Saccharomicins, novel heptadecaglycoside antibiotics produced by Saccharothrix espanaensis: antibacterial and mechanistic activities.

abstract：:In Cambodia, multidrug-resistant Plasmodium falciparum undermines the treatment of uncomplicated malaria, and new therapeutic options are needed. Pyronaridine-artesunate has not previously been evaluated in eastern Cambodia. We conducted a single-arm, open-label, prospective study between July and December 2017 at the...

journal_title：Antimicrobial agents and chemotherapy

authors： Leang R,Mairet-Khedim M,Chea H,Huy R,Khim N,Mey Bouth D,Dorina Bustos M,Ringwald P,Witkowski B

更新日期：2019-02-26 00:00:00

abstract：:Epidemiological data on carbapenemase-producing Gram-negative bacteria on the African continent are limited. Here, we report the identification of VIM-2-producing Pseudomonas aeruginosa isolates in Tanzania. Eight out of 90 clinical isolates of P. aeruginosa from a tertiary care hospital in Dar es Salaam were shown to...

journal_title：Antimicrobial agents and chemotherapy

authors： Moyo S,Haldorsen B,Aboud S,Blomberg B,Maselle SY,Sundsfjord A,Langeland N,Samuelsen Ø

更新日期：2015-01-01 00:00:00

abstract：:We investigated ertapenem-susceptible and -resistant extended-spectrum beta-lactamase-producing Enterobacter cloacae isolates obtained from the same patient. Gene transcription of OmpD and OmpF was diminished in the ertapenem-resistant isolate. An efflux pump inhibitor decreased the MICs of ertapenem in the resistant ...

journal_title：Antimicrobial agents and chemotherapy

authors： Szabó D,Silveira F,Hujer AM,Bonomo RA,Hujer KM,Marsh JW,Bethel CR,Doi Y,Deeley K,Paterson DL

更新日期：2006-08-01 00:00:00

abstract：:Recovery of gentamicin from renal cortical tissue (assayed by fluorescence polarization immunoassay) was highest (P less than 0.05) when using a sodium hydroxide (NaOH) digestion procedure without homogenization (90.0 +/- 5.4%), followed by homogenization with NaOH digestion (85.8 +/- 7.7%) and homogenization with tri...

journal_title：Antimicrobial agents and chemotherapy

authors： Brown SA,Sugimoto K,Smith GG,Garry FB

更新日期：1988-04-01 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：:Suramin is 100 years old and is still being used to treat the first stage of acute human sleeping sickness, caused by Trypanosoma bruceirhodesiense Suramin is a multifunctional molecule with a wide array of potential applications, from parasitic and viral diseases to cancer, snakebite, and autism. Suramin is also an e...

journal_title：Antimicrobial agents and chemotherapy

authors： Wiedemar N,Hauser DA,Mäser P

更新日期：2020-02-21 00:00:00

abstract：:Vaborbactam (formerly RPX7009) is a new β-lactamase inhibitor based on a cyclic boronic acid pharmacophore with potent inhibitory activity against Klebsiella pneumoniaecarbapenemases (KPC). It has been developed in combination with meropenem. The objective of these studies was to identify the concentrations of both ag...

journal_title：Antimicrobial agents and chemotherapy

authors： Sun D,Rubio-Aparicio D,Nelson K,Dudley MN,Lomovskaya O

更新日期：2017-11-22 00:00:00

abstract：:An in vitro tissue culture system consisting of reaggregated embryonic brain cells was used to evaluate the inhibition of herpes simplex type 1 (HSV-1) by several antiviral compounds. The efficacy of acyclovir, vidarabine, bromovinyldeoxyuridine, and 9-(1,3-dihydroxy-2-propoxymethyl) guanine in HSV-1-infected Vero cel...

journal_title：Antimicrobial agents and chemotherapy

authors： Pulliam L,Panitch HS,Baringer JR,Dix RD

更新日期：1986-12-01 00:00:00

abstract：:The pharmacokinetics of meropenem and its ring-opened metabolite (ICI 213,689) were investigated with eight young (20- to 34-year-old) and eight elderly (67- to 80-year-old) healthy male volunteers given single 30-min intravenous infusions of 500 mg of meropenem. All subjects had normal age-correlated glomerular funct...

journal_title：Antimicrobial agents and chemotherapy

authors： Ljungberg B,Nilsson-Ehle I

更新日期：1992-07-01 00:00:00

abstract：:Eravacycline is a fluorocycline antibiotic in phase 3 clinical development for complicated intra-abdominal and urinary tract infections. To support its clinical development, a study was conducted to evaluate the effects of various susceptibility test parameters on the MIC values for aerobic bacteria. The results showe...

