrophobic, lipopeptide-mimetic oligo-acyl-lysine (OAK) N(alpha)-hexadecanoyl-l-lysyl-l-lysyl-aminododecanoyl-l-lysyl-amide (c(16)KKc(12)K) to its unsaturated analog hexadecenoyl-KKc(12)K [c(16(omega7))KKc(12)K]. Despite similar tendenci...

journal_title：Antimicrobial agents and chemotherapy

authors： Sarig H,Rotem S,Ziserman L,Danino D,Mor A

更新日期：2008-12-01 00:00:00

abstract：:Current data indicate that once-daily aminoglycoside therapy is as efficacious as traditional multiple daily dosing and equally or less toxic. Our experience with once-daily gentamicin, 6 mg/kg of body weight led to a 10% (3 of 33 patients) occurrence of documented ototoxicity after prolonged aminoglycoside exposure. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Singer C,Smith C,Krieff D

更新日期：1996-09-01 00:00:00

abstract：:We isolated mutant YM644, which showed elevated resistance to norfloxacin, ethidium bromide, acriflavine, and rhodamine 6G, from Pseudomonas aeruginosa YM64, a strain that lacks four major multidrug efflux pumps. The genes responsible for the resistance were mexHI-opmD. Elevated ethidium extrusion was observed with ce...

journal_title：Antimicrobial agents and chemotherapy

authors： Sekiya H,Mima T,Morita Y,Kuroda T,Mizushima T,Tsuchiya T

更新日期：2003-09-01 00:00:00

abstract：:Clinical isolates of Klebsiella pneumoniae resistant to carbapenems are being isolated with increasing frequency. Loss of the expression of the major nonspecific porins OmpK35/36 is a frequent feature in these isolates. In this study, we looked for porins that could compensate for the loss of the major porins in carba...

journal_title：Antimicrobial agents and chemotherapy

authors： García-Sureda L,Doménech-Sánchez A,Barbier M,Juan C,Gascó J,Albertí S

更新日期：2011-10-01 00:00:00

abstract：:Ga(3+) is a semimetal element that competes for the iron-binding sites of transporters and enzymes. We investigated the activity of gallium maltolate (GaM), an organic gallium salt with high solubility, against laboratory and clinical strains of methicillin-susceptible Staphylococcus aureus (MSSA), methicillin-resista...

journal_title：Antimicrobial agents and chemotherapy

authors： Baldoni D,Steinhuber A,Zimmerli W,Trampuz A

更新日期：2010-01-01 00:00:00

abstract：:A wide variety of prokaryotic and eukaryotic cells exhibit a multidrug resistance (MDR) phenotype, indicating that resistance to potentially toxic compounds is mediated by their active efflux from the cell. We have sought to determine whether resistance to azoles in some strains of Candida species may be due in part t...

journal_title：Antimicrobial agents and chemotherapy

authors： Clark FS,Parkinson T,Hitchcock CA,Gow NA

更新日期：1996-02-01 00:00:00

abstract：:Artemisinins are peroxidic antimalarial drugs known to be very potent but highly chemically unstable; they degrade in the presence of ferrous iron, Fe(II)-heme, or biological reductants. Less documented is how this translates into chemical stability and antimalarial activity across a range of conditions applying to in...

journal_title：Antimicrobial agents and chemotherapy

authors： Parapini S,Olliaro P,Navaratnam V,Taramelli D,Basilico N

更新日期：2015-07-01 00:00:00

abstract：:Active efflux confers intrinsic resistance to multiple antibiotics in Pseudomonas aeruginosa, including old disused molecules. Beside resistance, intracellular survival is another reason for failure to eradicate bacteria with antibiotics. We evaluated the capacity of polyaminoisoprenyl potentiators (designed as efflux...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang GW,Brunel JM,Bolla JM,Van Bambeke F

