abstract：:The human and veterinary disease complex known as African trypanosomiasis continues to inflict significant global morbidity, mortality, and economic hardship. Drug resistance and toxic side effects of old drugs call for novel and unorthodox strategies for new and safe treatment options. We designed methyltriazenyl pur...

journal_title：Antimicrobial agents and chemotherapy

authors： Rodenko B,Wanner MJ,Alkhaldi AA,Ebiloma GU,Barnes RL,Kaiser M,Brun R,McCulloch R,Koomen GJ,de Koning HP

更新日期：2015-11-01 00:00:00

abstract：UNLABELLED:Peramivir is an intravenous anti-influenza agent that inhibits viral growth by selectively inhibiting neuraminidase in human influenza A and B viruses. To characterize its pharmacokinetics, a population pharmacokinetic analysis of peramivir was performed using 3,199 plasma concentration data samples from 332...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsuo Y,Ishibashi T,Hollister AS,Wajima T

更新日期：2015-11-01 00:00:00

abstract：:Carbapenem-resistant Enterobacteriaceae carrying New Delhi metallo-β-lactamase 1 (NDM-1) have rarely been reported in Latin America. We report of an outbreak caused by a blaNDM-1-harboring plasmid spread through different bacterial species, including Escherichia coli (ST617) and Enterobacter cloacae (ST182) isolates f...

journal_title：Antimicrobial agents and chemotherapy

authors： Torres-González P,Bobadilla-Del Valle M,Tovar-Calderón E,Leal-Vega F,Hernández-Cruz A,Martínez-Gamboa A,Niembro-Ortega MD,Sifuentes-Osornio J,Ponce-de-León A

更新日期：2015-11-01 00:00:00

abstract：:The unbound drug hypothesis states that only unbound drug concentrations are active and available for clearance, and highly variable results regarding unbound vancomycin fractions have been reported in the literature. We have determined the unbound vancomycin fractions in four different patient groups by a liquid chro...

journal_title：Antimicrobial agents and chemotherapy

authors： Oyaert M,Spriet I,Allegaert K,Smits A,Vanstraelen K,Peersman N,Wauters J,Verhaegen J,Vermeersch P,Pauwels S

更新日期：2015-11-01 00:00:00

abstract：:The global spread of carbapenem-resistant Klebsiella pneumoniae (CR-Kp) has been largely associated with sequence type 258 (ST258) and its related variants (clonal group 258 [CG258]). Here we describe the molecular epidemiology of CR-Kp from five tertiary care hospitals in Medellín, the second largest city in Colombia...

journal_title：Antimicrobial agents and chemotherapy

authors： Ocampo AM,Chen L,Cienfuegos AV,Roncancio G,Chavda KD,Kreiswirth BN,Jiménez JN

更新日期：2015-10-26 00:00:00

abstract：:The promotion of colonization with vancomycin-resistant enterococci (VRE) is one potential side effect during treatment of Clostridium difficile-associated diarrhea (CDAD), resulting from disturbances in gut microbiota. Cadazolid (CDZ) is an investigational antibiotic with potent in vitro activity against C. difficile...

journal_title：Antimicrobial agents and chemotherapy

authors： Seiler P,Enderlin-Paput M,Pfaff P,Weiss M,Ritz D,Clozel M,Locher HH

更新日期：2015-10-26 00:00:00

abstract：:Isavuconazole is a novel, broad-spectrum, antifungal azole. In order to evaluate its interactions with known azole resistance mechanisms, isavuconazole susceptibility among different yeast models and clinical isolates expressing characterized azole resistance mechanisms was tested and compared to those of fluconazole,...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanglard D,Coste AT

更新日期：2015-10-19 00:00:00

abstract：:GSK1322322 is a novel inhibitor of peptide deformylase (PDF) with good in vitro activity against bacteria associated with community-acquired pneumonia and skin infections. We have characterized the in vivo pharmacodynamics (PD) of GSK1322322 in immunocompetent animal models of infection with Streptococcus pneumoniae a...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoover J,Lewandowski T,Straub RJ,Novick SJ,DeMarsh P,Aubart K,Rittenhouse S,Zalacain M

更新日期：2015-10-19 00:00:00

abstract：:Acinetobacter baumannii is a Gram-negative bacterium that causes nosocomial infections worldwide. This microbe's propensity to form biofilms allows it to persist and to survive on clinical abiotic surfaces for long periods. In fact, A. baumannii biofilm formation and its multidrug-resistant nature severely compromise ...

