Bactericidal titers of loracarbef (LY 163892) in serum and killing rates in volunteers receiving 400 versus 200 milligrams.

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：:We previously showed that the mouse inorganic phosphate transporter Npt1 operates in the hepatic sinusoidal membrane transport of anionic drugs such as benzylpenicillin and mevalonic acid. In the present study, the mechanism of renal secretion of penem antibiotics was examined by using a Xenopus oocyte expression syst...

journal_title：Antimicrobial agents and chemotherapy

authors： Uchino H,Tamai I,Yabuuchi H,China K,Miyamoto K,Takeda E,Tsuji A

更新日期：2000-03-01 00:00:00

abstract：:The present population pharmacokinetic (PK) and pharmacodynamic (PD) study modeled the effects of covariates including drug adherence and the coadministration of protease inhibitors (PIs) on the pharmacokinetics of efavirenz (EFV) and the relationship between EFV exposure and virological failure in patients who failed...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfister M,Labbé L,Hammer SM,Mellors J,Bennett KK,Rosenkranz S,Sheiner LB,Adult AIDS Clinical Trial Group Study 398.

更新日期：2003-01-01 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：:The frequencies of tetracycline resistance determinants of the classes A, B, C, and D were determined in 53 non-lactose-fermenting clinical isolates. The most frequent class of determinant in Salmonella typhimurium and Shigella flexneri strains was class B; however, the predominant determinant in Shigella sonnei strai...

journal_title：Antimicrobial agents and chemotherapy

authors： Martínez-Salazar JM,Alvarez G,Gómez-Eichelmann MC

更新日期：1986-10-01 00:00:00

abstract：:Minimal inhibitory concentrations (MICs) and minimal bactericidal concentrations (MBCs) of penicillin, ampicillin, cefoxitin, and cefuroxime were determined for 103 beta-lactamase-negative Neisseria gonorrhoeae clinical isolates belonging to five different auxotypes. MBC determinations were base on killing 99.9% of th...

journal_title：Antimicrobial agents and chemotherapy

authors： de Repentigny L,Turgeon PL

更新日期：1981-04-01 00:00:00

abstract：:ColE1 plasmids are small mobilizable replicons that play an important role in the spread of antibiotic resistance in Pasteurellaceae In this study, we describe how a natural single nucleotide polymorphism (SNP) near the origin of replication of the ColE1-type plasmid pB1000 found in a Pasteurella multocida clinical is...

journal_title：Antimicrobial agents and chemotherapy

authors： Santos-Lopez A,Bernabe-Balas C,Ares-Arroyo M,Ortega-Huedo R,Hoefer A,San Millan A,Gonzalez-Zorn B

更新日期：2017-01-24 00:00:00

abstract：:Phosphonoformate was found to be an inhibitor of the deoxyribonucleic acid polymerase induced by the herpesvirus of turkeys. The apparent inhibition constants were 1 to 3 muM. Phosphonoformate was also able to block the replication in cell culture of Marek's disease herpesvirus, the herpesvirus of turkeys, and herpes ...

journal_title：Antimicrobial agents and chemotherapy

authors： Reno JM,Lee LF,Boezi JA

更新日期：1978-02-01 00:00:00

abstract：:We evaluated the antituberculosis (anti-TB) activity of five β-lactams alone or in combination with β-lactamase inhibitors against 41 clinical isolates of Mycobacterium tuberculosis, including multidrug-resistant and extensively drug-resistant strains. Of those, tebipenem, an oral carbapenem, showed the most potent an...

journal_title：Antimicrobial agents and chemotherapy

authors： Horita Y,Maeda S,Kazumi Y,Doi N

更新日期：2014-11-01 00:00:00

abstract：:We determined the antibiotic susceptibilities of 1,785 enterococcal bloodstream isolates collected over 25 years. Antibiotic resistance emerged at a greater rate in Enterococcus faecium than in other enterococcal species, and E. faecium isolates became proportionally more common over time. Our findings confirm the pat...

journal_title：Antimicrobial agents and chemotherapy

authors： Murdoch DR,Mirrett S,Harrell LJ,Monahan JS,Reller LB

更新日期：2002-11-01 00:00:00

abstract：:The motility of viable Trichomonas vaginalis organisms is readily demonstrable in a clinical wet mount or cultured specimens. We attempted to determine whether migration is a dynamic process such that the organisms move to avoid exposure to toxic antimicrobial agents. With the use of axenic cultures of T. vaginalis th...

journal_title：Antimicrobial agents and chemotherapy

authors： Sugarman B,Mummaw N

更新日期：1988-09-01 00:00:00

abstract：:The class A carbapenemase KPC-6 produces resistance to a broad range of β-lactam antibiotics. This enzyme hydrolyzes penicillins, the monobactam aztreonam, and carbapenems with similar catalytic efficiencies, ranging from 10(5) to 10(6) M(-1) s(-1). The catalytic efficiencies of KPC-6 against cephems vary to a greater...

