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  • Title: [Content of homocarnosine, gamma-amino butyric acid and histidine in brain tissue of different age normal rabbits and under hyperoxia].
    Author: Bondarenko TI, Makletsova MG.
    Journal: Ukr Biokhim Zh (1978); 1979; 51(2):135-8. PubMed ID: 452127.
    Abstract:
    The content of homocarnosine, gamma-amino butyric acid and histidine was studied in the brain of newborn, 1, 7, 14, 21 and 30-day rabbits in normalcy and under hyperoxia. For 30 days of the postnatal life the amount of peptide in the animal brain is 2.5, histidine 1.6, gamma-amino butyric acid--2.2 times as high. At the preconvulsive stage of oxygen poisoning the content of homocarnosine lowers sharply in the brain of rabbits of all age groups. The most considerable decrease is observed in the brain of 14, 21 and 30-day rabbits by 53, 60 and 85%, respectively. The content of gamma-amino butyric acid lowers only in the brain of 21 and 30-day animals by 39 and 47%, respectively; the content of histidine in these animals under hyperoxia, vice versa, increases by 10 and 25%.
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