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OBJECTIVES Extended-spectrum β-lactamases (ESBLs) have become a problem among AmpC-producing Enterobacteriaceae and the emergence of concomitant quinolone resistance in β-lactamase-producing isolates poses a global threat. In this study we investigated the prevalence and regional variation of ESBLs in Japanese clinical isolates of Citrobacter spp. and(More)
The incidence of extended-spectrum β-lactamases (ESBLs) has been increasing worldwide, but screening criteria for detection of ESBLs are not standardized for AmpC-producing Enterobacteriaceae such as Enterobacter species. In this study, we investigated the prevalence of ESBLs and/or AmpC β-lactamases in Japanese clinical isolates of Enterobacter spp. and(More)
Acute administration of typical and atypical antipsychotics has been reported to induce regionally distinct patterns of c-Fos expression in the rat forebrain. Furthermore, atypical index, the difference in the extent of increased Fos-like immunoreactivity (Fos-LI) in the nucleus accumbens (NAc) shell versus the dorsolateral striatum (DLSt), has been(More)
BACKGROUND Nontypeable Haemophilus influenzae is a particularly important cause of acute otitis media (AOM). There is a high prevalence of β-lactamase-nonproducing ampicillin-resistant (BLNAR) strains in Japanese children, which is associated with recurrent AOM and prolonged treatment. The aim of this study was to investigate the antimicrobial(More)
Acinetobacter sp. has emerged as a major hospital pathogen (8). The greatest concern has been the emergence of carbapenem resistance in Acinetobacter baumannii by the acquisition of OXA-type carbapenemase or metallo-lactamases, since few effective antimicrobial agents exist. Several mechanisms can underlie carbapenem resistance in A. baumannii (1), but less(More)
Molecular characterization of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) is generally conducted referred to staphylococcal cassette chromosome mec (SCCmec) type IV or V. CA-MRSA is now a cause of concern since such strains have been isolated not only from individuals in a community but also from patients in healthcare(More)
Stenotrophomonas maltophilia is an important pathogen in healthcare-associated infections. S. maltophilia may contain Smqnr, a quinolone resistance gene encoding the pentapeptide repeat protein, which confers low-level quinolone resistance upon expression in a heterologous host. We investigated the prevalence of Smqnr and plasmid-mediated quinolone(More)
Butoctamide hydrogen succinate (BAHS), related to an organic compound naturally occurring in the central nervous system (CNS), has been shown to increase REM sleep in chronically prepared cats. In the present study, we confirmed that BAHS increases REM sleep in healthy humans. The subjects were six males whose mean age was 21 years and the experiment(More)
Butoctamide hydrogen succinate (BAHS), which is related to an organic compound naturally occurring in CSF, has been demonstrated to increase REM sleep in cats and yound adults. In the present study, BAHS was confirmed also to increase REM sleep in healthy aged subjects. The subjects were six females (68–77 years of age). The experiment covered 8 consecutive(More)