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41.
REM sleep deprivation decreases the grooming and shaking behaviour induced by enkephalinase inhibitor or opiate withdrawal 总被引:1,自引:0,他引:1
O E Ukponmwan A L vd Poel-Heisterkamp M R Dzoljic 《Pharmacology, biochemistry, and behavior》1985,23(3):385-389
Intraventricular administration of enkephalinase inhibitor, phosphoramidon (1 X 10(-8)-5.6 X 10(-7) moles ICV) induced a behavioural syndrome consisting of excessive grooming with the body scratching as the most prominent symptom and wet-dog-shakes (WDS). The frequency of the phosphoramidon-induced WDS and body scratching were decreased by the pretreatment with the opiate receptor blocking agent, naltrexone (2.9 X 10(-6) moles/kg IP). Both the phosphoramidon-induced WDS in naive rats and naloxone-precipitated withdrawal WDS were decreased in REM sleep deprived rats compared with animals allowed normal sleep (control and stress groups). The results are discussed in light of a possible functional insufficiency of endorphinergic system during REMSD. It has been suggested that this insufficiency might be a background to the increased neuronal excitability during REMSD. 相似文献
42.
Kanu OO Ukponmwan E Bankole O Olatosi JO Arigbabu SO 《Journal of neurosurgery. Pediatrics》2011,7(3):311-315
Dental infection as a cause of epidural abscess is rare compared with other forms of intracranial suppurations. A 10-year-old boy was seen because of headaches and fever. There was no history of otitis media or sinusitis, but he had sought care for dental complaints. The patient was from an upper-middle-class family, was not immunocompromised, and had no other risk factor for a major infection. A CT brain scan confirmed a frontal epidural abscess. The patient underwent emergency surgery for evacuation of the epidural abscess, followed by antimicrobial therapy. His condition improved remarkably following surgery, with complete resolution of symptoms. He subsequently underwent extraction of 2 teeth following dental review. Dental infection as a cause of intracranial epidural abscess is rare, but should be considered when evaluating patients for intracranial infections. A review of the literature sheds light on the causal relationship and possible pathogenesis of this condition. 相似文献