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The aim of the study is to evaluate the effect of pumpkin (Cucurbita pepo L.) and marigold extracts (Tagetes patula L.) on the hippocampal mitochondria functional activity within the conditions of experimental acute brain hypometabolism. Materials and methods. The work was performed on 50 male Wistar rats, which reproduced an acute brain hypometabolic state by administration of a 3M sodium azide solution in hippocampus (n = 40 and n = 10 – a group of sham-operated animals). The test extracts and the reference drug – EGb 761 – were prophylactically administered at the dose of 100 mg/kg per os for 10 days. 24 hours after the last administration, sodium azide was injected, the brain was taken, the hippocampus was isolated to obtain a supernatant and determine the parameters of mitochondrial respiration, the intensity of anaerobic processes, the concentration of the apoptosis-inducing factor, endonuclease G, and β-amyloid. Results. The carried out study established that the prophylactic administration of pumpkin and marigold extracts contributed to the restoration of a mitochondrial function and a decrease in the intensity of anaerobic processes. In the group of the rats treated with pumpkin and marigold extracts, an increase of ATP concentration in the hippocampal supernatant by 65.7% (p < 0.0002), respectively. The test-extracts had an equivalent therapeutic efficacy with the reference drug. Conclusion On the basis of the obtained data, it is possible to suggest the prospect of a further study of pumpkin and marigold extracts as the drugs of a targeted correction of cerebral hypometabolism.

farmaciâ i farmakologiâ

EFFECT OF PUMPKIN (CUCURBITA PEPO L.) AND MARIGOLD (TAGETES PATULA L.) EXTRACTS ON HIPPOCAMPAL MITOCHONDRIA FUNCTIONAL ACTIVITY WITHIN CONDITIONS OF EXPERIMENTAL ACUTE BRAIN HYPOMETABOLISM