journal_title：Antimicrobial agents and chemotherapy

authors： Krishnamoorthy S,Shah BP,Lee HH,Martinez LR

更新日期：2015-10-12 00:00:00

abstract：:Pyrazinamide (PZA) has important sterilizing activity in tuberculosis (TB) chemotherapy. We describe trends, risk factors, and molecular epidemiology associated with PZA-resistant (PZA(r)) Mycobacterium tuberculosis in New York City (NYC). From 2001 to 2008, all incident culture-positive TB cases reported by the NYC D...

journal_title：Antimicrobial agents and chemotherapy

authors： Verdugo D,Fallows D,Ahuja S,Schluger N,Kreiswirth B,Mathema B

更新日期：2015-10-01 00:00:00

abstract：:Streptomyces bacteria are renowned for their ability to produce bioactive secondary metabolites. Recently, synthetic biology has enabled the production of intermediates and shunt products, which may have altered biological activities compared to the end products of the pathways. Here, we have evaluated the potential o...

journal_title：Antimicrobial agents and chemotherapy

authors： Oja T,San Martin Galindo P,Taguchi T,Manner S,Vuorela PM,Ichinose K,Metsä-Ketelä M,Fallarero A

更新日期：2015-10-01 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：:Macrolides are the antimicrobials of choice for treating human campylobacteriosis. The recent emergence of erm(B) in Campylobacter bacteria threatens the utility of this class of antibiotics. Here we report the constitutive and inducible expression of erm(B) in Campylobacter isolates derived from diarrheal patients an...

journal_title：Antimicrobial agents and chemotherapy

authors： Deng F,Shen J,Zhang M,Wu C,Zhang Q,Wang Y

更新日期：2015-10-01 00:00:00

abstract：:We present a 31-year-old female who had undergone an allogeneic bone marrow transplantation and who was started on intravenous posaconazole for pulmonary mycosis while undergoing continuous venovenous hemofiltration (CVVH). We performed steady-state pharmacokinetic evaluations for both posaconazole and sulfobutylether...

journal_title：Antimicrobial agents and chemotherapy

authors： Morris AA,Mueller SW,Rower JE,Washburn T,Kiser TH

更新日期：2015-10-01 00:00:00

abstract：:This study describes the population pharmacokinetics of fosfomycin in critically ill patients. In this observational study, serial blood samples were taken over several dosing intervals of intravenous fosfomycin treatment. Blood samples were analyzed using a validated liquid chromatography-tandem mass spectrometry tec...

journal_title：Antimicrobial agents and chemotherapy

authors： Parker SL,Frantzeskaki F,Wallis SC,Diakaki C,Giamarellou H,Koulenti D,Karaiskos I,Lipman J,Dimopoulos G,Roberts JA

更新日期：2015-10-01 00:00:00

abstract：:There is increasing interest in the use of lipophilic copper (Cu)-containing complexes to combat bacterial infections. In this work, we showed that Cu complexes with bis(thiosemicarbazone) ligands [Cu(btsc)] exert antibacterial activity against a range of medically significant pathogens. Previous work using Neisseria ...

journal_title：Antimicrobial agents and chemotherapy

authors： Djoko KY,Goytia MM,Donnelly PS,Schembri MA,Shafer WM,McEwan AG

更新日期：2015-10-01 00:00:00

abstract：:In view of increasing health threats from multiresistant pathogens, antimicrobial peptides (AMPs) and, specifically, proline-rich AMPs (PrAMPs) have been investigated in animal models. PrAMPs enter bacteria via the ABC transporter SbmA and inhibit intracellular targets. We used phage transduction (Tn10 insertion) to s...

journal_title：Antimicrobial agents and chemotherapy

authors： Krizsan A,Knappe D,Hoffmann R

更新日期：2015-10-01 00:00:00

abstract：:The spread of antibiotic resistance among Gram-negative bacteria is a serious clinical threat, and infections with these organisms are a leading cause of mortality worldwide. Traditional novel drug development inevitably leads to the emergence of new resistant strains, rendering the new drugs ineffective. Therefore, r...

journal_title：Antimicrobial agents and chemotherapy

authors： Soren O,Brinch KS,Patel D,Liu Y,Liu A,Coates A,Hu Y

更新日期：2015-10-01 00:00:00

abstract：:Methicillin-resistant Staphylococcus aureus (MRSA) is a common pathogen associated with nosocomial pneumonia and is an increasing threat for severe community-acquired pneumonia. We have now investigated the role of interleukin-12 (IL-12) in protective immunity against lung infection with MRSA. The importance of IL-12 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nguyen QT,Furuya Y,Roberts S,Metzger DW

