Purification and characterization of an avian myeloblastosis and human immunodeficiency virus reverse transcriptase inhibitor, sulfated polysaccharides extracted from sea algae.

abstract：:Letermovir, GW275175X (a benzimidazole), and tomeglovir (Bay38-4766) are chemically unrelated human cytomegalovirus (CMV) terminase complex inhibitors that have been tested in human subjects. UL56 gene mutations are the dominant pathway of letermovir resistance, while UL89 and UL56 mutations are known to confer benzim...

journal_title：Antimicrobial agents and chemotherapy

authors： Chou S

更新日期：2017-10-24 00:00:00

abstract：:S. aureus combats cell wall antibiotic stress by altered gene expression mediated by various environmental signal sensors. In this study, we examined the transcriptional regulation of trfA, a gene related to mecA of Bacillus subtilis encoding an adaptor protein implicated in multiple roles, notably, proteolysis and ge...

journal_title：Antimicrobial agents and chemotherapy

authors： Jousselin A,Kelley WL,Barras C,Lew DP,Renzoni A

更新日期：2013-07-01 00:00:00

abstract：:Multidrug resistance (MDR) is a major problem in the treatment of infectious diseases and cancer. Accumulating evidence suggests that the cyclooxygenase-2 (COX-2)-specific inhibitor celecoxib would not only inhibit COX-2 but also help in the reversal of drug resistance in cancers by inhibiting the MDR1 efflux pump. He...

journal_title：Antimicrobial agents and chemotherapy

authors： Kalle AM,Rizvi A

更新日期：2011-01-01 00:00:00

abstract：:Determinations of doxycycline 50% inhibitory concentrations (IC50) for 620 isolates from northwest Thailand were performed via the isotopic method, and the data were analyzed by the Bayesian method and distributed into two populations (mean IC50s of 13.15 μM and 31.60 μM). There was no significant difference between t...

journal_title：Antimicrobial agents and chemotherapy

authors： Gaillard T,Sriprawat K,Briolant S,Wangsing C,Wurtz N,Baragatti M,Lavina M,Pascual A,Nosten F,Pradines B

更新日期：2015-08-01 00:00:00

abstract：:The report describes the establishment and characterization of a mouse xenograft transplantation model for the study of papillomavirus infection of bovine skin. Calf scrotal skin was inoculated with bovine papillomavirus type 2 before grafting it to the dorsum of severe combined immunodeficient mice. The grafted skin ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pawellek A,Hewlett G,Kreuter J,Rübsamen-Waigmann H,Weber O

更新日期：2001-04-01 00:00:00

abstract：:Within wounds, microorganisms predominantly exist as biofilms. Biofilms are associated with chronic infections and represent a tremendous clinical challenge. As antibiotics are often ineffective against biofilms, use of dispersal agents as adjunctive, topical therapies for the treatment of wound infections involving b...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanchez CJ Jr,Akers KS,Romano DR,Woodbury RL,Hardy SK,Murray CK,Wenke JC

更新日期：2014-08-01 00:00:00

abstract：:We report the capacity of copper oxide-containing filters to reduce infectious titers of a panel of viruses spiked into culture media. Enveloped, nonenveloped, RNA, and DNA viruses were affected, suggesting the possibility of using copper oxide-containing devices to deactivate a wide spectrum of infectious viruses fou...

journal_title：Antimicrobial agents and chemotherapy

authors： Borkow G,Sidwell RW,Smee DF,Barnard DL,Morrey JD,Lara-Villegas HH,Shemer-Avni Y,Gabbay J

更新日期：2007-07-01 00:00:00

abstract：:Herpes simplex ocular infection is a major cause of corneal blindness. Local antiviral treatments exist but are associated with corneal toxicity, and resistance has become an issue. We evaluated the biodistribution and efficacy of a humanized anti-herpes simplex virus (anti-HSV) IgG FAb fragment (AC-8; 53 kDa) followi...

journal_title：Antimicrobial agents and chemotherapy

authors： Berdugo M,Larsen IV,Abadie C,Deloche C,Kowalczuk L,Touchard E,Dubielzig R,Brandt CR,Behar-Cohen F,Combette JM

更新日期：2012-03-01 00:00:00

abstract：:The in vitro activity of tebipenem (TBM), a new oral carbapenem antibiotic, against Streptococcus pneumoniae clinical isolates (n = 202) was compared with those of 15 reference agents. The isolates were classified into five genotypic classes after PCR identification of abnormal pbp1a, pbp2x, and pbp2b genes: (i) penic...

journal_title：Antimicrobial agents and chemotherapy

authors： Kobayashi R,Konomi M,Hasegawa K,Morozumi M,Sunakawa K,Ubukata K

更新日期：2005-03-01 00:00:00

abstract：:Bacterial protein synthesis is the target for numerous natural and synthetic antibacterial agents. We have developed a poly(U) mRNA-directed aminoacylation/translation protein synthesis system composed of phenyl-tRNA synthetases, ribosomes, and ribosomal factors from Escherichia coli. This system, utilizing purified c...

