Comparison of the effects of 3'-azidothymidine with those of neutralizing antibodies on simian immunodeficiency virus infection in macrophages.

abstract：:Dihydrofolate reductase-thymidylate synthase (DHFR-TS) is a well-validated antifolate drug target in certain pathogenic apicomplexans, but not in the genus Babesia, including Babesia gibsoni. Therefore, we isolated, cloned, and expressed the wild-type B. gibsoni dhfr-ts gene in Escherichia coli and evaluated the inhib...

journal_title：Antimicrobial agents and chemotherapy

authors： Aboge GO,Jia H,Terkawi MA,Goo YK,Nishikawa Y,Sunaga F,Namikawa K,Tsuji N,Igarashi I,Suzuki H,Fujisaki K,Xuan X

更新日期：2008-11-01 00:00:00

abstract：:In this study, we investigated the in vitro activity of SCH-56592 (SCH), a new triazole antifungal agent. We compared the activity of SCH with those of itraconazole (ITZ) and amphotericin B (AB) against 60 clinical isolates of Aspergillus spp. by using a microtiter format. Incubation was done at 37 degrees C for 48 h,...

journal_title：Antimicrobial agents and chemotherapy

authors： Oakley KL,Moore CB,Denning DW

更新日期：1997-05-01 00:00:00

abstract：:The exogenous control of hepatitis C virus (HCV) replication can be mediated through the inhibition of the RNA-dependent RNA polymerase (RdRp) activity of NS5B. Small-molecule inhibitors of NS5B include nucleoside and nonnucleoside analogs. Here, we report the discovery of a novel class of HCV polymerase nonnucleoside...

journal_title：Antimicrobial agents and chemotherapy

authors： Nyanguile O,Pauwels F,Van den Broeck W,Boutton CW,Quirynen L,Ivens T,van der Helm L,Vandercruyssen G,Mostmans W,Delouvroy F,Dehertogh P,Cummings MD,Bonfanti JF,Simmen KA,Raboisson P

更新日期：2008-12-01 00:00:00

abstract：:A radioimmunoassay system has been developed for the measurement of two major metabolites of 9,3"-diacetylmidecamycin, Mb-6 and Mb-12. A radioimmunoassay for Mb-6 was performed by using anti-Mb-6 serum and a [125I]tyramined Mb-6 derivative as a radiolabeled antigen. The labeled antigen was prepared by the chloramine T...

journal_title：Antimicrobial agents and chemotherapy

authors： Shimada N,Ueda T,Yokoshima T,Umemura K,Shomura T

更新日期：1982-12-01 00:00:00

abstract：:At least four broad-spectrum efflux pumps (Mex) are involved in elevated intrinsic antibiotic resistance as well as in acquired multidrug resistance in Pseudomonas aeruginosa. Substrate specificity of the Mex pumps has been shown to be determined by the cytoplasmic membrane component (MexB, MexD, MexF, and MexY) of th...

journal_title：Antimicrobial agents and chemotherapy

authors： Aires JR,Pechère JC,Van Delden C,Köhler T

更新日期：2002-07-01 00:00:00

abstract：:An ultrasensitive assay utilizing high-pressure liquid chromatography and mass spectrometry detection was developed and validated for the quantification of the antiretrovirals atazanavir (ATV), darunavir (DRV), lopinavir (LPV), ritonavir (RTV), and efavirenz (EFV) in human mononuclear cell (MNC) extracts. The assay ut...

journal_title：Antimicrobial agents and chemotherapy

authors： Podany AT,Winchester LC,Robbins BL,Fletcher CV

更新日期：2014-05-01 00:00:00

abstract：:The emergence of artemisinin-resistant Plasmodium falciparum poses a major threat to current frontline artemisinin combination therapies. Artemisinin resistance is widely associated with mutations in the P. falciparum Kelch13 (PfKelch13) propeller region, leading to delayed parasite clearance and increased survival of...

