VOPROSY MEDITSINSKOI KHIMII (ISSN 0042-8809)

Changes in the glycogen content of the dog myocardium at various phases of the cardiac cycle with a normal coronary blood flow

   
Trubetskoĭ A.V., Lysenko L.T.
PubMed Id: 49125
Year: 1975  Volume: 21  Issue: 2  Pages: 158-161
Alterations in content of glycogen in myocardium of isolated heart of dog were studied at different phases of heart cycle by means of a special apparatus for myocardial biopsy and prompt freezing. Significant alterations in content of glycogen were observed during heart contraction. The maximal decrease (by 30.7%) in content of glycogen was found in preparations, obtained immediately after the R peak of electrocardiogramm. During the later steps of refractory period an increase in content of glycogen was observed and at the point, positioned 0.25 sec apart from the R peak, content of glycogen exceeded by 91.7% the initial level.
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Trubetskoĭ A.V., Lysenko L.T. (1975) Voprosy meditsinskoi khimii, 21(2), 158-161.
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