In vitro antibacterial activity of SM-1652, a new broad-spectrum cephalosporin with antipseudomonal activity.

abstract：:The opportunistic Gram-negative pathogen Pseudomonas aeruginosa, known for its intrinsic and acquired antibiotic resistance, has a notorious ability to form biofilms, which often facilitate chronic infections. The evolutionary paths to antibiotic resistance have mainly been investigated in planktonic cultures and are ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ahmed MN,Porse A,Sommer MOA,Høiby N,Ciofu O

更新日期：2018-07-27 00:00:00

abstract：:An extracellular inhibitory substance produced by the marine Alteromonas strain P-31 (NCMB 2144) was isolated and purified. The inhibitor was a macromolecule with a molecular weight of 90,000 estimated by Sephadex G-100 chromatography and sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The inhibitory activi...

journal_title：Antimicrobial agents and chemotherapy

authors： Barja JL,Lemos ML,Toranzo AE

更新日期：1989-10-01 00:00:00

abstract：:The in vitro activity of ceftriaxone was compared with those of other recently introduced beta-lactam antimicrobial agents (cefoperazone, cefotaxime, and moxalactam) and with those of cefoxitin, clindamycin, and metronidazole against 227 strains of anaerobic bacteria. The data obtained in this investigation suggest th...

journal_title：Antimicrobial agents and chemotherapy

authors： Rolfe RD,Finegold SM

更新日期：1982-08-01 00:00:00

abstract：:Pseudomonas aeruginosa clinical isolate CY-1, which was resistant to ceftazidime, harbored a conjugative ca. 250-kb plasmid that contained a class 1 integron with two gene cassettes encoding OXA-32, an OXA-2- type beta-lactamase, and the aminoglycoside acetyltransferase AAC(6')Ib(9). OXA-32 differed from OXA-2 by an L...

journal_title：Antimicrobial agents and chemotherapy

authors： Poirel L,Gerome P,De Champs C,Stephanazzi J,Naas T,Nordmann P

更新日期：2002-02-01 00:00:00

abstract：:Cecropin B is a cationic antimicrobial peptide originally isolated from the diapausing pupae of the giant silk moth, Hylphora cecropia. Cecropin B elicits its antimicrobial effects through disruption of the anionic cell membranes of gram-negative bacteria. Previous work by our laboratory demonstrated that a constituti...

journal_title：Antimicrobial agents and chemotherapy

authors： Sallum UW,Chen TT

更新日期：2008-09-01 00:00:00

abstract：:Parallel administration of the proton pump inhibitor (PPI) esomeprazole has been shown to decrease oral bioavailability of posaconazole in healthy volunteers. We prospectively analyzed serum samples (n = 59) obtained from hematology patients (n = 27) under posaconazole prophylaxis. Patients treated concomitantly with ...

journal_title：Antimicrobial agents and chemotherapy

authors： Neubauer WC,Engelhardt M,König A,Hieke S,Jung M,Bertz H,Kümmerer K

更新日期：2010-09-01 00:00:00

abstract：:A two-compartment pharmacokinetic (PK) population model of anidulafungin was fitted to PK data from 23 critically ill patients (age, 65 years [range, 28 to 81 years]; total body weight [TBW], 75 kg [range, 54 to 168 kg]). TBW was associated with clearance and incorporated into a final population PK model. Simulations ...

journal_title：Antimicrobial agents and chemotherapy

authors： Luque S,Hope W,Campillo N,Muñoz-Bermúdez R,Sorli L,Barceló-Vidal J,González-Colominas E,Alvarez-Lerma F,Masclans JR,Montero M,Horcajada JP,Grau S

更新日期：2019-06-24 00:00:00

abstract：:Cystathionine gamma-lyase (EC 4.4.1.1) was purified from Streptomyces cattleya, an actinomycete which produces the unusual beta-lactam antibiotic thienamycin. The enzyme displays broad substrate specificity and is similar to gamma-lyases purified from other microorganisms. That the gamma-lyase functions in vivo to pro...

journal_title：Antimicrobial agents and chemotherapy

authors： Williamson JM,Meyer R,Inamine E

更新日期：1985-10-01 00:00:00

abstract：:Disk susceptibility tests with two structurally related aminoglycosides (amikacin and Sch 21420) were evaluated. Tests with 10- and 30-micrograms amikacin disks confirmed previous recommendations for interpretive zone standards; 30-micrograms disks are preferred. Tests with 10-, 20-, and 30-micrograms Sch 21420 disks ...

journal_title：Antimicrobial agents and chemotherapy

authors： Barry AL,Thornsberry C,Jones RN,Gerlach EH

更新日期：1980-10-01 00:00:00

abstract：:Oral administration of 2'-deoxy-3'-oxa-4'-thiocytidine (BCH-10652), a nucleoside analog structurally similar to lamivudine (3TC), caused dose-dependent inhibition of viral replication in SCID-hu Thy/Liv mice infected with human immunodeficiency virus type 1 NL4-3 and with an NL4-3 clone containing the M184V mutation i...