journal_title：Antimicrobial agents and chemotherapy

authors： Tong JX,Ang SEL,Tan EHN,Tan KSW

更新日期：2019-03-27 00:00:00

abstract：:We have used the endogenous reverse transcriptase reaction of viral core particles from duck liver to elucidate the mechanism of inhibition of duck hepatitis B virus (DHBV) replication by the nucleoside analog (-)-beta-L-2',3'-dideoxy-3'-thiacytidine (3TC). As is the case in human immunodeficiency virus replication, 3...

journal_title：Antimicrobial agents and chemotherapy

authors： Severini A,Liu XY,Wilson JS,Tyrrell DL

更新日期：1995-07-01 00:00:00

abstract：:It has recently become apparent that inflammatory reactions including nitric oxide (NO) release contribute to the outcome of pulmonary infections. To investigate the effect of N(G)-monomethyl-L-arginine (L-NMMA), a NO synthase inhibitor, on the pathogenesis of pneumococcal pneumonia, we inoculated CD(1) Swiss mice wit...

journal_title：Antimicrobial agents and chemotherapy

authors： Bergeron Y,Ouellet N,Simard M,Olivier M,Bergeron MG

更新日期：1999-09-01 00:00:00

abstract：:The rate of nonsusceptibility of penicillin-resistant Streptococcus pneumoniae strains to ceftriaxone increased significantly in Taiwan in 2005. Approximately 90% of the ceftriaxone-nonsusceptible isolates were found to be of four major serotypes (serotypes 6B, 14, 19F, and 23F). Seven amino acid alterations in the pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiu CH,Su LH,Huang YC,Lai JC,Chen HL,Wu TL,Lin TY

更新日期：2007-09-01 00:00:00

abstract：:Lupeol, which shows in vitro inhibitory activity against Plasmodium falciparum 3D7 strain with a 50% inhibitory concentration (IC50) of 27.7 +/- 0.5 microM, was shown to cause a transformation of the human erythrocyte shape toward that of stomatocytes. Good correlation between the IC50 value and the membrane curvature...

journal_title：Antimicrobial agents and chemotherapy

authors： Ziegler HL,Staerk D,Christensen J,Hviid L,Hägerstrand H,Jaroszewski JW

更新日期：2002-05-01 00:00:00

abstract：:Recently, the first Neisseria gonorrhoeae strain (H041) highly resistant to the expanded-spectrum cephalosporins (ESCs) ceftriaxone and cefixime, which are the last remaining options for first-line gonorrhea treatment, was isolated in Japan. Here, we confirm and characterize a second strain (F89) with high-level cefix...

journal_title：Antimicrobial agents and chemotherapy

authors： Unemo M,Golparian D,Nicholas R,Ohnishi M,Gallay A,Sednaoui P

更新日期：2012-03-01 00:00:00

abstract：:Eravacycline (TP-434 or 7-fluoro-9-pyrrolidinoacetamido-6-demethyl-6-deoxytetracycline) is a novel fluorocycline that was evaluated for antimicrobial activity against panels of recently isolated aerobic and anaerobic Gram-negative and Gram-positive bacteria. Eravacycline showed potent broad-spectrum activity against 9...

journal_title：Antimicrobial agents and chemotherapy

authors： Sutcliffe JA,O'Brien W,Fyfe C,Grossman TH

更新日期：2013-11-01 00:00:00

abstract：:Ceftaroline fosamil is a cephalosporin with activity against Gram-positive pathogens, including methicillin-resistant Staphylococcus aureus (MRSA). The objective of this study was to characterize the dose-response relationship of ceftaroline fosamil against S. aureus in an immunocompromised murine pneumonia model, as ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bhalodi AA,Crandon JL,Biek D,Nicolau DP

更新日期：2012-12-01 00:00:00

abstract：:Fosfomycin tromethamine (previously fosfomycin trometamol) is an orally administered fosfomycin which may be used for single-dose therapy of uncomplicated urinary tract infections. Fosfomycin tromethamine, norfloxacin, and trimethoprim-sulfamethoxazole inhibited greater than 90% of 352 bacterial isolates representing ...