更新日期：2015-10-01 00:00:00

abstract：:Fungal infections are a leading cause of morbidity and death for hospitalized patients, mainly because they remain difficult to diagnose and to treat. Diseases range from widespread superficial infections such as vulvovaginal infections to life-threatening systemic candidiasis. For systemic mycoses, only a restricted ...

journal_title：Antimicrobial agents and chemotherapy

authors： Keller P,Müller C,Engelhardt I,Hiller E,Lemuth K,Eickhoff H,Wiesmüller KH,Burger-Kentischer A,Bracher F,Rupp S

更新日期：2015-10-01 00:00:00

abstract：:We previously demonstrated that ginsenosides Rg1 and Re enhanced the immune response in C3H/HeB mice but not in C3H/HeJ mice carrying a mutation in the Tlr4 gene. The results of the present study showed that both Rg1 and Re inhibited mRNA expression and production of proinflammatory mediators that included tumor necro...

journal_title：Antimicrobial agents and chemotherapy

authors： Su F,Xue Y,Wang Y,Zhang L,Chen W,Hu S

更新日期：2015-09-01 00:00:00

abstract：:We have previously identified a target site in HIV-1 RNA that was particularly accessible to a ribozyme and a short hairpin RNA (shRNA). To design small interfering RNAs (siRNAs) targeting this site, we evaluated the effects of siRNAs with different lengths on HIV-1 production. The potency and efficacy of these siRNAs...

journal_title：Antimicrobial agents and chemotherapy

authors： Scarborough RJ,Adams KL,Daher A,Gatignol A

更新日期：2015-09-01 00:00:00

abstract：:Despite the availability of >30 effective drugs for managing HIV-1 infection, no current therapy is curative, and long-term management is challenging owing to the emergence and spread of drug-resistant mutants. Identification of drugs against novel HIV-1 targets would expand the current treatment options and help to c...

journal_title：Antimicrobial agents and chemotherapy

authors： Halambage UD,Wong JP,Melancon BJ,Lindsley CW,Aiken C

更新日期：2015-09-01 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 aim of the study was to identify the plasmid-encoded factors contributing to the emergence and spread of epidemic IncI1-Iγ plasmids obtained from Escherichia coli and Salmonella enterica isolates from animal and human reservoirs. For this, 251 IncI1-Iγ plasmids carrying various extended-spectrum β-lactamase (ESBL)...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith H,Bossers A,Harders F,Wu G,Woodford N,Schwarz S,Guerra B,Rodríguez I,van Essen-Zandbergen A,Brouwer M,Mevius D

更新日期：2015-09-01 00:00:00

abstract：:The direct or indirect interactions that antifungals have with the host immune response may play a significant role in defining their activity in vivo. However, the impact that acquired antifungal resistance has on the immunopharmacologic activity of antifungals is not well described. We assessed the immunopharmacolog...

journal_title：Antimicrobial agents and chemotherapy

authors： Beyda ND,Liao G,Endres BT,Lewis RE,Garey KW

更新日期：2015-09-01 00:00:00

abstract：:The in vitro activity of the aminoglycoside 6'-N-acetyltransferase type Ib [AAC(6')-Ib] was inhibited by CuCl2 with a 50% inhibitory concentration (IC50) of 2.8 μM. The growth of an amikacin-resistant Klebsiella pneumoniae strain isolated from a neonate with meningitis was inhibited when amikacin was supplemented by t...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiem K,Fuentes BA,Lin DL,Tran T,Jackson A,Ramirez MS,Tolmasky ME

更新日期：2015-09-01 00:00:00

abstract：:Additional drugs are needed for the treatment of multidrug-resistant tuberculosis (TB). Sulfamethoxazole has been shown to have in vitro activity against Mycobacterium tuberculosis; however, there is concern about resistance given the widespread use of trimethoprim-sulfamethoxazole prophylaxis among HIV-infected patie...

journal_title：Antimicrobial agents and chemotherapy

authors： Ogwang S,Good CE,Okware B,Nsereko M,Jacobs MR,Boom WH,Bark CM

更新日期：2015-09-01 00:00:00

abstract：:Aspergillus fumigatus is the primary etiologic agent of invasive aspergillosis (IA), a major cause of death among immunosuppressed patients. Echinocandins (e.g., caspofungin) are increasingly used as second-line therapy for IA, but their activity is only fungistatic. Heat shock protein 90 (Hsp90) was previously shown ...