journal_title：Antimicrobial agents and chemotherapy

authors： Stoddart CA,Moreno ME,Linquist-Stepps VD,Bare C,Bogan MR,Gobbi A,Buckheit RW Jr,Bedard J,Rando RF,McCune JM

更新日期：2000-03-01 00:00:00

abstract：:Loss of viability of toxin-treated cells of Saccharomyces cerevisiae SCF 1717 could be prevented in the period before they altered physiologically if cells were incubated in media with a suitable concentration of potassium (0.08 to 0.13 M) and hydrogen ions (pH 6.2 to 6.7). Incorporation of higher amounts of potassium...

journal_title：Antimicrobial agents and chemotherapy

authors： Middelbeek EJ,Crützen QH,Vogels GD

更新日期：1980-10-01 00:00:00

abstract：:Heat shock protein 90 (Hsp90) is an essential chaperone involved in the fungal stress response that can be harnessed as a novel antifungal target for the treatment of invasive aspergillosis. We previously showed that genetic repression of Hsp90 reduced Aspergillus fumigatus virulence and potentiated the effect of the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lamoth F,Juvvadi PR,Soderblom EJ,Moseley MA,Asfaw YG,Steinbach WJ

更新日期：2014-01-01 00:00:00

abstract：:Mining existing agents that enhance the therapeutic potential of ergosterol biosynthesis inhibitors (EBI) is a promising approach to improve Chagas disease chemotherapy. In this study, we evaluated the effect of ravuconazole, an EBI, combined with amlodipine, a calcium channel blocker, upon Trypanosoma cruzi experimen...

journal_title：Antimicrobial agents and chemotherapy

authors： Machado YA,Bahia MT,Caldas IS,Mazzeti AL,Novaes RD,Vilas Boas BR,Santos LJS,Martins-Filho OA,Marques MJ,Diniz LF

更新日期：2020-07-22 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：:Spontaneous mutants of susceptible clinical and laboratory isolates of Streptococcus pneumoniae exhibiting reduced susceptibility to evernimicin (SCH27899; MIC, 0.5 to 4.0 mg/liter) were selected on plates containing evernimicin. Four isolates that did not harbor mutations in rplP (which encodes ribosomal protein L16)...

journal_title：Antimicrobial agents and chemotherapy

authors： Adrian PV,Mendrick C,Loebenberg D,McNicholas P,Shaw KJ,Klugman KP,Hare RS,Black TA

更新日期：2000-11-01 00:00:00

abstract：:A penicillin beta-lactamase (PCase) was extracted from Pseudomonas aeruginosa Rms139(+) and purified by means of column chromatography. The isoelectric point of Rms139 PCase was 5.7 and its molecular weight was 22,500 +/- 1,000. The optimal pH for the hydrolysis of benzylpenicillin was 7.0 to 7.5 and the optimal tempe...

journal_title：Antimicrobial agents and chemotherapy

authors： Sawada Y,Yaginuma S,Tai M,Iyobe S,Mitsuhashi S

更新日期：1976-01-01 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：:The effect of incubation with interferon prior to the stimulation of interferon production (priming) and of sequential treatment with cycloheximide and actinomycin D (superinduction) on the interferon yield from polyinosinic-polycytidylic acid (poly I.poly C)-induced diploid human foreskin cell cultures (FS-3 strain) ...

journal_title：Antimicrobial agents and chemotherapy

authors： Havell EA,Vilcek J

更新日期：1972-12-01 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：:Exposure-response analyses for efficacy and safety were performed for tigecycline-treated patients suffering from community-acquired pneumonia. Data were collected from two randomized, controlled clinical trials in which patients were administered a 100-mg loading dose followed by 50 mg of tigecycline every 12 h. A ca...

journal_title：Antimicrobial agents and chemotherapy

authors： Rubino CM,Bhavnani SM,Forrest A,Dukart G,Dartois N,Cooper A,Korth-Bradley J,Ambrose PG

更新日期：2012-01-01 00:00:00

abstract：:Caseinomacropeptide (CMP) is a heterogeneous C-terminal fragment (residues 106 to 169) of bovine milk kappa-casein composed of glycosylated and phosphorylated forms of different genetic variants. We have demonstrated that CMP has growth-inhibitory activity against the oral opportunistic pathogens Streptococcus mutans ...

journal_title：Antimicrobial agents and chemotherapy

authors： Malkoski M,Dashper SG,O'Brien-Simpson NM,Talbo GH,Macris M,Cross KJ,Reynolds EC