journal_title：Antimicrobial agents and chemotherapy

authors： Barry AL,Fuchs PC

更新日期：1991-06-01 00:00:00

abstract：:Drug susceptibility tests (DSTs) for Mycobacterium tuberculosis require at least 7 days of incubation. Drugs that are unstable at 37°C, such as ertapenem, are likely to be degraded before killing or inhibiting slow-growing bacteria. This would alter the MICs of these drugs, including ertapenem, leading to falsely high...

journal_title：Antimicrobial agents and chemotherapy

authors： Srivastava S,van Rijn SP,Wessels AM,Alffenaar JW,Gumbo T

更新日期：2016-04-22 00:00:00

abstract：:The topical delivery of liposomally encapsulated interferon was evaluated in the cutaneous herpes simplex virus guinea pig model. Application of liposomally entrapped interferon caused a reduction of lesion scores, whereas application of interferon formulated as a solution or as an emulsion was ineffective. The method...

journal_title：Antimicrobial agents and chemotherapy

authors： Weiner N,Williams N,Birch G,Ramachandran C,Shipman C Jr,Flynn G

更新日期：1989-08-01 00:00:00

abstract：:Lysobactor enzymogenes strain OH11 is an emerging biological control agent of fungal and bacterial diseases. We recently completed its genome sequence and found it contains a large number of gene clusters putatively responsible for the biosynthesis of nonribosomal peptides and polyketides, including the previously ide...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang W,Li Y,Qian G,Wang Y,Chen H,Li YZ,Liu F,Shen Y,Du L

更新日期：2011-12-01 00:00:00

abstract：:Highly drug-resistant Salmonella enterica serovar Indiana became the most common serovar in broilers with diarrhea in China over the course of this study (15% in 2010 to 70% in 2014). While most S. Indiana isolates (87%, 384/440) were resistant to 13 to 16 of the 16 antibiotics tested, 89% of non-S. Indiana isolates (...

journal_title：Antimicrobial agents and chemotherapy

authors： Gong J,Wang C,Shi S,Bao H,Zhu C,Kelly P,Zhuang L,Lu G,Dou X,Wang R,Xu B,Zou J

更新日期：2016-01-11 00:00:00

abstract：:We have previously identified a target site in HIV-1 RNA that was particularly accessible to a ribozyme and a short hairpin RNA (shRNA). To design small interfering RNAs (siRNAs) targeting this site, we evaluated the effects of siRNAs with different lengths on HIV-1 production. The potency and efficacy of these siRNAs...

journal_title：Antimicrobial agents and chemotherapy

authors： Scarborough RJ,Adams KL,Daher A,Gatignol A

更新日期：2015-09-01 00:00:00

abstract：:Preclinical animal models informing antimalarial drug development are scarce. We have used asexual erythrocytic Plasmodium cynomolgi infections of rhesus macaques to model Plasmodium vivax during preclinical development of compounds targeting parasite phospholipid synthesis. Using this malaria model, we accumulated da...

journal_title：Antimicrobial agents and chemotherapy

authors： Kocken CH,Remarque EJ,Dubbeld MA,Wein S,van der Wel A,Verburgh RJ,Vial HJ,Thomas AW

更新日期：2009-02-01 00:00:00

abstract：:There are several major differences between the penicillin-binding proteins (PBPs) of highly penicillin-resistant and -susceptible strains of pneumococci. The highest-molecular-size PBP 1a (98 kilodaltons [kDa]) of susceptible pneumococci is not detectable in resistant bacteria. Instead, resistant strains contain a PB...

journal_title：Antimicrobial agents and chemotherapy

authors： Hakenbeck R,Ellerbrok H,Briese T,Handwerger S,Tomasz A

更新日期：1986-10-01 00:00:00

abstract：:We report a microanalytical high-performance liquid chromatography method for quantitation of cefpirome (HR 810) from serum. The drug was extracted from 0.05 ml of serum with 0.2 ml of isopropanol containing beta-hydroxypropyltheophylline, the internal standard. Separations were performed on a C18 column at ambient te...