journal_title：Antimicrobial agents and chemotherapy

authors： Ribble W,Hill WE,Ochsner UA,Jarvis TC,Guiles JW,Janjic N,Bullard JM

更新日期：2010-11-01 00:00:00

abstract：:Various doses of amphotericin B encapsulated into unilamellar vesicles of 0.1 micron diameter (lip-AMB) (1.0 to 20.0 mg/kg of body weight) were compared with free amphotericin B (AMB) (0.5 to 2.0 mg/kg of body weight) in a murine model of disseminated candidiasis. CD2F1 mice injected intravenously with 3 x 10(5) Candi...

journal_title：Antimicrobial agents and chemotherapy

authors： Gondal JA,Swartz RP,Rahman A

更新日期：1989-09-01 00:00:00

abstract：:The echinocandins are a class of semisynthetic natural products that target β-1,3-glucan synthase (GS). Their proven clinical efficacy combined with minimal safety issues has made the echinocandins an important asset in the management of fungal infection in a variety of patient populations. However, the echinocandins ...

journal_title：Antimicrobial agents and chemotherapy

authors： Walker SS,Xu Y,Triantafyllou I,Waldman MF,Mendrick C,Brown N,Mann P,Chau A,Patel R,Bauman N,Norris C,Antonacci B,Gurnani M,Cacciapuoti A,McNicholas PM,Wainhaus S,Herr RJ,Kuang R,Aslanian RG,Ting PC,Black TA

更新日期：2011-11-01 00:00:00

abstract：:The cyclohexane triones are a novel group of synthetic antibacterial agents that are active against gram-positive bacteria, Haemophilus influenzae, and Mycobacterium smegmatis. In general, these compounds behaved in a manner similar to that of hexachlorophene, inhibiting the transport of low-molecular-weight hydrophil...

journal_title：Antimicrobial agents and chemotherapy

authors： Lloyd WJ,Broadhurst AV,Hall MJ,Andrews KJ,Barber WE,Wong-Kai-In P

更新日期：1988-06-01 00:00:00

abstract：:Several classes of antibiotics exert antimalarial activity. The mechanisms of action of antibiotics against malaria parasites have been unclear, and prior studies have led to conflicting results, in part because they studied antibiotics at suprapharmacological concentrations. We examined the antimalarial effects of az...

journal_title：Antimicrobial agents and chemotherapy

authors： Dahl EL,Rosenthal PJ

更新日期：2007-10-01 00:00:00

abstract：:Moxifloxacin has enhanced potency against Staphylococcus aureus, lower propensity to select for resistant mutants, and higher bactericidal activity against highly resistant strains than ciprofloxacin. Despite similar activity against purified S. aureus topoisomerase IV and DNA gyrase, it selects for topoisomerase IV m...

journal_title：Antimicrobial agents and chemotherapy

authors： Ince D,Zhang X,Hooper DC

更新日期：2003-04-01 00:00:00

abstract：:The oxazolidinones are a novel class of antibiotics that inhibit initiation of protein synthesis in bacteria. In order to investigate their novel mechanism of action, the interactions of several oxazolidinones with bacterial 70S ribosomes, 50S subunits, and 30S subunits have been characterized by (1)H nuclear magnetic...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhou CC,Swaney SM,Shinabarger DL,Stockman BJ

更新日期：2002-03-01 00:00:00

abstract：:The respiratory syncytial virus (RSV) L protein is a viral RNA-dependent RNA polymerase that contains multiple enzyme activities required for RSV replication. The RSV L inhibitors described in literature are limited by their cytotoxicity or the lack of RSV B subtype coverage. Here, we characterize a new RSV L inhibito...

journal_title：Antimicrobial agents and chemotherapy

authors： Tiong-Yip CL,Aschenbrenner L,Johnson KD,McLaughlin RE,Fan J,Challa S,Xiong H,Yu Q

更新日期：2014-07-01 00:00:00

abstract：:Fungal infections, especially infections caused by Candida albicans, remain a challenging problem in clinical settings. Despite the development of more-effective antifungal drugs, their application is limited for various reasons. Thus, alternative treatments with drugs aimed at novel targets in C. albicans are needed....

journal_title：Antimicrobial agents and chemotherapy

authors： Li X,Hou Y,Yue L,Liu S,Du J,Sun S

更新日期：2015-10-01 00:00:00

abstract：:The pharmacokinetic disposition of 2 g of cefoxitin administered intravenously over 30 min was determined in six patients undergoing continuous ambulatory peritoneal dialysis for chronic renal failure. During the 6-h dialysate dwell time after the drug infusion, the mean apparent volume of distribution for cefoxitin w...

