Characterization of spontaneous, In vitro-selected, rifampin-resistant mutants of Mycobacterium tuberculosis strain H37Rv.

abstract：:Novel sulfonated derivatives of poly(allylamine hydrochloride) (NSPAHs) and N-sulfonated chitosan (NSCH) have been synthesized, and their activity against influenza A and B viruses has been studied and compared with that of a series of carrageenans, marine polysaccharides of well-documented anti-influenza activity. NS...

journal_title：Antimicrobial agents and chemotherapy

authors： Ciejka J,Milewska A,Wytrwal M,Wojarski J,Golda A,Ochman M,Nowakowska M,Szczubialka K,Pyrc K

更新日期：2016-03-25 00:00:00

abstract：:The tuberactinomycin antibiotics are essential components in the drug arsenal against Mycobacterium tuberculosis infections and are specifically used for the treatment of multidrug-resistant tuberculosis. These antibiotics are also being investigated for their targeting of the catalytic RNAs involved in viral replicat...

journal_title：Antimicrobial agents and chemotherapy

authors： Thomas MG,Chan YA,Ozanick SG

更新日期：2003-09-01 00:00:00

abstract：:When developing novel microbicide products for the prevention of HIV infection, the preclinical safety program must evaluate not only the active pharmaceutical ingredient but also the product itself. To that end, we applied several relatively standard toxicology study methodologies to female sheep, incorporating an as...

journal_title：Antimicrobial agents and chemotherapy

authors： Holt JD,Cameron D,Dias N,Holding J,Muntendam A,Oostebring F,Dreier P,Rohan L,Nuttall J

更新日期：2015-07-01 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：:All cells need to protect themselves against the osmotic challenges of their environment by maintaining low permeability to ions across their cell membranes. This is a basic principle of cellular function, which is reflected in the interactions among ion transport and drug efflux genes that have arisen during cellular...

journal_title：Antimicrobial agents and chemotherapy

authors： Cohen BE

更新日期：2014-01-01 00:00:00

abstract：:Using a rabbit model of methicillin-resistant Staphylococcus aureus knee-prosthesis infection, we studied the efficacy of teicoplanin cement alone or in combination with systemic intramuscular (i.m.) injections of teicoplanin. Seven days after infection, surgical debridement and removal of the infected prostheses were...

journal_title：Antimicrobial agents and chemotherapy

authors： Ismael F,Bléton R,Saleh-Mghir A,Dautrey S,Massias L,Crémieux AC

更新日期：2003-10-01 00:00:00

abstract：:The incidence of measles virus (MV) infection has been significantly reduced in many nations through extensive vaccination; however, the virus still causes significant morbidity and mortality in developing countries. Measles outbreaks also occur in some developed countries that have failed to maintain high vaccine cov...

journal_title：Antimicrobial agents and chemotherapy

authors： Plemper RK,Doyle J,Sun A,Prussia A,Cheng LT,Rota PA,Liotta DC,Snyder JP,Compans RW

更新日期：2005-09-01 00:00:00

abstract：:Flaviviruses comprise several medically important viruses, including Japanese encephalitis virus, West Nile virus, dengue virus (DENV), yellow fever virus, and Zika virus (ZIKV). A large outbreak of DENV and ZIKV occurred recently, leading to many cases of illness and death. However, despite decades of effort, we have...

journal_title：Antimicrobial agents and chemotherapy

authors： Chuang FK,Huang SM,Liao CL,Lee AR,Lien SP,Chiu YL,Chang TH,Tsai PL,Lin RJ,Shih CC,Tsai YJ,Lin GJ,Yen LC

更新日期：2019-12-20 00:00:00

abstract：:Artemisinin-derivative combination therapies (ACT) are highly efficacious against multidrug-resistant Plasmodium falciparum malaria. Few efficacy data, however, are available for vivax malaria. With high rates of chloroquine (CQ) resistance in both vivax and falciparum malaria in Papua Province, Indonesia, new combina...

journal_title：Antimicrobial agents and chemotherapy

authors： Tjitra E,Baker J,Suprianto S,Cheng Q,Anstey NM

更新日期：2002-12-01 00:00:00

abstract：:A structurally diverse library of 93 lipophilic di- and tricyclic diaminopyrimidine derivatives was tested for the ability to inhibit recombinant dihydrofolate reductase (DHFR) cloned from human and bovine isolates of Cryptosporidium parvum (J. R. Vásquez et al., Mol. Biochem. Parasitol. 79:153-165, 1996). In parallel...

journal_title：Antimicrobial agents and chemotherapy

authors： Nelson RG,Rosowsky A

更新日期：2001-12-01 00:00:00

abstract：:Mycobacterium abscessus is a major nontuberculous mycobacterial (NTM) pathogen and is responsible for about 80% of all pulmonary infections caused by rapidly growing mycobacteria. Clofazimine is an effective drug active against M. abscessus, but the mechanism of resistance to clofazimine in M. abscessus is unknown. To...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen Y,Chen J,Zhang S,Shi W,Zhang W,Zhu M,Zhang Y

