Local cerebral glucose utilization during intracerebral pH changes

Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism
D Van NimmenI Leusen

Abstract

The effect of ventriculocisternal perfusion with mock CSF with alkaline or acidic pH on the local CMRglu (LCMRglu) in the caudatoputamen was studied in artificially ventilated and relaxed rats. In control rats both lateral cerebral ventricles were perfused with mock CSF at pH 7.4. In the experimental series one cerebral ventricle was infused with normal mock CSF while the other was infused with mock CSF in which the pH was decreased or increased by changing [HCO-3]. LCMRglu was depressed in acidotic brain tissue while it was strongly increased in alkalotic brain tissue. The importance of these alterations in brain glucose metabolism for the homeostatic regulation of brain pH is discussed.

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Citations

Mar 20, 1992·Brain Research. Developmental Brain Research·L BômontA Nehlig
Dec 17, 1993·Brain Research. Developmental Brain Research·A Bilger, A Nehlig
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Jan 1, 1987·Annals of the New York Academy of Sciences·K L BeharR G Shulman

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