更新日期：2020-12-14 00:00:00

abstract：:Ofloxacin, a potent quinolone antibacterial agent, has a tricyclic ring structure with a methyl group attached to the asymmetric carbon at the C-3 position on the oxazine ring. The S isomer (DR-3355) of ofloxacin has antibacterial activity up to 2 orders of magnitude greater than that of the R isomer (DR-3354). This d...

journal_title：Antimicrobial agents and chemotherapy

authors： Morrissey I,Hoshino K,Sato K,Yoshida A,Hayakawa I,Bures MG,Shen LL

更新日期：1996-08-01 00:00:00

abstract：:The opportunistic apicomplexan parasite Toxoplasma gondii damages fetuses in utero and threatens immunocompromised individuals. The toxicity associated with standard antitoxoplasmal therapies, which target the folate pathway, underscores the importance of examining alternative pharmacological strategies. Parasitic pro...

journal_title：Antimicrobial agents and chemotherapy

authors： Sullivan WJ Jr,Dixon SE,Li C,Striepen B,Queener SF

更新日期：2005-06-01 00:00:00

abstract：:The therapeutic effect of intranasally administered enviroxime was tested against naturally occurring common colds. The double-blind evaluation was carried out in Tecumseh, Mich., during a period when rhinoviruses are usually the principal pathogen. Rhinovirus transmission followed the typical pattern during this peri...

journal_title：Antimicrobial agents and chemotherapy

authors： Miller FD,Monto AS,DeLong DC,Exelby A,Bryan ER,Srivastava S

更新日期：1985-01-01 00:00:00

abstract：:As increasing numbers of colistin-resistant bacteria emerge, new therapies are urgently needed to treat infections caused by these pathogens. The discovery of new combination therapies is one important way to solve such problems. Here, we report that the antitumor drug PFK-158 and its analogs PFK-015 and 3PO can exert...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang Y,Wang X,Li X,Dong L,Hu X,Nie T,Lu Y,Lu X,Pang J,Li G,Yang X,Li C,You X

更新日期：2019-06-24 00:00:00

abstract：:A total of 18 strains of Mycobacterium fortuitum, 15 strains of M. chelonei, and 31 strains of M. chelonei-like organisms were tested by both broth microdilution and agar dilution to determine their susceptibility to 34 antimicrobial agents. All strains grew well enough in cation-supplemented Mueller-Hinton broth for ...

journal_title：Antimicrobial agents and chemotherapy

authors： Swenson JM,Thornsberry C,Silcox VA

更新日期：1982-08-01 00:00:00

abstract：:PA-824 is a novel antibacterial agent that has shown in vitro activity against both drug-sensitive and drug-resistant Mycobacterium tuberculosis. The compound's MIC is between 0.015 and 0.25 microg/ml for drug-sensitive strains and between 0.03 and 0.53 microg/ml for drug-resistant strains. In addition, it is active a...

journal_title：Antimicrobial agents and chemotherapy

authors： Ginsberg AM,Laurenzi MW,Rouse DJ,Whitney KD,Spigelman MK

更新日期：2009-09-01 00:00:00

abstract：:Whole-genome sequencing of trimethoprim-resistant Escherichia coli clinical isolates identified a member of the trimethoprim-resistant type II dihydrofolate reductase gene family (dfrB). The dfrB4 gene was located within a class I integron flanked by multiple resistance genes. This arrangement was previously reported ...

journal_title：Antimicrobial agents and chemotherapy

authors： Toulouse JL,Edens TJ,Alejaldre L,Manges AR,Pelletier JN

更新日期：2017-04-24 00:00:00

abstract：:Piperacillin and vancomycin were used as initial empirical therapy for 211 febrile episodes in cancer patients. The response rate in 95 episodes of documented infection was 72%. The response of bacteremias, soft tissue infections, and pneumonias was 78, 71, and 38%, respectively. The response in infections caused by g...

journal_title：Antimicrobial agents and chemotherapy

authors： Jadeja L,Bolivar R,Fainstein V,Keating M,McCredie K,Hay M,Bodey GP

更新日期：1984-09-01 00:00:00