journal_title：Antimicrobial agents and chemotherapy

authors： Grossman TH,Pillar CM,Sahm DF,Sutcliffe JA

更新日期：2015-04-01 00:00:00

abstract：:Antifolate drugs have an important role in the treatment of malaria. Polymorphisms in the genes encoding the dihydrofolate reductase and dihydropteroate synthetase enzymes cause resistance to the antifol and sulfa drugs, respectively. Rwanda has the highest levels of antimalarial drug resistance in Africa. We correlat...

journal_title：Antimicrobial agents and chemotherapy

authors： Karema C,Imwong M,Fanello CI,Stepniewska K,Uwimana A,Nakeesathit S,Dondorp A,Day NP,White NJ

更新日期：2010-01-01 00:00:00

abstract：:Moxifloxacin (BAY12-8039) is a new 8-methoxyquinolone shown to be active against Mycobacterium tuberculosis in vitro. We tested moxifloxacin for activity in mice against M. tuberculosis CSU93, a highly virulent, recently isolated clinical strain. The MIC of moxifloxacin for the CSU93 strain was 0.25 microg/ml. The ser...

journal_title：Antimicrobial agents and chemotherapy

authors： Miyazaki E,Miyazaki M,Chen JM,Chaisson RE,Bishai WR

更新日期：1999-01-01 00:00:00

abstract：:Eighty group G streptococcal stains were collected from Chinese children. Susceptibility testing was done by a double-dilution and a disk diffusion method. PCR was used to test drug-resistant genes, and the χ(2) test and definite probability methods were used to test for statistically significant differences among the...

journal_title：Antimicrobial agents and chemotherapy

authors： Yin J,Yu S,Liu X,Li Y,Gao W,Ma X,Yang Y

更新日期：2011-01-01 00:00:00

abstract：:Dengue virus (DENV) causes disease globally, with an estimated 25 to 100 million new infections per year. At present, no effective vaccine is available, and treatment is supportive. In this study, we identified BP2109, a potent and selective small-molecule inhibitor of the DENV NS2B/NS3 protease, by a high-throughput ...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang CC,Hsieh YC,Lee SJ,Wu SH,Liao CL,Tsao CH,Chao YS,Chern JH,Wu CP,Yueh A

更新日期：2011-01-01 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：:Isonicotinic acid hydrazide (isoniazid; INH) inhibition of mycolic acid synthesis was studied by using cell extracts from both INH-sensitive and -resistant strains of Mycobacterium aurum. The cell extract of the INH-sensitive strain was inhibited by INH, while the preparation from the INH-resistant strain was not. Thi...

journal_title：Antimicrobial agents and chemotherapy

authors： Quémard A,Lacave C,Lanéelle G

更新日期：1991-06-01 00:00:00

abstract：:Eighty-one clinical isolates of Helicobacter pylori showed no resistance to rifampin (MIC range, 0.032 to 2 microg/ml; MIC at which 50% of isolates are inhibited [MIC50], 0.25 microg/ml). The MIC50 of rifabutin was 0.008 microg/ml (n = 16). All resistant laboratory mutants of H. pylori ATCC 43504 showed amino acid exc...

journal_title：Antimicrobial agents and chemotherapy

authors： Heep M,Beck D,Bayerdörffer E,Lehn N

更新日期：1999-06-01 00:00:00

abstract：:Colistin use has increased in response to the advent of infections caused by multidrug-resistant organisms. It is administered parenterally as an inactive prodrug, colistin methanesulfonate (CMS). Various formulations of CMS and labeling conventions can lead to confusion about colistin dosing, and questions remain abo...

journal_title：Antimicrobial agents and chemotherapy

authors： Niece KL,Akers KS

更新日期：2015-09-01 00:00:00

abstract：:The integrase inhibitor raltegravir (RAL) is currently used for the treatment of both treatment-naïve and treatment-experienced HIV-1-infected patients. Elvitegravir (EVG) is in late phases of clinical development. Since significant cross-resistance between RAL and EVG is observed, there is a need for second-generatio...

journal_title：Antimicrobial agents and chemotherapy

authors： Van Wesenbeeck L,Rondelez E,Feyaerts M,Verheyen A,Van der Borght K,Smits V,Cleybergh C,De Wolf H,Van Baelen K,Stuyver LJ

更新日期：2011-01-01 00:00:00

abstract：:Halothane (2-bromo-2-chloro-1,1,1-trifluoroethane) inhibited herpes simplex virus type 1 (HSV-1) replication, although HSV-1 DNA was synthesized at normal levels in Vero cells. Viral capsids and extracellular virions were inhibited, and HSV-1 protein synthesis decreased by 50%, although no specific HSV-1 protein faile...

journal_title：Antimicrobial agents and chemotherapy

authors： Bedows E,Holland TC,Knight PR

更新日期：1986-05-01 00:00:00

abstract：:An observational study assessed the longitudinal use of a new line probe assay for the detection of protease mutations. Probe assays for detection of reverse transcriptase (Inno-LiPA HIV-1 RT; Innogenetics) and protease (prototype kit Inno-LiPA HIV Protease; Innogenetics) mutations gave results for 177 of 199 sequenti...

