Hydrophilicity of quinolones is not an exclusive factor for decreased activity in efflux-mediated resistant mutants of Staphylococcus aureus.

abstract：:Current therapy for toxoplasmosis with a synergistic combination of pyrimethamine plus sulfadiazine or pyrimethamine plus clindamycin is not always efficacious and is frequently discontinued due to intolerable toxic effects in immunocompromised individuals, particularly those with AIDS. Trovafloxacin, a new fluoroquin...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan AA,Slifer T,Araujo FG,Polzer RJ,Remington JS

更新日期：1997-05-01 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：:Lantibiotics such as nisin (NIS) are peptide antibiotics that may have a role in the chemotherapy of bacterial infections. A perceived benefit of lantibiotics for clinical use is their low propensity to select resistance, although detailed resistance studies with relevant bacterial pathogens are lacking. Here we exami...

journal_title：Antimicrobial agents and chemotherapy

authors： Blake KL,Randall CP,O'Neill AJ

更新日期：2011-05-01 00:00:00

abstract：:Many gram-negative bacteria are known to be remarkably resistant to hydrophobic noxious agents by virtue of their outer membranes (OM). We investigated, by using four different assay methods, the ability of sodium hexametaphosphate (HMP) to disrupt this OM barrier. (i) In the growth inhibition assay, HMP was found to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Vaara M,Jaakkola J

更新日期：1989-10-01 00:00:00

abstract：:Stenotrophomonas maltophilia is a multidrug-resistant organism increasingly isolated from the lungs of cystic fibrosis (CF) patients. One hundred twenty-five S. maltophilia isolates from 85 CF patients underwent planktonic and biofilm susceptibility testing against 9 different antibiotics, alone and in double antibiot...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu K,Yau YC,Matukas L,Waters V

更新日期：2013-03-01 00:00:00

abstract：:The intestinal elimination of ciprofloxacin in the large bowel was studied in a rabbit model. Segments from the cecum, colon, and sigmoid colon along with their intact blood vessels were isolated and perfused, and their contents were collected over a 90-min period following the administration of a single parenteral do...

journal_title：Antimicrobial agents and chemotherapy

authors： Ramon J,Dautrey S,Farinoti R,Carbon C,Rubinstein E

更新日期：1996-01-01 00:00:00

abstract：:The antibiotic tolerances of bacterial persisters have been attributed to transient dormancy. While persisters have been observed to be growth inhibited prior to antibiotic exposure, we sought to determine whether such a trait was essential to the phenotype. Furthermore, we sought to provide direct experimental eviden...

journal_title：Antimicrobial agents and chemotherapy

authors： Orman MA,Brynildsen MP

更新日期：2013-07-01 00:00:00

abstract：:Expression of high-level beta-lactam resistance is known to be thermosensitive in many methicillin-resistant Staphylococcus aureus (MRSA) strains, including strain COL, in which the high methicillin MIC for cultures grown at 37 degrees C (800 microg/ml) was reduced to 12 microg/ml at 42 degrees C. COL grew faster at 4...

journal_title：Antimicrobial agents and chemotherapy

authors： Sieradzki K,Chung M,Tomasz A

更新日期：2008-02-01 00:00:00

abstract：:Levels of roxithromycin in serum and tissue were investigated in 29 subjects undergoing tonsillectomy. A total of 13 subjects received a single oral dose of 300 mg, and 16 received four oral doses 12 h apart as follows: a 300-mg loading dose followed by three 150-mg doses. Measurable levels of roxithromycin were prese...

journal_title：Antimicrobial agents and chemotherapy

authors： Galioto GB,Ortisi G,Mevio E,Sassella D,Bartucci F,Privitera G

更新日期：1988-09-01 00:00:00

abstract：:Spider venoms are vast natural pharmacopoeias selected by evolution. The venom of the ant spider Lachesana tarabaevi contains a wide variety of antimicrobial peptides. We tested six of them (latarcins 1, 2a, 3a, 4b, 5, and cytoinsectotoxin 1a) for their ability to suppress Chlamydia trachomatis infection. HEK293 cells...

journal_title：Antimicrobial agents and chemotherapy

authors： Lazarev VN,Polina NF,Shkarupeta MM,Kostrjukova ES,Vassilevski AA,Kozlov SA,Grishin EV,Govorun VM

更新日期：2011-11-01 00:00:00

abstract：:The site of localization of [(3)H]gentamicin within mouse kidney is shown to be the proximal renal tubule by coincidence of the radioactivity, as visualized by autoradiography, and the mucopolysaccharide-rich microvilli characteristic of proximal convoluted tubules, as visualized by histochemical staining. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuhar MJ,Mak LL,Lietman PS

更新日期：1979-01-01 00:00:00

abstract：:An experimental local infection system has been developed in which exudates are induced with croton oil in granuloma pouches of rats. This system provided a suitable model for the evaluation of the therapeutic effect of two antibiotics, cefazolin and cephalothin. Exudate levels of cefazolin were found to be higher tha...

