Abstract
The understanding of neurochemical changes associated with the evolution of brain edema is a prerequisite to the development of newer and more effective treatments of this condition. During brain edema, phospholipids and their long-chain highly unsaturated acyl groups, especially arachidonic and docosahexaenoic acids, have been postulated to be the earliest membrane components altered17. This is based on the finding that there is an increase in free fatty acid pool size at the onset of ischemia7,10,13,15,21,30,36,37,39,44, carotid artery ligation , and hypoxia . This lipid effect has been seen in several animals, including primates’. Arachidonic, stearic, docosahexaenoic, palmitic, and oleic acids are produced rapidly at the onset of ischemia”. Using head-focus microwave irradiation, it has been shown that rapid brain fixation reduces the free fatty acid pool size to trace levels and that accumulation of these free fatty acids already can be measured during the first few seconds of oxygen deprivation21.
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Bazan, N.G., Politi, E., de Rodriguez Turco, E.B. (1984). Endogenous Pools of Arachidonic Acid-Enriched Membrane Lipids in Cryogenic Brain Edema. In: Go, K.G., Baethmann, A. (eds) Recent Progress in the Study and Therapy of Brain Edema. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-4616-6_19
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DOI: https://doi.org/10.1007/978-1-4684-4616-6_19
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