ArticleJournal of anesthesia2020
Is neurotransmitter release involved in the mechanism of general anesthesia?
Article in Journal of anesthesia, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 1 institution in 1 country.
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Abstract
introductionIt is believed that neurotransmitters release modulates general anesthesia via several receptors system which are molecular targets for anesthetic agents in young-adult rats. However, middle-aged rats have rarely been used. Therefore, we studied in this age group. MATERIALS AND
methodsAfter approval of our protocol by the institutional committee on animal research, 116 middle aged Sprague-Dawley rats were assigned to ketamine (K: n = 74) and propofol (P: n = 42) anesthesia groups. Rats were decapitated 0, 20 60 and 120 min after ip K (100 mg/kg) or P (80 mg/kg), respectively. Melanin-concentrating hormone (MCH), orexin A (OXA) and noradrenaline contents in the pons, hypothalamus, hippocampus and cerebrocortex were measured by a commercial enzyme-linked immunosorbent assay (ELISA) or high-performance liquid chromatography.
resultsNeurotransmitter content in all brain regions did not significantly change following K or P administration.
conclusionTherefore, we question whether neurotransmitter release contributes to general anesthesia.
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