journal_title：Antimicrobial agents and chemotherapy

authors： Lamoureaux TL,Frase H,Antunes NT,Vakulenko SB

更新日期：2012-11-01 00:00:00

abstract：:AG205 was identified from high-throughput screening as a potent inhibitor of FabK, the enoyl-ACP reductase in Streptococcus pneumoniae. Specific inhibition of lipid biosynthesis in a macromolecular biosynthesis assay and identification of an Ala141Ser substitution in FabK from spontaneous AG205-resistant mutants indic...

journal_title：Antimicrobial agents and chemotherapy

authors： Takahata S,Iida M,Osaki Y,Saito J,Kitagawa H,Ozawa T,Yoshida T,Hoshiko S

更新日期：2006-08-01 00:00:00

abstract：:An indirect mouse model was utilized to evaluate the antiviral activity of several compounds against Venezuelan equine encephalomyelitis (VEE) virus infection in mice. Mice were given various dosages of lysine-stabilized polyriboinosinic acid-polyribocytidylic acid, a tilorone analogue, kethoxal, or mepacrine before a...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuehne RW,Pannier WL,Stephen EL

更新日期：1977-04-01 00:00:00

abstract：:Pyrosequencing was used to detect rapidly and estimate the number of 23S rRNA genes with a G2576T mutation in 43 linezolid-resistant and -susceptible clinical isolates of enterococci. The method showed 100% concordance with PCR-restriction fragment length polymorphism for detecting isolates homozygous for either G2576...

journal_title：Antimicrobial agents and chemotherapy

authors： Sinclair A,Arnold C,Woodford N

更新日期：2003-11-01 00:00:00

abstract：:WR99210, a dihydrofolate reductase inhibitor, has promising in vitro activity against Mycobacterium avium complex (MAC). The in vitro activities of WR99210 alone and in combination with a fixed concentration of dapsone (0.5 microgram/ml) were evaluated against 35 clinical MAC isolates by a broth dilution method. The M...

journal_title：Antimicrobial agents and chemotherapy

authors： Shah LM,DeStefano MS,Cynamon MH

更新日期：1996-11-01 00:00:00

abstract：:To study whether the capability of horizontal DNA transfer is associated with metronidazole resistance in Helicobacter pylori, a total of 81 clinical isolates were tested for MICs of metronidazole (MTZ). The MIC assays were performed by using the E-test and reconfirmed by the agar dilution method. Natural competence a...

journal_title：Antimicrobial agents and chemotherapy

authors： Yeh YC,Chang KC,Yang JC,Fang CT,Wang JT

更新日期：2002-05-01 00:00:00

abstract：:Resistance to the recently approved nonnucleoside reverse transcriptase inhibitor (NNRTI) rilpivirine (RPV) commonly involves substitutions at positions E138K and K101E in HIV-1 reverse transcriptase (RT), together with an M184I substitution that is associated with resistance to coutilized emtricitabine (FTC). Previou...

journal_title：Antimicrobial agents and chemotherapy

authors： Xu HT,Colby-Germinario SP,Huang W,Oliveira M,Han Y,Quan Y,Petropoulos CJ,Wainberg MA

更新日期：2013-11-01 00:00:00

abstract：:The mortality rate associated with Vibrio vulnificus sepsis remains high. An in vitro time-kill assay revealed synergism between tigecycline and ciprofloxacin. The survival rate was significantly higher in mice treated with tigecycline plus ciprofloxacin than in mice treated with cefotaxime plus minocycline. Thus, com...

journal_title：Antimicrobial agents and chemotherapy

authors： Kim SE,Kim HK,Choi SM,Yu Y,Kim UJ,Darboe KS,Kang SJ,Park KH,Kang G,Kim YR,Rhee JH,Jung SI,Jang HC

更新日期：2019-09-23 00:00:00

abstract：:DS86760016 is a new leucyl-tRNA-synthetase inhibitor at the preclinical development stage. DS86760016 showed potent activity against extended-spectrum multidrug-resistant Pseudomonas aeruginosa isolated from clinical samples and in vitro biofilms. In a murine catheter-associated urinary tract infection model, DS867600...

journal_title：Antimicrobial agents and chemotherapy

authors： Kumar M,Rao M,Purnapatre KP,Barman TK,Joshi V,Kashyap A,Chaira T,Bambal RB,Pandya M,Khodor SA,Upadhyay DJ,Masuda N

更新日期：2019-03-27 00:00:00

abstract：:Azole antifungal agents such as fluconazole exhibit fungistatic activity against Candida albicans. Strategies to enhance azole antifungal activity would be therapeutically appealing. In an effort to identify transcriptional pathways that influence the killing activity of fluconazole, we sought to identify transcriptio...

