The effects of hypoxia and opioid receptor agonists treatment in cortical B50 neuronal cells in culture
Ibegbu, A.O., Fyfe, L., MacBean, D. and Mullaney, I. (2012) The effects of hypoxia and opioid receptor agonists treatment in cortical B50 neuronal cells in culture. Journal of Biological & Environmental Sciences, 6 (18). pp. 219-231.
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Hypoxia has been implicated in nerve cell deaths in many neurological disorders and opioid receptor agonists have some positive benefits on the nervous system. The aim of the present work was to investigate the effects of hypoxia and opioid receptor agonists’ treatment on the morphology of B50 cells cultured in hypoxia using neuronal pattern and pattern formation as a case study. The B50 cells were cultured in normal incubator (21%O2; 5% CO2) as the control group and hypoxic incubator (5%O2; 5% CO2) as the experimental group and three opioid receptor agonists namely DAMGO (μ), DSLET (δ) and ICI-199,441 (κ) were administered to the cells for 48 hours as treatment against hypoxia after 48 hours of culture at 10μM, 50μM and 100μM concentrations. Neuronal morphology and wellbeing was assessed using same field morphological assessment and lactate dehydrogenase leakage (LDH). The result showed groups of dead and degenerating B50 neuronal cells, altered neuronal pattern and pattern formation and some significant changes (P<0.05) in cellular levels of LDH leakage in normal, hypoxic cells and cells treated with different agonists. The changes in morphology, neuronal pattern and LDH release indicate that hypoxia induced morphological and cellular changes in B50 cells in hypoxia and opioid agonists have some potential benefits in the treatment of hypoxia-induced changes in B50 cells in culture.
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