journal_title：Antimicrobial agents and chemotherapy

authors： Greaves WL,Kreeft JH,Ogilvie RI,Richards GK

更新日期：1981-02-01 00:00:00

abstract：:To investigate the occurrence of multinucleoside analog resistance during therapy failure, we surveyed the drug susceptibilities and genotypes of nearly 900 human immunodeficiency virus type 1 (HIV-1) samples. For 302 of these, the 50% inhibitory concentrations of at least four of the approved nucleoside analogs had f...

journal_title：Antimicrobial agents and chemotherapy

authors： Larder BA,Bloor S,Kemp SD,Hertogs K,Desmet RL,Miller V,Sturmer M,Staszewski S,Ren J,Stammers DK,Stuart DI,Pauwels R

更新日期：1999-08-01 00:00:00

abstract：:Thirty-nine patients with uncomplicated gonorrhea were randomized to receive single, oral 50-, 100-, or 200-mg doses of trovafloxacin (CP-99,219), a new quinolone antibiotic. All 31 evaluable patients were cured of infection. Trovafloxacin was well tolerated. The trovafloxacin MICs at which 50 and 90% of 36 Neisseria ...

journal_title：Antimicrobial agents and chemotherapy

authors： Hook EW 3rd,Pinson GB,Blalock CJ,Johnson RB

更新日期：1996-07-01 00:00:00

abstract：:The influence of inhibitors of P-glycoprotein (verapamil [VE], cyclosporine [CY], and GF120918 [GF]) on the cell handling of macrolides (erythromycin [ERY], clarithromycin [CLR], roxithromycin [ROX], azithromycin [AZM], and telithromycin [TEL]) was examined in J774 murine macrophages. The net influx rates of AZM and T...

journal_title：Antimicrobial agents and chemotherapy

authors： Seral C,Michot JM,Chanteux H,Mingeot-Leclercq MP,Tulkens PM,Van Bambeke F

更新日期：2003-03-01 00:00:00

abstract：:A total of 201 critically ill patients were studied during 267 courses of gentamicin or tobramycin treatment (139 gentamicin courses and 128 tobramycin courses). Of these 267 courses, pharmacokinetic and clinical data were obtained for 240 (120 gentamicin and 120 tobramycin). The data collected for pharmacokinetic ana...

journal_title：Antimicrobial agents and chemotherapy

authors： Schentag JJ,Plaut ME,Cerra FB

更新日期：1981-05-01 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：:Despite the development of novel antibiotics active against Gram-positive bacteria, vancomycin generally remains the first treatment, although rapidly achieving concentrations associated with maximal efficacy provides an unresolved challenge. The objective of this study was to conduct a population pharmacokinetic anal...

journal_title：Antimicrobial agents and chemotherapy

authors： Roberts JA,Taccone FS,Udy AA,Vincent JL,Jacobs F,Lipman J

更新日期：2011-06-01 00:00:00

abstract：:Horizontal transfer of plasmids encoding antimicrobial resistance and virulence determinants has been instrumental in Staphylococcus aureus evolution, including the emergence of community-associated methicillin-resistant S. aureus (CA-MRSA). In the early 1990s, the first CA-MRSA strain isolated in Western Australia (W...

journal_title：Antimicrobial agents and chemotherapy

authors： Yui Eto K,Firth N,Davis AM,Kwong SM,Krysiak M,Lee YT,O'Brien FG,Grubb WB,Coombs GW,Bond CS,Ramsay JP

更新日期：2019-10-22 00:00:00

abstract：:(1,3)Beta-D-glucan synthase (EC 2.4.1.34. UDP-glucose: 1,3-beta-D-glucan 3-beta-glucosyltransferase) uses UDP-glucose as substrate and catalyzes the polymerization of glucose ([1,3]-beta-linkages) to form the major carbohydrate component of the fungal cell wall. We have optimized in vitro assay conditions for (1,3)bet...

journal_title：Antimicrobial agents and chemotherapy

authors： Maligie MA,Selitrennikoff CP

更新日期：2005-07-01 00:00:00

abstract：:Minibacterium massiliensis strain CIP107820 is a recently discovered waterborne Gram-negative rod isolated from hospital water samples. It harbors a chromosomally located gene encoding an Ambler class A extended-spectrum β-lactamase termed MIN-1, sharing 56%, 54%, and 51% amino acid identities with β-lactamases LUT-1,...

journal_title：Antimicrobial agents and chemotherapy

authors： Bercot B,Nordmann P,Drancourt M,Poirel L

更新日期：2012-07-01 00:00:00

abstract：:Nonnucleoside reverse transcriptase (RT) inhibitors (NNRTIs) are important components of current combination therapies for human immunodeficiency virus type 1 (HIV-1) infection. In screening of chemical libraries, we found 6-azido-1-benzyl-3-(3,5-dimethylbenzyl)uracil (AzBBU) and 6-amino-1-benzyl-3-(3,5-dimethylbenzyl...

journal_title：Antimicrobial agents and chemotherapy

authors： Ordonez P,Hamasaki T,Isono Y,Sakakibara N,Ikejiri M,Maruyama T,Baba M

更新日期：2012-05-01 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