journal_title：Antimicrobial agents and chemotherapy

authors： Vasicek EM,Berkow EL,Bruno VM,Mitchell AP,Wiederhold NP,Barker KS,Rogers PD

更新日期：2014-11-01 00:00:00

abstract：:The in vitro activity of OPC-17116, a new C-5 methyl fluoroquinolone, was compared with the activities of other fluoroquinolones. OPC-17116 inhibited 50% of the members of the family Enterobacteriaceae tested and 90% of Haemophilus influenzae, Neisseria species, and Moraxella catarrhalis isolates at less than or equal...

journal_title：Antimicrobial agents and chemotherapy

authors： Neu HC,Fang W,Gu JW,Chin NX

更新日期：1992-06-01 00:00:00

abstract：:High-dose clindamycin (CLDM) and benzylpenicillin (PCG) are the recommended chemotherapeutic remedies for toxic shock-like syndrome caused by group A streptococci. One reason for this is that it has been shown that CLDM suppresses the expression of some exoproteins, e.g., SpeB, SpeA, and streptolysin O (Slo). We analy...

journal_title：Antimicrobial agents and chemotherapy

authors： Tanaka M,Hasegawa T,Okamoto A,Torii K,Ohta M

更新日期：2005-01-01 00:00:00

abstract：:Caspofungin acetate is an antifungal antibiotic that inhibits synthesis of 1,3-beta-D-glucan, an essential component of the fungal cell wall. While caspofungin causes cell death in yeasts and dimorphic fungi such as Candida albicans, its effect on Aspergillus fumigatus is less well understood. We used the fluorescent ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bowman JC,Hicks PS,Kurtz MB,Rosen H,Schmatz DM,Liberator PA,Douglas CM

更新日期：2002-09-01 00:00:00

abstract：:An increase in the incidence of rare but hard-to-treat invasive fungal pathogens as well as resistance to the currently available antifungal drugs calls for new broad-spectrum antifungals with a novel mechanism of action. Here we report the identification and characterization of two novel zinc-attenuating compounds, Z...

journal_title：Antimicrobial agents and chemotherapy

authors： Cohrt KAO,Marín L,Kjellerup L,Clausen JD,Dalby-Brown W,Calera JA,Winther AL

更新日期：2018-04-26 00:00:00

abstract：:BMS-207147, Sch 56592, and voriconazole are three new investigational triazoles with broad-spectrum antifungal activity. The in vitro activities of these three agents were compared with those of itraconazole and fluconazole against 1,300 bloodstream isolates of Candida species obtained from over 50 different medical c...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfaller MA,Messer SA,Hollis RJ,Jones RN,Doern GV,Brandt ME,Hajjeh RA

更新日期：1998-12-01 00:00:00

abstract：:The discovery of antibiotics in the last century is considered one of the most important achievements in the history of medicine. Antibiotic usage has significantly reduced morbidity and mortality associated with bacterial infections. However, inappropriate use of antibiotics has led to emergence of antibiotic resista...

journal_title：Antimicrobial agents and chemotherapy

authors： Ghosh D,Veeraraghavan B,Elangovan R,Vivekanandan P

更新日期：2020-01-27 00:00:00

abstract：:The activities of 25 8-aminoquinolines were compared in tests assessing the ability of the compounds to inhibit the growth of Pneumocystis carinii in culture. Six compounds were effective at or below 0.03 microM: CDRI 80/53, NSC19894, NSC305805, NSC305812, WR182234, and primaquine. Four others were effective at betwee...

journal_title：Antimicrobial agents and chemotherapy

authors： Queener SF,Bartlett MS,Nasr M,Smith JW

更新日期：1993-10-01 00:00:00

abstract：:The binding of the outer membrane-disorganizing peptide polymyxin B nonapeptide (PMBN) to gram-negative bacteria was studied by using tritium-labeled PMBN. Smooth Salmonella typhimurium had a binding capacity of ca. 6 nmol of PMBN per mg (dry weight) of bacteria, which corresponds to ca. 1 X 10(6) to 2 X 10(6) molecul...

journal_title：Antimicrobial agents and chemotherapy

authors： Vaara M,Viljanen P

更新日期：1985-04-01 00:00:00

abstract：:The in vitro activities of ACH-702 and other antimicrobials against 30 Nocardia brasiliensis isolates were tested. The MIC(50) (MIC for 50% of the strains tested) and MIC(90) values of ACH-702 were 0.125 and 0.5 microg/ml. The same values for econazole were 2 and 4 microg/ml. The MIC(50) and MIC(90) values of imipenem...

journal_title：Antimicrobial agents and chemotherapy

authors： Vera-Cabrera L,Campos-Rivera MP,Escalante-Fuentes WG,Pucci MJ,Ocampo-Candiani J,Welsh O

更新日期：2010-05-01 00:00:00