PMID: 3768500Oct 1, 1986Paper

Lactate dehydrogenase isoenzyme spectrum in various areas of the reticular formation of the brain in rats: the effect of emotional stress

Biulleten' eksperimental'noĭ biologii i meditsiny
T M Ivanova, T I Belova

Abstract

The changes in lactate dehydrogenase (LDG) isoenzyme content in the various brain areas were studied in intact Wistar rats and upon immobilization stress. LDG fraction levels were compared to BP changes during immobilization. The proportion of "anaerobic" LDG fractions was higher and the proportion of "aerobic" fractions lower in the dorsal area of midbrain substantia reticularis than in medulla oblongata reticular formation. The changes in LDG fraction content related to BP alterations during immobilization were observed in dorsal and ventral areas of midbrain (but not medulla oblongata) substantia reticularis. The proportion of anaerobic LDG4 fraction in the dorsal area of midbrain substantia reticularis was higher in rats with hypertensive responses, than in hypotensive animals. The changes in LDG5 fraction content were opposite. In the ventral area of midbrain reticular formation BP reduction was accompanied by a significant rise in "anaerobic" and a decrease in "aerobic" LDG fraction levels. The data obtained indicate certain differences in the intensity of aerobic and anaerobic processes of carbohydrate degeneration in various areas of substantia reticularis in control rats, as well as the correlation of changes in energy...Continue Reading

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