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  • Title: Postnatal development of the energy supplying enzyme pattern in the rat brain.
    Author: Bass A, Jakoubek B, Teisinger J.
    Journal: Physiol Bohemoslov; 1983; 32(3):225-30. PubMed ID: 6412260.
    Abstract:
    The activity of seven enzymes connected with energy-supplying metabolism was followed from the second day of life till adulthood (87th day). The enzymes selected were: 1. Triosephosphate dehydrogenase (TPDH), 2. Lactate dehydrogenase (LDH), 3. Glycerol-3-phosphate: NAD dehydrogenase (GPDH), 4. Hexokinase (HK), 5. Malate: NAD dehydrogenase (MDH), 6. Citrate syntase (CS) and 7. 3-Hydroxyacyl Co A dehydrogenase. Although some variations occurred, the enzyme profiles were characteristic of those of the nervous tissue from the second day of life onwards until adulthood and displayed relatively high activities of HK, CS and MDH and low activities of TPDH, LDH, GPDH and HOADH. The activities of all enzymes studied here increased during postnatal development and some reached adult values on the 14th day, that of TPDH on the 27th day and HOADH on the 41st day of life. The activities of MDH and GPDH did not attain the adult values still on the 41st day of life. The anaerobic energy supply capacity seems to increase transiently on the 31st day of life, i.e. at a developmental stage where the resistance against hypoxia is known to increase transiently.
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