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Peng Zhang et al.
Journal of clinical pharmacology, 50(8), 858-860 (2010-02-13)
Prolonged prosthetic life span is a goal that orthopedic surgeons are pursuing. Both septic and aseptic loosening may lead to prosthetic failure. For decades, antibiotics have been applied in arthroplasty to prevent septic loosening, with excellent clinical results, although few
Noureddin Nakhostin Ansari et al.
Physiotherapy theory and practice, 31(3), 166-172 (2014-12-17)
Therapeutic ultrasound, an important physiotherapy modality, has been used successfully in the treatment of patients with chronic rhinosinusitis (CRS). No study has compared pulsed ultrasound (PUS) with erythromycin phonophoresis (EP). The aim of this randomized, double-blind, parallel group study with
Corinna Kehrenberg et al.
Antimicrobial agents and chemotherapy, 53(2), 779-781 (2008-12-03)
Methicillin-resistant Staphylococcus aureus clonal lineage ST398 and methicillin-susceptible lineage ST9 strains have their main reservoir in swine but can colonize and cause infections in humans. The phenicol/lincosamide/oxazolidinone/pleuromutilin/streptogramin A multidrug resistance gene cfr was detected in isolates of both clonal lineages
Yaoquan Liu et al.
Bioorganic & medicinal chemistry letters, 20(19), 5658-5661 (2010-08-31)
A series of 9-dihydroerythromycin A and B analogues with modification of the desosamine nitrogen have been synthesized and screened for motilin agonist activity, antibiotic activity, tachyphylaxis and hERG channel current inhibition. Small alkyl groups resulted in the potency while compounds
Dave Bryson Caldwell et al.
Antimicrobial agents and chemotherapy, 52(11), 3947-3954 (2008-09-10)
Previous studies of macrolide resistance in Campylobacter were primarily focused on strains from various origins or used in vitro systems. In this study, we conducted both in vitro and in vivo experiments to examine the development, stability, and genetic basis
Stephen J Baker et al.
Bioorganic & medicinal chemistry letters, 16(23), 5963-5967 (2006-09-26)
A series of borinic acid picolinate esters were synthesized and screened for their minimum inhibitory concentration (MIC) against Gram-positive and -negative bacteria. Our lead compounds were then screened for anti-inflammatory activity. From these studies, we identified 3-hydroxypyridine-2-carbonyloxy-bis(3-chloro-4-methylphenyl)borane (2g, AN0128) as
James J Leyden
Journal of drugs in dermatology : JDD, 11(12), 1434-1438 (2013-02-05)
To quantify the antimicrobial effect of clindamycin phosphate 1.2% and tretinoin 0.025% gel and 1% clindamycin phosphate gel in patients with Propionibacterium acnes of varying sensitivity to clindamycin. Study 1 was an initial range-finding study that was neither blinded nor
Y Li et al.
Molecular oral microbiology, 30(5), 376-383 (2015-04-22)
Streptococcus mutans is a primary pathogen responsible for dental caries. It has an outstanding ability to form biofilm, which is vital for virulence. Previous studies have shown that knockout of Wall-associated protein A (WapA) affects cell chain and biofilm formation
Yaya Rukayadi et al.
Antimicrobial agents and chemotherapy, 53(10), 4529-4532 (2009-08-05)
In vitro antistaphylococcal activities of panduratin A, a natural chalcone compound isolated from Kaempferia pandurata Roxb, were compared to those of commonly used antimicrobials against clinical staphylococcal isolates. Panduratin A had a MIC at which 90% of bacteria were inhibited
Qian Wang et al.
Antimicrobial agents and chemotherapy, 54(6), 2707-2711 (2010-03-17)
Biofilm formation in Staphylococcus epidermidis is mediated by icaADBC-dependent and -independent pathways. Subinhibitory concentrations of erythromycin, azithromycin, and clarithromycin enhanced, in a dose-dependent manner, the level of biofilm formation by 20% (21/105 isolates) by macrolide-resistant ica-positive and -negative isolates tested
Giovanni Appendino et al.
Journal of natural products, 69(2), 251-254 (2006-02-28)
An investigation of the polar glycosidic fraction from the leaves of myrtle afforded four galloylated nonprenylated phloroglucinol glucosides (3a-d) related to the endoperoxide hormone G3 (4) in terms of structure and biogenesis. Despite their close similarity, significant antibacterial activity was
Sarbani Mohan et al.
Molecular immunology, 62(1), 249-264 (2014-07-22)
Streptococcus pneumoniae is a Gram-positive bacterium, causing acute sinusitis, otitis media, and severe diseases such as pneumonia, bacteraemia, meningitis and sepsis. Here we identify elongation factor Tu (Tuf) as a new Factor H binding protein of S. pneumoniae. The surface
Tom D Heightman et al.
Bioorganic & medicinal chemistry letters, 18(24), 6423-6428 (2008-11-05)
High-throughput screening resulted in the identification of a series of novel motilin receptor agonists with relatively low molecular weights. The series originated from an array of biphenyl derivatives designed to target 7-transmembrane (7-TM) receptors. Further investigation of the structure-activity relationship
Site-directed mutagenesis reveals amino acid residues in the Escherichia coli RND efflux pump AcrB that confer macrolide resistance.
Caroline Wehmeier et al.
Antimicrobial agents and chemotherapy, 53(1), 329-330 (2008-10-22)
C R Bourne et al.
