Gerontology 1978
Biochemical and behavioural effects of hypoxic hypoxia in rats: study of the protection afforded by ergot alkaloids.
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The conditioned avoidance response and the cerebral levels of dopamine and noradrenaline have been studied in control rats and in rats submitted to a hypobaric hypoxia. A protection against the effects of hypoxia was induced by both dihydroergocornine (20 microgram/kg) and dihydroergocryptine (100 microgram/kg), and the noradrenaline level did not decrease. This stabilization of cerebral noradrenaline level seems to be the main protection factor observed.