journal_title：Antimicrobial agents and chemotherapy

authors： Servais J,Lambert C,Plesséria JM,Fontaine E,Robert I,Arendt V,Staub T,Hemmer R,Schneider F,Schmit JC

更新日期：2002-06-01 00:00:00

abstract：:The recent reports of resistance in Plasmodium falciparum to artemisinin derivatives and their partner drugs demand intensive studies toward understanding the molecular mechanisms of resistance. In this study, we examined the in vitro susceptibility of 63 P. falciparum field isolates collected from the China-Myanmar b...

journal_title：Antimicrobial agents and chemotherapy

authors： Hao M,Jia D,Li Q,He Y,Yuan L,Xu S,Chen K,Wu J,Shen L,Sun L,Zhao H,Yang Z,Cui L

更新日期：2013-04-01 00:00:00

abstract：:Five recombinant alpha interferons and two recombinant beta interferons have been tested for their ability to inhibit yields of herpes simplex virus types 1 and 2 and human cytomegalovirus in human embryonic lung cells. All of the alpha species and both of the beta forms (cysteine and serine) were active against the h...

journal_title：Antimicrobial agents and chemotherapy

authors： Rasmussen LE,Chen PT,Merigan TC

更新日期：1984-10-01 00:00:00

abstract：:TP-434 is a novel, broad-spectrum fluorocycline antibiotic with activity against bacteria expressing major antibiotic resistance mechanisms, including tetracycline-specific efflux and ribosomal protection. The mechanism of action of TP-434 was assessed using both cell-based and in vitro assays. In Escherichia coli cel...

journal_title：Antimicrobial agents and chemotherapy

authors： Grossman TH,Starosta AL,Fyfe C,O'Brien W,Rothstein DM,Mikolajka A,Wilson DN,Sutcliffe JA

更新日期：2012-05-01 00:00:00

abstract：:To evaluate maternal-fetal pharmacology of cefatrizine (BL-S 640), a new oral cephalosporin, a single oral 1,000-mg dose was administered to 33 gravidas (8 to 20 weeks' gestation) at varying intervals within 46 h of an elective therapeutic abortion by hysterectomy or intra-amniotic prostaglandin F(2a) induction. Mean ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bernard B,Thielen P,Garcia-Cázares J,Ballard CA

更新日期：1977-08-01 00:00:00

abstract：:Six tetraoxanes had 50% inhibitory concentrations in the range of 10 to 100 ng/ml against Plasmodium falciparum, whereas the corresponding hexaoxonanes had minimal antimalarial activity. The lack of iron-mediated reactivity of the hexaoxonanes may explain their low activity compared to the tetraoxanes, the latter of w...

journal_title：Antimicrobial agents and chemotherapy

authors： Dong Y,Creek D,Chollet J,Matile H,Charman SA,Wittlin S,Wood JK,Vennerstrom JL

更新日期：2007-08-01 00:00:00

abstract：:Among the 7 most common UL97 mutations encountered in ganciclovir-resistant clinical cytomegalovirus isolates, the associated cyclopropavir cross-resistance varies from insignificant (L595S) to substantial (M460I and H520Q) as determined by recombinant phenotyping. Mutations M460I and H520Q were preferentially selecte...

journal_title：Antimicrobial agents and chemotherapy

authors： Chou S,Bowlin TL

更新日期：2011-01-01 00:00:00

abstract：:The potential of bacteriophage therapy to treat infections caused by antibiotic-resistant bacteria has now been well established using various animal models. While numerous newly isolated bacteriophages have been claimed to be potential therapeutic candidates on the basis of in vitro observations, the parameters used ...

journal_title：Antimicrobial agents and chemotherapy

authors： Henry M,Lavigne R,Debarbieux L

更新日期：2013-12-01 00:00:00

abstract：:Administering polymyxin antibiotics in a traditional fashion may be ineffective against Gram-negative ESKAPE (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) pathogens. Here, we explored increasing the dose intensity of poly...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsuji BT,Landersdorfer CB,Lenhard JR,Cheah SE,Thamlikitkul V,Rao GG,Holden PN,Forrest A,Bulitta JB,Nation RL,Li J

更新日期：2016-06-20 00:00:00

abstract：:Grazoprevir (GZR) plus elbasvir is an approved treatment for chronic infection with hepatitis C virus (HCV) genotype 1 or 4. HCV infection complications include liver cirrhosis, end-stage liver disease, and hepatocellular carcinoma. The objective of this study was to evaluate the pharmacokinetics and safety of multipl...

journal_title：Antimicrobial agents and chemotherapy

authors： Caro L,Wenning L,Guo Z,Fraser IP,Fandozzi C,Talaty J,Panebianco D,Ho M,Uemura N,Reitmann C,Angus P,Gane E,Marbury T,Smith WB,Iwamoto M,Butterton JR,Yeh WW

更新日期：2017-11-22 00:00:00