journal_title：Antimicrobial agents and chemotherapy

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

更新日期：2015-08-01 00:00:00

abstract：:Vancomycin-resistant enterococci (VRE) are endemic in health care settings. These organisms colonize the gastrointestinal tract and can lead to infection which is associated with increased mortality. There is no treatment for VRE colonization. We conducted a randomized, double-blind, placebo-controlled clinical trial ...

journal_title：Antimicrobial agents and chemotherapy

authors： Doron S,Hibberd PL,Goldin B,Thorpe C,McDermott L,Snydman DR

更新日期：2015-08-01 00:00:00

abstract：:We evaluated the combination of posaconazole with amphotericin B in vitro and in a murine model of systemic infections caused by Sporothrix brasiliensis and Sporothrix schenckii sensu stricto. In vitro data demonstrated a synergistic effect, and although posaconazole alone was effective against sporotrichosis, efficac...

journal_title：Antimicrobial agents and chemotherapy

authors： Mario DN,Guarro J,Santurio JM,Alves SH,Capilla J

更新日期：2015-08-01 00:00:00

abstract：:We aimed to examine the effects of resistance mechanisms on several resistance phenotypes among carbapenem-resistant Klebsiella pneumoniae isolates with borderline carbapenem MICs. We compared carbapenemase-negative K. pneumoniae with carbapenemase-producing K. pneumoniae (CPKP) isolates with similar MICs. CPKP isolat...

journal_title：Antimicrobial agents and chemotherapy

authors： Adler A,Ben-Dalak M,Chmelnitsky I,Carmeli Y

更新日期：2015-08-01 00:00:00

abstract：:Therapeutic drug monitoring (TDM) of second-line antituberculosis drugs would allow for optimal individualized dosage adjustments and improve drug safety and therapeutic outcomes. To evaluate the pharmacokinetic (PK) characteristics of clinically relevant, multidrug treatment regimens and to improve the feasibility of...

journal_title：Antimicrobial agents and chemotherapy

authors： Park SI,Oh J,Jang K,Yoon J,Moon SJ,Park JS,Lee JH,Song J,Jang IJ,Yu KS,Chung JY

更新日期：2015-08-01 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：: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：:MprF is responsible for the lysinylation of phosphatidylglycerol (PG) to synthesize the positively charged phospholipid (PL) species, lysyl-PG (L-PG). It has been proposed that the single-nucleotide polymorphisms (SNPs) within the mprF open reading frame (ORF) are associated with a gain-in-function phenotype in terms ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bayer AS,Mishra NN,Chen L,Kreiswirth BN,Rubio A,Yang SJ

更新日期：2015-08-01 00:00:00

abstract：:Cytomegalovirus can cause debilitating and life-threatening disease in newborns infected in utero and immunocompromised individuals, including transplant recipients. RG7667 is a unique combination of two monoclonal antibodies that binds glycoprotein complexes on the surface of cytomegalovirus and inhibits its entry in...

journal_title：Antimicrobial agents and chemotherapy

authors： Ishida JH,Burgess T,Derby MA,Brown PA,Maia M,Deng R,Emu B,Feierbach B,Fouts AE,Liao XC,Tavel JA

更新日期：2015-08-01 00:00:00

abstract：:Chronic wound infections are associated with biofilm formation, which in turn has been correlated with drug resistance. However, the mechanism by which bacteria form biofilms in clinical environments is not clearly understood. This study was designed to investigate the biofilm formation potency of Acinetobacter bauman...

journal_title：Antimicrobial agents and chemotherapy

authors： He X,Lu F,Yuan F,Jiang D,Zhao P,Zhu J,Cheng H,Cao J,Lu G

更新日期：2015-08-01 00:00:00

abstract：:The objective of this study was to determine risk factors for the development of resistance to β-lactams/β-lactamase inhibitors (βL/βLIs) and ertapenem among Bacteroides species bacteremia. We conducted a retrospective case-control study of 101 adult patients with Bacteroides species bacteremia at a 1,051-bed tertiary...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith JM,Avdic E,Tamma PD,Zhang L,Carroll KC,Cosgrove SE

更新日期：2015-08-01 00:00:00

abstract：:Artemisinins are peroxidic antimalarial drugs known to be very potent but highly chemically unstable; they degrade in the presence of ferrous iron, Fe(II)-heme, or biological reductants. Less documented is how this translates into chemical stability and antimalarial activity across a range of conditions applying to in...

journal_title：Antimicrobial agents and chemotherapy

authors： Parapini S,Olliaro P,Navaratnam V,Taramelli D,Basilico N

更新日期：2015-07-01 00:00:00