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  • Title: The metabolic zonation of glycogen synthesis in rat liver after fasting and refeeding.
    Author: Kudryavtseva MV, Sakuta GA, Stein GI, Kudryavtsev BN.
    Journal: Tissue Cell; 1992; 24(1):31-5. PubMed ID: 1561624.
    Abstract:
    The quantitative analysis of total glycogen and two fractions of the glycogen content was made by means of cytophotometry in hepatocytes with respect to the portal and central zones of the liver lobule after 48 hr starvation and 15, 30, 60, 120 min after refeeding using the Magiscan image analyzer. It was shown that glycogen content was minimal after 48 hr starvation, although a few cells of the central zone contained a noticeable glycogen quantity. Glycogen synthesis initiation was observed after 15 min refeeding. Glycogen synthesis has been characterized by an increasing glycogen content in the portal zone of the liver lobule compared to the pericentral zone, and this difference increased with time. The distinctive morphological changes were observed in the total glycogen content as well as fractions with different optical density in the process of glycogen synthesis after starvation of rats.
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