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We investigated whether LPS-induced hypothermia develops in a serotype-specific manner in biotelemetered conscious rats. Two different Escherichia coli serotypes of LPSs were injected at a dose of 250 mug/kg ip. E. coli O55:B5 LPS elicited an initial hypothermia and subsequent fever, but E. coli O111:B4 LPS caused more potent monophasic hypothermia. Serum(More)
This study was undertaken to evaluate the role of brain PGD2 activity during PTZ induced seizures in rats. Potentiation of endogenous PGD2 activity caused an anti-convulsant effect. Thus, after PGD2 injection (5 microg/icv) the latency of generalized tonic clonic convulsions was prolonged. ZK 118.182, a stable analogue of PGD2, dose-dependently inhibited(More)
Effects of different doses of aspirin, compared to equimolar doses of nitric oxide (NO)-donating aspirin (NCX 4016), and of a single dose of paracetamol, compared to an equimolar dose of NO-donating paracetamol (NCX 701) were investigated in acute zymosan-induced air pouch inflammation in rats. Treatments were administered by orogastric route, and(More)
The aim of this study was to assess the efficacy and pharmacokinetic profiles of gentamicin, vancomycin, and levofloxacin in a rat air pouch model, in which Staphylococcus aureus (ATCC 25293) was used as the test organism. Antibiotic treatments (i.p.) were started 1 hour after bacterial inoculation and continued for 5 days. Bacterial counts and antibiotic(More)
BACKGROUND Recent experimental evidence suggests that lipopolysaccharide (LPS)-induced hypothermia is an adaptive thermoregulatory strategy against immunological challenge in rats. We hypothesized that the hormones which are predominantly responsible for energy homeostasis may have efferent signaling roles for development of the hypothermia. AIM The aim(More)
The neuronal excitability has been evaluated at various phases of lipopolysaccharide (LPS; E. coli O111:B4, 250 μg/kg, ip)-induced hypothermia including the initial phase, the plateau (including the nadir) and the end of the response in biotelemetered adult Wistar rats. The latency of pentylenetetrazole-induced seizures (60 mg/kg, ip) was lower at the(More)
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