Metabolic effect of topical application of metrizamide to rat brain cortex

L Bech, N H Diemer, A Gjedde

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The x-ray contrast material metrizamide is structurally related to 2-deoxyglucose and inhibits brain glucose phosphorylation both in vitro and in vivo. in vivo. In vivo, however, the present autoradiographic study with labeled 2-deoxyglucose revealed a local increase of glucose metabolic rate in an area of direct metrizamide application to the cerebral cortex. The local increase was 137% above the metabolic rate calculated for the contralateral region. Regions outside the application site showed no difference between the glucose metabolic rates of the ipsi- and contralateral hemispheres. Evidence from the literature suggests that metrizamide may stimulate cortical activity by inhibiting acetylcholinesterase.

BogserieActa Neurologica Scandinavica
Udgave nummer4
Sider (fra-til)427-31
StatusUdgivet - okt. 1985
Udgivet eksterntJa


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