更新日期：2018-06-26 00:00:00

abstract：:The in vitro and in vivo activities of a mixture of six oleane triterpene saponins, recovered from the methanolic extract of the leaves of the Vietnamese plant Maesa balansae (PX-6518), were evaluated against drug-sensitive visceral Leishmania strains. The in vitro 50% inhibitory concentration (IC(50)) against intrace...

journal_title：Antimicrobial agents and chemotherapy

authors： Maes L,Vanden Berghe D,Germonprez N,Quirijnen L,Cos P,De Kimpe N,Van Puyvelde L

更新日期：2004-01-01 00:00:00

abstract：:Against 307 pneumococci of various resistotypes, dalbavancin MICs were 0.008 to 0.125 microg/ml. All strains were susceptible to vancomycin, teicoplanin, linezolid, and quinupristin-dalfopristin. Dalbavancin at 2x MIC was bactericidal against all 10 pneumococci tested after 24 h. Vancomycin and teicoplanin killed 10 a...

journal_title：Antimicrobial agents and chemotherapy

authors： Lin G,Smith K,Ednie LM,Appelbaum PC

更新日期：2005-12-01 00:00:00

abstract：:Ajoene (4,5,9-trithiadodeca-1,6,11-triene 9-oxide), a product initially isolated from extracts of garlic (Allium sativum), was tested for its antimalarial activity in vivo in a well-characterized murine model. A single ajoene dose of 50 mg/kg, on the day of infection, suppressed the development of parasitemia; there w...

journal_title：Antimicrobial agents and chemotherapy

authors： Perez HA,De la Rosa M,Apitz R

更新日期：1994-02-01 00:00:00

abstract：:A number of proflavine (PF)-resistant mutants of Escherichia coli B were also resistant to penicillin and cephalothin. Mutants resistant to 1.0 mM PF were 10 times more penicillin resistant than were the PF-susceptible, wild-type cells. Single-step mutants selected for resistance to either PF or penicillin were also r...

journal_title：Antimicrobial agents and chemotherapy

authors： McKellar RC,McKenzie CN,Kushner KJ

更新日期：1976-10-01 00:00:00

abstract：:Mammalian serum amyloid A (SAA) is a major acute phase protein that shows a massive increase in plasma concentration during inflammation. In the present study, we demonstrate that the expression of mouse SAA1 in serum was increased when infected with Candida albicans, a major human fungal pathogen, in a systemic infec...

journal_title：Antimicrobial agents and chemotherapy

authors： Gong J,Wu J,Ikeh M,Tao L,Zhang Y,Bing J,Nobile CJ,Huang G

更新日期：2019-12-20 00:00:00

abstract：:Macrolide antibiotics like erythromycin can prevent the formation of the 50S ribosomal subunit in growing bacterial cells, in addition to their inhibitory effect on translation. The significance of this novel finding has been further investigated. The 50% inhibitory doses of erythromycin for the inhibition of translat...

journal_title：Antimicrobial agents and chemotherapy

authors： Champney WS,Burdine R

更新日期：1996-05-01 00:00:00

abstract：:The penam nucleus can assume two conformations; these are designated open and closed. The synthetic (2,3)-alpha- and (2,3)-beta-methylenepenams can be regarded as analogs of the open and closed conformations, respectively. It has been shown that the beta-methylenepenams are essentially inactive, suggesting that the cl...

journal_title：Antimicrobial agents and chemotherapy

authors： Christenson JG,Pruess DL,Talbot MK,Keith DD

更新日期：1988-07-01 00:00:00

abstract：:Diethylpyrocarbonate (DEPC) treatment of interferon (IF) inducers was studied both in vitro and in vivo. DEPC did not affect the antiviral activity of poly(I.C), statolon, or reovirus in cultured chicken embryo fibroblast cells, but the activities of poly(I.C), statolon, and MU9 replicative form in cultured mouse embr...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamamura Y,Cochran KW

更新日期：1976-04-01 00:00:00

abstract：:Fluoroquinolones are antibiotics with central excitatory side effects. These adverse effects presumably result from inhibition of gamma-aminobutyric acid (GABA) binding to GABA(A) receptors. This GABA antagonistic effect is greatly potentiated by the active metabolite of fenbufen, biphenylacetic acid (BPAA). Neverthel...

journal_title：Antimicrobial agents and chemotherapy

authors： Smolders I,Gousseau C,Marchand S,Couet W,Ebinger G,Michotte Y

更新日期：2002-02-01 00:00:00

abstract：:The effect of moxalactam and cefuroxime on mitogen-stimulated human peripheral blood mononuclear leukocytes was studied. Mononuclear leukocytes, mitogen, and antibiotic were added to microtiter wells. Cells were cultured for 3 days, pulsed with tritiated thymidine, and then counted. Compared with control cell cultures...