Antimicrobial agents and chemotherapy, 54(9), 3825-3833 (2010-07-08)
The bacterial burden on human health is quickly outweighing available therapeutics. Our long-term goal is the development of antimicrobials with the potential for broad-spectrum activity. We previously reported phthalazine-based inhibitors of dihydrofolate reductase (DHFR) with potent activity against Bacillus anthracis
Giovanni Appendino et al.
Journal of natural products, 71(8), 1427-1430 (2008-08-07)
Marijuana (Cannabis sativa) has long been known to contain antibacterial cannabinoids, whose potential to address antibiotic resistance has not yet been investigated. All five major cannabinoids (cannabidiol (1b), cannabichromene (2), cannabigerol (3b), Delta (9)-tetrahydrocannabinol (4b), and cannabinol (5)) showed potent
Macrolides and bronchiectasis: clinical benefit with a resistance price.
J Stuart Elborn et al.
JAMA, 309(12), 1295-1296 (2013-03-28)
J Hummelova et al.
Letters in applied microbiology, 60(3), 242-247 (2014-11-26)
In this study, we tested 15 naturally occurring isoflavones and their metabolites for their possible antibacterial properties against nine Gram-positive and Gram-negative bacteria. The in vitro antibacterial activity was determined using the broth microdilution method, and the results were expressed
Jang-Gi Choi et al.
Asian Pacific journal of tropical medicine, 8(7), 538-542 (2015-08-16)
To investigate the antibacterial activity of SHH extracted with either water or ethanol against methicillin-resistant Staphylococcus aureus (MRSA) and combinatory antimicrobial effect with ciprofloxacin (CIP) by time kill assay and checkerboard dilution test. The antibacterial activity determined by broth dilution
Helio S Sader et al.
Antimicrobial agents and chemotherapy, 52(3), 1153-1155 (2008-01-09)
Two investigational anti-methicillin-resistant Staphylococcus aureus (anti-MRSA) beta-lactams, ceftaroline (a cephalosporin) and ME1036 (a carbapenem), were subjected to susceptibility testing by reference broth microdilution methods using 152 strains of community-acquired MRSA from the United States (47 medical centers). Ceftaroline and ME1036
Sean Ekins et al.
Drug metabolism and disposition: the biological fate of chemicals, 38(12), 2302-2308 (2010-09-17)
Drug-induced liver injury (DILI) is one of the most important reasons for drug development failure at both preapproval and postapproval stages. There has been increased interest in developing predictive in vivo, in vitro, and in silico models to identify compounds
Nadine Wittkopf et al.
PloS one, 10(3), e0118401-e0118401 (2015-03-24)
Gastrointestinal infections with EHEC and EPEC are responsible for outbreaks of diarrheal diseases and represent a global health problem. Innate first-line-defense mechanisms such as production of mucus and antimicrobial peptides by intestinal epithelial cells are of utmost importance for host
Genetic elements responsible for erythromycin resistance in streptococci.
Pietro E Varaldo et al.
Antimicrobial agents and chemotherapy, 53(2), 343-353 (2008-11-13)
Chao Cong et al.
European journal of medicinal chemistry, 46(7), 3105-3111 (2011-04-29)
Novel 4″-O-benzimidazolyl clarithromycin derivatives were designed, synthesized and evaluated for their in vitro antibacterial activities. These benzimidazolyl derivatives exhibited excellent activity against erythromycin-susceptible strains better than the references, and some of them showed greatly improved activity against erythromycin-resistant strains. Compounds
C Ma et al.
Mini reviews in medicinal chemistry, 10(4), 272-286 (2010-05-18)
The rapid emergence of drug resistance intensified the search for new antimicrobial agents, leading to lots of novel derivatives obtained from 14- and 15-membered macrolides by chemical modifications. Many of them exhibited enhanced antibacterial activity and expanded antibacterial spectrum. Especially
C Nagelreiter et al.
International journal of pharmaceutics, 478(2), 429-438 (2014-12-06)
In order to customise treatment for patients, topical formulations are often diluted with drug-free cream bases to adjust the drug dose and thereby the formulations' activity to the patients' needs. However, the process of dilution influences properties of the formulations.
Verónica Rodriguez-Nava et al.
Medical microbiology and immunology, 204(4), 493-504 (2014-10-27)
Some bacterial species recovered from the airways of cystic fibrosis (CF) patients are indisputably associated with lung infections, whereas the clinical relevance of others, such as Nocardia spp., remains unclear. Sixteen French CF cases of colonization/infection with Nocardia spp. were
Ken-ichi Nakao et al.
Antimicrobial agents and chemotherapy, 53(12), 5308-5311 (2009-09-30)
Antimicrobial susceptibilities of 23 strains of Desulfovibrio spp. were tested by Etest. Generally, Desulfovibrio spp. were highly susceptible to sulbactam-ampicillin, meropenem, clindamycin, metronidazole, and chloramphenicol: MIC(90)s of 6, 4, 0.19, 0.25, and 8 microg/ml, respectively. In addition, these strains generally
Mirva Lehtopolku et al.
Antimicrobial agents and chemotherapy, 54(3), 1232-1236 (2009-12-30)
There is a paucity of information regarding antimicrobial agents that are suitable to treat severe infections caused by multidrug-resistant Campylobacter spp. Our aim was to identify agents that are potentially effective against multiresistant Campylobacter strains. The in vitro activities of
Ayako Kasai et al.
Journal of medical microbiology, 64(7), 708-713 (2015-05-03)
Although Moraxella catarrhalis is known to be susceptible to macrolides, highly macrolide-resistant M. catarrhalis isolates have recently been reported in Japan and China. In this study, we investigated the prevalence of macrolide-resistant M. catarrhalis isolates in Tokyo and Chiba, Japan
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