更新日期：2001-08-01 00:00:00

abstract：:The design of novel integrase (IN) inhibitors has been aided by recent crystal structures revealing the binding mode of these compounds with a full-length prototype foamy virus (PFV) IN and synthetic viral DNA ends. Earlier docking studies relied on incomplete structures and did not include the contribution of the vir...

journal_title：Antimicrobial agents and chemotherapy

authors： Johnson BC,Métifiot M,Pommier Y,Hughes SH

更新日期：2012-01-01 00:00:00

abstract：:Clostridioides difficile causes severe antibiotic-associated diarrhea and colitis. C. difficile is an anaerobic, Gram-positive sporeformer that is highly resistant to β-lactams, the most commonly prescribed antibiotics. The resistance of C. difficile to β-lactam antibiotics allows the pathogen to replicate and cause d...

journal_title：Antimicrobial agents and chemotherapy

authors： Sandhu BK,Edwards AN,Anderson SE,Woods EC,McBride SM

更新日期：2019-12-20 00:00:00

abstract：:The effect of protein binding on drug penetration into blister fluid was evaluated by using cefonicid, ceftizoxime, and cefotaxime. Drug concentrations in a chamber with a high surface area/volume ratio (i.e., paper disk) follow changes in serum more closely than do those in a chamber with a low surface area/volume ra...

journal_title：Antimicrobial agents and chemotherapy

authors： Shyu WC,Quintiliani R,Nightingale CH,Dudley MN

更新日期：1988-01-01 00:00:00

abstract：:Resistance to peptide deformylase inhibitors in Escherichia coli or Staphylococcus aureus is due to inactivation of transformylase activity. Knockout experiments in Streptococcus pneumoniae R6x indicate that the transformylase (fmt) and deformylase (defB) genes are essential and that a def paralog (defA) is not. Actin...

journal_title：Antimicrobial agents and chemotherapy

authors： Margolis P,Hackbarth C,Lopez S,Maniar M,Wang W,Yuan Z,White R,Trias J

更新日期：2001-09-01 00:00:00

abstract：:The most deadly outbreak of Escherichia coli O104:H4 occurred in Europe in 2011. Here, we evaluated the effects of the retrograde trafficking inhibitor Retro-2(cycl) in a murine model of E. coli O104:H4 infection. Systemic treatment with Retro-2(cycl) significantly reduced body weight loss and improved clinical scores...

journal_title：Antimicrobial agents and chemotherapy

authors： Secher T,Shima A,Hinsinger K,Cintrat JC,Johannes L,Barbier J,Gillet D,Oswald E

更新日期：2015-08-01 00:00:00

abstract：:Aggregatibacter actinomycetemcomitans, a periodontopathogen, has been associated with several systemic diseases. Herein, we report the protective effect of human lactoferrin (hLF) during A. actinomycetemcomitans bacteremia in lactoferrin knockout (LFKO(-/-)) mice. The prophylactic, concurrent, and therapeutic intraven...

journal_title：Antimicrobial agents and chemotherapy

authors： Velusamy SK,Poojary R,Ardeshna R,Alabdulmohsen W,Fine DH,Velliyagounder K

更新日期：2014-01-01 00:00:00

abstract：:The long-term therapeutic and toxic effects of 9-[2-(phosphonomethoxy)propyl]adenine (PMPA) were evaluated in simian immunodeficiency virus (SIV)-infected newborn rhesus macaques. Four untreated SIV-infected newborn macaques developed persistently high levels of viremia, and three of the four animals had rapidly fatal...

journal_title：Antimicrobial agents and chemotherapy

authors： Van Rompay KK,Cherrington JM,Marthas ML,Berardi CJ,Mulato AS,Spinner A,Tarara RP,Canfield DR,Telm S,Bischofberger N,Pedersen NC

更新日期：1996-11-01 00:00:00

abstract：:Exposure of any of six clinical isolates of Staphylococcus aureus to daptomycin alone or in combination with vancomycin or oxacillin (compared with vancomycin or oxacillin alone) led to a dampened macrophage inflammatory response with diminished tumor necrosis factor secretion and reduced accumulation of inducible nit...

journal_title：Antimicrobial agents and chemotherapy

authors： English BK,Maryniw EM,Talati AJ,Meals EA

更新日期：2006-06-01 00:00:00

abstract：:The penetration of ciprofloxacin into heart tissue (valve and myocardium), mediastinal fat, and sternal bone marrow was the object of a prospective nonrandomized study involving 36 patients undergoing mitral and/or aortic valve replacement. Patients were divided into two groups of 18. Group 1 patients were administere...

journal_title：Antimicrobial agents and chemotherapy

authors： Mertes PM,Voiriot P,Dopff C,Scholl H,Clavey M,Villemot JP,Canton P,Dureux JB

更新日期：1990-03-01 00:00:00