journal_title：Antimicrobial agents and chemotherapy

authors： Nishida M,Murakawa T

更新日期：1977-06-01 00:00:00

abstract：:Treating malaria in HIV-coinfected individuals should consider potential drug-drug interactions. Artemether-lumefantrine is the most widely recommended treatment for uncomplicated malaria globally. Lumefantrine is metabolized by CYP3A4, an enzyme that commonly used antiretrovirals often induce or inhibit. A population...

journal_title：Antimicrobial agents and chemotherapy

authors： Francis J,Barnes KI,Workman L,Kredo T,Vestergaard LS,Hoglund RM,Byakika-Kibwika P,Lamorde M,Walimbwa SI,Chijioke-Nwauche I,Sutherland CJ,Merry C,Scarsi KK,Nyagonde N,Lemnge MM,Khoo SH,Bygbjerg IC,Parikh S,Aweeka FT,

更新日期：2020-04-21 00:00:00

abstract：:We undertook a prospective, randomized comparison of oral ciprofloxacin with standard parenteral therapies for the treatment of biopsy-proven osteomyelitis caused by susceptible organisms. Following surgical debridement, the ciprofloxacin patients received 750 mg twice a day, and the other patients received a broad-sp...

journal_title：Antimicrobial agents and chemotherapy

authors： Gentry LO,Rodriguez GG

更新日期：1990-01-01 00:00:00

abstract：:Spiramycins are clinically important 16-member macrolide antibiotics produced by Streptomyces ambofaciens. Biosynthetic studies have established that the earliest lactonic intermediate in spiramycin biosynthesis, the macrolactone platenolide I, is synthesized by a type I modular polyketide synthase (PKS). Platenolide ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nguyen HC,Darbon E,Thai R,Pernodet JL,Lautru S

更新日期：2013-08-01 00:00:00

abstract：:A single Klebsiella pneumoniae strain isolated in a Bulgarian hospital was found to produce CTX-M-71, a new CTX-M variant characterized by one amino acid substitution from glycine to cysteine at position 238 in comparison to CTX-M-15. This exchange decreased the hydrolytic activity of the beta-lactamase for cefotaxime...

journal_title：Antimicrobial agents and chemotherapy

authors： Schneider I,Queenan AM,Markovska R,Markova B,Keuleyan E,Bauernfeind A

更新日期：2009-10-01 00:00:00

abstract：:The pharmacokinetics of the antifungal pradimicin derivative BMS 181184 in plasma of normal, catheterized rabbits were characterized after single and multiple daily intravenous administrations of dosages of 10, 25, 50, or 150 mg/kg of body weight, and drug levels in tissues were assessed after multiple dosing. Concent...

journal_title：Antimicrobial agents and chemotherapy

authors： Groll AH,Sein T,Petraitis V,Petraitiene R,Callender D,Gonzalez CE,Giri N,Bacher J,Piscitelli S,Walsh TJ

更新日期：1998-10-01 00:00:00

abstract：:Resistance to rifampin in Mycobacterium tuberculosis results from mutations in the gene coding for the beta subunit of RNA polymerase (rpoB). At least 95% of rifampin-resistant isolates have mutations in rpoB, and the mutations are clustered in a small region. About 40 distinct point mutations and in-frame insertions ...

journal_title：Antimicrobial agents and chemotherapy

authors： Morlock GP,Plikaytis BB,Crawford JT

更新日期：2000-12-01 00:00:00

abstract：:The metallo-β-lactamase VIM-4, mainly found in Pseudomonas aeruginosa or Acinetobacter baumannii, was produced in Escherichia coli and characterized by biochemical and X-ray techniques. A detailed kinetic study performed in the presence of Zn²+ at concentrations ranging from 0.4 to 100 μM showed that VIM-4 exhibits a ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lassaux P,Traoré DA,Loisel E,Favier A,Docquier JD,Sohier JS,Laurent C,Bebrone C,Frère JM,Ferrer JL,Galleni M

更新日期：2011-03-01 00:00:00

abstract：:Ciprofloxacin, a fluorinated 4-quinolone, is useful for the clinical treatment of infections due to its antibacterial properties and also modulates the immune response of monocytes isolated from human peripheral blood mononuclear cells. In the present study, we found that ciprofloxacin induced the production of prosta...

journal_title：Antimicrobial agents and chemotherapy

authors： Takahashi HK,Iwagaki H,Xue D,Katsuno G,Sugita S,Mizuno K,Mori S,Saito S,Yoshino T,Tanaka N,Nishibori M

更新日期：2005-08-01 00:00:00

abstract：:Very rapid amplification of DNA by PCR in small volumes can be continuously monitored by the detection of the binding of probes with a rapid cycler with built-in fluorometric detection. Primers were designed to amplify approximately 100 bp of the polymerase gene of hepatitis B virus (HBV) spanning codon 550, where mut...

journal_title：Antimicrobial agents and chemotherapy

authors： Cane PA,Cook P,Ratcliffe D,Mutimer D,Pillay D

更新日期：1999-07-01 00:00:00

abstract：:The elimination kinetics of cefotetan (YM09330), a new parenteral semisynthetic cephamycin derivative, were studied in eight healthy volunteers and 41 patients with renal insufficiency after the administration of a single 500-mg dose intravenously. Concentrations of cefotetan in serum and urine were determined by both...