journal_title：Antimicrobial agents and chemotherapy

authors： Manzella JP,Clark JK

更新日期：1983-03-01 00:00:00

abstract：:ACH-702, a novel isothiazoloquinolone (ITQ), was assessed for antibacterial activity against a panel of Gram-positive and Gram-negative clinical isolates and found to possess broad-spectrum activity, especially against antibiotic-resistant Gram-positive strains, including methicillin-resistant Staphylococcus aureus (M...

journal_title：Antimicrobial agents and chemotherapy

authors： Pucci MJ,Podos SD,Thanassi JA,Leggio MJ,Bradbury BJ,Deshpande M

更新日期：2011-06-01 00:00:00

abstract：:Aminoglycoside 2″-phosphotransferases are the major aminoglycoside-modifying enzymes in clinical isolates of enterococci and staphylococci. We describe a novel aminoglycoside 2″-phosphotransferase from the Gram-negative pathogen Campylobacter jejuni, which shares 78% amino acid sequence identity with the APH(2″)-Ia do...

journal_title：Antimicrobial agents and chemotherapy

authors： Toth M,Frase H,Antunes NT,Vakulenko SB

更新日期：2013-01-01 00:00:00

abstract：:No studies have investigated whether discontinuation of ethambutol (EMB) based on the susceptibility to isoniazid and rifampin as determined by the GenoType MTBDRplus assay would be appropriate. We aimed to determine the feasibility of discontinuing EMB before the end of intensive phase treatment based on the result o...

journal_title：Antimicrobial agents and chemotherapy

authors： Jo KW,Kim M,Kim YJ,Lee HK,Kim HK,Jeon D,Lyu J,Park HK,Mok J,Kim JS,Heo EY,Choi SB,Yim JJ,Shim TS

更新日期：2019-09-16 00:00:00

abstract：:The Clinical and Laboratory Standards Institute (CLSI) and the European Committee on Antimicrobial Susceptibility Testing (EUCAST) offer different recommendations for carbapenem MIC susceptibility breakpoints for Acinetobacter species. In addition, the clinical efficacy of the intermediate category remains uncertain. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang YS,Wang YC,Kuo SC,Chen CT,Liu CP,Liu YM,Chen TL,Lee YT

更新日期：2017-08-24 00:00:00

abstract：:Attenuated activity of echinocandin antifungals at high concentrations, known as the "paradoxical effect," is a well-established phenomenon in Candida albicans and Aspergillus fumigatus. In the yeast C. albicans, upregulation of chitin biosynthesis via the protein kinase C (PKC), high-osmolarity glycerol response (HOG...

journal_title：Antimicrobial agents and chemotherapy

authors： Fortwendel JR,Juvvadi PR,Perfect BZ,Rogg LE,Perfect JR,Steinbach WJ

更新日期：2010-04-01 00:00:00

abstract：:We have discovered a remarkable synergistic antimalarial interaction between rufigallol and the structurally similar compound exifone. The synergistic effects were produced in chloroquine-susceptible and chloroquine-resistant clones of Plasmodium falciparum. The degree of potentiation as estimated by standard isobolar...

journal_title：Antimicrobial agents and chemotherapy

authors： Winter RW,Cornell KA,Johnson LL,Ignatushchenko M,Hinrichs DJ,Riscoe MK

更新日期：1996-06-01 00:00:00

abstract：:The biosynthetic gene cluster of lankamycin (LM), a 14-member macrolide antibiotic, is encoded on the 210-kb linear plasmid pSLA2-L in Streptomyces rochei 7434AN4. LM contains a 3-hydroxy-2-butyl group at the C-13 position, which is different from an ethyl group in erythromycin. The following two possibilities could b...

journal_title：Antimicrobial agents and chemotherapy

authors： Arakawa K,Kodama K,Tatsuno S,Ide S,Kinashi H

更新日期：2006-06-01 00:00:00

abstract：:The spectrum of activity of levofloxacin was initially determined against 29 strains belonging to 16 species of atypical mycobacteria by measuring radiometric MICs. Levofloxacin MICs were 1 to 2 dilutions lower compared with those obtained for ofloxacin and 8 to 64 dilutions lower compared with those obtained for its ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rastogi N,Goh KS,Bryskier A,Devallois A

更新日期：1996-11-01 00:00:00

abstract：:Efavirenz-based antiretroviral regimen is preferred during rifampin-containing tuberculosis therapy. However, current pharmacokinetic data are insufficient to guide optimized concurrent dosing. This study aimed to better characterize the effects of rifampin on efavirenz pharmacokinetics. Subjects were randomized to re...

journal_title：Antimicrobial agents and chemotherapy

authors： Kwara A,Tashima KT,Dumond JB,Poethke P,Kurpewski J,Kashuba AD,Court MH,Greenblatt DJ

更新日期：2011-07-01 00:00:00