journal_title：Antimicrobial agents and chemotherapy

authors： Turley CP,Kearns GL,Jacobs RF

更新日期：1988-10-01 00:00:00

abstract：:Disseminated infections caused by the Mycobacterium avium-M. intracellulare complex (MAC) are the most frequent opportunistic bacterial infections in patients with AIDS. MAC isolates are resistant to many of the standard antituberculous drugs. Failure to obtain significant activities of certain drugs is due to difficu...

journal_title：Antimicrobial agents and chemotherapy

authors： Mehta RT

更新日期：1996-08-01 00:00:00

abstract：:The effect of foscarnet against human immunodeficiency virus (HIV) was evaluated in nine HIV-infected individuals; six completed 28 days of induction therapy. The overall mean increase in CD4+ lymphocytes was 64 cells per mm3. The mean decline in the HIV antigen concentration was 108 pg/ml (P = 0.03), and suppression ...

journal_title：Antimicrobial agents and chemotherapy

authors： Fletcher CV,Collier AC,Rhame FS,Bennett D,Para MF,Beatty CC,Jones CE,Balfour HH Jr

更新日期：1994-03-01 00:00:00

abstract：:Despite the documented benefit of voriconazole therapeutic drug monitoring, nonlinear pharmacokinetics make the timing of steady-state trough sampling and appropriate dose adjustments unpredictable by conventional methods. We developed a nonparametric population model with data from 141 previously richly sampled child...

journal_title：Antimicrobial agents and chemotherapy

authors： Neely M,Margol A,Fu X,van Guilder M,Bayard D,Schumitzky A,Orbach R,Liu S,Louie S,Hope W

更新日期：2015-01-01 00:00:00

abstract：:The Autobac I system was used to evaluate the antibiotic susceptibility pattern of methicillin-resistant Staphylococcus aureus isolates. The results of the Autobac I were compared with the results of the disk diffusion method. The disk diffusion susceptibility pattern showed resistance to methicillin/oxacillin, penici...

journal_title：Antimicrobial agents and chemotherapy

authors： Cleary TJ,Maurer D

更新日期：1978-05-01 00:00:00

abstract：:Despite dose-limiting nephrotoxicity concerns, polymyxin B has resurged as the treatment of last resort for multidrug-resistant Gram-negative bacterial infections. However, the pharmacokinetic, pharmacodynamic, and nephrotoxic properties of polymyxin B still are not thoroughly understood. The objective of this study w...

journal_title：Antimicrobial agents and chemotherapy

authors： Manchandani P,Zhou J,Ledesma KR,Truong LD,Chow DS,Eriksen JL,Tam VH

更新日期：2015-12-07 00:00:00

abstract：:Penciclovir (PCV) and acyclovir are acyclic guanine analogs which inhibit herpes simplex virus (HSV) DNA polymerase. Their 50% infective doses were 0.5 to 0.8 microgram/ml for clinical isolates of HSV-1 and 1.3 to 2.2 micrograms/ml for HSV-2. Furthermore, HSV-infected cultures receiving 2-h pulses of PCV had 2- to 50-...

journal_title：Antimicrobial agents and chemotherapy

authors： Weinberg A,Bate BJ,Masters HB,Schneider SA,Clark JC,Wren CG,Allaman JA,Levin MJ

更新日期：1992-09-01 00:00:00

abstract：:GS-9148 is an investigational phosphonate nucleotide analogue inhibitor of reverse transcriptase (RT) (NtRTI) of human immunodeficiency virus type 1 (HIV-1). This compound is an adenosine derivative with a 2',3'-dihydrofuran ring structure that contains a 2'-fluoro group. The resistance profile of GS-9148 is unique in...

journal_title：Antimicrobial agents and chemotherapy

authors： Scarth BJ,White KL,Chen JM,Lansdon EB,Swaminathan S,Miller MD,Götte M

更新日期：2011-06-01 00:00:00