journal_title：Antimicrobial agents and chemotherapy

authors： Ohkawa M,Hirano S,Tokunaga S,Motoi I,Shoda R,Ikeda A,Sugata T,Sawaki M,Shimamura M,Okasho A,Kuroda K

更新日期：1983-01-01 00:00:00

abstract：:A beta-lactam-sensitive strain (C152) of Shigella dysenteriae showed two major outer membrane proteins (OMPs) with M(r)s of 43,000 and 38,000, while the clinical isolate M2 lacked the 43,000-Mr OMP, which acted as a channel for beta-lactam antibiotics. Permeability of beta-lactams across the outer membrane (OM) of M2 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kar AK,Ghosh AS,Chauhan K,Ahamed J,Basu J,Chakrabarti P,Kundu M

更新日期：1997-10-01 00:00:00

abstract：:The 2-year follow-up results for a randomized placebo-controlled study of 47 patients with multidrug-resistant pulmonary tuberculosis treated with either the new diarylquinoline TMC207, recently renamed bedaquiline, or placebo, added to the first 8 weeks of a background regimen, are presented. Bedaquiline significantl...

journal_title：Antimicrobial agents and chemotherapy

authors： Diacon AH,Donald PR,Pym A,Grobusch M,Patientia RF,Mahanyele R,Bantubani N,Narasimooloo R,De Marez T,van Heeswijk R,Lounis N,Meyvisch P,Andries K,McNeeley DF

更新日期：2012-06-01 00:00:00

abstract：:Four pre-exposure prophylaxis (PrEP) users with gastro-intestinal disorders (sleeve gastrectomy, terminal ileitis, celiac disease or chronic diarrhea) and receiving oral tenofovir disoproxil fumarate/emtricitabine (TDF/FTC) were included. Despite a self-reported high adherence, trough plasma tenofovir concentrations (...

journal_title：Antimicrobial agents and chemotherapy

authors： Calcagno A,Dal Conte I,Cattaneo D,Testi R,Mistrangelo M,Gervasoni C,de Nicolò A,Bonora S,D'Avolio A,Di Perri G

更新日期：2020-10-26 00:00:00

abstract：:Using a new rabbit model of methicillin-susceptible Staphylococcus aureus knee prosthesis infection, we compared the efficacies of sparfloxacin (50 mg/kg of body weight subcutaneously, twice a day) and pefloxacin (50 mg/kg subcutaneously, twice a day). A partial knee replacement was performed with a silicone implant f...

journal_title：Antimicrobial agents and chemotherapy

authors： Crémieux AC,Mghir AS,Bleton R,Manteau M,Belmatoug N,Massias L,Garry L,Sales N,Mazière B,Carbon C

更新日期：1996-09-01 00:00:00

abstract：:A-837093 is a potent and specific nonnucleoside inhibitor of the hepatitis C virus (HCV) nonstructural protein 5B (NS5B) RNA-dependent RNA polymerase. It possesses nanomolar potencies in both enzymatic and replicon-based cell culture assays. In rats and dogs this compound demonstrated an oral plasma half-life of great...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen CM,He Y,Lu L,Lim HB,Tripathi RL,Middleton T,Hernandez LE,Beno DW,Long MA,Kati WM,Bosse TD,Larson DP,Wagner R,Lanford RE,Kohlbrenner WE,Kempf DJ,Pilot-Matias TJ,Molla A

更新日期：2007-12-01 00:00:00

abstract：:Many pathogenic and commensal organisms are multidrug resistant due to exposure to various antibiotics. Often, this antimicrobial resistance is encoded by integrons that occur on plasmids or that are integrated into the bacterial chromosome. Integrons are commonly associated with bacterial genera in the family Enterob...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein C,Lee MD,Sanchez S,Hudson C,Phillips B,Register B,Grady M,Liebert C,Summers AO,White DG,Maurer JJ

更新日期：2001-03-01 00:00:00

abstract：:The effects of caspofungin combined with amphotericin B were investigated with Candida glabrata. Although in vitro experiments showed an indifferent interaction, the combination regimen was the only therapeutic approach yielding organ sterilization in a murine candidemia model. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Barchiesi F,Spreghini E,Fothergill AW,Arzeni D,Greganti G,Giannini D,Rinaldi MG,Scalise G

更新日期：2005-06-01 00:00:00

abstract：:We have identified and sequenced the genes encoding the quinolone-resistance determining region (QRDR) of ParC and GyrA in fluoroquinolone-susceptible and -resistant Streptococcus suis clinical isolates. Resistance is the consequence of single point mutations in the QRDRs of ParC and GyrA and is not due to clonal spre...

journal_title：Antimicrobial agents and chemotherapy

authors： Escudero JA,San Millan A,Catalan A,de la Campa AG,Rivero E,Lopez G,Dominguez L,Moreno MA,Gonzalez-Zorn B

更新日期：2007-02-01 00:00:00