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  • Title: Stimulation of mitochondrial functions by glucagon treatment, starvation and by treatment of isolated mitochondria with glycogen-bound enzymes.
    Author: Wojtczak AB, Davis-van Thienen WI.
    Journal: Int J Biochem; 1987; 19(5):479-82. PubMed ID: 3036619.
    Abstract:
    Liver mitochondria isolated from rats starved overnight, or fed rats injected with glucagon, exhibited a similar increase of the respiration rate with succinate (by 30-40%) and glutamate plus malate (by 20-30%), as compared to mitochondria from control fed animals. The content of mitochondrial adenine nucleotides was elevated by 30-45% by glucagon treatment or starvation. Mitochondrial respiration and citrulline synthesis were stimulated by 30-40% when mitochondria isolated from fed rats were briefly preincubated with the extract from liver glycogen granules, ATP and MgCl2. This effect was abolished by heating the extract at 100 degrees C.
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